/* ==========================================================================
   GEO智见Insight · 视觉样张共享骨架 (variants/sample.css)
   依赖 ../assets/css/brand.css 的 tokens / 组件。
   同一套内容骨架：Brand 顶栏 + Hero + 3 卡片 + CTA + 页脚。
   舞台固定 540×960 CSS px（导出 1080×1920 @2x）。
   主题：.theme-dark / .theme-gradient / .theme-techblue
   ========================================================================== */

/* ---------- 页面外壳（不进入导出） ---------- */
.variant-page {
  --chrome-line: rgba(255, 255, 255, 0.11);
  min-height: 100vh;
  background:
    radial-gradient(70% 45% at 78% 0%, #1b2038 0%, rgba(13, 15, 24, 0) 62%),
    #0d0f18;
  color: #e9ebf4;
}
.variant-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding: 16px clamp(16px, 4vw, 54px);
  border-bottom: 1px solid var(--chrome-line);
  background: rgba(13, 15, 24, 0.86);
  backdrop-filter: blur(14px);
}
.variant-nav .brand { font-size: 19px; }
.nav-links { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 15px;
  border-radius: var(--r-pill);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #c7ccdd;
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.035);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.nav-link:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }
.nav-link.is-active { background: #fff; color: #0b1020; border-color: #fff; }
.nav-link--muted { color: #99a2bf; }

.variant-main {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  gap: clamp(26px, 4vw, 58px);
  padding: clamp(26px, 4vw, 54px) clamp(14px, 4vw, 54px) 80px;
}
.stage-col { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.stage-col-head { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.stage-col-head h1 { font-size: 21px; letter-spacing: -0.01em; }
.stage-col-head p { font-size: 13px; color: #98a0bd; }
.stage-meta { display: flex; gap: 8px; flex-wrap: wrap; }
.stage-meta span {
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.08em;
  color: #9aa3c0; border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 5px 10px; border-radius: 8px;
}
.stage-holder {
  position: relative;
  width: 540px;
  height: 960px;
  box-shadow: 0 60px 140px -50px rgba(0, 0, 0, 0.9);
  outline: 1px solid rgba(255, 255, 255, 0.13);
}
.stage-holder > .stage {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: top left;
}

.variant-notes {
  width: min(400px, 100%);
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 42px;
}
.note-card {
  padding: 20px 22px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.note-card h2 {
  font-family: var(--font-display);
  font-size: 15.5px;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.note-card h2::before {
  content: "";
  width: 7px; height: 8px;
  clip-path: var(--hex);
  background: var(--grad-brand);
  flex: 0 0 auto;
}
.note-card p, .note-card li { font-size: 13.5px; line-height: 1.72; color: #b7bdd2; }
.note-card ul { display: grid; gap: 6px; }
.note-card li { padding-left: 16px; position: relative; }
.note-card li::before { content: ""; position: absolute; left: 2px; top: 10px; width: 5px; height: 5px; border-radius: 50%; background: #7b84a3; }
.note-card strong { color: #fff; font-weight: 700; }
.note-card .num { color: #fff; font-weight: 700; }
.note-card--warn { border-color: rgba(255, 176, 32, 0.35); background: rgba(255, 176, 32, 0.07); }
.note-card--warn h2::before { background: var(--amber); }

/* ==========================================================================
   舞台基础
   ========================================================================== */
.stage {
  position: relative;
  width: 540px;
  height: 960px;
  overflow: hidden;
  font-family: var(--font-sans);
  color: var(--s-fg);
  background: var(--s-bg);
  isolation: isolate;
}
.stage * { box-sizing: border-box; }
.stage-bg { position: absolute; inset: -2px; z-index: 0; overflow: hidden; }
.s-grid { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.s-haze { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.stage-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 26px 30px 20px;
}
.stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 6;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* 装饰：光斑 / 圆环 */
.s-orb { position: absolute; border-radius: 50%; pointer-events: none; filter: blur(100px); display: block; }
.s-orb--1 { width: 360px; height: 360px; top: -140px; right: -130px; }
.s-orb--2 { width: 300px; height: 300px; left: -160px; bottom: 150px; }
.s-orb--3 { width: 220px; height: 220px; right: -90px; top: 430px; }
.s-ring { position: absolute; border-radius: 50%; pointer-events: none; }
.s-ring--1 { width: 230px; height: 230px; top: 96px; right: -86px; border: 1.5px solid rgba(255, 255, 255, 0.14); }

/* ---------- 内容：Brand 顶栏 ---------- */
.s-top {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex: 0 0 auto;
}
.s-top .brand { font-size: 18px; color: var(--s-brand); }
.s-top .brand .brand-mark { box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.14); }
.s-top .brand .bw-en { opacity: 0.78; }
.s-tag {
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: var(--r-pill);
  color: var(--s-tag-fg);
  border: 1px solid var(--s-tag-line);
  background: var(--s-tag-bg);
  white-space: nowrap;
}

/* ---------- Hero ---------- */
.s-hero { position: relative; z-index: 3; margin-top: 30px; }
.s-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--s-eyebrow);
  margin: 0;
}
.s-eyebrow::before {
  content: "";
  width: 20px; height: 2px;
  background: currentColor;
  opacity: 0.85;
}
.s-title {
  margin: 15px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 56px;
  line-height: 1.05;
  letter-spacing: -0.038em;
  color: var(--s-fg);
  text-shadow: var(--s-title-shadow);
  text-wrap: balance;
}
.s-title .s-line { display: block; }
.s-title .s-en { font-family: "Archivo Black", var(--font-display); letter-spacing: 0.005em; }
.s-title .s-eq { color: var(--s-fg-soft); padding: 0 2px; }
.s-title .s-accent { color: var(--s-accent); }
.s-lead {
  margin: 16px 0 0;
  max-width: 442px;
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--s-fg-body);
  text-shadow: var(--s-lead-shadow);
}
.s-lead strong { color: inherit; font-weight: 700; }

/* ---------- 数据条 ---------- */
.s-stats {
  position: relative;
  z-index: 3;
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 15px 4px;
  border-radius: 18px;
  background: var(--s-stats-bg);
  border: var(--s-stats-border);
  box-shadow: var(--s-stats-shadow);
  backdrop-filter: var(--s-backdrop);
  -webkit-backdrop-filter: var(--s-backdrop);
}
.s-stat { position: relative; display: flex; flex-direction: column; align-items: center; gap: 3px; text-align: center; }
.s-stat + .s-stat::before {
  content: "";
  position: absolute;
  left: 0; top: 5px; bottom: 5px;
  width: 1px;
  background: var(--s-stat-line);
}
.s-stat-num {
  font-family: "Space Grotesk", var(--font-sans);
  font-size: 27px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--s-stat-num);
  font-variant-numeric: tabular-nums;
}
.s-stat-label { font-size: 10.5px; font-weight: 700; letter-spacing: 0.08em; color: var(--s-stat-label); }

/* ---------- 三张卡片 ---------- */
.s-cards {
  position: relative;
  z-index: 3;
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.s-card {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 15px;
  align-items: start;
  padding: 19px 18px;
  border-radius: 20px;
  background: var(--s-card-bg);
  border: var(--s-card-border);
  box-shadow: var(--s-card-shadow);
  backdrop-filter: var(--s-card-backdrop);
  -webkit-backdrop-filter: var(--s-card-backdrop);
  color: var(--s-card-fg);
}
.s-card-num {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  font-family: "Space Grotesk", var(--font-sans);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0;
  color: var(--s-num-fg);
  background: var(--s-num-bg);
  box-shadow: var(--s-num-shadow);
}
.s-card-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 1px;
}
.s-card-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: -0.012em;
  color: var(--s-card-title);
}
.s-card-label {
  font-family: var(--font-sans);
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--s-card-label);
  border: 1px solid var(--s-card-label-line);
  border-radius: 6px;
  padding: 3px 6px;
  flex: 0 0 auto;
}
.s-card-desc {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--s-card-body);
}

/* ---------- CTA ---------- */
.s-cta {
  position: relative;
  z-index: 3;
  margin-top: auto;
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.s-btn {
  width: 100%;
  max-width: 430px;
  padding: 16px 26px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--s-btn-fg);
  background: var(--s-btn-bg);
  border: var(--s-btn-border);
  border-radius: var(--r-pill);
  box-shadow: var(--s-btn-shadow);
  text-shadow: var(--s-btn-text-shadow);
}
.s-btn .arrow { font-family: var(--font-sans); transition: transform 0.25s ease; }
.s-btn:hover .arrow { transform: translateX(4px); }
.s-note { font-size: 11.5px; font-weight: 700; letter-spacing: 0.05em; color: var(--s-note); }

/* ---------- 页脚 ---------- */
.s-foot {
  position: relative;
  z-index: 3;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--s-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.s-foot .brand-watermark { opacity: 1; color: var(--s-foot); font-size: 12px; gap: 8px; }
.s-foot .brand-watermark em { opacity: 1; font-weight: 600; }
.s-foot .brand-watermark .wm-mark { width: 14px; height: 16px; }
.s-foot .s-foot-note { font-size: 9.5px; font-weight: 800; letter-spacing: 0.18em; text-transform: uppercase; color: var(--s-foot-note); }

/* ==========================================================================
   主题 A · DARK（深色对比度修复版）
   修复点：标题文字投影、灰字调亮、光晕减弱至 ≤0.5、正文列加暗色遮罩
   ========================================================================== */
.theme-dark {
  --s-bg: #0b1020;
  --s-fg: #ffffff;
  --s-fg-soft: #e7eaf7;
  --s-fg-body: #d9deee;     /* 正文 · ≥7:1 on ink-900 */
  --s-fg-muted: #b9c1da;    /* 次要文字 · ≈8:1 on ink-900 */
  --s-accent: #5cf2c0;
  --s-eyebrow: #b9c1da;
  --s-brand: #ffffff;
  --s-line: rgba(255, 255, 255, 0.16);
  --s-tag-fg: #d9deee;
  --s-tag-line: rgba(255, 255, 255, 0.2);
  --s-tag-bg: rgba(255, 255, 255, 0.06);
  --s-title-shadow: var(--text-shadow-dark);
  --s-lead-shadow: 0 1px 0 rgba(0, 0, 0, 0.4), 0 10px 26px rgba(0, 0, 0, 0.55);
  --s-stats-bg: linear-gradient(150deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  --s-stats-border: 1px solid rgba(255, 255, 255, 0.16);
  --s-stats-shadow: 0 18px 40px -26px rgba(0, 0, 0, 0.9);
  --s-backdrop: blur(10px);
  --s-stat-num: #ffffff;
  --s-stat-label: #b9c1da;
  --s-stat-line: rgba(255, 255, 255, 0.16);
  --s-card-bg: linear-gradient(152deg, rgba(255, 255, 255, 0.115), rgba(255, 255, 255, 0.048));
  --s-card-border: 1px solid rgba(255, 255, 255, 0.17);
  --s-card-shadow: 0 18px 42px -24px rgba(0, 0, 0, 0.85);
  --s-card-backdrop: blur(10px);
  --s-card-fg: #ffffff;
  --s-card-title: #ffffff;
  --s-card-body: #d9deee;
  --s-card-label: #b9c1da;
  --s-card-label-line: rgba(255, 255, 255, 0.2);
  --s-num-bg: linear-gradient(140deg, #4c37e0 0%, #c01e77 58%, #e11d67 100%);
  --s-num-fg: #ffffff;
  --s-num-shadow: 0 10px 22px -10px rgba(255, 61, 127, 0.55);
  --s-btn-bg: linear-gradient(120deg, #6d2fd8 0%, #b81a63 52%, #b5381c 100%);
  --s-btn-fg: #ffffff;
  --s-btn-border: 1px solid rgba(255, 255, 255, 0.16);
  --s-btn-shadow: 0 16px 40px -14px rgba(255, 61, 127, 0.6);
  --s-btn-text-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
  --s-note: #b9c1da;
  --s-foot: #b9c1da;
  --s-foot-note: #b9c1da;
  background: #0b1020;
}
.theme-dark .stage-bg {
  background:
    radial-gradient(95% 72% at 86% -6%, rgba(108, 92, 255, 0.34) 0%, rgba(11, 16, 32, 0) 58%),
    radial-gradient(78% 58% at 0% 82%, rgba(255, 61, 127, 0.18) 0%, rgba(6, 9, 18, 0) 64%),
    linear-gradient(168deg, #0b1020 0%, #0c1126 48%, #150e21 100%);
}
.theme-dark .s-orb--1 { background: radial-gradient(circle, rgba(108, 92, 255, 0.85), rgba(108, 92, 255, 0) 66%); opacity: 0.3; }
.theme-dark .s-orb--2 { background: radial-gradient(circle, rgba(255, 61, 127, 0.8), rgba(255, 61, 127, 0) 66%); opacity: 0.22; }
.theme-dark .s-orb--3 { background: radial-gradient(circle, rgba(92, 242, 192, 0.65), rgba(92, 242, 192, 0) 66%); opacity: 0.16; filter: blur(110px); }
.theme-dark .s-grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: 0.5;
}
.theme-dark .s-haze {
  background: linear-gradient(180deg, rgba(6, 9, 18, 0.74) 0%, rgba(6, 9, 18, 0.4) 52%, rgba(6, 9, 18, 0) 100%);
  height: 480px;
}
.theme-dark .s-ring--1 { border-color: rgba(255, 255, 255, 0.1); }

/* ==========================================================================
   主题 B · GRADIENT（全彩渐变版）
   蓝紫粉渐变底 + 白色玻璃卡片 + 深色文字；明亮外放，适合社交传播
   ========================================================================== */
.theme-gradient {
  --s-bg: #6c5cff;
  --s-fg: #15162b;
  --s-fg-soft: #2b2f4d;
  --s-fg-body: #1c1e33;
  --s-fg-muted: #3a3f5c;
  --s-accent: #4c37e0;
  --s-eyebrow: #3f3470;
  --s-brand: #14152b;
  --s-line: rgba(23, 26, 38, 0.16);
  --s-tag-fg: #2b2f4d;
  --s-tag-line: rgba(255, 255, 255, 0.9);
  --s-tag-bg: rgba(255, 255, 255, 0.72);
  --s-title-shadow: 0 1px 0 rgba(255, 255, 255, 0.35);
  --s-lead-shadow: none;
  --s-stats-bg: linear-gradient(150deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
  --s-stats-border: 1px solid rgba(255, 255, 255, 0.92);
  --s-stats-shadow: 0 20px 44px -24px rgba(38, 14, 80, 0.5);
  --s-backdrop: blur(16px) saturate(1.2);
  --s-stat-num: #4c37e0;
  --s-stat-label: #3a3f5c;
  --s-stat-line: rgba(23, 26, 38, 0.16);
  --s-card-bg: linear-gradient(155deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.74));
  --s-card-border: 1px solid rgba(255, 255, 255, 0.92);
  --s-card-shadow: 0 22px 48px -22px rgba(38, 14, 80, 0.5), 0 2px 8px rgba(38, 14, 80, 0.1);
  --s-card-backdrop: blur(18px) saturate(1.18);
  --s-card-fg: #15162b;
  --s-card-title: #14152b;
  --s-card-body: #3a3f5c;
  --s-card-label: #4a3bb0;
  --s-card-label-line: rgba(76, 55, 224, 0.3);
  --s-num-bg: linear-gradient(140deg, #4c37e0 0%, #c01e77 58%, #e11d67 100%);
  --s-num-fg: #ffffff;
  --s-num-shadow: 0 10px 22px -10px rgba(120, 34, 190, 0.55);
  --s-btn-bg: #171a26;
  --s-btn-fg: #ffffff;
  --s-btn-border: 1px solid rgba(255, 255, 255, 0.16);
  --s-btn-shadow: 0 18px 42px -16px rgba(30, 12, 70, 0.65);
  --s-btn-text-shadow: none;
  --s-note: #22243c;
  --s-foot: #22243c;
  --s-foot-note: #2b2f4d;
  background: #6c5cff;
}
.theme-gradient .stage-bg {
  background:
    radial-gradient(55% 34% at 92% 2%, rgba(255, 226, 246, 0.42) 0%, rgba(255, 255, 255, 0) 68%),
    linear-gradient(158deg, #3d7bff 0%, #6c5cff 30%, #a94dff 57%, #ff4f9a 83%, #ff83bd 100%);
}
.theme-gradient .s-orb--1 { background: radial-gradient(circle, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0) 66%); opacity: 0.24; filter: blur(90px); }
.theme-gradient .s-orb--2 { background: radial-gradient(circle, rgba(190, 120, 255, 0.85), rgba(190, 120, 255, 0) 66%); opacity: 0.3; }
.theme-gradient .s-orb--3 { background: radial-gradient(circle, rgba(108, 92, 255, 0.7), rgba(108, 92, 255, 0) 66%); opacity: 0.26; }
.theme-gradient .s-grid {
  background-image:
    linear-gradient(rgba(23, 26, 38, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 26, 38, 0.06) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: 0.6;
}
.theme-gradient .s-haze {
  background:
    radial-gradient(90% 50% at 20% 7%, rgba(255, 255, 255, 0.66) 0%, rgba(255, 255, 255, 0.42) 48%, rgba(255, 255, 255, 0) 82%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.32) 0%, rgba(255, 255, 255, 0) 40%);
}
.theme-gradient .s-ring--1 { border-color: rgba(255, 255, 255, 0.42); }
.theme-gradient .s-note {
  color: #17182c;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.96);
  border-radius: var(--r-pill);
  padding: 4px 14px;
  box-shadow: 0 10px 24px -14px rgba(40, 12, 60, 0.45);
}
.theme-gradient .s-stats { padding: 13px 4px; }
.theme-gradient .s-cards { gap: 13px; }
/* 顶栏在渐变上使用白色玻璃胶囊，保证品牌字深色可读 */
.theme-gradient .s-top .brand {
  color: #14152b;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.76));
  border: 1px solid rgba(255, 255, 255, 0.95);
  padding: 5px 13px 5px 8px;
  border-radius: var(--r-pill);
  box-shadow: 0 14px 30px -18px rgba(40, 20, 90, 0.55);
}
.theme-gradient .s-hero { margin-top: 26px; }
.theme-gradient .s-title { letter-spacing: -0.042em; }
.theme-gradient .s-title .s-accent {
  color: #15162b;
  padding-bottom: 0.06em;
  background-image: linear-gradient(100deg, #ff3d7f 0%, #ff7a3d 100%);
  background-repeat: no-repeat;
  background-size: 100% 0.12em;
  background-position: 0 100%;
}

/* ==========================================================================
   主题 C · TECHBLUE（科技蓝纯色版）
   纯蓝底 + 白字 + 白玻璃卡；专业可信 B2B
   ========================================================================== */
.theme-techblue {
  --s-bg: #103a9e;
  --s-fg: #ffffff;
  --s-fg-soft: #eaf1ff;
  --s-fg-body: #dce7ff;
  --s-fg-muted: #bed0f2;
  --s-accent: #8fd3ff;
  --s-eyebrow: #a9c8ff;
  --s-brand: #ffffff;
  --s-line: rgba(255, 255, 255, 0.2);
  --s-tag-fg: #eaf1ff;
  --s-tag-line: rgba(255, 255, 255, 0.3);
  --s-tag-bg: rgba(255, 255, 255, 0.1);
  --s-title-shadow: 0 2px 0 rgba(4, 14, 44, 0.32), 0 16px 34px rgba(4, 14, 44, 0.42);
  --s-lead-shadow: 0 1px 0 rgba(4, 14, 44, 0.28), 0 8px 20px rgba(4, 14, 44, 0.32);
  --s-stats-bg: linear-gradient(150deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.88));
  --s-stats-border: 1px solid rgba(255, 255, 255, 0.98);
  --s-stats-shadow: 0 20px 42px -22px rgba(3, 12, 44, 0.65);
  --s-backdrop: blur(12px);
  --s-stat-num: #0b5cff;
  --s-stat-label: #33406b;
  --s-stat-line: rgba(23, 26, 38, 0.14);
  --s-card-bg: linear-gradient(155deg, rgba(255, 255, 255, 0.97), rgba(255, 255, 255, 0.87));
  --s-card-border: 1px solid rgba(255, 255, 255, 0.98);
  --s-card-shadow: 0 22px 44px -22px rgba(3, 12, 44, 0.6), 0 2px 8px rgba(3, 12, 44, 0.14);
  --s-card-backdrop: blur(16px);
  --s-card-fg: #101a3d;
  --s-card-title: #101a3d;
  --s-card-body: #39425f;
  --s-card-label: #0b4bc4;
  --s-card-label-line: rgba(11, 92, 255, 0.28);
  --s-num-bg: linear-gradient(140deg, #0a3fb8 0%, #0b5cff 100%);
  --s-num-fg: #ffffff;
  --s-num-shadow: 0 10px 22px -10px rgba(11, 92, 255, 0.7);
  --s-btn-bg: #ffffff;
  --s-btn-fg: #0b3fb8;
  --s-btn-border: 1px solid #ffffff;
  --s-btn-shadow: 0 18px 44px -14px rgba(120, 180, 255, 0.75);
  --s-btn-text-shadow: none;
  --s-note: #cfe0ff;
  --s-foot: #cfe0ff;
  --s-foot-note: #a9c8ff;
  background: #103a9e;
}
.theme-techblue .stage-bg {
  background:
    radial-gradient(92% 64% at 82% -6%, rgba(88, 150, 255, 0.42) 0%, rgba(16, 58, 158, 0) 60%),
    radial-gradient(72% 56% at 2% 90%, rgba(5, 18, 60, 0.5) 0%, rgba(16, 58, 158, 0) 68%),
    linear-gradient(180deg, #1240a6 0%, #103a9e 52%, #0d318c 100%);
}
.theme-techblue .s-orb--1 { background: radial-gradient(circle, rgba(120, 190, 255, 0.9), rgba(120, 190, 255, 0) 66%); opacity: 0.28; }
.theme-techblue .s-orb--2 { background: radial-gradient(circle, rgba(20, 70, 200, 0.9), rgba(20, 70, 200, 0) 66%); opacity: 0.35; }
.theme-techblue .s-orb--3 { background: radial-gradient(circle, rgba(46, 107, 255, 0.85), rgba(46, 107, 255, 0) 66%); opacity: 0.32; }
.theme-techblue .s-grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: 0.7;
}
.theme-techblue .s-haze {
  background: linear-gradient(180deg, rgba(4, 14, 44, 0.3) 0%, rgba(4, 14, 44, 0.06) 48%, rgba(4, 14, 44, 0) 100%);
  height: 460px;
}
.theme-techblue .s-ring--1 { border-color: rgba(220, 235, 255, 0.26); }
.theme-techblue .s-title .s-accent { text-shadow: 0 2px 18px rgba(143, 211, 255, 0.45); }

/* ---------- 响应式舞台缩放由 sample-fit.js 完成 ---------- */
@media (max-width: 1180px) {
  .variant-notes { width: min(540px, 100%); padding-top: 0; }
}

/* ---------- 导出模式：取消吸顶导航，舞台固定到 (0,0) 保证 @2x 截图尺寸精确 ---------- */
html.export-mode .variant-page { background: #000; }
html.export-mode .variant-nav,
html.export-mode .stage-col-head,
html.export-mode .variant-notes { display: none !important; }
html.export-mode .variant-main { display: block; padding: 0; }
html.export-mode .stage-col { display: block; }
html.export-mode .stage-holder {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 540px !important;
  height: 960px !important;
  box-shadow: none !important;
  outline: none !important;
}
html.export-mode .stage-holder > .stage { transform: none !important; }