/* ============================================================
   MindForge — 记忆宫殿 · 深色沉浸
   assets/style.css
   纯静态 / 零构建 / 无第三方 CSS 依赖
   ------------------------------------------------------------
   目录
   01 设计令牌 Design Tokens
   02 基础重置与排版
   03 通用布局与组件原语
   04 导航
   05 Hero（记忆粒子网络）
   06 30 秒上手
   07 六路混合检索
   08 召回评分公式
   09 四层记忆架构
   10 核心能力网格
   11 系统架构
   12 安全与隐私
   13 生态集成
   14 定性能力对比
   15 更新日志
   16 CTA
   17 页脚
   18 Demo 页（视觉换新装，逻辑保留）
   19 响应式
   20 动效降级 prefers-reduced-motion
   ============================================================ */

/* ============================ 01 设计令牌 ============================ */
:root {
  /* —— 底色：深空近黑，带冷蓝纵深，刻意不用纯黑 —— */
  --void:        #05070d;
  --deep:        #080b13;
  --panel:       #0b101b;
  --panel-2:     #0f1626;
  --panel-3:     #131c2e;

  /* —— 描边与玻璃 —— */
  --line:        rgba(148, 163, 184, 0.13);
  --line-2:      rgba(148, 163, 184, 0.22);
  --glass:       rgba(255, 255, 255, 0.028);
  --glass-2:     rgba(255, 255, 255, 0.045);

  /* —— 文字 —— */
  --txt:         #e8eefb;
  --txt-2:       #a7b4cd;
  --txt-3:       #828ea6;
  --txt-4:       #5f6c88;

  /* —— 主色：青 → 靛 → 紫（克制使用） —— */
  --cy:          #22d3ee;
  --in:          #818cf8;
  --vi:          #a855f7;
  --cy-dim:      rgba(34, 211, 238, 0.12);
  --in-dim:      rgba(129, 140, 248, 0.12);
  --vi-dim:      rgba(168, 85, 247, 0.12);
  --grad:        linear-gradient(100deg, #22d3ee 0%, #818cf8 52%, #a855f7 100%);
  --grad-soft:   linear-gradient(100deg, rgba(34,211,238,.16), rgba(129,140,248,.16) 52%, rgba(168,85,247,.16));

  /* —— 语义色 —— */
  --ok:          #34d399;
  --warn:        #fbbf24;
  --risk:        #f87171;
  --ok-dim:      rgba(52, 211, 153, 0.13);

  /* —— 圆角 —— */
  --r-xs: 8px;
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 30px;
  --r-pill: 999px;

  /* —— 间距节奏 —— */
  --gap:    24px;
  --gap-lg: 32px;
  --pad-sec: clamp(76px, 9.5vw, 140px);
  --maxw:   1200px;
  --maxw-narrow: 880px;

  /* —— 动效 —— */
  --ease: cubic-bezier(0.22, 0.68, 0.24, 1);
  --dur: 0.62s;

  /* —— 字体 —— */
  --f-display: 'Sora', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  --f-body:    'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  --f-mono:    'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;

  /* —— 阴影 —— */
  --sh-card: 0 1px 0 rgba(255,255,255,.035) inset, 0 18px 50px -30px rgba(0,0,0,.9);
  --sh-lift: 0 1px 0 rgba(255,255,255,.06) inset, 0 30px 70px -34px rgba(0,0,0,.95);
}

/* ============================ 02 基础重置与排版 ============================ */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--void);
  color: var(--txt);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.68;
  font-weight: 400;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* 全站底纹：细网格 + 径向光晕 + 噪点，营造「记忆宫殿」的空间感 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(148,163,184,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148,163,184,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 78%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.028;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}

img, svg { display: block; max-width: 100%; }

h1, h2, h3, h4, h5 {
  font-family: var(--f-display);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--txt);
}

p { margin: 0; }

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.22s var(--ease);
}

ul, ol { margin: 0; padding: 0; }

code, pre, kbd { font-family: var(--f-mono); }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--cy);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: rgba(129, 140, 248, 0.32); color: #fff; }

/* 滚动条 */
* { scrollbar-width: thin; scrollbar-color: rgba(148,163,184,.28) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.22);
  border-radius: 99px;
  border: 3px solid var(--void);
}
*::-webkit-scrollbar-thumb:hover { background: rgba(148, 163, 184, 0.4); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  z-index: 999;
  padding: 10px 18px;
  background: var(--panel-2);
  border: 1px solid var(--line-2);
  border-radius: var(--r-xs);
  font-size: 14px;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 16px; }

/* 图标 sprite 容器 */
.sprite-host { position: absolute; width: 0; height: 0; overflow: hidden; }

.icon {
  width: 22px;
  height: 22px;
  flex: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}
.icon-sm { width: 16px; height: 16px; }
.icon-md { width: 20px; height: 20px; }
.icon-lg { width: 28px; height: 28px; }
.icon-fill { fill: currentColor; stroke: none; }

/* ============================ 03 通用布局与组件原语 ============================ */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
  position: relative;
  z-index: 1;
}
.section {
  position: relative;
  z-index: 1;
  padding: var(--pad-sec) 0;
}
.section-alt { background: linear-gradient(180deg, transparent, rgba(129,140,248,.028) 40%, transparent); }

/* 区块之间的细分隔线，制造节奏 */
.section + .section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(100%, 1200px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-2) 22%, var(--line-2) 78%, transparent);
}

.section-head {
  max-width: 760px;
  margin: 0 auto clamp(44px, 5.5vw, 72px);
  text-align: center;
}
.section-head h2 {
  font-size: clamp(1.85rem, 3.6vw, 2.9rem);
  margin-bottom: 16px;
}
.section-head p {
  color: var(--txt-2);
  font-size: clamp(0.95rem, 1.15vw, 1.06rem);
  line-height: 1.78;
}

/* 眉标 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 10px;
  margin-bottom: 22px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: var(--glass);
  font-family: var(--f-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--txt-2);
}
.tag .tag-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cy);
  box-shadow: 0 0 10px var(--cy);
}

.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* 正文内的轻度强调 */
.hl { color: var(--txt); font-weight: 500; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 22px;
  border-radius: var(--r-pill);
  font-family: var(--f-body);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease),
              background-color 0.22s var(--ease), border-color 0.22s var(--ease), color 0.22s var(--ease);
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  color: #04070e;
  background: var(--grad);
  box-shadow: 0 10px 30px -12px rgba(129, 140, 248, 0.75);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -12px rgba(129, 140, 248, 0.9);
}

.btn-secondary {
  color: var(--txt);
  background: var(--glass);
  border: 1px solid var(--line-2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  border-color: rgba(34, 211, 238, 0.42);
  background: var(--cy-dim);
  color: #fff;
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--txt-2);
  border: 1px solid transparent;
  padding: 10px 16px;
}
.btn-ghost:hover { color: var(--txt); border-color: var(--line-2); background: var(--glass); }

/* 标签芯片 */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.02);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--txt-3);
  white-space: nowrap;
}
.chip-cy { color: var(--cy);  border-color: rgba(34, 211, 238, 0.24);  background: var(--cy-dim); }
.chip-in { color: var(--in);  border-color: rgba(129, 140, 248, 0.26); background: var(--in-dim); }
.chip-vi { color: var(--vi);  border-color: rgba(168, 85, 247, 0.26);  background: var(--vi-dim); }
.chip-ok { color: var(--ok);  border-color: rgba(52, 211, 153, 0.26);  background: var(--ok-dim); }

/* 代码块 */
.code {
  position: relative;
  background: linear-gradient(180deg, #080c15, #060911);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}
.code-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.016);
}
.code-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.code-dot.r { background: #f87171; }
.code-dot.y { background: #fbbf24; }
.code-dot.g { background: #34d399; }
.code-name {
  margin-left: 6px;
  font-family: var(--f-mono);
  font-size: 11.5px;
  color: var(--txt-4);
  letter-spacing: 0.02em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.code-body {
  margin: 0;
  padding: 18px 20px;
  overflow-x: auto;
  font-size: 13.4px;
  line-height: 1.86;
  color: #cfd8ea;
  tab-size: 4;
}
.code-body code { white-space: pre; }

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
  background: var(--glass);
  color: var(--txt-3);
  font-size: 11.5px;
  font-weight: 500;
  transition: all 0.2s var(--ease);
}
.copy-btn:hover { color: var(--cy); border-color: rgba(34, 211, 238, 0.4); background: var(--cy-dim); }
.copy-btn.is-done { color: var(--ok); border-color: rgba(52, 211, 153, 0.4); background: var(--ok-dim); }
.copy-label { white-space: nowrap; }

/* 手写语法高亮 token */
.tk-kw   { color: #c4a2ff; }
.tk-fn   { color: #67e8f9; }
.tk-str  { color: #a5e8a0; }
.tk-cm   { color: #5a6880; font-style: italic; }
.tk-num  { color: #ffc98a; }
.tk-op   { color: #93a3bd; }
.tk-var  { color: #e8eefb; }
.tk-arg  { color: #ffd9a0; }
.tk-prompt { color: var(--ok); }

/* 滚动揭示 */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ============================ 04 导航 ============================ */
.nav-sentinel { position: absolute; top: 0; left: 0; width: 1px; height: 1px; }

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(6, 9, 16, 0.72);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom-color: var(--line);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
  height: 72px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand { display: inline-flex; align-items: center; gap: 11px; flex: none; }
.brand-logo {
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: linear-gradient(150deg, rgba(34,211,238,.14), rgba(168,85,247,.14));
  border: 1px solid var(--line-2);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.brand:hover .brand-logo {
  transform: rotate(-8deg);
  box-shadow: 0 0 26px -6px rgba(34, 211, 238, 0.6);
}
.brand-logo svg { width: 24px; height: 24px; }
.brand-name {
  font-family: var(--f-display);
  font-size: 17.5px;
  font-weight: 700;
  letter-spacing: -0.015em;
}
.brand-ver {
  padding: 2px 7px;
  border-radius: 6px;
  border: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: 10.5px;
  color: var(--txt-3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin-left: 14px;
}
.nav-links a {
  display: block;
  padding: 8px 13px;
  border-radius: var(--r-xs);
  font-size: 14px;
  font-weight: 500;
  color: var(--txt-2);
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.nav-links a:hover { color: var(--txt); background: var(--glass); }
.nav-links a.is-active { color: var(--txt); }
.nav-links a.is-active::after {
  content: "";
  display: block;
  width: 16px; height: 2px;
  margin: 4px auto -2px;
  border-radius: 2px;
  background: var(--grad);
}

.nav-cta { display: flex; align-items: center; gap: 10px; margin-left: auto; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--glass);
  color: var(--txt-2);
}
.nav-toggle:hover { color: var(--txt); border-color: var(--line-2); }
.nav-toggle .i-close { display: none; }
.nav-toggle[aria-expanded="true"] .i-menu { display: none; }
.nav-toggle[aria-expanded="true"] .i-close { display: block; }

.nav-drawer {
  position: fixed;
  top: 72px; left: 0; right: 0;
  z-index: 99;
  padding: 10px clamp(20px, 4vw, 40px) 22px;
  background: rgba(6, 9, 16, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.26s var(--ease), transform 0.26s var(--ease), visibility 0.26s;
}
.nav-drawer.is-open { opacity: 1; transform: none; visibility: visible; }
.nav-drawer ul { list-style: none; display: grid; gap: 2px; }
.nav-drawer a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 12px;
  border-radius: var(--r-sm);
  font-size: 15.5px;
  font-weight: 500;
  color: var(--txt-2);
}
.nav-drawer a:hover, .nav-drawer a:focus-visible { color: var(--txt); background: var(--glass); }
.nav-drawer .drawer-cta { display: grid; gap: 10px; margin-top: 16px; }
.nav-drawer .drawer-cta .btn { width: 100%; }

/* ============================ 05 Hero ============================ */
.hero {
  position: relative;
  min-height: min(100svh, 940px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 148px clamp(20px, 4vw, 40px) 96px;
  text-align: center;
  overflow: hidden;
}
#memory-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}
/* 柔光晕 + 底部渐隐，避免与下一区块硬切 */
.hero-aura {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(52% 42% at 50% 26%, rgba(34, 211, 238, 0.10), transparent 62%),
    radial-gradient(46% 40% at 74% 62%, rgba(168, 85, 247, 0.10), transparent 66%),
    radial-gradient(38% 34% at 22% 58%, rgba(129, 140, 248, 0.09), transparent 66%);
}
.hero-fade {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 220px;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, var(--void) 82%);
}
.hero-inner { position: relative; z-index: 2; max-width: 940px; }
/* 文字焦点区柔光暗角：在粒子网络之上叠加一层中心暗化，保证 Hero 文案在任何粒子密度下都清晰可读 */
.hero-inner::before {
  content: "";
  position: absolute;
  inset: -16% -18%;
  z-index: -1;
  background: radial-gradient(ellipse 60% 56% at 50% 46%, rgba(5, 7, 13, 0.78), rgba(5, 7, 13, 0.42) 46%, transparent 72%);
  filter: blur(8px);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px 7px 12px;
  margin-bottom: 30px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: rgba(11, 16, 27, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 13px;
  color: var(--txt-2);
}
.hero-badge .pulse {
  position: relative;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cy);
  flex: none;
}
.hero-badge .pulse::after {
  content: "";
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1px solid var(--cy);
  opacity: 0.6;
  animation: ping 2.4s var(--ease) infinite;
}
@keyframes ping {
  0%   { transform: scale(0.6); opacity: 0.7; }
  70%  { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}
.hero-badge b { color: var(--txt); font-weight: 600; font-family: var(--f-mono); font-size: 12.5px; }

.hero-title {
  font-size: clamp(2.5rem, 6.4vw, 4.9rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin-bottom: 26px;
}
.hero-title .line-2 { display: block; }

.hero-sub {
  max-width: 700px;
  margin: 0 auto;
  color: var(--txt-2);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.8;
}
.hero-sub .sep {
  display: inline-block;
  width: 4px; height: 4px;
  margin: 0 12px 4px;
  border-radius: 50%;
  background: var(--txt-4);
}
.hero-sub .hl { color: var(--txt); font-weight: 500; }

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 40px;
}
.hero-cta .btn { padding: 14px 28px; font-size: 15px; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: clamp(14px, 3vw, 40px);
  margin-top: clamp(48px, 6vw, 78px);
  padding: 22px clamp(18px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(8, 11, 19, 0.5);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.stat { min-width: 92px; }
.stat-num {
  font-family: var(--f-display);
  font-size: clamp(1.5rem, 2.6vw, 2.05rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-lbl {
  margin-top: 4px;
  font-size: 12px;
  color: var(--txt-3);
  letter-spacing: 0.04em;
}
.stat-sep { width: 1px; background: var(--line); align-self: stretch; }

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%);
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--txt-4);
}
.scroll-cue .rail {
  width: 22px; height: 36px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  display: grid;
  justify-items: center;
  padding-top: 7px;
}
.scroll-cue .rail i {
  width: 3px; height: 7px;
  border-radius: 2px;
  background: var(--cy);
  animation: rail 1.9s var(--ease) infinite;
}
@keyframes rail {
  0%   { transform: translateY(0); opacity: 0; }
  30%  { opacity: 1; }
  100% { transform: translateY(13px); opacity: 0; }
}

/* ============================ 06 30 秒上手 ============================ */
.qs-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(22px, 3vw, 34px);
  align-items: start;
}
.qs-steps { display: grid; gap: 14px; margin-bottom: 22px; }
.qs-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--glass);
}
.qs-step .n {
  width: 26px; height: 26px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 8px;
  border: 1px solid var(--line-2);
  background: var(--grad-soft);
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--cy);
}
.qs-step .t { font-size: 14px; color: var(--txt-2); line-height: 1.62; }
.qs-step .t b { color: var(--txt); font-weight: 600; }

.qs-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px dashed var(--line-2);
  border-radius: var(--r-md);
  font-size: 13px;
  color: var(--txt-3);
  line-height: 1.7;
}
.qs-note .icon { color: var(--cy); margin-top: 2px; }

.term { border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--line); background: linear-gradient(180deg, #080c15, #060911); }
.term-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.016);
}
.term-body {
  margin: 0;
  padding: 18px 20px;
  font-family: var(--f-mono);
  font-size: 13px;
  line-height: 1.95;
  color: #b9c6dd;
  overflow-x: auto;
}
.term-body .l { display: block; white-space: pre; }
.term-body .o { color: var(--txt); }
.term-body .dim { color: var(--txt-4); }

/* ============================ 07 六路混合检索 ============================ */
.hybrid-flow { display: grid; gap: clamp(16px, 2vw, 22px); }

.flow-node {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  background: linear-gradient(100deg, rgba(34,211,238,.05), rgba(168,85,247,.05));
  max-width: 460px;
  margin: 0 auto;
}
.flow-node .icon { color: var(--cy); }
.flow-node .fn-t { font-family: var(--f-display); font-size: 15px; font-weight: 600; }
.flow-node .fn-d { font-size: 12.5px; color: var(--txt-3); margin-top: 2px; }

/* 六条检索通路 */
.lanes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.lane {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--glass-2), rgba(255,255,255,.01));
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.lane:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.32);
  box-shadow: 0 24px 50px -34px rgba(34, 211, 238, 0.5);
}
.lane-head { display: flex; align-items: center; gap: 11px; margin-bottom: 12px; }
.lane-ico {
  width: 38px; height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 11px;
  border: 1px solid var(--line-2);
  background: var(--grad-soft);
  color: var(--cy);
}
.lane:nth-child(2) .lane-ico { color: var(--in); }
.lane:nth-child(3) .lane-ico { color: var(--vi); }
.lane:nth-child(4) .lane-ico { color: var(--cy); }
.lane:nth-child(5) .lane-ico { color: var(--in); }
.lane:nth-child(6) .lane-ico { color: var(--vi); }
.lane-idx {
  margin-left: auto;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--txt-4);
  letter-spacing: .08em;
}
.lane h3 { font-size: 15.5px; margin-bottom: 6px; }
.lane p { font-size: 13px; color: var(--txt-3); line-height: 1.68; }
.lane-stage {
  display: inline-block;
  margin-top: 12px;
  padding: 3px 9px;
  border-radius: 6px;
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--txt-3);
  border: 1px solid var(--line);
}
.lane-stage.s-recall { color: var(--cy); border-color: rgba(34,211,238,.24); background: var(--cy-dim); }
.lane-stage.s-expand { color: var(--in); border-color: rgba(129,140,248,.24); background: var(--in-dim); }
.lane-stage.s-rerank { color: var(--vi); border-color: rgba(168,85,247,.24); background: var(--vi-dim); }

/* 汇聚连接器：CSS 绘制的「总线」 */
.bus {
  position: relative;
  height: 62px;
  margin: 0 auto;
  max-width: 900px;
}
.bus::before {
  content: "";
  position: absolute;
  left: 8%; right: 8%; top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-2) 12%, var(--line-2) 88%, transparent);
}
.bus i {
  position: absolute;
  top: 0;
  width: 1px;
  height: 30px;
  background: linear-gradient(180deg, var(--line-2), transparent);
}
.bus i:nth-child(1) { left: 16%; }
.bus i:nth-child(2) { left: 34%; }
.bus i:nth-child(3) { left: 50%; }
.bus i:nth-child(4) { left: 66%; }
.bus i:nth-child(5) { left: 84%; }
.bus::after {
  content: "";
  position: absolute;
  left: 50%; top: 30px;
  width: 1px; height: 32px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--line-2), rgba(129,140,248,.7));
}
.bus-label {
  position: absolute;
  left: 50%; top: 26px;
  transform: translateX(-50%);
  padding: 3px 12px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: var(--panel);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--txt-2);
  white-space: nowrap;
}

.fusion {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: clamp(16px, 2.4vw, 28px);
  align-items: center;
}
.fusion-card {
  padding: 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-2);
  background: linear-gradient(140deg, rgba(129,140,248,.09), rgba(168,85,247,.05) 60%, transparent);
  box-shadow: var(--sh-card);
}
.fusion-card h3 { font-size: 17px; margin-bottom: 8px; display: flex; align-items: center; gap: 9px; }
.fusion-card h3 .icon { color: var(--in); }
.fusion-card p { font-size: 13.4px; color: var(--txt-2); line-height: 1.75; }
.fusion-arrow {
  display: grid;
  place-items: center;
  color: var(--txt-4);
}
.fusion-arrow .icon { width: 26px; height: 26px; }
.fusion-out {
  padding: 22px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(52, 211, 153, 0.24);
  background: linear-gradient(140deg, rgba(52,211,153,.08), transparent 70%);
}
.fusion-out h3 { font-size: 17px; margin-bottom: 8px; display: flex; align-items: center; gap: 9px; }
.fusion-out h3 .icon { color: var(--ok); }
.fusion-out p { font-size: 13.4px; color: var(--txt-2); line-height: 1.75; }

.result-rows { display: grid; gap: 8px; margin-top: 16px; }
.result-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: var(--r-xs);
  background: rgba(255,255,255,.022);
  border: 1px solid var(--line);
  font-size: 12.6px;
}
.result-row .rk {
  width: 20px; height: 20px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 6px;
  background: var(--grad-soft);
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--cy);
}
.result-row .rc { flex: 1; color: var(--txt-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result-row .rs { font-family: var(--f-mono); font-size: 11.5px; color: var(--ok); }

/* ============================ 08 召回评分公式 ============================ */
.recall-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}
.donut-wrap { position: relative; display: grid; place-items: center; }
/* 注意：起始角度由 JS 写在每个 <circle> 的 transform 属性上（-90° = 12 点方向），
   此处不要再对 SVG 整体旋转，否则会累计成 -180°。 */
.donut { width: 100%; max-width: 320px; height: auto; }
.donut circle { fill: none; stroke-linecap: butt; }
.donut .track { stroke: rgba(148, 163, 184, 0.09); stroke-width: 26; }
.donut .seg {
  stroke-width: 26;
  stroke-dasharray: 0 1000;
  transition: stroke-dasharray 1.1s var(--ease);
  transition-delay: var(--sd, 0ms);
}
.donut-center {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  pointer-events: none;
}
.donut-center .dc-t {
  font-family: var(--f-display);
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}
.donut-center .dc-s {
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--txt-3);
}

.bar-stack {
  display: flex;
  height: 46px;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(148,163,184,.06);
  margin-bottom: 8px;
}
.bar-stack span {
  display: grid;
  place-items: center;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  color: #05070d;
  width: 0;
  transition: width 1s var(--ease);
  transition-delay: var(--bd, 0ms);
  overflow: hidden;
  white-space: nowrap;
}
.bar-stack .b1 { background: linear-gradient(90deg, #22d3ee, #4f9df0); }
.bar-stack .b2 { background: linear-gradient(90deg, #818cf8, #7c8cf5); }
.bar-stack .b3 { background: linear-gradient(90deg, #a855f7, #b06ee8); }
.bar-stack .b4 { background: linear-gradient(90deg, #6366f1, #4f46e5); }
.is-in .bar-stack .b1 { width: 40%; }
.is-in .bar-stack .b2 { width: 20%; }
.is-in .bar-stack .b3 { width: 15%; }
.is-in .bar-stack .b4 { width: 20%; }

.factor-list { display: grid; gap: 10px; margin-top: 22px; }
.factor {
  display: grid;
  grid-template-columns: 22px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--glass);
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}
.factor:hover { border-color: var(--line-2); background: var(--glass-2); }
.factor .swatch { width: 12px; height: 12px; border-radius: 4px; }
.factor .f-t { font-size: 14.5px; font-weight: 600; }
.factor .f-d { font-size: 12.8px; color: var(--txt-3); margin-top: 3px; line-height: 1.6; }
.factor .f-w {
  font-family: var(--f-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--txt);
}
.factor .f-u { font-size: 11px; color: var(--txt-4); display: block; text-align: right; font-weight: 400; }

.formula {
  margin-top: 22px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, #080c15, #060911);
  font-family: var(--f-mono);
  font-size: 13px;
  line-height: 2;
  color: #cfd8ea;
  overflow-x: auto;
}
.formula .fk { color: var(--cy); }
.formula .fw { color: var(--warn); }

/* ============================ 09 四层记忆架构 ============================ */
.layers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}
.layer-stack { display: grid; gap: 12px; }
.layer-row {
  position: relative;
  display: grid;
  grid-template-columns: 46px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left-width: 3px;
  border-radius: var(--r-md);
  background: linear-gradient(100deg, var(--glass-2), rgba(255,255,255,.008));
  transition: transform .28s var(--ease), border-color .28s var(--ease);
}
.layer-row:hover { transform: translateX(4px); }
.layer-row .lr-n {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 12px;
  border: 1px solid var(--line-2);
  background: var(--panel-2);
}
.layer-row h3 { font-size: 16px; margin-bottom: 4px; }
.layer-row .lr-en {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--txt-4);
}
.layer-row p { font-size: 13px; color: var(--txt-3); margin-top: 6px; line-height: 1.66; }
.layer-row .lr-meta { text-align: right; display: grid; gap: 6px; justify-items: end; }

.layer-row.l1 { border-left-color: var(--cy); }
.layer-row.l1 .lr-n { color: var(--cy); box-shadow: 0 0 22px -10px var(--cy); }
.layer-row.l2 { border-left-color: #4f9df0; }
.layer-row.l2 .lr-n { color: #4f9df0; }
.layer-row.l3 { border-left-color: var(--in); }
.layer-row.l3 .lr-n { color: var(--in); }
.layer-row.l4 { border-left-color: var(--vi); }
.layer-row.l4 .lr-n { color: var(--vi); box-shadow: 0 0 22px -10px var(--vi); }

/* 层间流动箭头 */
.layer-flow {
  display: grid;
  place-items: center;
  height: 22px;
  color: var(--txt-4);
}
.layer-flow .icon { width: 18px; height: 18px; }

.curve-card { padding: 24px; border-radius: var(--r-lg); border: 1px solid var(--line); background: var(--glass); }
.curve-card h3 { font-size: 16px; margin-bottom: 6px; }
.curve-card .cc-sub { font-size: 12.8px; color: var(--txt-3); margin-bottom: 18px; line-height: 1.65; }
.ebbing { width: 100%; height: auto; }
.ebbing .grid-line { stroke: rgba(148,163,184,.12); stroke-width: 1; }
.ebbing .axis { stroke: rgba(148,163,184,.3); stroke-width: 1; }
.ebbing .lbl { fill: var(--txt-4); font-family: var(--f-mono); font-size: 10px; }
.ebbing .curve {
  fill: none;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  transition: stroke-dashoffset 1.6s var(--ease);
}
.is-in .ebbing .curve { stroke-dashoffset: 0; }
.ebbing .curve.c-natural { stroke: var(--risk); opacity: .85; }
.ebbing .curve.c-forge   { stroke: url(#curveGrad); }
.ebbing .marker { stroke: var(--txt-4); stroke-width: 1; stroke-dasharray: 3 4; }
.legend { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.legend div { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--txt-3); }
.legend i { width: 16px; height: 2.5px; border-radius: 2px; display: block; }
.legend .lg-a { background: var(--risk); }
.legend .lg-b { background: linear-gradient(90deg, var(--cy), var(--vi)); }
.curve-note { margin-top: 14px; font-size: 11.8px; color: var(--txt-4); line-height: 1.6; }

.memory-mech { display: grid; gap: 10px; margin-top: 22px; }
.mech {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--glass);
  font-size: 13.2px;
  color: var(--txt-2);
  line-height: 1.68;
}
.mech .icon { color: var(--in); margin-top: 2px; }
.mech b { color: var(--txt); font-weight: 600; }

/* ============================ 10 核心能力网格 ============================ */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.cap {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--glass-2), rgba(255,255,255,.008));
  overflow: hidden;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.cap::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity .3s var(--ease);
  background: radial-gradient(80% 55% at 20% 0%, rgba(34,211,238,.09), transparent 60%);
}
.cap:hover {
  transform: translateY(-4px);
  border-color: var(--line-2);
  box-shadow: var(--sh-lift);
}
.cap:hover::before { opacity: 1; }
.cap-ico {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 12px;
  border: 1px solid var(--line-2);
  background: var(--grad-soft);
  color: var(--cy);
  margin-bottom: 16px;
}
.cap:nth-child(3n+2) .cap-ico { color: var(--in); }
.cap:nth-child(3n+3) .cap-ico { color: var(--vi); }
.cap h3 { font-size: 15.5px; margin-bottom: 8px; display: flex; align-items: baseline; gap: 8px; }
.cap h3 .cap-n {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--txt-4);
  font-weight: 500;
}
.cap p { font-size: 13px; color: var(--txt-3); line-height: 1.7; min-height: 66px; }
.cap-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }

/* ============================ 11 系统架构 ============================ */
.arch { display: grid; gap: 12px; }
.arch-layer {
  position: relative;
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: clamp(18px, 3vw, 34px);
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, var(--glass-2), rgba(255,255,255,.006));
  overflow: hidden;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.arch-layer:hover { transform: translateY(-2px); }
.arch-layer::after {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--grad);
  opacity: .85;
}
.arch-layer.a1::after { background: linear-gradient(180deg, var(--cy), rgba(34,211,238,.1)); }
.arch-layer.a2::after { background: linear-gradient(180deg, var(--in), rgba(129,140,248,.1)); }
.arch-layer.a3::after { background: linear-gradient(180deg, var(--vi), rgba(168,85,247,.1)); }
.arch-layer.a4::after { background: linear-gradient(180deg, #34d399, rgba(52,211,153,.1)); }

.arch-meta { display: flex; gap: 14px; align-items: flex-start; }
.arch-ico {
  width: 44px; height: 44px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 13px;
  border: 1px solid var(--line-2);
  background: var(--panel-2);
}
.arch-layer.a1 .arch-ico { color: var(--cy); }
.arch-layer.a2 .arch-ico { color: var(--in); }
.arch-layer.a3 .arch-ico { color: var(--vi); }
.arch-layer.a4 .arch-ico { color: var(--ok); }
.arch-meta h3 { font-size: 16.5px; margin-bottom: 4px; }
.arch-meta .arch-en {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--txt-4);
}
.arch-mods { display: flex; flex-wrap: wrap; gap: 8px; align-content: flex-start; }
.arch-mod {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(255,255,255,.022);
  font-family: var(--f-mono);
  font-size: 12.2px;
  color: var(--txt-2);
  transition: all .22s var(--ease);
}
.arch-mod:hover {
  border-color: rgba(34,211,238,.34);
  background: var(--cy-dim);
  color: var(--txt);
  transform: translateY(-1px);
}
.arch-mod .dotm { width: 5px; height: 5px; border-radius: 50%; background: currentColor; opacity: .55; flex: none; }

.arch-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 20px;
  padding: 16px 18px;
  border: 1px dashed var(--line-2);
  border-radius: var(--r-md);
  font-size: 13px;
  color: var(--txt-3);
  line-height: 1.7;
}
.arch-note .icon { color: var(--cy); margin-top: 2px; }

/* ============================ 12 安全与隐私 ============================ */
.sec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(22px, 3vw, 34px);
  align-items: start;
}
.priv-levels { display: grid; gap: 10px; }
.priv {
  display: grid;
  grid-template-columns: 30px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--glass);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.priv:hover { transform: translateX(3px); border-color: var(--line-2); }
.priv .pv-ico { color: var(--txt-3); }
.priv .pv-t { font-family: var(--f-mono); font-size: 14px; font-weight: 600; letter-spacing: .04em; }
.priv .pv-d { font-size: 12.6px; color: var(--txt-3); margin-top: 3px; }
.priv.p1 .pv-ico, .priv.p1 .pv-t { color: var(--ok); }
.priv.p2 .pv-ico, .priv.p2 .pv-t { color: var(--cy); }
.priv.p3 .pv-ico, .priv.p3 .pv-t { color: var(--in); }
.priv.p4 .pv-ico, .priv.p4 .pv-t { color: var(--risk); }

.sec-card { padding: clamp(20px, 2.6vw, 30px); border-radius: var(--r-lg); border: 1px solid var(--line); background: var(--glass); }
.sec-card h3 { font-size: 17px; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.sec-card h3 .icon { color: var(--cy); }
.spec-list { display: grid; gap: 12px; }
.spec { display: flex; gap: 12px; align-items: flex-start; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.spec:last-child { border-bottom: none; padding-bottom: 0; }
.spec .icon { color: var(--ok); margin-top: 3px; }
.spec .sp-t { font-size: 13.8px; font-weight: 600; }
.spec .sp-d { font-size: 12.6px; color: var(--txt-3); margin-top: 3px; line-height: 1.62; }

.harden { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 22px; }
.harden-item {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(255,255,255,.016);
  font-size: 12.8px;
  color: var(--txt-2);
  line-height: 1.6;
}
.harden-item .icon { color: var(--ok); margin-top: 2px; }
.harden-item b { display: block; color: var(--txt); font-weight: 600; font-size: 13px; margin-bottom: 2px; }

/* ============================ 13 生态集成 ============================ */
.eco-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.eco {
  padding: 22px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--glass-2), rgba(255,255,255,.008));
  text-align: center;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.eco:hover { transform: translateY(-4px); border-color: var(--line-2); }
.eco-ico {
  width: 46px; height: 46px;
  margin: 0 auto 16px;
  display: grid; place-items: center;
  border-radius: 13px;
  border: 1px solid var(--line-2);
  background: var(--grad-soft);
  color: var(--cy);
}
.eco:nth-child(2) .eco-ico { color: var(--in); }
.eco:nth-child(3) .eco-ico { color: var(--vi); }
.eco:nth-child(4) .eco-ico { color: var(--ok); }
.eco:nth-child(5) .eco-ico { color: var(--warn); }
.eco h3 { font-size: 14.5px; margin-bottom: 7px; }
.eco p { font-size: 12.4px; color: var(--txt-3); line-height: 1.62; }
.eco .eco-badge {
  display: inline-block;
  margin-top: 13px;
  padding: 3px 10px;
  border-radius: 6px;
  border: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: 10.5px;
  color: var(--txt-4);
}

.embed-backends { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 30px; }

/* ============================ 14 定性能力对比 ============================ */
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--glass); }
.cmp { width: 100%; min-width: 720px; border-collapse: collapse; font-size: 13.6px; }
.cmp thead th {
  padding: 18px 18px;
  text-align: left;
  font-family: var(--f-display);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--txt-2);
  border-bottom: 1px solid var(--line-2);
  white-space: nowrap;
}
.cmp thead th.mf {
  color: var(--txt);
  background: linear-gradient(180deg, rgba(129,140,248,.12), transparent);
}
.cmp thead th .th-sub {
  display: block;
  margin-top: 3px;
  font-family: var(--f-mono);
  font-size: 10.5px;
  font-weight: 400;
  color: var(--txt-4);
  letter-spacing: .04em;
}
.cmp tbody td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--txt-2);
  vertical-align: middle;
}
.cmp tbody tr:last-child td { border-bottom: none; }
.cmp tbody tr:hover td { background: rgba(255,255,255,.018); }
.cmp td.cap-name { color: var(--txt); font-weight: 500; width: 34%; }
.cmp td.mf-col { background: rgba(129,140,248,.05); }
.cmp .mk { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; }
.cmp .mk .g {
  width: 16px; height: 16px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.cmp .mk-yes  { color: var(--ok); }
.cmp .mk-part { color: var(--warn); }
.cmp .mk-no   { color: var(--txt-4); }
.cmp-note {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  padding: 14px 18px;
  border: 1px dashed var(--line-2);
  border-radius: var(--r-md);
  font-size: 12.6px;
  color: var(--txt-3);
  line-height: 1.7;
}
.cmp-note .icon { color: var(--warn); margin-top: 2px; flex: none; }

/* ============================ 15 更新日志 ============================ */
.cl-list { display: grid; gap: 14px; position: relative; }
.cl-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: clamp(18px, 3vw, 34px);
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--glass-2), rgba(255,255,255,.008));
  transition: border-color .28s var(--ease), transform .28s var(--ease);
}
.cl-item:hover { border-color: var(--line-2); transform: translateY(-2px); }
.cl-item.is-latest {
  border-color: rgba(34, 211, 238, 0.3);
  background: linear-gradient(140deg, rgba(34,211,238,.06), rgba(168,85,247,.03) 55%, rgba(255,255,255,.006));
}
.cl-meta { display: grid; gap: 8px; align-content: start; }
.cl-ver {
  font-family: var(--f-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.cl-date { font-family: var(--f-mono); font-size: 11.5px; color: var(--txt-4); letter-spacing: .04em; }
.cl-kind {
  justify-self: start;
  padding: 3px 10px;
  border-radius: 6px;
  border: 1px solid var(--line-2);
  font-size: 11px;
  font-weight: 600;
  color: var(--txt-3);
}
.cl-item.is-latest .cl-kind { color: var(--cy); border-color: rgba(34,211,238,.34); background: var(--cy-dim); }

.cl-body h4 { font-size: 15.5px; margin-bottom: 12px; line-height: 1.5; }
.cl-body ul { list-style: none; display: grid; gap: 9px; }
.cl-body li {
  position: relative;
  padding-left: 18px;
  font-size: 13.2px;
  color: var(--txt-2);
  line-height: 1.72;
}
.cl-body li::before {
  content: "";
  position: absolute;
  left: 2px; top: 10px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--in);
  opacity: .7;
}
.cl-body li b { color: var(--txt); font-weight: 600; }
.cl-body code {
  padding: 1px 6px;
  border-radius: 5px;
  background: rgba(129, 140, 248, 0.12);
  border: 1px solid rgba(129, 140, 248, 0.18);
  font-size: 12px;
  color: #c7d2fe;
  white-space: nowrap;
}

/* ============================ 16 CTA ============================ */
.cta {
  position: relative;
  padding: clamp(76px, 9vw, 128px) 0;
  text-align: center;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(50% 60% at 50% 50%, rgba(129, 140, 248, 0.13), transparent 68%),
    radial-gradient(30% 40% at 22% 30%, rgba(34, 211, 238, 0.09), transparent 70%);
}
.cta-inner { position: relative; z-index: 1; }
.cta h2 { font-size: clamp(1.9rem, 4.2vw, 3.1rem); margin-bottom: 18px; }
.cta p { color: var(--txt-2); font-size: clamp(0.95rem, 1.2vw, 1.08rem); max-width: 620px; margin: 0 auto; }
.cta-install {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
  margin: 34px auto 0;
  max-width: 720px;
}
.cta-install .code { flex: 1 1 380px; text-align: left; }
.cta-install .code-body { padding: 16px 18px; font-size: 13.6px; }
.cta-links { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 30px; }

/* ============================ 17 页脚 ============================ */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  padding: clamp(52px, 6vw, 78px) 0 26px;
  background: linear-gradient(180deg, transparent, rgba(8, 11, 19, 0.8));
}
.foot-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: clamp(24px, 4vw, 48px);
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}
.foot-brand { display: flex; gap: 14px; align-items: flex-start; }
.foot-brand .fb-t { font-family: var(--f-display); font-size: 16.5px; font-weight: 700; }
.foot-brand .fb-s { font-size: 12.8px; color: var(--txt-3); margin-top: 5px; line-height: 1.6; }
.foot-brand .fb-links { display: flex; gap: 12px; margin-top: 14px; }
.foot-brand .fb-links a { color: var(--txt-3); }
.foot-brand .fb-links a:hover { color: var(--cy); }

.foot-col h5 {
  font-family: var(--f-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--txt-4);
  margin-bottom: 14px;
}
.foot-col ul { list-style: none; display: grid; gap: 10px; }
.foot-col a { font-size: 13.4px; color: var(--txt-2); }
.foot-col a:hover { color: var(--cy); }

.foot-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 12.4px;
  color: var(--txt-4);
}
.foot-bottom .fb-legal { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.foot-bottom a { color: var(--txt-3); }
.foot-bottom a:hover { color: var(--cy); }

/* ============================ 18 Demo 页 ============================ */
.demo-body { overflow: hidden; height: 100vh; height: 100svh; background: var(--void); }
.demo-body::before, .demo-body::after { display: none; }
#demo-canvas { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; }
.demo-vignette {
  position: fixed; inset: 0; z-index: 2; pointer-events: none;
  background: radial-gradient(ellipse 78% 68% at 50% 50%, transparent 40%, rgba(5,7,13,.82) 100%);
}
.demo-back {
  position: fixed;
  top: 22px; left: 22px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: rgba(8, 11, 19, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--txt-2);
  transition: all .22s var(--ease);
}
.demo-back:hover { color: var(--cy); border-color: rgba(34,211,238,.4); background: var(--cy-dim); }

.demo-controls {
  position: fixed;
  top: 22px; right: 22px;
  z-index: 30;
  display: flex;
  gap: 8px;
}
.demo-ctrl {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 15px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: rgba(8, 11, 19, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  font-size: 12.5px;
  color: var(--txt-2);
  transition: all .22s var(--ease);
}
.demo-ctrl:hover { color: var(--txt); border-color: var(--line-2); background: rgba(255,255,255,.05); }
/* 暂停 / 继续图标由 aria-pressed 驱动，避免用 innerHTML 改写 SVG 命名空间 */
.demo-ctrl .u-play { display: none; }
.demo-ctrl[aria-pressed="true"] .u-pause { display: none; }
.demo-ctrl[aria-pressed="true"] .u-play { display: block; }
.demo-ctrl:disabled { opacity: .4; cursor: not-allowed; }

.stage { position: fixed; inset: 0; z-index: 10; pointer-events: none; }

.demo-title {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) translateY(18px);
  text-align: center;
  opacity: 0;
  transition: opacity 1.1s var(--ease), transform 1.1s var(--ease);
  width: min(92vw, 620px);
}
.demo-title.is-on { opacity: 1; transform: translate(-50%, -50%) translateY(0); }
.demo-title h1 {
  font-size: clamp(2.6rem, 8vw, 5.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 14px;
}
.demo-title p { color: var(--txt-2); font-size: clamp(0.95rem, 1.6vw, 1.22rem); }

.phase {
  position: absolute;
  top: 84px; left: clamp(22px, 5vw, 64px);
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  border: 1px solid rgba(34, 211, 238, 0.26);
  border-radius: var(--r-pill);
  background: rgba(34, 211, 238, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--cy);
}
.phase.is-on { opacity: 1; transform: none; }
.phase .pn {
  width: 19px; height: 19px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(34, 211, 238, 0.2);
  font-size: 10.5px;
}

.dcard {
  position: absolute;
  width: 348px;
  max-width: 82vw;
  padding: 20px;
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: var(--r-lg);
  background: rgba(11, 16, 27, 0.86);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: var(--sh-lift);
  opacity: 0;
  transform: translateY(16px) scale(.985);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}
.dcard.is-on { opacity: 1; transform: translateY(0) scale(1); }
.dcard h3 { display: flex; align-items: center; gap: 9px; font-size: 14.5px; margin-bottom: 12px; }
.dcard h3 .icon { color: var(--cy); }
.dcard .dc-body { font-size: 13.4px; color: var(--txt-2); line-height: 1.72; }
.dcard .dc-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.dcard .dc-tags span {
  padding: 3px 10px;
  border: 1px solid rgba(168, 85, 247, 0.22);
  border-radius: var(--r-pill);
  background: var(--vi-dim);
  font-size: 11px;
  color: #d8b4fe;
}
.dcard .dc-score {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding-top: 13px;
  border-top: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: 12.2px;
  color: var(--ok);
}
.dcard .dc-bar { flex: 1; height: 4px; border-radius: 3px; background: rgba(148,163,184,.14); overflow: hidden; }
.dcard .dc-bar i { display: block; height: 100%; width: 0; border-radius: 3px; background: var(--grad); transition: width 1.1s var(--ease); }

.search-dock {
  position: absolute;
  bottom: 14%; left: 50%;
  transform: translateX(-50%) translateY(14px);
  display: flex;
  gap: 10px;
  opacity: 0;
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  width: min(92vw, 520px);
  pointer-events: all;
}
.search-dock.is-on { opacity: 1; transform: translateX(-50%) translateY(0); }
.search-dock input {
  flex: 1;
  min-width: 0;
  padding: 14px 18px;
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: var(--r-md);
  background: rgba(11, 16, 27, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--txt);
  font-family: var(--f-body);
  font-size: 14px;
  outline: none;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.search-dock input::placeholder { color: var(--txt-4); }
.search-dock input:focus { border-color: var(--cy); box-shadow: 0 0 0 3px rgba(34,211,238,.14); }
.search-dock button {
  padding: 14px 24px;
  border-radius: var(--r-md);
  background: var(--grad);
  color: #04070e;
  font-size: 14px;
  font-weight: 600;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.search-dock button:hover { transform: translateY(-1px); box-shadow: 0 8px 26px -10px rgba(129,140,248,.8); }

.gnode {
  position: absolute;
  width: 74px; height: 74px;
  margin: -37px 0 0 -37px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 2px solid rgba(34, 211, 238, 0.4);
  background: rgba(11, 16, 27, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 0 34px -8px rgba(34, 211, 238, 0.55);
  color: var(--cy);
  opacity: 0;
  transform: scale(.75);
  transition: opacity .6s var(--ease), transform .6s var(--ease), box-shadow .4s var(--ease);
}
.gnode.is-on { opacity: 1; transform: scale(1); }
.gnode.is-on:hover { box-shadow: 0 0 46px -4px rgba(34, 211, 238, 0.8); }
.gnode .gn-l {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: var(--f-mono);
  font-size: 10.5px;
  color: var(--txt-3);
  letter-spacing: .04em;
}
.glink {
  position: absolute;
  height: 2px;
  transform-origin: left center;
  background: linear-gradient(90deg, rgba(34,211,238,.75), rgba(168,85,247,.75));
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.35);
  opacity: 0;
  transition: opacity .8s var(--ease);
}
.glink.is-on { opacity: 1; }

.dlayer-stack {
  position: absolute;
  right: clamp(22px, 6vw, 84px);
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  gap: 10px;
  opacity: 0;
  transition: opacity .8s var(--ease);
}
.dlayer-stack.is-on { opacity: 1; }
.dlayer {
  min-width: 178px;
  padding: 14px 18px;
  border-radius: 0 var(--r-md) var(--r-md) 0;
  border: 1px solid var(--line);
  border-left: 3px solid;
  background: rgba(11, 16, 27, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.dlayer span { display: block; font-size: 14px; font-weight: 600; color: var(--txt); }
.dlayer .dl-en {
  display: block;
  margin-top: 3px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--txt-4);
}
.dlayer.d4 { border-left-color: var(--cy); }
.dlayer.d3 { border-left-color: var(--in); }
.dlayer.d2 { border-left-color: var(--vi); }
.dlayer.d1 { border-left-color: var(--ok); }

.demo-progress {
  position: fixed;
  left: 0; bottom: 0;
  z-index: 30;
  height: 2px;
  width: 0;
  background: var(--grad);
  transition: width .4s linear;
}

/* 舞台坐标集中在此处定义，便于按断点重排（移动端改为纵向堆叠，避免元素互相遮挡） */
#card1 { top: 24%; left: 13%; width: 348px; }
#card2 { top: 54%; left: 13%; width: 348px; }
#node1 { top: 40%; left: 48%; }
#node2 { top: 28%; left: 63%; }
#node3 { top: 56%; left: 69%; }

/* ============================ 19 响应式 ============================ */

/* —— ≥1280：完整三栏 —— */
@media (min-width: 1280px) {
  .cap-grid { grid-template-columns: repeat(3, 1fr); }
}

/* —— 768–1279：两栏 / 收起导航 —— */
@media (max-width: 1120px) {
  .nav-links { display: none; }
  .nav-toggle { display: grid; }
}

@media (max-width: 1279px) {
  .qs-grid      { grid-template-columns: 1fr; }
  .recall-grid  { grid-template-columns: 1fr; justify-items: center; }
  .recall-grid .recall-factors { width: 100%; }
  .layers-grid  { grid-template-columns: 1fr; }
  .sec-grid     { grid-template-columns: 1fr; }
  .lanes        { grid-template-columns: repeat(2, 1fr); }
  .cap-grid     { grid-template-columns: repeat(2, 1fr); }
  .arch-layer   { grid-template-columns: 1fr; gap: 18px; }
  .eco-grid     { grid-template-columns: repeat(3, 1fr); }
  .foot-top     { grid-template-columns: 1fr 1fr; }
  .foot-brand   { grid-column: 1 / -1; }
  .fusion       { grid-template-columns: 1fr; }
  .fusion-arrow { transform: rotate(90deg); justify-self: center; }
}

/* —— <768：单栏 —— */
@media (max-width: 767px) {
  html { scroll-padding-top: 80px; }
  .container { padding: 0 18px; }
  .nav-inner { height: 64px; }
  .nav-drawer { top: 64px; }
  .brand-ver { display: none; }
  .nav-cta .btn-ghost { display: none; }

  .hero { min-height: auto; padding: 118px 18px 72px; }
  .hero-title { font-size: clamp(2.1rem, 10vw, 3rem); }
  .hero-sub .sep { display: none; }
  .hero-sub br { display: none; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 12px;
    padding: 20px 16px;
  }
  .stat-sep { display: none; }
  .scroll-cue { display: none; }

  .section-head { text-align: left; }
  .section-head h2 { font-size: 1.6rem; }

  .lanes     { grid-template-columns: 1fr; }
  .cap-grid  { grid-template-columns: 1fr; }
  .harden    { grid-template-columns: 1fr; }
  .eco-grid  { grid-template-columns: repeat(2, 1fr); }
  .foot-top  { grid-template-columns: 1fr; }
  .cl-item   { grid-template-columns: 1fr; gap: 14px; }
  .cl-meta   { grid-auto-flow: column; justify-content: start; align-items: center; gap: 12px; }
  .code-body, .term-body { font-size: 12.4px; padding: 15px 16px; }
  .flow-node { flex-direction: column; text-align: center; padding: 16px; }
  .bus i:nth-child(2), .bus i:nth-child(4) { display: none; }
  .bus i:nth-child(1) { left: 20%; }
  .bus i:nth-child(3) { left: 50%; }
  .bus i:nth-child(5) { left: 80%; }
  .priv { grid-template-columns: 26px 1fr; }
  .priv .pv-extra { display: none; }

  /* 移动端：卡片上移堆叠，知识图谱三个节点改为底部横排，互不遮挡 */
  #card1 { top: 11%; left: 4%; width: min(92vw, 330px); }
  #card2 { top: 37%; left: 4%; width: min(92vw, 330px); }
  #node1 { top: 70%; left: 22%; }
  #node2 { top: 70%; left: 50%; }
  #node3 { top: 70%; left: 78%; }
  .dcard { padding: 16px; }
  .dcard .dc-tags { display: none; }
  .dlayer-stack { right: 50%; top: auto; bottom: 22%; transform: translateX(50%); }
  .gnode { width: 58px; height: 58px; margin: -29px 0 0 -29px; }
  .gnode .icon-lg { width: 24px; height: 24px; }
  .gnode .gn-l { font-size: 9.5px; }
  .demo-back { top: 16px; left: 16px; padding: 9px 14px; font-size: 12.5px; }
  .demo-controls { top: 16px; right: 16px; }
  .demo-ctrl span { display: none; }
  .demo-ctrl { padding: 9px 11px; }
  .search-dock { bottom: 8%; flex-direction: column; }
  .search-dock button { width: 100%; }
}

@media (max-width: 420px) {
  .eco-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}

/* ============================ 20 动效降级 ============================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .bar-stack span { transition: none; }
  .ebbing .curve { stroke-dashoffset: 0 !important; }
  .donut .seg { transition: none; }
}

/* 打印 */
@media print {
  .nav, .nav-drawer, #memory-canvas, .hero-aura, .scroll-cue, .demo-controls { display: none !important; }
  body { background: #fff; color: #000; }
}