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var(--tw-gradient-to-position)}.p-3{padding:.75rem}.p-4{padding:1rem}.p-5{padding:1.25rem}.p-6{padding:1.5rem}.p-7{padding:1.75rem}.p-8{padding:2rem}.px-3{padding-left:.75rem;padding-right:.75rem}.px-4{padding-left:1rem;padding-right:1rem}.px-5{padding-left:1.25rem;padding-right:1.25rem}.px-6{padding-left:1.5rem;padding-right:1.5rem}.px-8{padding-left:2rem;padding-right:2rem}.py-16{padding-top:4rem;padding-bottom:4rem}.py-2{padding-top:.5rem;padding-bottom:.5rem}.py-2\.5{padding-top:.625rem;padding-bottom:.625rem}.py-20{padding-top:5rem;padding-bottom:5rem}.py-3{padding-top:.75rem;padding-bottom:.75rem}.py-3\.5{padding-top:.875rem;padding-bottom:.875rem}.py-4{padding-top:1rem;padding-bottom:1rem}.pb-24{padding-bottom:6rem}.pt-16{padding-top:4rem}.pt-6{padding-top:1.5rem}.text-left{text-align:left}.text-center{text-align:center}.font-mono{font-family:JetBrains Mono,ui-monospace,monospace}.text-2xl{font-size:1.5rem;line-height:2rem}.text-3xl{font-size:1.875rem;line-height:2.25rem}.text-4xl{font-size:2.25rem;line-height:2.5rem}.text-5xl{font-size:3rem;line-height:1}.text-\[10px\]{font-size:10px}.text-\[11px\]{font-size:11px}.text-lg{font-size:1.125rem;line-height:1.75rem}.text-sm{font-size:.875rem;line-height:1.25rem}.text-xl{font-size:1.25rem;line-height:1.75rem}.text-xs{font-size:.75rem;line-height:1rem}.font-black{font-weight:900}.font-bold{font-weight:700}.font-medium{font-weight:500}.font-semibold{font-weight:600}.uppercase{text-transform:uppercase}.leading-\[1\.05\]{line-height:1.05}.leading-relaxed{line-height:1.625}.leading-tight{line-height:1.25}.tracking-tight{letter-spacing:-.025em}.tracking-wide{letter-spacing:.025em}.tracking-wider{letter-spacing:.05em}.text-amber-300{--tw-text-opacity:1;color:rgb(252 211 77/var(--tw-text-opacity,1))}.text-cosmic-300{--tw-text-opacity:1;color:rgb(147 197 253/var(--tw-text-opacity,1))}.text-cosmic-400{--tw-text-opacity:1;color:rgb(96 165 250/var(--tw-text-opacity,1))}.text-emerald-300{--tw-text-opacity:1;color:rgb(110 231 183/var(--tw-text-opacity,1))}.text-emerald-400{--tw-text-opacity:1;color:rgb(52 211 153/var(--tw-text-opacity,1))}.text-nebula-200{--tw-text-opacity:1;color:rgb(221 214 254/var(--tw-text-opacity,1))}.text-nebula-300{--tw-text-opacity:1;color:rgb(196 181 253/var(--tw-text-opacity,1))}.text-nebula-400{--tw-text-opacity:1;color:rgb(167 139 250/var(--tw-text-opacity,1))}.text-night-300{--tw-text-opacity:1;color:rgb(100 116 139/var(--tw-text-opacity,1))}.text-pink-300{--tw-text-opacity:1;color:rgb(249 168 212/var(--tw-text-opacity,1))}.text-pink-400{--tw-text-opacity:1;color:rgb(244 114 182/var(--tw-text-opacity,1))}.text-sky-300{--tw-text-opacity:1;color:rgb(125 211 252/var(--tw-text-opacity,1))}.text-slate-200{--tw-text-opacity:1;color:rgb(226 232 240/var(--tw-text-opacity,1))}.text-slate-300{--tw-text-opacity:1;color:rgb(203 213 225/var(--tw-text-opacity,1))}.text-slate-400{--tw-text-opacity:1;color:rgb(148 163 184/var(--tw-text-opacity,1))}.text-slate-500{--tw-text-opacity:1;color:rgb(100 116 139/var(--tw-text-opacity,1))}.text-slate-600{--tw-text-opacity:1;color:rgb(71 85 105/var(--tw-text-opacity,1))}.text-white{--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity,1))}.text-white\/80{color:hsla(0,0%,100%,.8)}.text-white\/90{color:hsla(0,0%,100%,.9)}.line-through{text-decoration-line:line-through}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.opacity-50{opacity:.5}.shadow-2xl{--tw-shadow:0 25px 50px -12px rgba(0,0,0,.25);--tw-shadow-colored:0 25px 50px -12px var(--tw-shadow-color)}.shadow-2xl,.shadow-lg{box-shadow:var(--tw-ring-offset-shadow,0 0 #0000),var(--tw-ring-shadow,0 0 #0000),var(--tw-shadow)}.shadow-lg{--tw-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--tw-shadow-colored:0 10px 15px -3px var(--tw-shadow-color),0 4px 6px -4px var(--tw-shadow-color)}.shadow-amber-400\/50{--tw-shadow-color:rgba(251,191,36,.5);--tw-shadow:var(--tw-shadow-colored)}.shadow-cosmic-500\/30{--tw-shadow-color:rgba(59,130,246,.3);--tw-shadow:var(--tw-shadow-colored)}.shadow-emerald-500\/30{--tw-shadow-color:rgba(16,185,129,.3);--tw-shadow:var(--tw-shadow-colored)}.shadow-nebula-400\/50{--tw-shadow-color:rgba(167,139,250,.5);--tw-shadow:var(--tw-shadow-colored)}.shadow-nebula-500\/30{--tw-shadow-color:rgba(139,92,246,.3);--tw-shadow:var(--tw-shadow-colored)}.shadow-nebula-500\/50{--tw-shadow-color:rgba(139,92,246,.5);--tw-shadow:var(--tw-shadow-colored)}.shadow-nebula-900\/30{--tw-shadow-color:rgba(76,29,149,.3);--tw-shadow:var(--tw-shadow-colored)}.shadow-pink-400\/30{--tw-shadow-color:rgba(244,114,182,.3);--tw-shadow:var(--tw-shadow-colored)}.shadow-pink-500\/30{--tw-shadow-color:rgba(236,72,153,.3);--tw-shadow:var(--tw-shadow-colored)}.shadow-sky-500\/30{--tw-shadow-color:rgba(14,165,233,.3);--tw-shadow:var(--tw-shadow-colored)}.shadow-violet-500\/30{--tw-shadow-color:rgba(139,92,246,.3);--tw-shadow:var(--tw-shadow-colored)}.outline{outline-style:solid}.blur{--tw-blur:blur(8px)}.blur,.blur-3xl{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.blur-3xl{--tw-blur:blur(64px)}.grayscale{--tw-grayscale:grayscale(100%)}.filter,.grayscale{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.backdrop-filter{-webkit-backdrop-filter:var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia);backdrop-filter:var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia)}.transition{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,-webkit-backdrop-filter;transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter;transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter,-webkit-backdrop-filter;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.transition-transform{transition-property:transform;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.ease-in-out{transition-timing-function:cubic-bezier(.4,0,.2,1)}.ease-out{transition-timing-function:cubic-bezier(0,0,.2,1)}.hover\:scale-105:hover{--tw-scale-x:1.05;--tw-scale-y:1.05;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.hover\:bg-nebula-600\/50:hover{background-color:rgba(124,58,237,.5)}.hover\:bg-white\/10:hover{background-color:hsla(0,0%,100%,.1)}.hover\:bg-white\/5:hover{background-color:hsla(0,0%,100%,.05)}.hover\:text-slate-300:hover{--tw-text-opacity:1;color:rgb(203 213 225/var(--tw-text-opacity,1))}.hover\:text-white:hover{--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity,1))}.active\:cursor-grabbing:active{cursor:grabbing}@media (min-width:640px){.sm\:flex-row{flex-direction:row}}@media (min-width:768px){.md\:col-span-2{grid-column:span 2/span 2}.md\:col-span-3{grid-column:span 3/span 3}.md\:block{display:block}.md\:inline-flex{display:inline-flex}.md\:hidden{display:none}.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.md\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.md\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.md\:grid-cols-5{grid-template-columns:repeat(5,minmax(0,1fr))}.md\:flex-row{flex-direction:row}.md\:gap-4{gap:1rem}.md\:gap-5{gap:1.25rem}.md\:gap-6{gap:1.5rem}.md\:gap-8{gap:2rem}.md\:p-10{padding:2.5rem}.md\:p-12{padding:3rem}.md\:p-8{padding:2rem}.md\:px-8{padding-left:2rem;padding-right:2rem}.md\:py-28{padding-top:7rem;padding-bottom:7rem}.md\:pb-32{padding-bottom:8rem}.md\:pt-24{padding-top:6rem}.md\:text-3xl{font-size:1.875rem;line-height:2.25rem}.md\:text-4xl{font-size:2.25rem;line-height:2.5rem}.md\:text-5xl{font-size:3rem;line-height:1}.md\:text-7xl{font-size:4.5rem;line-height:1}.md\:text-xl{font-size:1.25rem;line-height:1.75rem}}@media (min-width:1024px){.lg\:block{display:block}.lg\:flex{display:flex}.lg\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.lg\:grid-cols-5{grid-template-columns:repeat(5,minmax(0,1fr))}.lg\:text-8xl{font-size:6rem;line-height:1}}

  /* 本地系统字体回退（Google Fonts 在国内不稳定） */
  @font-face { font-family: 'Inter'; src: local('Arial'); font-display: swap; }
  @font-face { font-family: 'Noto Sans SC'; src: local('Microsoft YaHei'), local('PingFang SC'); font-display: swap; }
  @font-face { font-family: 'JetBrains Mono'; src: local('Consolas'), local('Courier New'); font-display: swap; }


  * { scrollbar-width: thin; scrollbar-color: rgba(139,92,246,0.4) transparent; }
  ::-webkit-scrollbar { width: 8px; height: 8px; }
  ::-webkit-scrollbar-track { 
    background: rgba(139,92,246,0.03); 
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(167,139,250,0.6), rgba(139,92,246,0.5), rgba(99,102,241,0.4));
    border-radius: 4px;
    border: 2px solid transparent;
    background-clip: padding-box;
    transition: all 0.25s ease;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(167,139,250,0.8), rgba(139,92,246,0.7), rgba(99,102,241,0.6));
    box-shadow: 0 0 12px rgba(139,92,246,0.3);
  }
  html { scroll-behavior: smooth; }
  body { font-family: 'Inter', 'Noto Sans SC', system-ui, sans-serif; -webkit-font-smoothing: antialiased; }

  /* 星云背景 - 统一深度 */
  .cosmic-bg {
    background: #0a0418;
    position: relative;
    overflow-x: hidden;
    min-height: 100vh;
  }
  .cosmic-bg::before {
    content: '';
    position: fixed; inset: 0;
    background:
      radial-gradient(ellipse 70% 50% at 15% 10%, rgba(139,92,246,0.15) 0%, transparent 60%),
      radial-gradient(ellipse 60% 40% at 80% 90%, rgba(56,189,248,0.12) 0%, transparent 55%),
      radial-gradient(ellipse 50% 35% at 50% 50%, rgba(236,72,153,0.06) 0%, transparent 55%);
    pointer-events: none; z-index: 0;
    animation: bg-pulse 8s ease-in-out infinite;
  }
  
  @keyframes bg-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.85; }
  }

  /* 星点层 */
  .stars, .stars2, .stars3 {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none; z-index: 0;
  }
  .stars { background-image: radial-gradient(1px 1px at 25% 30%, #fff, transparent), radial-gradient(1px 1px at 50% 70%, #fff, transparent), radial-gradient(1px 1px at 80% 20%, #fff, transparent), radial-gradient(1px 1px at 15% 80%, #fff, transparent), radial-gradient(1px 1px at 90% 50%, #fff, transparent); background-size: 300px 300px; opacity: 0.4; }
  .stars2 { background-image: radial-gradient(1.5px 1.5px at 10% 25%, #c4b5fd, transparent), radial-gradient(1.5px 1.5px at 65% 60%, #7dd3fc, transparent), radial-gradient(1.5px 1.5px at 40% 90%, #fff, transparent); background-size: 500px 500px; opacity: 0.3; animation: pulse-soft 4s ease-in-out infinite; }
  .stars3 { background-image: radial-gradient(2px 2px at 20% 50%, #f9a8d4, transparent), radial-gradient(2px 2px at 80% 30%, #fff, transparent); background-size: 800px 800px; opacity: 0.2; animation: pulse-soft 6s ease-in-out infinite 1s; }

  /* 浮动光球 */
  .orb { position: fixed; border-radius: 50%; pointer-events: none; filter: blur(80px); opacity: 0.5; z-index: 0; }
  .orb-1 { width: 420px; height: 420px; background: radial-gradient(circle, rgba(139,92,246,0.45), transparent); top: -100px; right: -100px; animation: aurora 14s ease-in-out infinite; }
  .orb-2 { width: 380px; height: 380px; background: radial-gradient(circle, rgba(56,189,248,0.35), transparent); bottom: -80px; left: -100px; animation: aurora 11s ease-in-out infinite reverse; }
  .orb-3 { width: 300px; height: 300px; background: radial-gradient(circle, rgba(236,72,153,0.25), transparent); top: 40%; left: 45%; transform: translate(-50%,-50%); animation: aurora 16s ease-in-out infinite 3s; }

  /* 毛玻璃卡片 - 升级版 */
  .glass {
    background: linear-gradient(135deg, rgba(139,92,246,0.1) 0%, rgba(99,102,241,0.05) 50%, rgba(56,189,248,0.03) 100%);
    backdrop-filter: blur(28px) saturate(1.5);
    -webkit-backdrop-filter: blur(28px) saturate(1.5);
    border: 1px solid rgba(139,92,246,0.18);
    box-shadow: 0 8px 48px rgba(0,0,0,0.35), 
                0 0 0 1px rgba(139,92,246,0.08) inset,
                inset 0 1px 0 rgba(255,255,255,0.1);
  }
  .glass:hover { 
    border-color: rgba(139,92,246,0.35); 
    box-shadow: 0 12px 64px rgba(139,92,246,0.15), 
                0 0 0 1px rgba(139,92,246,0.15) inset,
                inset 0 1px 0 rgba(255,255,255,0.12); 
  }
  .glass-soft {
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(139,92,246,0.03) 100%);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border: 1px solid rgba(139,92,246,0.12);
  }
  .glass-light {
    background: rgba(255,255,255,0.025);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(139,92,246,0.08);
  }
  .glass:hover { border-color: rgba(139,92,246,0.35); box-shadow: 0 12px 64px rgba(139,92,246,0.2), inset 0 1px 0 rgba(255,255,255,0.1); }

  /* 发光文字渐变 */
  .text-gradient {
    background: linear-gradient(135deg, #c4b5fd 0%, #7c3aed 30%, #38bdf8 65%, #f9a8d4 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-x 8s ease infinite;
  }
  .text-gradient-2 {
    background: linear-gradient(135deg, #a78bfa, #60a5fa, #f472b6);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  /* 主按钮 - 简洁高级设计 */
  .btn-primary {
    background: rgba(139,92,246,0.12);
    border: 1px solid rgba(139,92,246,0.3);
    backdrop-filter: blur(12px);
    transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
    position: relative;
    overflow: hidden;
  }
  .btn-primary::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(139,92,246,0.1) 0%, transparent 50%, rgba(56,189,248,0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  .btn-primary:hover {
    background: rgba(139,92,246,0.2);
    border-color: rgba(139,92,246,0.5);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 12px 40px rgba(139,92,246,0.3), 0 0 0 1px rgba(139,92,246,0.4);
  }
  .btn-primary:hover::before {
    opacity: 1;
  }
  .btn-primary:active {
    transform: translateY(-1px) scale(1.01);
    box-shadow: 0 6px 20px rgba(139,92,246,0.25);
  }
  .btn-ghost {
    border: 1px solid rgba(148,163,184,0.25);
    background: rgba(148,163,184,0.05);
    transition: all 0.25s ease;
  }
  .btn-ghost:hover { 
    background: rgba(148,163,184,0.1); 
    border-color: rgba(148,163,184,0.4); 
  }

  /* 分割线光晕 */
  .glow-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(139,92,246,0.5), rgba(56,189,248,0.5), rgba(236,72,153,0.5), transparent);
    position: relative;
  }
  .glow-divider::before {
    content: ''; position: absolute; inset: -1px 0;
    background: inherit; filter: blur(6px); opacity: 0.5;
  }

  /* 章节编号 */
  .chapter-num {
    font-family: 'JetBrains Mono', monospace;
    background: linear-gradient(135deg, #a78bfa, #38bdf8);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
    font-weight: 700;
  }

  /* 代码块 */
  .code-block {
    background: linear-gradient(135deg, rgba(15,10,26,0.9) 0%, rgba(10,20,40,0.9) 100%);
    border: 1px solid rgba(139,92,246,0.2);
    font-family: 'JetBrains Mono', monospace;
  }

  /* 节点 */
  .node { transition: all 0.4s cubic-bezier(0.4,0,0.2,1); }
  .node:hover { transform: translateY(-6px) scale(1.04); }

  /* SVG 连线动画 */
  @keyframes dash { to { stroke-dashoffset: -30; } }
  .flow-line { stroke-dasharray: 6 8; animation: dash 2s linear infinite; }

  /* Terminal 闪烁 */
  .cursor { display: inline-block; width: 8px; height: 18px; background: #a78bfa; vertical-align: middle; animation: blink 1s step-end infinite; }

  /* 滚动显现 */
  .reveal { opacity: 0; transform: translateY(40px) scale(0.95); transition: all 0.7s cubic-bezier(0.16,1,0.3,1); }
  .reveal.visible { opacity: 1; transform: translateY(0) scale(1); }

  /* 徽章 */
  .tag {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 10px; border-radius: 9999px;
    font-size: 11px; font-weight: 500; letter-spacing: 0.02em;
    background: rgba(139,92,246,0.12);
    border: 1px solid rgba(139,92,246,0.25);
    color: #c4b5fd;
  }
  .tag-blue { background: rgba(139,92,246,0.12); border-color: rgba(139,92,246,0.25); color: #a78bfa; }
  .tag-pink { background: rgba(139,92,246,0.12); border-color: rgba(139,92,246,0.25); color: #a78bfa; }
  .tag-emerald { background: rgba(139,92,246,0.12); border-color: rgba(139,92,246,0.25); color: #a78bfa; }
  .tag-amber { background: rgba(139,92,246,0.12); border-color: rgba(139,92,246,0.25); color: #a78bfa; }
  .tag-rose { background: rgba(139,92,246,0.12); border-color: rgba(139,92,246,0.25); color: #a78bfa; }
  .tag-slate { background: rgba(148,163,184,0.12); border-color: rgba(148,163,184,0.25); color: #94a3b8; }
  .tag-nebula { background: rgba(139,92,246,0.12); border-color: rgba(139,92,246,0.25); color: #a78bfa; }

  /* 英雄发光环 */
  .hero-glow {
    position: absolute; left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(139,92,246,0.25) 0%, rgba(56,189,248,0.12) 30%, transparent 70%);
    filter: blur(40px);
    pointer-events: none;
    animation: pulse-soft 4s ease-in-out infinite;
  }

  /* 球体层级图 */
  .sphere-layer {
    border: 1.5px solid rgba(139,92,246,0.3);
    border-radius: 50%;
    position: relative;
    transition: all 0.5s ease;
  }
  .sphere-layer:hover { border-color: rgba(56,189,248,0.6); background: rgba(139,92,246,0.05); }

  /* 玻璃球体 */
  .glass-sphere {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  }
  .glass-sphere:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 40px rgba(139,92,246,0.2);
  }

  /* 表格 */
  table.dark-table th { background: rgba(139,92,246,0.1); color: #c4b5fd; font-weight: 600; font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; }
  table.dark-table td { border-top: 1px solid rgba(139,92,246,0.1); }
  table.dark-table tr:hover td { background: rgba(139,92,246,0.04); }

  /* 导航 */
  .nav-pill { transition: all 0.25s ease; }
  .nav-pill:hover { background: rgba(139,92,246,0.12); color: #c4b5fd; }
  .nav-underline {
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1.5px;
    background: linear-gradient(90deg, #a78bfa, #60a5fa);
    border-radius: 1px;
    transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
    opacity: 0;
  }
  .nav-pill:hover .nav-underline {
    width: 50%;
    opacity: 1;
  }

  /* 进度条 */
  .progress-track { background: rgba(139,92,246,0.08); border-radius: 9999px; overflow: hidden; position: relative; }
  .progress-fill {
    background: linear-gradient(90deg, #7c3aed, #6366f1, #0ea5e9);
    background-size: 200% 100%; animation: flow 4s linear infinite;
    height: 100%; border-radius: 9999px;
    box-shadow: 0 0 12px rgba(124,58,237,0.4);
  }
  .progress-fill.nebula {
    background: linear-gradient(90deg, #8b5cf6, #a78bfa);
    animation: none;
    box-shadow: 0 0 8px rgba(139,92,246,0.3);
  }

  /* 原子点小图标 */
  .atom-icon {
    width: 36px; height: 36px; border-radius: 10px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 16px; font-weight: 700;
    flex-shrink: 0;
  }

  /* 能力域卡片环 */
  .ring-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
  }
  .ring-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, transparent, currentColor, transparent);
    opacity: 0.6;
  }

  /* 进入动画 */
  @keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .fade-up { animation: fadeInUp 0.8s cubic-bezier(0.16,1,0.3,1) both; }

  /* 时间线 */
  .timeline-dot {
    width: 14px; height: 14px; border-radius: 50%;
    background: radial-gradient(circle, #a78bfa, #7c3aed);
    box-shadow: 0 0 0 4px rgba(139,92,246,0.15), 0 0 20px rgba(139,92,246,0.4);
  }

  /* ============ 小α 数字小精灵 ============ */
  .alpha-sprite {
    position: relative;
    width: 220px;
    height: 220px;
    margin: 0 auto;
    animation: sprite-float 6s ease-in-out infinite;
    cursor: grab;
    user-select: none;
    z-index: 10;
  }

  .alpha-sprite:active {
    cursor: grabbing;
  }

  @keyframes sprite-float {
    0%, 100% { transform: translateY(0) rotate(-1deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
  }

  /* 小精灵全界面幽灵跳跃动画 */
  .alpha-sprite.excited {
    animation: sprite-ghost-fly 2s cubic-bezier(0.25, 0.1, 0.25, 1);
  }

  @keyframes sprite-ghost-fly {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); opacity: 1; }
    10% { transform: translate(200px, -150px) scale(1.3) rotate(10deg); opacity: 0.9; }
    25% { transform: translate(-250px, -200px) scale(0.8) rotate(-15deg); opacity: 0.8; }
    40% { transform: translate(300px, -100px) scale(1.2) rotate(20deg); opacity: 0.9; }
    55% { transform: translate(-150px, 50px) scale(0.9) rotate(-10deg); opacity: 0.95; }
    70% { transform: translate(100px, -80px) scale(1.1) rotate(5deg); opacity: 0.9; }
    85% { transform: translate(-50px, -30px) scale(1.05) rotate(0deg); opacity: 0.95; }
    100% { transform: translate(0, 0) scale(1) rotate(0deg); opacity: 1; }
  }

  /* 小精灵的光晕 */
  .sprite-aura {
    position: absolute;
    inset: -30px;
    background: radial-gradient(circle, rgba(167,139,250,0.35) 0%, rgba(56,189,248,0.2) 40%, transparent 70%);
    border-radius: 50%;
    filter: blur(20px);
    animation: aura-pulse 4s ease-in-out infinite;
  }

  @keyframes aura-pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
  }

  /* 小精灵身体 - 半透明球体 */
  .sprite-body {
    position: absolute;
    inset: 20px;
    border-radius: 50%;
    background:
      radial-gradient(circle at 30% 30%, rgba(255,255,255,0.25) 0%, transparent 40%),
      radial-gradient(circle at 70% 70%, rgba(253,164,175,0.15) 0%, transparent 50%),
      linear-gradient(135deg, #c4b5fd 0%, #8b5cf6 35%, #6366f1 65%, #38bdf8 100%);
    box-shadow:
      0 20px 60px rgba(139,92,246,0.4),
      inset 0 2px 10px rgba(255,255,255,0.3),
      inset 0 -10px 20px rgba(124,58,237,0.3);
    animation: body-shimmer 3s ease-in-out infinite;
  }

  @keyframes body-shimmer {
    0%, 100% { filter: hue-rotate(0deg) brightness(1); }
    50% { filter: hue-rotate(15deg) brightness(1.08); }
  }

  /* 小精灵的脸 */
  .sprite-face {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 60px;
  }

  /* 大眼睛 */
  .sprite-eye {
    position: absolute;
    width: 32px;
    height: 36px;
    background: radial-gradient(circle at 35% 30%, #fff 0%, #fff 30%, #1e1b4b 100%);
    border-radius: 50%;
    top: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  }
  .sprite-eye.left { left: 12px; animation: blink-l 4.5s ease-in-out infinite; }
  .sprite-eye.right { right: 12px; animation: blink-r 4.5s ease-in-out infinite; }

  @keyframes blink-l {
    0%, 45%, 55%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(0.1); }
  }
  @keyframes blink-r {
    0%, 43%, 57%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(0.1); }
  }

  /* 眼睛高光 */
  .sprite-eye::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    background: #fff;
    border-radius: 50%;
    top: 8px;
    left: 8px;
    box-shadow: 0 0 6px rgba(255,255,255,0.8);
  }

  /* 腮红 */
  .sprite-cheek {
    position: absolute;
    width: 20px;
    height: 12px;
    background: radial-gradient(circle, rgba(244,114,182,0.7) 0%, rgba(244,114,182,0) 70%);
    border-radius: 50%;
    top: 30px;
  }
  .sprite-cheek.left { left: 0; }
  .sprite-cheek.right { right: 0; }

  /* 小嘴 */
  .sprite-mouth {
    position: absolute;
    top: 32px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 10px;
    border-radius: 0 0 20px 20px;
    border: 2px solid #1e1b4b;
    border-top: 0;
  }

  /* 头顶光环（DID 隐喻） */
  .sprite-halo {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid transparent;
    background: linear-gradient(90deg, #a78bfa, #f9a8d4, #7dd3fc, #a78bfa) border-box;
    background-size: 200% 100%;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    padding: 2px;
    animation: halo-spin 8s linear infinite;
    box-shadow: 0 0 20px rgba(167,139,250,0.5);
  }

  @keyframes halo-spin {
    0% { background-position: 0% 50%; transform: translateX(-50%) rotate(0deg); }
    100% { background-position: 200% 50%; transform: translateX(-50%) rotate(360deg); }
  }

  /* 周围飘浮的小节点（因果图谱） */
  .sprite-node {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: radial-gradient(circle, #f9a8d4, #a78bfa);
    box-shadow: 0 0 10px rgba(249,168,212,0.6);
  }
  .sprite-node.n1 { top: 0; left: 0; animation: node-orbit 7s ease-in-out infinite; }
  .sprite-node.n2 { top: 10%; right: 0; animation: node-orbit 6s ease-in-out infinite reverse; }
  .sprite-node.n3 { bottom: 10%; left: 5%; animation: node-orbit 8s ease-in-out infinite 1s; }
  .sprite-node.n4 { bottom: 0; right: 10%; animation: node-orbit 5s ease-in-out infinite 0.5s; }
  .sprite-node.n5 { top: 40%; right: -15px; animation: node-orbit 7.5s ease-in-out infinite 2s; }
  .sprite-node.n6 { top: 55%; left: -10px; animation: node-orbit 6.5s ease-in-out infinite 1.5s; }

  @keyframes node-orbit {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
    25% { transform: translate(15px, -10px) scale(1.2); opacity: 1; }
    50% { transform: translate(-5px, 15px) scale(0.9); opacity: 0.7; }
    75% { transform: translate(-15px, -5px) scale(1.1); opacity: 0.9; }
  }

  /* 小精灵下方的 AID */
  .sprite-alpha {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #c4b5fd, #8b5cf6, #6366f1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: 'JetBrains Mono', monospace;
    text-shadow: 0 0 20px rgba(139,92,246,0.4);
    opacity: 0.95;
  }

  /* 诗意气泡 - 两侧清晰显示 */
  .sprite-bubble {
    position: fixed;
    font-size: 18px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
    z-index: 1000;
    padding: 8px 16px;
    background: transparent;
    border: none;
    border-radius: 0;
    backdrop-filter: none;
    box-shadow: none;
  }

  .sprite-bubble.visible {
    opacity: 1;
  }

  .bubble-char {
    display: inline-block;
    color: #e2e8f0;
    font-weight: 400;
    animation: char-appear 5s ease-out forwards;
    opacity: 0;
  }

  @keyframes char-appear {
    0% {
      opacity: 0;
      transform: translateX(-20px);
    }
    10% {
      opacity: 1;
      transform: translateX(0);
    }
    70% {
      opacity: 1;
      transform: translateX(0);
    }
    100% {
      opacity: 0;
      transform: translateX(20px);
    }
  }

  /* 涟漪效果 */
  .ripple-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
  }

  .ripple {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(196,181,253,0.3) 0%, rgba(196,181,253,0) 70%);
    transform: scale(0);
    animation: ripple-expand 1s ease-out forwards;
    pointer-events: none;
  }

  @keyframes ripple-expand {
    0% {
      transform: scale(0);
      opacity: 1;
    }
    100% {
      transform: scale(4);
      opacity: 0;
    }
  }

  /* 小精灵害羞效果 */
  .alpha-sprite.shy .sprite-eye {
    transform: scaleY(0.3);
  }

  .alpha-sprite.shy .sprite-cheek {
    background: radial-gradient(circle, rgba(249,168,212,0.8) 0%, rgba(249,168,212,0) 70%);
  }

  /* 小精灵开心旋转 */
  .alpha-sprite.happy {
    animation: happy-spin 0.6s ease-out;
  }

  @keyframes happy-spin {
    0% { transform: rotate(0deg); }
    25% { transform: rotate(15deg); }
    50% { transform: rotate(-15deg); }
    75% { transform: rotate(10deg); }
    100% { transform: rotate(0deg); }
  }

  /* 小精灵睡眠 */
  .alpha-sprite.sleeping .sprite-eye {
    height: 4px;
    transform: translateY(16px);
  }

  /* 引力场效果 */
  .alpha-sprite.attract .sprite-node.n1 { transform: translate(-5px, 3px); }
  .alpha-sprite.attract .sprite-node.n2 { transform: translate(5px, -3px); }
  .alpha-sprite.attract .sprite-node.n3 { transform: translate(-3px, 5px); }
  .alpha-sprite.attract .sprite-node.n4 { transform: translate(3px, -5px); }
  .alpha-sprite.attract .sprite-node.n5 { transform: translate(6px, 2px); }
  .alpha-sprite.attract .sprite-node.n6 { transform: translate(-6px, -2px); }

  /* Hero 区域的亮点徽章行 */
  .highlight-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 12px;
  }

  /* 快速开始命令样式 */
  .cmd-prompt { color: #64748b; }
  .cmd-keyword { color: #34d399; font-weight: 600; }
  .cmd-arg { color: #fbbf24; }
  .cmd-output { color: #94a3b8; }

  /* 对比表格增强 */
  .compare-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(139,92,246,0.12);
  }
  .compare-row:last-child { border-bottom: none; }


  /* ============ 视图面板系统 ============ */
  .view-panel { display: none; }
  .view-panel.active { display: block; }

  /* ============ 注册/登录流程模态框 ============ */
  .reg-overlay {
    position: fixed; inset: 0; background: rgba(10,4,24,0.88);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    z-index: 99999; display: none; align-items: center; justify-content: center; padding: 20px;
  }
  .reg-overlay.active { display: flex; }
  .reg-modal {
    background: linear-gradient(135deg, rgba(30,20,60,0.98) 0%, rgba(15,10,35,0.99) 100%);
    border: 1px solid rgba(139,92,246,0.25); border-radius: 24px;
    padding: 40px 36px; max-width: 440px; width: 100%;
    box-shadow: 0 24px 80px rgba(139,92,246,0.25), 0 0 0 1px rgba(139,92,246,0.1) inset;
    position: relative; overflow: hidden; animation: modalIn 0.3s ease-out;
  }
  @keyframes modalIn { from { opacity: 0; transform: scale(0.95) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }
  .reg-modal::before {
    content: ''; position: absolute; inset: -50%;
    background: radial-gradient(circle at 50% 50%, rgba(139,92,246,0.06) 0%, transparent 60%);
    animation: bg-pulse 4s ease-in-out infinite;
  }
  .reg-steps { display: flex; gap: 8px; justify-content: center; margin-bottom: 28px; position: relative; z-index: 1; }
  .reg-step-dot { width: 32px; height: 4px; border-radius: 2px; background: rgba(139,92,246,0.15); transition: all 0.3s ease; }
  .reg-step-dot.active { background: #7c3aed; width: 40px; }
  .reg-step-dot.done { background: #10b981; }
  .reg-step { display: none; position: relative; z-index: 1; }
  .reg-step.active { display: block; animation: fadeIn 0.3s ease; }
  @keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
  .reg-title { font-size: 1.25rem; font-weight: 700; color: #fff; text-align: center; margin-bottom: 6px; }
  .reg-subtitle { font-size: 0.85rem; color: rgba(148,163,184,0.8); text-align: center; margin-bottom: 24px; }
  .reg-input {
    width: 100%; padding: 14px 16px; background: rgba(255,255,255,0.04);
    border: 1px solid rgba(139,92,246,0.2); border-radius: 12px;
    color: #fff; font-size: 1rem; outline: none; transition: all 0.2s; box-sizing: border-box;
  }
  .reg-input:focus { border-color: rgba(139,92,246,0.6); box-shadow: 0 0 0 3px rgba(139,92,246,0.1); }
  .reg-input::placeholder { color: rgba(148,163,184,0.4); }
  .reg-btn {
    width: 100%; padding: 14px; border-radius: 12px; font-size: 0.95rem; font-weight: 600;
    border: none; cursor: pointer; transition: all 0.2s;
    background: linear-gradient(135deg, #7c3aed, #6d28d9); color: #fff; margin-top: 16px;
  }
  .reg-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(124,58,237,0.3); }
  .reg-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }
  .reg-btn-secondary { background: rgba(255,255,255,0.06); border: 1px solid rgba(139,92,246,0.2); color: rgba(255,255,255,0.8); }
  .reg-btn-secondary:hover { background: rgba(255,255,255,0.1); transform: translateY(-1px); }
  .reg-sms-row { display: flex; gap: 12px; align-items: center; }
  .reg-sms-row .reg-input { flex: 1; }
  .reg-sms-btn {
    flex-shrink: 0; padding: 14px 16px; border-radius: 12px; font-size: 0.85rem; font-weight: 500;
    border: 1px solid rgba(139,92,246,0.3); cursor: pointer; transition: all 0.2s;
    background: rgba(124,58,237,0.15); color: #a78bfa; white-space: nowrap;
  }
  .reg-sms-btn:hover { background: rgba(124,58,237,0.25); }
  .reg-sms-btn:disabled { opacity: 0.4; cursor: not-allowed; }
  .reg-error { color: #ef4444; font-size: 0.8rem; text-align: center; margin-top: 8px; display: none; }
  .reg-error.show { display: block; }
  .reg-loading {
    display: inline-block; width: 18px; height: 18px;
    border: 2px solid rgba(255,255,255,0.2); border-top-color: #fff;
    border-radius: 50%; animation: spin 0.6s linear infinite; margin-right: 8px; vertical-align: middle;
  }
  @keyframes spin { to { transform: rotate(360deg); } }
  .reg-success-icon {
    width: 64px; height: 64px; margin: 0 auto 16px;
    background: linear-gradient(135deg, #10b981, #059669); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 28px;
  }
  .reg-face-btn {
    display: flex; align-items: center; justify-content: center; gap: 12px;
    width: 100%; padding: 20px; border-radius: 16px; font-size: 1rem; font-weight: 600;
    border: 1px solid rgba(22,163,74,0.3); cursor: pointer; transition: all 0.2s;
    background: linear-gradient(135deg, rgba(22,163,74,0.12), rgba(22,163,74,0.06));
    color: #34d399; margin-top: 16px;
  }
  .reg-face-btn:hover {
    background: linear-gradient(135deg, rgba(22,163,74,0.2), rgba(22,163,74,0.1));
    transform: translateY(-1px); box-shadow: 0 8px 24px rgba(22,163,74,0.15);
  }
  .reg-face-btn svg { width: 28px; height: 28px; }
  .reg-api-status { font-size: 0.75rem; color: rgba(148,163,184,0.5); text-align: center; margin-top: 12px; position: relative; z-index: 1; }
  /* ============ Ghost 工作台 ============ */
  .wb-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid rgba(139,92,246,0.15);
    background: rgba(15,10,35,0.6);
    backdrop-filter: blur(16px);
  }
  .wb-sidebar {
    width: 240px;
    border-right: 1px solid rgba(139,92,246,0.15);
    background: rgba(15,10,35,0.4);
    backdrop-filter: blur(12px);
    min-height: calc(100vh - 72px);
    display: flex;
    flex-direction: column;
  }
  .wb-content {
    flex: 1;
    padding: 32px;
    overflow-y: auto;
  }
  .router-node {
    background: rgba(139,92,246,0.08);
    border: 1px solid rgba(139,92,246,0.2);
    border-radius: 12px;
    padding: 16px;
    transition: all 0.3s ease;
  }
  .router-node:hover {
    border-color: rgba(56,189,248,0.4);
    background: rgba(56,189,248,0.06);
    transform: translateY(-2px);
  }
  .router-node.active {
    border-color: rgba(56,189,248,0.5);
    background: rgba(56,189,248,0.1);
    box-shadow: 0 0 20px rgba(56,189,248,0.15);
  }
  .intent-input {
    background: rgba(15,10,35,0.6);
    border: 1px solid rgba(139,92,246,0.25);
    border-radius: 12px;
    padding: 14px 18px;
    color: #e2e8f0;
    font-size: 15px;
    width: 100%;
    outline: none;
    transition: all 0.3s ease;
  }
  .intent-input:focus {
    border-color: rgba(56,189,248,0.5);
    box-shadow: 0 0 0 3px rgba(56,189,248,0.1);
  }
  .intent-input::placeholder { color: #64748b; }

  /* ============ Mindflow 工作台 ============ */
  .mf-canvas {
    background: rgba(10,4,24,0.6);
    border: 1px solid rgba(139,92,246,0.15);
    border-radius: 16px;
    min-height: 500px;
    position: relative;
    overflow: hidden;
  }
  .mf-node {
    position: absolute;
    background: rgba(139,92,246,0.12);
    border: 1px solid rgba(139,92,246,0.3);
    border-radius: 12px;
    padding: 12px 16px;
    cursor: grab;
    transition: all 0.2s ease;
    min-width: 120px;
    text-align: center;
  }
  .mf-node:hover {
    border-color: rgba(56,189,248,0.5);
    box-shadow: 0 4px 20px rgba(56,189,248,0.2);
  }
  .mf-node .node-label {
    font-size: 13px;
    color: #c4b5fd;
    font-weight: 500;
  }