*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --c1:#6c5ce7;--c2:#a29bfe;--c3:#00cec9;--c4:#fd79a8;--c5:#fdcb6e;
  --bg:#0a0a1a;--card:rgba(255,255,255,.06);--glass:rgba(255,255,255,.08);
  --text:#f0f0f5;--sub:rgba(240,240,245,.6);--radius:20px;
}
html{scroll-behavior:smooth;scroll-snap-type:y mandatory;overflow-x:hidden}
body{font-family:'Inter','Noto Sans SC',system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;overflow-x:hidden}

/* 粒子 */
#particles{position:fixed;inset:0;z-index:0;pointer-events:none}

/* 进度条 */
#progress{position:fixed;top:0;left:0;width:100%;height:3px;z-index:100;background:rgba(255,255,255,.1)}
#progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--c1),var(--c3),var(--c4));transition:width .15s}

/* 导航点 */
#dots{position:fixed;right:24px;top:50%;transform:translateY(-50%);z-index:100;display:flex;flex-direction:column;gap:12px}
.dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.25);cursor:pointer;transition:.3s}
.dot.active{background:var(--c3);box-shadow:0 0 12px var(--c3)}

/* Slide通用 */
.slide{min-height:100vh;scroll-snap-align:start;position:relative;display:flex;align-items:center;justify-content:center;padding:60px 24px;overflow:hidden}
.slide::before{content:'';position:absolute;inset:0;z-index:0}
.slide[data-theme="dark"]::before{background:radial-gradient(ellipse at 50% 0%,rgba(108,92,231,.15),transparent 60%)}
.slide[data-theme="gradient1"]::before{background:linear-gradient(135deg,#0a0a1a 0%,#1a1040 50%,#0d1f3c 100%)}
.slide[data-theme="gradient2"]::before{background:linear-gradient(135deg,#0a0a1a 0%,#1a0030 50%,#0a1a2a 100%)}
.slide[data-theme="gradient3"]::before{background:linear-gradient(135deg,#0a0a1a 0%,#001a1a 50%,#0a1a0a 100%)}
.slide[data-theme="gradient4"]::before{background:linear-gradient(135deg,#0a0a1a 0%,#1a0a2a 50%,#2a0a1a 100%)}
.slide[data-theme="gradient5"]::before{background:linear-gradient(135deg,#0a0a1a 0%,#0a1a2a 50%,#1a2a0a 100%)}
.slide[data-theme="gradient6"]::before{background:linear-gradient(135deg,#0a0a1a 0%,#2a1a0a 50%,#0a0a1a 100%)}
.slide-inner{position:relative;z-index:1;max-width:1200px;width:100%}

/* Hero */
.hero-content{position:relative;z-index:1;text-align:center;width:100%;max-width:800px;padding:0 16px}
.hero-date{font-size:1.2rem;letter-spacing:.3em;text-transform:uppercase;color:var(--c3);margin-bottom:1rem;opacity:0;animation:fadeUp .8s .2s forwards}
.hero-title{font-size:clamp(3rem,8vw,7rem);font-weight:900;line-height:1.1;background:linear-gradient(135deg,#fff 0%,var(--c2) 50%,var(--c3) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;opacity:0;animation:fadeUp .8s .4s forwards}
.hero-sub-big{font-size:clamp(1.5rem,4vw,2.5rem);color:var(--sub);margin-top:.5rem;font-weight:300;letter-spacing:.15em;opacity:0;animation:fadeUp .8s .5s forwards}
.hero-sub{font-size:clamp(1rem,2.5vw,1.4rem);color:var(--sub);margin-top:1rem;opacity:0;animation:fadeUp .8s .6s forwards}
.scroll-hint{margin-top:3rem;display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--sub);font-size:.85rem;opacity:0;animation:fadeUp .8s .8s forwards}
.scroll-arrow{width:24px;height:24px;border-right:2px solid var(--sub);border-bottom:2px solid var(--sub);transform:rotate(45deg);animation:bounce 2s infinite}

/* Glitch */
.glitch{position:relative}
.glitch::before,.glitch::after{content:attr(data-text);position:absolute;left:0;top:0;width:100%;height:100%;background:transparent}
.glitch::before{-webkit-text-fill-color:var(--c4);clip-path:polygon(0 0,100% 0,100% 33%,0 33%);animation:glitch1 3s infinite}
.glitch::after{-webkit-text-fill-color:var(--c3);clip-path:polygon(0 66%,100% 66%,100% 100%,0 100%);animation:glitch2 3s infinite}

/* Section titles */
.section-title{font-size:clamp(2rem,5vw,3.5rem);font-weight:800;text-align:center;margin-bottom:.5rem}
.section-sub{text-align:center;color:var(--sub);font-size:1.1rem;margin-bottom:3rem}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.stat-card{background:var(--card);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:32px 24px;text-align:center;position:relative;overflow:hidden;opacity:0;transform:translateY(40px);transition:all .6s cubic-bezier(.4,0,.2,1)}
.stat-card.visible{opacity:1;transform:translateY(0)}
.stat-card::before{content:'';position:absolute;inset:-2px;border-radius:var(--radius);background:linear-gradient(135deg,var(--c1),var(--c3));opacity:0;transition:opacity .3s;z-index:-1}
.stat-card:hover::before{opacity:1}
.stat-card:hover{border-color:transparent;transform:translateY(-4px) scale(1.02)}
.stat-number{font-size:3.5rem;font-weight:900;background:linear-gradient(135deg,var(--c2),var(--c3));-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2}
.stat-sub{color:var(--sub);font-size:.72rem;margin-top:.3rem;opacity:.7}
.stat-label{color:var(--sub);margin-top:.5rem;font-size:.95rem}
.stat-icon{position:absolute;top:16px;right:16px;font-size:1.8rem;opacity:.3}

/* 横向卡片滚动 */
.card-scroll{display:flex;gap:24px;overflow-x:auto;padding:8px 4px 24px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.card-scroll::-webkit-scrollbar{display:none}
.project-card{flex:0 0 340px;scroll-snap-align:start;background:var(--card);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:28px;position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s}
.project-card:hover{transform:translateY(-6px)}
.project-card h3{font-size:1.5rem;font-weight:800;margin-bottom:.5rem}
.project-card .card-tech{color:var(--c3);font-size:.85rem;margin-bottom:1rem;font-weight:600}
.project-card ul{list-style:none;display:flex;flex-direction:column;gap:6px}
.project-card li{font-size:.9rem;color:var(--sub);padding-left:1.2rem;position:relative}
.project-card li::before{content:'▸';position:absolute;left:0;color:var(--c2)}
.card-badge{position:absolute;top:16px;right:16px;background:linear-gradient(135deg,var(--c4),#e84393);color:#fff;font-size:.75rem;font-weight:700;padding:4px 12px;border-radius:20px}
.glow-purple{box-shadow:0 0 40px rgba(108,92,231,.15)}
.glow-purple:hover{box-shadow:0 0 60px rgba(108,92,231,.3)}
.glow-blue{box-shadow:0 0 40px rgba(0,206,201,.12)}
.glow-blue:hover{box-shadow:0 0 60px rgba(0,206,201,.25)}
.glow-green{box-shadow:0 0 40px rgba(0,184,148,.12)}
.glow-green:hover{box-shadow:0 0 60px rgba(0,184,148,.25)}
.glow-orange{box-shadow:0 0 40px rgba(253,203,110,.12)}
.glow-orange:hover{box-shadow:0 0 60px rgba(253,203,110,.25)}
.glow-pink{box-shadow:0 0 40px rgba(253,121,168,.12)}
.glow-pink:hover{box-shadow:0 0 60px rgba(253,121,168,.25)}

/* Timeline */
.timeline{position:relative;padding:20px 0}
.timeline::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,transparent,var(--c2),var(--c3),transparent);transform:translateX(-50%)}
.tl-item{display:flex;align-items:flex-start;margin-bottom:40px;opacity:0;transform:translateX(-40px);transition:all .6s cubic-bezier(.4,0,.2,1)}
.tl-item[data-side="right"]{flex-direction:row-reverse;transform:translateX(40px)}
.tl-item.visible{opacity:1;transform:translateX(0)}
.tl-dot{flex-shrink:0;width:16px;height:16px;border-radius:50%;background:var(--c3);border:3px solid var(--bg);box-shadow:0 0 12px var(--c3);margin:0 24px;position:relative;z-index:2}
.tl-content{flex:1;max-width:45%;background:var(--card);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:20px 24px}
.tl-content h4{font-size:1.15rem;font-weight:700;margin-bottom:.4rem}
.tl-content p{font-size:.9rem;color:var(--sub)}

/* AI Grid */
.ai-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.ai-card{background:var(--card);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:32px 24px;text-align:center;opacity:0;transform:scale(.9);transition:all .5s cubic-bezier(.4,0,.2,1)}
.ai-card.visible{opacity:1;transform:scale(1)}
.ai-card:hover{border-color:var(--c2);transform:translateY(-4px) scale(1.02)}
.ai-icon{font-size:3rem;margin-bottom:1rem}
.ai-stat{font-size:1.8rem;font-weight:800;background:linear-gradient(135deg,var(--c5),var(--c4));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin:.5rem 0}

/* Infra */
.infra-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.infra-card{background:var(--card);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:24px;opacity:0;transform:translateY(30px);transition:all .5s}
.infra-card.visible{opacity:1;transform:translateY(0)}
.infra-card:hover{border-color:var(--c3)}
.infra-card.big{grid-column:1/-1;background:linear-gradient(135deg,rgba(108,92,231,.1),rgba(0,206,201,.1))}
.infra-badge{display:inline-block;background:linear-gradient(135deg,var(--c1),var(--c3));color:#fff;font-size:.75rem;font-weight:700;padding:4px 14px;border-radius:20px;margin-bottom:12px}
.infra-card h4{font-size:1.2rem;font-weight:700;margin-bottom:.5rem}
.infra-card p{font-size:.9rem;color:var(--sub)}
.infra-features{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.infra-features span{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:4px 12px;font-size:.82rem;color:var(--c3)}

/* WX Grid */
.wx-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.wx-card{background:var(--card);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:24px;opacity:0;transform:translateY(30px);transition:all .5s}
.wx-card.visible{opacity:1;transform:translateY(0)}
.wx-card:hover{border-color:var(--c5);transform:translateY(-4px)}
.wx-card h4{font-size:1.1rem;font-weight:700;margin-bottom:.5rem}
.wx-card p{font-size:.88rem;color:var(--sub)}

/* Game 3x3 Grid */
.slide-tall{min-height:auto;padding:80px 24px}
.game-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.game-card{background:var(--card);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:24px;position:relative;overflow:hidden;opacity:0;transform:translateY(30px);transition:all .5s cubic-bezier(.4,0,.2,1)}
.game-card.visible{opacity:1;transform:translateY(0)}
.game-card:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.15)}
.game-icon{font-size:2.5rem;margin-bottom:.5rem}
.game-card h3{font-size:1.25rem;font-weight:800;margin-bottom:.3rem}
.game-card .card-tech{color:var(--c3);font-size:.8rem;margin-bottom:.8rem;font-weight:600}
.game-card ul{list-style:none;display:flex;flex-direction:column;gap:4px}
.game-card li{font-size:.82rem;color:var(--sub);padding-left:1rem;position:relative}
.game-card li::before{content:'▸';position:absolute;left:0;color:var(--c2)}
.game-card .card-badge{position:absolute;top:12px;right:12px;background:linear-gradient(135deg,var(--c4),#e84393);color:#fff;font-size:.7rem;font-weight:700;padding:3px 10px;border-radius:16px}
.glow-cyan{box-shadow:0 0 40px rgba(0,206,201,.12)}.glow-cyan:hover{box-shadow:0 0 60px rgba(0,206,201,.25)}
.glow-yellow{box-shadow:0 0 40px rgba(253,203,110,.12)}.glow-yellow:hover{box-shadow:0 0 60px rgba(253,203,110,.25)}
.glow-teal{box-shadow:0 0 40px rgba(0,184,148,.12)}.glow-teal:hover{box-shadow:0 0 60px rgba(0,184,148,.25)}
.glow-violet{box-shadow:0 0 40px rgba(162,155,254,.12)}.glow-violet:hover{box-shadow:0 0 60px rgba(162,155,254,.25)}

/* WX Bot Detail */
.wx-card-big{grid-column:1/-1}
.wx-detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:12px}
.wx-detail{background:rgba(255,255,255,.04);border-radius:12px;padding:14px}
.wx-detail p{font-size:.85rem;color:var(--sub);margin-top:6px}
.wx-tag{display:inline-block;background:linear-gradient(135deg,var(--c1),var(--c3));color:#fff;font-size:.7rem;font-weight:700;padding:2px 10px;border-radius:10px}

/* Lesson Grid */
.lesson-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}
.lesson-card{background:var(--card);backdrop-filter:blur(20px);border-radius:16px;padding:20px 22px;border-left:4px solid transparent;opacity:0;transform:translateY(30px);transition:all .5s}
.lesson-card.visible{opacity:1;transform:translateY(0)}
.lesson-card:hover{transform:translateY(-4px)}
.lesson-bad{border-left-color:#e74c3c;background:rgba(231,76,60,.06)}
.lesson-good{border-left-color:#2ecc71;background:rgba(46,204,113,.06)}
.lesson-insight{border-left-color:var(--c2);background:rgba(162,155,254,.06);grid-column:1/-1}
.lesson-tag{display:inline-block;font-size:.7rem;font-weight:700;padding:2px 10px;border-radius:10px;margin-bottom:8px;color:#fff}
.tag-red{background:#e74c3c}.tag-orange{background:#e67e22}.tag-green{background:#2ecc71}.tag-blue{background:var(--c2)}
.lesson-card h4{font-size:1.05rem;font-weight:700;margin-bottom:6px}
.lesson-card p{font-size:.85rem;color:var(--sub);line-height:1.5}
.lesson-rule{margin-top:10px;font-size:.82rem;color:var(--c3);font-weight:600;padding:8px 12px;background:rgba(0,206,201,.08);border-radius:8px}
.insight-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.insight-list span{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:4px 12px;font-size:.8rem;color:var(--sub)}

/* Animations */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes bounce{0%,20%,50%,80%,100%{transform:rotate(45deg) translateY(0)}40%{transform:rotate(45deg) translateY(-8px)}60%{transform:rotate(45deg) translateY(-4px)}}
@keyframes glitch1{0%,100%{transform:translate(0)}20%{transform:translate(-2px,2px)}40%{transform:translate(2px,-1px)}60%{transform:translate(-1px,1px)}}
@keyframes glitch2{0%,100%{transform:translate(0)}20%{transform:translate(2px,-2px)}40%{transform:translate(-2px,1px)}60%{transform:translate(1px,-1px)}}

/* Mobile */
@media(max-width:768px){
  html{scroll-snap-type:none}
  .slide{padding:40px 16px;min-height:auto}
  .slide.hero{min-height:100vh;display:flex;align-items:center;justify-content:center}
  .slide-tall{padding:50px 16px;min-height:auto}
  .hero-content{text-align:center;padding:0 8px}
  .hero-title{font-size:clamp(2.2rem,10vw,3.5rem)!important}
  .hero-sub-big{font-size:clamp(1.2rem,5vw,1.8rem)!important}
  .hero-sub{font-size:clamp(.9rem,3.5vw,1.1rem)!important}
  .hero-date{font-size:1rem;letter-spacing:.2em}
  .scroll-hint{bottom:-50px}
  .section-title{font-size:clamp(1.6rem,6vw,2.2rem)}
  .section-sub{font-size:.95rem;margin-bottom:2rem}
  .game-grid{grid-template-columns:1fr 1fr;gap:10px}
  .game-card{padding:14px}
  .game-icon{font-size:1.8rem;margin-bottom:.3rem}
  .game-card h3{font-size:1rem}
  .game-card .card-tech{font-size:.7rem;margin-bottom:.5rem}
  .game-card li{font-size:.72rem;padding-left:.8rem}
  .game-card .card-badge{font-size:.6rem;padding:2px 8px;top:8px;right:8px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:10px}
  .stat-card{padding:18px 14px}
  .stat-number{font-size:2.2rem}
  .stat-label{font-size:.82rem}
  .stat-sub{font-size:.65rem}
  .stat-icon{font-size:1.4rem;top:10px;right:10px}
  .timeline::before{left:20px}
  .tl-item,.tl-item[data-side="right"]{flex-direction:row}
  .tl-content{max-width:calc(100% - 56px)}
  .tl-dot{margin:0 10px;width:12px;height:12px}
  .ai-grid{grid-template-columns:1fr 1fr;gap:12px}
  .ai-icon{font-size:2rem}
  .ai-stat{font-size:1.3rem}
  .ai-card p{font-size:.8rem}
  .infra-grid{grid-template-columns:1fr;gap:12px}
  .infra-card.big{grid-column:1}
  .wx-grid{grid-template-columns:1fr;gap:12px}
  .wx-detail-grid{grid-template-columns:1fr 1fr}
  .lesson-grid{grid-template-columns:1fr;gap:12px}
  .lesson-insight{grid-column:1}
  .insight-list span{font-size:.72rem;padding:3px 8px}
  #dots{right:8px;gap:6px}
  .dot{width:7px;height:7px}
}
@media(max-width:380px){
  .game-grid{grid-template-columns:1fr;gap:10px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .ai-grid{grid-template-columns:1fr}
  .wx-detail-grid{grid-template-columns:1fr}
  .stat-number{font-size:2rem}
  .hero-title{font-size:2rem!important}
}

/* Reduced motion */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:0.01ms!important;transition-duration:0.01ms!important}
}