:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fc;--bg-tertiary: #eef1f6;--bg-card: #ffffff;--bg-card-hover: #f0f4ff;--bg-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--text-primary: #1a1a2e;--text-secondary: #4a4a6a;--text-tertiary: #7a7a9a;--text-on-hero: #ffffff;--text-accent: #5b5ea6;--accent-primary: #667eea;--accent-secondary: #764ba2;--accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--border-color: #e2e8f0;--border-light: #f0f0f5;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--shadow-md: 0 4px 14px rgba(0, 0, 0, .08);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .1);--shadow-card: 0 2px 12px rgba(0, 0, 0, .06);--nav-bg: rgba(255, 255, 255, .85);--nav-border: rgba(226, 232, 240, .8);--badge-bg: rgba(102, 126, 234, .1);--badge-text: #5b5ea6;--timeline-line: #e2e8f0;--timeline-dot: #667eea;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", monospace;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--transition: .3s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--bg-primary: #0f0f1a;--bg-secondary: #161625;--bg-tertiary: #1e1e32;--bg-card: #1a1a2e;--bg-card-hover: #252542;--bg-hero: linear-gradient(135deg, #1a1a3e 0%, #2d1b4e 100%);--text-primary: #e8e8f0;--text-secondary: #a8a8c0;--text-tertiary: #6a6a8a;--text-accent: #8b8ef0;--accent-primary: #7b8ef8;--accent-secondary: #9b6bd6;--border-color: #2a2a45;--border-light: #1f1f35;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 14px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .5);--shadow-card: 0 2px 12px rgba(0, 0, 0, .3);--nav-bg: rgba(15, 15, 26, .9);--nav-border: rgba(42, 42, 69, .8);--badge-bg: rgba(123, 142, 248, .15);--badge-text: #8b8ef0;--timeline-line: #2a2a45;--timeline-dot: 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span{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-links{display:flex;align-items:center;gap:2px;list-style:none}.nav-links a{padding:6px 10px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.82rem;font-weight:500;transition:all var(--transition);white-space:nowrap}.nav-links a:hover,.nav-links a.active{color:var(--text-primary);background:var(--bg-tertiary)}.theme-toggle{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:8px 12px;cursor:pointer;color:var(--text-secondary);font-size:1.1rem;transition:all var(--transition);display:flex;align-items:center;justify-content:center}.theme-toggle:hover{background:var(--bg-card-hover);color:var(--text-primary)}.mobile-menu-btn{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer;padding:4px}.hero{background:var(--bg-hero);padding:160px 24px 120px;text-align:center;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");opacity:.4}.hero:after{content:"";position:absolute;bottom:0;left:0;right:0;height:80px;background:linear-gradient(to top,var(--bg-primary),transparent);pointer-events:none}.hero-content{max-width:900px;margin:0 auto;position:relative;z-index:1}.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#ffffff26;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:100px;padding:8px 20px;font-size:.85rem;font-weight:500;color:#fffffff2;margin-bottom:28px;letter-spacing:.05em}.hero-badge-dot{width:8px;height:8px;border-radius:50%;background:#4ade80;animation:pulse-dot 2s ease-in-out infinite}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.8)}}.hero h1{font-size:clamp(2.4rem,5vw,3.8rem);font-weight:800;color:var(--text-on-hero);line-height:1.1;margin-bottom:20px;letter-spacing:-.03em}.hero-subtitle{font-size:clamp(1.05rem,2vw,1.3rem);color:#fffc;margin-bottom:16px;font-weight:400;line-height:1.5;max-width:700px;margin-left:auto;margin-right:auto}.hero-meta{display:flex;align-items:center;justify-content:center;gap:32px;flex-wrap:wrap;margin-top:36px}.hero-meta-item{display:flex;align-items:center;gap:8px;color:#ffffffe6;font-size:.95rem;font-weight:500}.hero-meta-icon{font-size:1.1rem}.hero-actions{display:flex;gap:16px;justify-content:center;margin-top:44px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;cursor:pointer;transition:all var(--transition);border:none;text-decoration:none}.btn-primary{background:#fff;color:#1a1a2e}.btn-primary:hover{background:#f0f0ff;transform:translateY(-2px);box-shadow:0 8px 25px 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auto}.about-text{font-size:1rem;color:var(--text-secondary);line-height:1.8;max-width:820px;margin:0 auto}.about-text p+p{margin-top:16px}.about-highlights{display:grid;grid-template-columns:1fr 1fr;gap:16px}.highlight-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:20px 24px;display:flex;align-items:flex-start;gap:16px;transition:all var(--transition);box-shadow:var(--shadow-sm)}.highlight-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--accent-primary)}.highlight-icon{font-size:1.4rem;flex-shrink:0;margin-top:2px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--badge-bg);border-radius:var(--radius-sm)}.highlight-card h4{font-size:.92rem;font-weight:600;color:var(--text-primary);margin-bottom:4px}.highlight-card 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h3{font-size:1.05rem;font-weight:600;color:var(--text-primary);margin-bottom:8px;line-height:1.3}.topic-card p{font-size:.88rem;color:var(--text-secondary);line-height:1.6;flex:1}.people-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;max-width:960px;margin:0 auto}.person-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:28px 18px 24px;text-align:center;transition:all var(--transition);box-shadow:var(--shadow-card);display:flex;flex-direction:column;align-items:center;position:relative}.person-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.person-photo{width:110px;height:110px;border-radius:50%;margin:0 auto 18px;overflow:hidden;border:3px solid var(--border-color);transition:border-color var(--transition);background:var(--bg-tertiary)}.person-card:hover .person-photo{border-color:var(--accent-primary)}.person-photo img{width:100%;height:100%;object-fit:cover}.person-photo-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:600;color:var(--accent-primary);background:var(--badge-bg);letter-spacing:.02em}.person-name{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:2px}.person-tentative{font-size:.72rem;color:var(--accent-primary);font-weight:500;font-style:italic;margin-bottom:4px}.person-role{font-size:.82rem;color:var(--text-secondary);margin-bottom:2px;line-height:1.4}.person-affiliation{font-size:.8rem;color:var(--text-tertiary);line-height:1.4;font-weight:500}.person-domain{font-size:.75rem;color:var(--accent-primary);font-style:italic;margin-top:4px;line-height:1.3}.person-bio{display:none;position:absolute;bottom:100%;left:50%;transform:translate(-50%);width:280px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px;font-size:.78rem;color:var(--text-secondary);line-height:1.6;text-align:left;box-shadow:var(--shadow-lg);z-index:100;margin-bottom:8px}.person-bio:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border:6px solid transparent;border-top-color:var(--border-color)}.person-card:hover .person-bio{display:block}.person-link-wrapper{margin-top:auto;padding-top:16px}.person-link{display:inline-flex;align-items:center;gap:4px;font-size:.8rem;color:var(--accent-primary);font-weight:500;padding:6px 14px;border-radius:100px;background:var(--badge-bg);transition:all var(--transition)}.person-link:hover{color:var(--accent-secondary);background:#667eea2e}.timeline{max-width:700px;margin:0 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var(--transition)}.timeline-content:hover{box-shadow:var(--shadow-md);border-color:var(--accent-primary)}.timeline-date{font-family:var(--font-mono);font-size:.82rem;font-weight:500;color:var(--accent-primary);margin-bottom:4px}.timeline-label{font-size:1rem;font-weight:600;color:var(--text-primary)}.timeline-note{font-size:.83rem;color:var(--text-tertiary);margin-top:4px}.submission-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:40px;box-shadow:var(--shadow-md);text-align:center;max-width:780px;margin:0 auto}.submission-card h3{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-bottom:16px}.submission-card>p{color:var(--text-secondary);line-height:1.7;margin-bottom:12px;font-size:1rem}.submission-details{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:28px 0;text-align:left}.submission-detail{background:var(--bg-secondary);border-radius:var(--radius-md);padding:20px;border:1px solid var(--border-light)}.submission-detail h4{font-size:.78rem;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}.submission-detail p{font-size:.95rem;color:var(--text-primary);font-weight:500}.btn-submit{display:inline-flex;align-items:center;gap:8px;padding:16px 40px;background:var(--accent-gradient);color:#fff;border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition);text-decoration:none;margin-top:16px}.btn-submit:hover{transform:translateY(-2px);box-shadow:0 8px 25px #667eea59;color:#fff}.schedule-table{width:100%;max-width:800px;margin:0 auto;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}.schedule-row{display:grid;grid-template-columns:200px 1fr;border-bottom:1px solid var(--border-color);transition:background 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h1{font-size:1.8rem}.hero-meta{flex-direction:column;gap:12px}.about-content{gap:28px}.about-highlights,.topics-grid{grid-template-columns:1fr}.people-grid{grid-template-columns:repeat(2,1fr);gap:16px}.person-card{padding:24px 16px}.person-photo{width:80px;height:80px}.section{padding:52px 20px}.submission-card{padding:32px 24px}.submission-details{grid-template-columns:1fr}.schedule-row{grid-template-columns:140px 1fr}.schedule-time{padding:12px 14px;font-size:.76rem}.schedule-event{padding:12px 14px}.timeline:before{left:14px}.timeline-dot{left:8px}}@media(max-width:480px){.hero-actions{flex-direction:column;align-items:center}.btn{width:100%;justify-content:center}.people-grid{grid-template-columns:1fr 1fr}.schedule-row{grid-template-columns:120px 1fr}}.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s ease-out,transform .6s ease-out}.sponsor-note{background:var(--bg-card);border:1px solid 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var(--accent-primary);border-radius:var(--radius-md);transition:var(--transition)}.contact-email:hover{background:var(--accent-primary);color:#fff}.hero-title-oneline{font-size:clamp(1.4rem,3vw,2.6rem);font-weight:800;color:var(--text-on-hero);line-height:1.2;letter-spacing:-.01em;margin:0 auto 24px;max-width:100%;padding:0;white-space:normal}.cfp-subheading{font-size:1.6rem;font-weight:800;color:var(--text-primary);margin-top:48px;margin-bottom:8px;text-align:center;letter-spacing:-.01em}.cfp-sub-desc{text-align:center;color:var(--text-secondary);margin-bottom:28px;max-width:820px;margin-left:auto;margin-right:auto}.section{padding:48px 32px}.container{max-width:1320px;padding:0}.about-content,.about-text{max-width:100%}.section-description{max-width:980px}.people-grid,.schedule-table,.timeline,.contact-card,.sponsor-note,.submission-card{max-width:100%;margin-left:0;margin-right:0}.submission-card{padding:32px 36px;text-align:left}.submission-card h3{text-align:left}.submission-details{grid-template-columns:repeat(4,1fr);gap:14px}.people-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.topic-card{height:100%}.schedule-table{max-width:900px;margin:0 auto}.schedule-row{grid-template-columns:220px 1fr}.hero-content{max-width:1280px}.hero{padding:110px 32px 70px}.cfp-guidelines{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:28px 32px;margin-bottom:24px;box-shadow:var(--shadow-sm)}.cfp-guidelines>p{color:var(--text-secondary);line-height:1.7;margin-bottom:14px}.cfp-guidelines ul{list-style:disc;padding-left:22px;color:var(--text-secondary);line-height:1.7}.cfp-guidelines ul li{margin-bottom:10px}.cfp-guidelines ul li strong{color:var(--text-primary)}.cfp-guidelines a{color:var(--accent-primary);text-decoration:underline}@media(max-width:900px){.submission-details{grid-template-columns:1fr 1fr}}@media(max-width:640px){.submission-details{grid-template-columns:1fr}.container{padding:0 14px}.section{padding:40px 12px}.submission-card{padding:24px 18px}}:root{--hero-grad: radial-gradient(1200px 600px at 15% 10%, rgba(123,142,248,.55), transparent 60%), radial-gradient(900px 500px at 85% 90%, rgba(168,85,247,.45), transparent 60%), linear-gradient(135deg, #4c4fd6 0%, #6b3fc4 50%, #2b1f6b 100%)}.hero{background:var(--hero-grad);padding:130px 32px 100px}.hero:before{opacity:.6}.hero:after{height:120px}.hero-content:before,.hero-content:after{content:"";position:absolute;border-radius:50%;filter:blur(60px);pointer-events:none;z-index:-1}.hero-content:before{width:320px;height:320px;background:#ffc8642e;top:-80px;left:-120px;animation:float-orb 14s ease-in-out infinite}.hero-content:after{width:280px;height:280px;background:#78c8ff2e;bottom:-60px;right:-100px;animation:float-orb 18s ease-in-out infinite reverse}@keyframes float-orb{0%,to{transform:translate(0) scale(1)}50%{transform:translate(20px,-20px) scale(1.08)}}.hero-title-oneline{background:linear-gradient(135deg,#fff,#e2e0ff);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 2px 30px rgba(0,0,0,.15);font-weight:850}.section-title{font-size:clamp(1.9rem,3.4vw,2.6rem)!important;font-weight:800!important;letter-spacing:-.025em!important;background:linear-gradient(135deg,var(--text-primary) 0%,var(--accent-secondary) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}[data-theme=dark] .section-title{background:linear-gradient(135deg,#fff,#b8b6ff);-webkit-background-clip:text;background-clip:text;color:transparent}.section-label{text-transform:uppercase;font-size:.75rem!important;letter-spacing:.18em!important;font-weight:700!important;color:var(--accent-primary)!important;background:var(--badge-bg);display:inline-block;padding:6px 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.person-photo{transform:scale(1.04);box-shadow:0 8px 24px #667eea47}.person-name{font-weight:700!important;letter-spacing:-.01em}.cfp-guidelines{border-left:4px solid var(--accent-primary);padding:26px 32px 26px 30px!important;background:linear-gradient(180deg,var(--bg-card) 0%,var(--bg-secondary) 200%)}.cfp-subheading{display:inline-block;position:relative;padding-bottom:8px}.cfp-subheading:after{content:"";display:block;width:56px;height:3px;background:var(--accent-gradient);border-radius:3px;margin:8px auto 0}.submission-card{background:linear-gradient(180deg,var(--bg-card) 0%,var(--bg-secondary) 200%);border-left:4px solid var(--accent-primary)}.submission-detail{border-radius:14px;background:var(--bg-card)!important;border:1px solid var(--border-light);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.submission-detail:hover{transform:translateY(-2px);border-color:var(--accent-primary);box-shadow:0 8px 24px #667eea1f}.submission-detail h4{color:var(--accent-primary)!important}.schedule-table{overflow:hidden;border-radius:18px}.schedule-row{transition:background .2s ease}.schedule-row:hover .schedule-event-title{color:var(--accent-primary)}.schedule-time{font-weight:600!important}.timeline-dot{box-shadow:0 0 0 4px var(--bg-secondary),0 0 0 5px var(--border-color)}.timeline-dot.highlight{background:var(--accent-gradient);box-shadow:0 0 0 4px var(--bg-secondary),0 0 0 5px var(--accent-primary),0 0 24px #667eea73}.btn-primary{background:linear-gradient(135deg,#fff,#f0f0ff)!important;color:var(--accent-secondary)!important;box-shadow:0 8px 24px #0000002e,0 0 0 1px #ffffff4d;font-weight:700!important}.btn-primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 14px 32px #00000040}.btn-outline{border:1.5px solid 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ease;transform:translate(-50%)}.nav-links a:hover:after,.nav-links a.active:after{width:80%}.section-alt{background:linear-gradient(180deg,var(--bg-secondary) 0%,var(--bg-tertiary) 100%);position:relative}.fade-in{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}.fade-in.visible{opacity:1;transform:translateY(0)}.footer{background:linear-gradient(180deg,var(--bg-secondary) 0%,var(--bg-tertiary) 100%);border-top:1px solid var(--border-color)}.footer-brand span{background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-meta-item{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.18);border-radius:100px;padding:10px 18px;color:#fffffff2;font-size:.9rem;font-weight:500}.highlight-card{background:linear-gradient(135deg,var(--bg-card) 0%,var(--bg-secondary) 100%);transition:transform .25s ease,box-shadow .25s ease,border-color .25s 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