:root{--ink: #1f2933;--muted: #5d6875;--line: #d8e0e7;--paper: #ffffff;--soft: #f3f7f8;--navy: #102b3c;--blue: #00629b;--teal: #1e9e9a;--gold: #f6b34f;--coral: #d85f45;--shadow: 0 18px 45px rgba(31, 41, 51, .12);--radius: 8px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);line-height:1.6}a{color:var(--blue);text-decoration:none}a:hover{color:var(--coral)}img{display:block;max-width:100%}[hidden]{display:none!important}main{min-height:60vh}.container{width:min(1120px,calc(100% - 32px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:20;background:#fffffff5;border-bottom:1px solid var(--line);box-shadow:0 6px 18px #102b3c14;backdrop-filter:blur(12px)}.ieee-bar{display:flex;justify-content:space-between;gap:16px;padding:7px max(16px,calc((100vw - 1120px)/2));color:#fff;background:var(--navy);font-size:.82rem}.ieee-links{display:flex;flex-wrap:wrap;gap:6px 16px}.ieee-bar a{color:#fff}.join-link{white-space:nowrap;font-weight:700}.main-nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;width:min(1120px,calc(100% - 32px));min-height:86px;margin-inline:auto}.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);min-width:220px}.brand:hover{color:var(--ink)}.brand-mark{display:grid;place-items:center;width:58px;height:58px;border-radius:var(--radius);color:#fff;background:var(--blue);font-weight:800;letter-spacing:0}.brand strong,.brand small{display:block}.brand strong{font-size:1.12rem}.brand small{color:var(--muted);font-size:.85rem}.primary-nav>ul{display:flex;align-items:center;gap:2px;margin:0;padding:0;list-style:none}.nav-item{position:relative}.nav-item.has-menu{padding-block:14px;margin-block:-14px}.nav-item>a,.nav-item>button{display:inline-flex;align-items:center;gap:5px;min-height:42px;padding:9px 10px;border:0;color:var(--ink);background:transparent;font:inherit;font-size:.92rem;font-weight:700;cursor:pointer}.nav-item>a.active,.nav-item>button.active,.nav-item>a:hover,.nav-item>button:hover{color:var(--blue)}.dropdown{position:absolute;top:100%;right:0;display:grid;min-width:285px;max-width:min(360px,calc(100vw - 32px));margin:0;padding:8px;list-style:none;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(-6px);transition:opacity .18s ease,transform .18s ease}.dropdown:before{position:absolute;right:0;bottom:100%;left:0;height:14px;content:""}.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;pointer-events:auto;transform:translateY(0)}.dropdown a{display:block;padding:9px 10px;border-radius:6px;color:var(--ink);font-size:.9rem;font-weight:600}.dropdown a:hover,.dropdown a.active{color:var(--blue);background:var(--soft)}.nav-toggle,.nav-toggle-button{display:none}.hero{position:relative;display:grid;align-items:end;min-height:clamp(470px,64vh,720px);overflow:hidden;color:#fff;background:var(--navy)}.hero-carousel,.hero-overlay{position:absolute;inset:0;width:100%;height:100%}.hero-carousel{overflow:hidden}.hero-slide{position:absolute;inset:0;margin:0;opacity:0;transform:scale(1.02);transition:opacity .9s ease,transform 6.5s ease}.hero-slide.active{opacity:1;transform:scale(1)}.hero-slide img{width:100%;height:100%;object-fit:cover}.hero-slide figcaption{position:absolute;left:max(16px,calc((100vw - 1120px)/2));bottom:18px;z-index:2;color:#ffffffd1;font-size:.88rem;text-shadow:0 1px 12px rgba(0,0,0,.6)}.hero-overlay{pointer-events:none;background:linear-gradient(90deg,#102b3ce6,#102b3c80 54%,#102b3c3d),linear-gradient(0deg,#102b3ccc,#102b3c14 45%)}.hero-control{position:absolute;top:50%;z-index:3;display:grid;place-items:center;width:44px;height:44px;border:1px solid rgba(255,255,255,.58);border-radius:50%;color:#fff;background:#102b3c73;font-size:2rem;line-height:1;cursor:pointer;transform:translateY(-50%);transition:background .16s ease,transform .16s ease}.hero-control:hover{background:#102b3cb8;transform:translateY(-50%) scale(1.04)}.hero-control.prev{left:max(16px,calc((100vw - 1120px)/2 - 64px))}.hero-control.next{right:max(16px,calc((100vw - 1120px)/2 - 64px))}.hero-dots{position:absolute;right:max(16px,calc((100vw - 1120px)/2));bottom:22px;z-index:3;display:flex;gap:8px}.hero-dots button{width:10px;height:10px;padding:0;border:1px solid rgba(255,255,255,.85);border-radius:50%;background:transparent;cursor:pointer}.hero-dots button.active{background:var(--gold);border-color:var(--gold)}.hero-content{position:relative;z-index:1;width:min(1120px,calc(100% - 32px));margin:0 auto;padding:0 0 clamp(56px,9vw,96px)}.eyebrow{margin:0 0 10px;color:var(--teal);font-size:.82rem;font-weight:800;letter-spacing:0;text-transform:uppercase}.hero .eyebrow{color:var(--gold)}.hero h1{max-width:850px;margin:0;font-size:clamp(3.4rem,12vw,7rem);line-height:.96;letter-spacing:0}.hero-meta{max-width:720px;margin:22px 0 0;font-size:clamp(1.15rem,2vw,1.45rem);color:#ffffffe6}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:6px;font-weight:800}.button.primary{color:#102b3c;background:var(--gold)}.button.secondary{color:#fff;border:1px solid rgba(255,255,255,.7)}.section{padding:clamp(56px,8vw,88px) 0}.section-muted{background:var(--soft)}.section-header{max-width:780px;margin-bottom:30px}.section-header h2,.speaker-section h2,.committee-list h2{margin:0;font-size:clamp(1.9rem,4vw,2.7rem);line-height:1.12;letter-spacing:0}.section-header p{margin:12px 0 0;color:var(--muted);font-size:1.05rem}.welcome-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,360px);gap:clamp(30px,6vw,70px);align-items:start}.welcome-grid>div>p{max-width:760px;font-size:1.05rem}.info-panel{padding:24px;border:1px solid var(--line);border-top:5px solid var(--teal);border-radius:var(--radius);background:#fff;box-shadow:0 12px 30px #1f293314}.info-panel h2{margin:0 0 18px;font-size:1.3rem}.empty-state{padding:22px;border:1px dashed #b9c7d3;border-radius:var(--radius);background:#ffffffb8}.empty-state p{margin:0;color:var(--muted)}.empty-title{color:var(--ink)!important;font-weight:800}.news-list{display:grid;gap:14px;max-height:340px;overflow-y:auto;padding-right:8px;scrollbar-gutter:stable}.news-list:focus{outline:3px solid rgba(0,97,114,.18);outline-offset:6px}.news-item{padding:20px;border-left:5px solid var(--coral);border-radius:var(--radius);background:#fff}.news-item time{color:var(--muted);font-size:.88rem}.news-item h3{margin:4px 0 0;font-size:1.1rem}.speaker-section+.speaker-section{margin-top:56px}.speaker-grid,.sponsor-grid,.member-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:22px}.speaker-card,.sponsor-card,.member-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff}.speaker-card{overflow:hidden}.speaker-photo{display:grid;place-items:center;aspect-ratio:4 / 3;background:#e8f0f2;color:var(--blue);font-size:2.4rem;font-weight:800}.speaker-photo img{width:100%;height:100%;object-fit:cover}.speaker-card>div:last-child{padding:18px}.speaker-card h3,.member-card h3,.member-card h4{margin:8px 0 6px;font-size:1.2rem}.speaker-card p,.member-card p,.member-card span,.member-card small{margin:0;color:var(--muted)}.talk-title{color:var(--ink)!important;font-weight:800}.speaker-time{margin-top:10px!important;color:var(--coral)!important;font-weight:700}.sponsor-card{display:grid;place-items:center;min-height:130px;padding:22px;text-align:center}.sponsor-card img{max-height:84px;width:auto}.sponsor-card span{font-weight:800}.date-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}.date-list li{display:grid;gap:2px;padding-bottom:12px;border-bottom:1px solid var(--line)}.date-list span{color:var(--muted)}.date-list strong{font-size:1.08rem}.date-list em{color:var(--coral);font-style:normal;font-weight:700}.page-hero{padding:clamp(58px,8vw,92px) 0;color:#fff;background:var(--navy)}.page-hero h1{max-width:920px;margin:0;font-size:clamp(2.35rem,6vw,4.4rem);line-height:1.04;letter-spacing:0}.page-hero p:last-child{max-width:760px;margin:18px 0 0;color:#ffffffdb;font-size:1.12rem}.page-content{max-width:980px}.member-card{display:flex;flex-direction:column;width:100%;min-height:320px;padding:20px}.member-role-list{display:grid;gap:28px;margin-top:22px}.member-role-row{display:grid;gap:14px;padding-top:22px;border-top:1px solid var(--line)}.member-role-row>h3{margin:0;color:var(--teal);font-size:clamp(1.2rem,2.2vw,1.55rem);line-height:1.2;letter-spacing:0}.member-role-row .member-grid{grid-template-columns:repeat(auto-fill,minmax(230px,260px));grid-auto-rows:minmax(320px,1fr);align-items:stretch}.member-photo{display:grid;place-items:center;width:92px;aspect-ratio:1;margin-bottom:14px;overflow:hidden;border:1px solid var(--line);border-radius:50%;color:var(--blue);background:#e8f0f2;font-size:1.6rem;font-weight:800}.member-photo img{width:100%;height:100%;object-fit:cover}.member-card a,.member-card em,.member-card small{display:block;margin-top:6px;overflow-wrap:anywhere}.member-card em{color:var(--coral);font-style:normal;font-weight:700}@media(max-width:620px){.member-role-row .member-grid{grid-template-columns:1fr}}.page-sections{display:grid;gap:34px}.content-section{display:grid;gap:14px}.content-section h2{margin:0;font-size:clamp(1.45rem,3vw,2rem);line-height:1.18;letter-spacing:0}.content-section p{margin:0;color:var(--ink)}.content-section ul{display:grid;gap:8px;margin:0;padding-left:1.2rem}.content-section li::marker{color:var(--teal)}.table-wrap{max-width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}table{width:100%;min-width:640px;border-collapse:collapse;background:#fff}th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{color:#fff;background:var(--navy);font-weight:800}tr:last-child td{border-bottom:0}.site-footer{color:#ffffffdb;background:var(--navy)}.footer-inner{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:30px;width:min(1120px,calc(100% - 32px));margin-inline:auto;padding:44px 0}.site-footer h2{margin:0 0 10px;color:#fff;font-size:1rem}.site-footer p{margin:0 0 8px}.site-footer nav{display:grid;gap:7px}.site-footer a{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:16px;width:min(1120px,calc(100% - 32px));margin-inline:auto;padding:16px 0 22px;border-top:1px solid rgba(255,255,255,.18);font-size:.86rem}@media(max-width:980px){.main-nav-wrap{min-height:74px}.nav-toggle-button{display:grid;gap:5px;width:42px;padding:10px;border:1px solid var(--line);border-radius:6px;cursor:pointer}.nav-toggle-button span{display:block;height:2px;background:var(--ink)}.primary-nav{position:absolute;left:16px;right:16px;top:calc(100% + 8px);display:none;max-height:calc(100vh - 140px);overflow:auto;padding:10px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}.nav-toggle:checked~.primary-nav{display:block}.primary-nav>ul{display:grid;align-items:stretch}.nav-item>a,.nav-item>button{width:100%;justify-content:space-between}.dropdown{position:static;display:grid;max-width:none;min-width:0;margin:0 0 8px 10px;padding:0 0 0 10px;border:0;border-left:2px solid var(--line);border-radius:0;box-shadow:none;opacity:1;pointer-events:auto;transform:none}.welcome-grid,.footer-inner{grid-template-columns:1fr}}@media(max-width:680px){.ieee-bar{display:none}.brand{min-width:0}.brand-mark{width:48px;height:48px}.brand strong{font-size:1rem}.brand small{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hero{min-height:520px}.hero-control{display:none}.hero-slide figcaption,.hero-dots{bottom:12px}.hero h1{font-size:clamp(3.2rem,18vw,5.5rem)}.hero-actions,.footer-bottom{flex-direction:column}}