:root{--bg:#050505;--deep:#090907;--surface:#10100e;--surface2:#171611;--title:#fff8e7;--text:#e7e0cf;--muted:#aaa18d;--subtle:#7f7768;--gold:#d5af58;--gold-light:#f3d27b;--line:rgba(213,175,88,.18);--line-strong:rgba(243,210,123,.45);--shadow:0 18px 48px rgba(0,0,0,.46);--gold-shadow:0 18px 46px rgba(213,175,88,.18);--shell:1320px;--status-h:34px;--brand-h:78px;--stage-h:52px}
*{box-sizing:border-box}html{color-scheme:dark;scroll-behavior:smooth;overflow-x:hidden}body{margin:0;min-width:320px;overflow-x:hidden;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}img{display:block;max-width:100%;height:auto}p,h1,h2,h3{overflow-wrap:anywhere}.shell{width:min(calc(100% - 40px),var(--shell));margin-inline:auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:var(--gold-light);color:#17120a;padding:10px 14px}.skip-link:focus{top:12px}.event-status{height:var(--status-h);background:#030303;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.event-status__inner{height:100%;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}.event-status p{margin:0;white-space:nowrap}.event-status nav{display:flex;gap:18px}.event-status__right{justify-content:flex-end}.event-status a:hover{color:var(--gold-light)}
.site-header{position:sticky;top:0;z-index:200;background:rgba(5,5,5,.96);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.brand-nav{min-height:var(--brand-h);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}.brand-side{display:flex;align-items:center;gap:14px;min-width:0}.brand-side--right{justify-content:flex-end}.menu-button,.more-nav button,.panel-head button{border:0;background:transparent;cursor:pointer}.menu-button{min-height:44px;display:inline-flex;align-items:center;gap:10px;padding:0}.hamburger{width:20px;display:grid;gap:4px}.hamburger i{display:block;height:1px;background:var(--gold-light)}.stage-chip{color:var(--subtle);font-size:12px;border-left:1px solid var(--line);padding-left:14px;white-space:nowrap}.brand{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;min-width:190px;color:var(--title);letter-spacing:.08em}.brand img{max-height:56px;width:auto;object-fit:contain}.brand strong{font:500 clamp(23px,2vw,31px)/1.05 Georgia,"Songti SC",serif}.brand small{margin-top:5px;color:var(--gold);font-size:10px;letter-spacing:.28em}.plain-link{min-height:44px;display:inline-flex;align-items:center;color:var(--muted);white-space:nowrap}.button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:0 22px;border:1px solid transparent;border-radius:3px;background:linear-gradient(135deg,#f4d98b 0%,#d5af58 48%,#8f651d 100%);color:#17120a;font-weight:700;white-space:nowrap;box-shadow:var(--gold-shadow);transition:transform .2s ease,filter .2s ease}.button:hover{transform:translateY(-2px);filter:brightness(1.06)}.button--small{min-height:42px;padding-inline:18px}.button--dark{background:#11100d;color:var(--gold-light);border-color:var(--line-strong);box-shadow:none}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--gold-light);outline-offset:3px}.stage-nav-wrap{border-top:1px solid rgba(213,175,88,.1)}.stage-nav{min-height:var(--stage-h);display:flex;align-items:stretch;gap:12px}.stage-scroll{display:flex;align-items:stretch;min-width:0;flex:1}.stage-scroll>a{min-height:var(--stage-h);flex:1;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;color:var(--muted);font-size:14px;position:relative;white-space:nowrap}.stage-scroll>a:hover,.stage-scroll>a.is-current{color:var(--gold-light)}.stage-scroll>a.is-current:after{content:"";position:absolute;left:24%;right:24%;bottom:0;height:1px;background:var(--gold-light)}.more-nav{position:relative;flex:0 0 auto}.more-nav>button{min-height:var(--stage-h);display:flex;align-items:center;gap:6px;padding:0 14px;color:var(--gold-light)}.more-menu{position:absolute;right:0;top:calc(100% + 8px);width:210px;padding:8px;background:#0c0c0a;border:1px solid var(--line-strong);box-shadow:var(--shadow)}.more-menu[hidden]{display:none}.more-menu a{display:block;padding:11px 12px;color:var(--muted)}.more-menu a:hover,.more-menu a.is-current{background:var(--surface2);color:var(--gold-light)}
main{min-height:60vh}.hero{position:relative;min-height:min(760px,calc(100vh - 120px));display:grid;align-items:end;isolation:isolate;overflow:hidden;border-bottom:1px solid var(--line);background:radial-gradient(circle at 72% 20%,rgba(213,175,88,.23),transparent 24%),linear-gradient(120deg,#030303 5%,#0d0c09 50%,#050505 100%)}.hero:before{content:"";position:absolute;inset:0;z-index:-3;background:linear-gradient(90deg,rgba(0,0,0,.78),rgba(0,0,0,.2) 60%,rgba(0,0,0,.54))}.hero-image{position:absolute;inset:0;z-index:-4;width:100%;height:100%;object-fit:cover}.hero-content{padding:88px 0 56px;display:grid;grid-template-columns:1.4fr .6fr;gap:40px;align-items:end}.hero-copy{max-width:800px;padding:30px;background:rgba(0,0,0,.68);border:1px solid var(--line);box-shadow:var(--shadow)}.eyebrow{margin:0 0 12px;color:var(--gold);font-size:12px;letter-spacing:.22em;text-transform:uppercase}h1,h2,h3{margin-top:0;color:var(--title);font-family:Georgia,"Times New Roman","Songti SC",serif;font-weight:500;line-height:1.25}h1{margin-bottom:20px;font-size:clamp(38px,6vw,82px)}.hero-copy>p:not(.eyebrow){font-size:clamp(16px,1.8vw,19px)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.hero-steps{display:grid;gap:1px;padding:12px;background:rgba(0,0,0,.5);border:1px solid var(--line)}.hero-steps span{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;background:rgba(16,16,14,.78);color:var(--muted)}.hero-steps span:after{content:"";width:38px;height:1px;background:var(--line-strong)}
.info-strip{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}.info-strip article{padding:32px clamp(20px,4vw,48px);background:var(--deep);border-right:1px solid var(--line)}.info-strip article:last-child{border-right:0}.info-strip h2{font-size:21px;margin-bottom:10px}.info-strip p{margin:0;color:var(--muted)}.info-strip a{display:inline-block;margin-top:12px;color:var(--gold-light)}.section{padding:clamp(68px,9vw,120px) 0}.section--deep{background:var(--deep);border-block:1px solid rgba(213,175,88,.08)}.section--surface{background:linear-gradient(180deg,#0d0d0b,#080806)}.section-head{display:grid;grid-template-columns:1fr minmax(280px,520px);gap:40px;align-items:end;margin-bottom:40px}.section-head h2{font-size:clamp(30px,4.2vw,54px);margin-bottom:0}.section-head p{margin:0;color:var(--muted)}.gold-rule{width:76px;height:1px;background:linear-gradient(90deg,var(--gold-light),transparent);margin-bottom:18px}.grid{display:grid;gap:18px}.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}.card,.topic{position:relative;padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:4px;box-shadow:var(--shadow);overflow:hidden}.card:before,.topic:before{content:"";position:absolute;inset:0 auto 0 0;width:1px;background:linear-gradient(var(--gold-light),transparent 70%);pointer-events:none}.card h3,.topic h3{font-size:22px;margin-bottom:12px}.card p,.topic p{margin:0;color:var(--muted)}.card a{display:inline-flex;margin-top:20px;color:var(--gold-light)}.tag{display:inline-flex;min-height:26px;align-items:center;padding:0 9px;margin-bottom:14px;border:1px solid var(--line);color:var(--gold);font-size:11px;letter-spacing:.12em}.track-card{min-height:300px;display:flex;flex-direction:column}.track-card a{margin-top:auto}.timeline{display:grid;grid-template-columns:repeat(8,minmax(150px,1fr));overflow-x:auto;padding-bottom:10px}.timeline article{min-width:170px;padding:26px 20px 22px;border-top:1px solid var(--line-strong);border-right:1px solid var(--line);background:var(--surface)}.timeline article:before{content:"";display:block;width:9px;height:9px;border-radius:50%;margin-top:-31px;margin-bottom:22px;background:var(--gold-light);box-shadow:0 0 0 6px rgba(213,175,88,.1)}.timeline h3{font-size:18px}.timeline p{margin:0;color:var(--muted);font-size:14px}.feature-split{display:grid;grid-template-columns:minmax(280px,.82fr) 1.18fr;gap:44px;align-items:center}.feature-image{min-height:480px;background:radial-gradient(circle at 50% 20%,rgba(243,210,123,.22),transparent 26%),linear-gradient(135deg,#16150f,#050505);border:1px solid var(--line)}.feature-image img{width:100%;height:100%;object-fit:cover}.feature-content>p{color:var(--muted)}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:24px}.feature-list div{padding:18px;background:var(--surface);border:1px solid var(--line)}.feature-list strong,.feature-list span{display:block}.feature-list span{color:var(--muted);font-size:14px}.callout{padding:clamp(34px,6vw,72px);border:1px solid var(--line-strong);background:linear-gradient(135deg,rgba(213,175,88,.08),rgba(16,16,14,.8));box-shadow:var(--gold-shadow)}.callout h2{font-size:clamp(30px,4vw,52px);max-width:900px}.callout p{color:var(--muted);max-width:980px}.faq-list{display:grid;gap:10px}details{background:var(--surface);border:1px solid var(--line)}summary{min-height:62px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;padding:15px 20px;color:var(--title);font-weight:650}summary:after{content:"+";color:var(--gold-light);font-size:22px}details[open] summary:after{content:"−"}details p{margin:0;padding:0 20px 22px;color:var(--muted)}
.page-hero{padding:clamp(72px,10vw,130px) 0 60px;background:radial-gradient(circle at 70% 10%,rgba(213,175,88,.16),transparent 25%),linear-gradient(120deg,#050505,#0d0c09);border-bottom:1px solid var(--line)}.page-hero-inner{max-width:920px}.page-hero h1{font-size:clamp(42px,7vw,76px)}.page-hero p:last-child{font-size:18px;color:var(--muted);max-width:840px}.content-section{padding:74px 0}.content-section+.content-section{border-top:1px solid rgba(213,175,88,.08)}.content-section h2{font-size:clamp(28px,4vw,45px)}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.notice{margin-top:32px;padding:24px 26px;border-left:2px solid var(--gold);background:rgba(213,175,88,.06)}.related-links{display:flex;flex-wrap:wrap;gap:10px}.related-links a{min-height:42px;display:inline-flex;align-items:center;padding:0 15px;border:1px solid var(--line);color:var(--gold-light)}
.site-footer{background:#030303;border-top:1px solid var(--line);padding:70px 0 28px}.footer-grid{display:grid;grid-template-columns:1.35fr repeat(4,1fr);gap:34px}.brand--footer{align-items:flex-start;min-width:0;margin-bottom:20px}.footer-brand p{color:var(--muted);font-size:14px}.footer-links{display:grid;align-content:start;gap:8px}.footer-links h2{font:600 14px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;margin-bottom:8px}.footer-links a{color:var(--muted);font-size:14px}.footer-links a:hover{color:var(--gold-light)}.footer-note{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;color:var(--subtle);font-size:12px}.footer-note p{margin:0}.mobile-bottom{display:none}.panel-overlay{position:fixed;inset:0;z-index:600;background:rgba(0,0,0,.72);opacity:0;visibility:hidden;pointer-events:none;transition:.24s}.panel-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.channel-panel{position:fixed;top:0;right:0;z-index:700;width:min(520px,90vw);height:100dvh;background:#080806;border-left:1px solid var(--line-strong);box-shadow:var(--shadow);transform:translateX(102%);visibility:hidden;pointer-events:none;transition:.28s;overflow-y:auto}.channel-panel.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.panel-head{position:sticky;top:0;z-index:2;min-height:88px;display:flex;align-items:center;justify-content:space-between;padding:18px 22px;background:rgba(8,8,6,.97);border-bottom:1px solid var(--line)}.panel-head strong,.panel-head small{display:block}.panel-head small{color:var(--gold);letter-spacing:.2em}.panel-head button{width:44px;height:44px;font-size:32px;color:var(--gold-light)}.channel-groups{padding:12px 22px 40px}.channel-groups section{padding:24px 0;border-bottom:1px solid var(--line)}.channel-groups h2{font-size:19px;margin-bottom:12px}.channel-groups a{display:block;padding:12px 0}.channel-groups strong,.channel-groups span{display:block}.channel-groups span{color:var(--muted);font-size:13px}
@media(max-width:1040px){.event-status__inner{grid-template-columns:1fr auto}.event-status__center{display:none!important}.stage-chip,.brand-side--right .plain-link{display:none}.hero-content,.section-head,.feature-split{grid-template-columns:1fr}.hero-steps{grid-template-columns:repeat(5,1fr)}.hero-steps span{display:block;text-align:center}.hero-steps span:after{display:none}.grid--4{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(3,1fr)}.footer-brand{grid-column:1/-1;max-width:620px}}
@media(max-width:760px){:root{--status-h:32px;--brand-h:66px;--stage-h:48px}.shell{width:min(calc(100% - 28px),var(--shell))}.event-status__inner{grid-template-columns:minmax(0,1fr) auto;gap:10px}.event-status p{overflow:hidden;text-overflow:ellipsis}.event-status__right a:first-child{display:none}.brand-nav{grid-template-columns:1fr auto 1fr;gap:8px}.menu-button span:last-child{display:none}.brand{min-width:0}.brand strong{font-size:22px;white-space:nowrap}.brand small{font-size:8px;letter-spacing:.18em}.brand img{max-height:42px;max-width:150px}.brand-side--right .button{min-height:40px;padding:0 12px;font-size:13px}.stage-nav{width:100%;padding-left:14px;gap:0}.stage-scroll{overflow-x:auto;scrollbar-width:none}.stage-scroll::-webkit-scrollbar{display:none}.stage-scroll>a{flex:0 0 auto}.more-nav{padding-right:8px;background:rgba(5,5,5,.96)}.hero{min-height:720px}.hero-content{padding:72px 0 28px;gap:18px}.hero-copy{padding:24px 20px}.hero-steps{grid-template-columns:repeat(5,minmax(95px,1fr));overflow-x:auto}.info-strip,.grid--2,.grid--3,.grid--4,.topic-grid{grid-template-columns:1fr}.info-strip article{border-right:0;border-bottom:1px solid var(--line)}.section{padding-block:70px}.section-head{gap:14px}.timeline{grid-template-columns:repeat(8,170px)}.feature-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{grid-column:1/-1}.footer-note{flex-direction:column}.site-footer{padding-bottom:104px}.mobile-bottom{position:fixed;inset:auto 0 0;z-index:500;display:grid;grid-template-columns:repeat(5,1fr);min-height:calc(64px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(3,3,3,.97);border-top:1px solid var(--line-strong)}.mobile-bottom a{min-height:58px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);font-size:11px}.mobile-bottom a span{font-size:18px;line-height:1}.mobile-bottom a.is-current{color:var(--gold-light);background:rgba(213,175,88,.06)}}
@media(max-width:430px){.footer-grid{grid-template-columns:1fr}.brand-side--right .button{padding-inline:10px}.card,.topic{padding:22px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}