@keyframes gradient-shimmer{0%{background-position:0%}16.67%{background-position:100%}33.33%{background-position:0%}to{background-position:0%}}.shimmer-text{-webkit-text-fill-color:transparent;background-image:linear-gradient(90deg,#5b9cff 0%,#fff 50%,#5b9cff 100%);background-position:0%;background-size:200% 100%;-webkit-background-clip:text;background-clip:text;display:inline-block}.shimmer-text:hover{animation:3s linear infinite gradient-shimmer}[data-sonner-toaster].flex{display:flex}[data-sonner-toaster].justify-center{justify-content:center}@media not (min-width:64rem){[data-sonner-toaster].max-md\:left-0\!{left:0!important}}[data-sonner-toast] [data-title].text-sm{font-size:.875rem;line-height:1.42857}[data-sonner-toast] .mt-1\.5{margin-top:.375rem}[data-sonner-toast] .size-5{width:1.25rem;height:1.25rem}@keyframes spin{to{transform:rotate(360deg)}}[data-sonner-toast] .animate-spin{animation:1s linear infinite spin}:root{--background:#fff;--foreground:#0a0a0a;--card:#fff;--card-foreground:#0a0a0a;--popover:#fff;--popover-foreground:#0a0a0a;--primary:#171717;--primary-foreground:#fafafa;--secondary:#f5f5f5;--secondary-foreground:#171717;--muted:#f5f5f5;--muted-foreground:#737373;--accent:#f5f5f5;--accent-foreground:#171717;--destructive:#e40014;--destructive-foreground:#e40014;--border:#e5e5e5;--input:#e5e5e5;--ring:#a1a1a1;--chart-1:#f05100;--chart-2:#009588;--chart-3:#104e64;--chart-4:#fcbb00;--chart-5:#f99c00;--radius:.625rem;--sidebar:#fafafa;--sidebar-foreground:#0a0a0a;--sidebar-primary:#171717;--sidebar-primary-foreground:#fafafa;--sidebar-accent:#f5f5f5;--sidebar-accent-foreground:#171717;--sidebar-border:#e5e5e5;--sidebar-ring:#a1a1a1;--default-font-family:"Poppins","Arial",sans-serif}@supports (color:lab(0% 0 0)){:root{--background:lab(100% 0 0);--foreground:lab(2.75381% 0 0);--card:lab(100% 0 0);--card-foreground:lab(2.75381% 0 0);--popover:lab(100% 0 0);--popover-foreground:lab(2.75381% 0 0);--primary:lab(7.78201% -.0000149012 0);--primary-foreground:lab(98.26% 0 0);--secondary:lab(96.52% -.0000298023 .0000119209);--secondary-foreground:lab(7.78201% -.0000149012 0);--muted:lab(96.52% -.0000298023 .0000119209);--muted-foreground:lab(48.496% 0 0);--accent:lab(96.52% -.0000298023 .0000119209);--accent-foreground:lab(7.78201% -.0000149012 0);--destructive:lab(48.4493% 77.4328 61.5452);--destructive-foreground:lab(48.4493% 77.4328 61.5452);--border:lab(90.952% 0 -.0000119209);--input:lab(90.952% 0 -.0000119209);--ring:lab(66.128% -.0000298023 .0000119209);--chart-1:lab(57.1026% 64.2584 89.8886);--chart-2:lab(55.0223% -41.0774 -3.90277);--chart-3:lab(30.372% -13.1853 -18.7887);--chart-4:lab(80.1641% 16.6016 99.2089);--chart-5:lab(72.7183% 31.8672 97.9407);--sidebar:lab(98.26% 0 0);--sidebar-foreground:lab(2.75381% 0 0);--sidebar-primary:lab(7.78201% -.0000149012 0);--sidebar-primary-foreground:lab(98.26% 0 0);--sidebar-accent:lab(96.52% -.0000298023 .0000119209);--sidebar-accent-foreground:lab(7.78201% -.0000149012 0);--sidebar-border:lab(90.952% 0 -.0000119209);--sidebar-ring:lab(66.128% -.0000298023 .0000119209)}}.dark{--background:#1b1b1d;--foreground:#fff;--card:#1b1b1d;--card-foreground:#fff;--popover:rgba(33,33,35,.3);--popover-foreground:#fff;--primary:#fff;--primary-foreground:#1b1b1d;--secondary:rgba(255,255,255,.1);--secondary-foreground:rgba(255,255,255,.9);--muted:rgba(33,33,35,.4);--muted-foreground:rgba(255,255,255,.6);--accent:rgba(255,255,255,.08);--accent-foreground:#fff;--destructive:#e62323;--destructive-foreground:red;--border:rgba(255,255,255,.2);--input:rgba(255,255,255,.2);--ring:#fff;--chart-1:#1447e6;--chart-2:#00bb7f;--chart-3:#f99c00;--chart-4:#ac4bff;--chart-5:#ff2357;--sidebar:#121213;--sidebar-foreground:#fafafa;--sidebar-primary:#1447e6;--sidebar-primary-foreground:#fafafa;--sidebar-accent:rgba(220,231,255,.1);--sidebar-accent-foreground:#fafafa;--sidebar-border:#262626;--sidebar-ring:#525252}@supports (color:lab(0% 0 0)){.dark{--chart-1:lab(36.9089% 35.0961 -85.6872);--chart-2:lab(66.9756% -58.27 19.5419);--chart-3:lab(72.7183% 31.8672 97.9407);--chart-4:lab(52.0183% 66.11 -78.2316);--chart-5:lab(56.101% 79.4328 31.4532);--sidebar-foreground:lab(98.26% 0 0);--sidebar-primary:lab(36.9089% 35.0961 -85.6872);--sidebar-primary-foreground:lab(98.26% 0 0);--sidebar-accent-foreground:lab(98.26% 0 0);--sidebar-border:lab(15.204% 0 -.00000596046);--sidebar-ring:lab(34.924% 0 0)}}[role=button],button,[role=option],option{cursor:pointer}img[src=""],img:not([src]){opacity:0}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:5px}html,body{font-feature-settings:"rlig" 1,"calt" 1;-webkit-hyphens:auto;-ms-hyphens:auto;hyphens:auto;word-break:break-word;overflow-wrap:break-word;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;margin:0}@font-face{font-family:PMZD Title;src:url(https://qhstaticssl.kujiale.com/font/woff2/1792144415102/9EAC2582D3501B18711FA63704463CB8.woff2)format("woff2");font-weight:100 900;font-display:swap}.hackathon{--bg:#050506;--bg-2:#0a0a0b;--surface:#0e0e10;--surface-2:#18181b;--border:#3f3f46;--border-subtle:#2a2a2f;--border-strong:#55555e;--text:#f4f4f5;--text-soft:#d4d4d8;--text-muted:#a8a8b3;--primary:#ebebee;--primary-hover:#d2d2d8;--primary-contrast:#101012;--violet:#6a48ff;--blue:#7b5cff;--ice:#b5acff;--cream:#d6d0ff;--grad:linear-gradient(90deg,#988dff,#988dff);--grad-soft:linear-gradient(135deg,rgba(123,92,255,.16),rgba(123,92,255,.05));--font-sans:"Inter","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;--font-title:"PMZD Title","Inter","PingFang SC","Microsoft YaHei",sans-serif;--font-mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;--radius:20px;--radius-sm:12px;--radius-pill:999px;--content:1360px;--gutter:clamp(16px,6vw,88px);--nav-gutter:clamp(16px,4vw,40px);--section-y:clamp(88px,12vw,160px);--ease:cubic-bezier(.2,.7,.2,1)}.hackathon *,.hackathon :before,.hackathon :after{box-sizing:border-box;margin:0;padding:0}html{-webkit-tap-highlight-color:transparent}.hackathon .btn:active:not(:disabled){transform:scale(.98)}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}.hackathon{background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;max-width:100%;font-size:16px;font-weight:500;line-height:1.7;overflow-x:clip}html:has(.hackathon){background:#050506;max-width:100%;overflow-x:clip}body:has(.hackathon){background:#050506;max-width:100%;overflow-x:clip}.hackathon main[hidden]{display:none!important}.hackathon[lang=en_US]{line-height:1.6}.hackathon img,.hackathon svg{max-width:100%;display:block}.hackathon a{color:inherit;text-decoration:none}.hackathon button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0}.hackathon :focus-visible{outline:2px solid var(--ice);outline-offset:3px;border-radius:6px}.hackathon::-moz-selection{color:#fff;background:rgba(106,72,255,.45)}.hackathon::selection{color:#fff;background:rgba(106,72,255,.45)}.hackathon ::-moz-selection{color:#fff;background:rgba(106,72,255,.45)}.hackathon ::selection{color:#fff;background:rgba(106,72,255,.45)}.hackathon .container{width:100%;max-width:calc(var(--content) + 2*var(--gutter));min-width:0;padding:0 var(--gutter);margin:0 auto}.hackathon .grad-text{background:var(--grad);color:transparent;-webkit-background-clip:text;background-clip:text}.hackathon .mono{font-family:var(--font-mono);letter-spacing:.02em}.hackathon .btn{border-radius:var(--radius-pill);letter-spacing:.01em;white-space:nowrap;height:48px;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);justify-content:center;align-items:center;gap:10px;padding:0 26px;font-size:15px;font-weight:700;display:inline-flex}.hackathon .btn svg{width:16px;height:16px;transition:transform .2s var(--ease)}.hackathon .btn:hover svg{transform:translate(3px)}.hackathon .btn-primary{background:var(--primary);color:var(--primary-contrast);box-shadow:0 0 rgba(181,172,255,0)}.hackathon .btn-primary:hover{background:#fff;box-shadow:0 8px 40px -8px rgba(106,72,255,.55)}.hackathon #navAuth[hidden],.hackathon .nav-user[hidden]{display:none!important}.hackathon .nav-user{align-items:center;height:38px;display:flex;position:relative}.hackathon .nav-ava{cursor:pointer;color:#fff;background:radial-gradient(circle at 35% 30%,#9a86ff,#6a48ff 60%,#3e2c99);border:2px solid rgba(181,172,255,.55);border-radius:50%;flex:none;align-items:center;justify-items:center;width:38px;height:38px;padding:0;font-size:16px;font-weight:700;line-height:1;transition:box-shadow .2s,border-color .2s;display:grid;overflow:hidden;box-shadow:0 0 14px -2px rgba(123,92,255,.8)}.hackathon .nav-ava-btn{border-radius:50%;flex:none;align-items:center;justify-items:center;width:38px;height:38px;padding:0;line-height:1;display:grid}.hackathon .nav-ava-btn:hover .nav-ava,.hackathon .nav-ava-btn[aria-expanded=true] .nav-ava{border-color:#fff;box-shadow:0 0 18px #7b5cff}.hackathon .avatar{overflow:hidden}.hackathon .avatar img{object-fit:cover;border-radius:inherit;width:100%;height:100%}.hackathon .nav-ava.anon:before{content:"";background:#fff;width:16px;height:16px;-webkit-mask:radial-gradient(circle at 50% 30%,#000 28%,transparent 30%),radial-gradient(60% 45% at 50% 100%,#000 98%,transparent 100%);mask:radial-gradient(circle at 50% 30%,#000 28%,transparent 30%),radial-gradient(60% 45% at 50% 100%,#000 98%,transparent 100%)}.hackathon .nav-menu{z-index:60;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:#0d0c13;min-width:200px;padding:6px;font-size:14px;line-height:1.5;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 18px 40px -10px rgba(0,0,0,.8)}.hackathon .nav-menu[hidden]{display:none}.hackathon .nm-who{border-bottom:1px solid var(--border-subtle);flex-direction:column;gap:2px;margin-bottom:4px;padding:10px 12px 12px;display:flex}.hackathon .nm-who b{font-size:14.5px}.hackathon .nm-who .mono{color:var(--text-muted);font-size:12px}.hackathon .nm-item{text-align:left;width:100%;color:var(--text-soft);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:8px;padding:9px 12px;font-size:14px;display:block}.hackathon .nm-item:hover{color:#fff;background:rgba(123,92,255,.14)}.hackathon .nm-item[hidden]{display:none}.hackathon .nm-out{color:#fca5a5}.hackathon .nm-out:hover{color:#fecaca;background:rgba(248,113,113,.12)}.hackathon .btn-ghost{border:1px solid var(--border-strong);color:var(--text);background:rgba(255,255,255,.02)}.hackathon .btn-ghost:hover{background:rgba(255,255,255,.05);border-color:#71717a}.hackathon .btn-sm{height:38px;padding:0 18px;font-size:14px}.hackathon .aholo-logo{--h:24px;align-items:center;gap:calc(var(--h)*.3125);height:var(--h);flex-shrink:0;display:inline-flex}.hackathon .aholo-logo>span{background-position:50%;background-repeat:no-repeat;background-size:contain;display:block}.hackathon .al-icon{width:var(--h);height:var(--h);background-image:url(https://qhstaticssl.kujiale.com/image/png/1791885255341/E4C037D178301F81BA8ABC819C51B78C.png)}.hackathon .al-word{height:calc(var(--h)*.5625);aspect-ratio:78.55/13.5;background-image:url(https://qhstaticssl.kujiale.com/image/svgxml/1791885255343/26D36ABF7DA6B4AE0F067F6B67C77BED.svg)}.hackathon .nav-backdrop{display:none}.hackathon .nav{z-index:50;transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s;border-bottom:1px solid transparent;position:fixed;top:0;bottom:auto;left:0;right:0}.hackathon .nav.scrolled{-webkit-backdrop-filter:blur(18px)saturate(140%);backdrop-filter:blur(18px)saturate(140%);border-bottom-color:var(--border-subtle);background:rgba(5,5,6,.72)}.hackathon .nav-inner{height:64px;padding:0 var(--nav-gutter);grid-template-columns:minmax(0,auto) minmax(0,1fr) auto;align-items:center;gap:24px;min-width:0;max-width:100%;display:grid}.hackathon .nav-inner .brand{justify-self:start}.hackathon .brand{flex-shrink:1;align-items:center;gap:14px;min-width:0;display:flex}.hackathon .brand-cobrand{width:auto;height:28px;display:block}.hackathon .brand-tag{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-soft);border-left:1px solid var(--border);padding-left:14px;font-size:11px;font-weight:600}.hackathon .nav-links{justify-content:center;align-items:center;gap:max(0px,min(.6vw,12px));list-style:none;display:flex}.hackathon .nav-links a{border-radius:var(--radius-pill);color:var(--text-soft);padding:8px 14px;font-size:16px;font-weight:600;transition:color .2s;display:block}.hackathon .nav-lang{display:none}.hackathon .nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04)}.hackathon .nav-links a.is-active{color:#fff;text-underline-offset:8px;background:0 0;-webkit-text-decoration-line:underline;text-decoration-line:underline;text-decoration-thickness:2px}.hackathon .nav-actions{justify-self:end;align-items:center;gap:10px;display:flex}.hackathon .lang-toggle{border-radius:var(--radius-pill);border:1px solid var(--border-strong);height:38px;font-family:var(--font-mono);padding:3px;font-size:12px;display:inline-flex}.hackathon .lang-toggle button{border-radius:var(--radius-pill);color:var(--text-soft);min-width:40px;padding:0 12px;font-weight:600;transition:all .2s}.hackathon .lang-toggle button[aria-pressed=true]{color:#fff;background:#2a2a30}.hackathon .lang-toggle button:hover{color:#fff}.hackathon .menu-btn{border:1px solid var(--border-strong);border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;display:none}.hackathon .menu-btn span{background:var(--text);width:16px;height:1.5px;transition:transform .3s var(--ease);display:block;position:relative}.hackathon .menu-btn span:before,.hackathon .menu-btn span:after{content:"";background:var(--text);width:16px;height:1.5px;transition:transform .3s var(--ease),top .3s var(--ease);position:absolute;left:0}.hackathon .menu-btn span:before{top:-5px}.hackathon .menu-btn span:after{top:5px}.hackathon .nav.open .menu-btn span{background:0 0}.hackathon .nav.open .menu-btn span:before{top:0;transform:rotate(45deg)}.hackathon .nav.open .menu-btn span:after{top:0;transform:rotate(-45deg)}.hackathon .hero{isolation:isolate;align-items:center;min-height:100svh;padding:120px 0 72px;display:flex;position:relative;overflow:hidden}.hackathon #splat{z-index:-2;width:100%;height:100%;position:absolute;top:0;bottom:0;left:0;right:0}.hackathon .hero:after{content:"";z-index:-1;pointer-events:none;background:linear-gradient(90deg,rgba(5,5,6,.85) 0%,rgba(5,5,6,.35) 45%,transparent 70%),radial-gradient(ellipse 80% 70% at 60% 50%,transparent 30%,var(--bg)100%),linear-gradient(180deg,transparent 70%,var(--bg)100%);position:absolute;top:0;bottom:0;left:0;right:0}.hackathon .hero-content{max-width:880px}.hackathon .eyebrow{font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--text-soft);border:1px solid var(--border);border-radius:var(--radius-pill);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:rgba(14,14,16,.6);align-items:center;gap:10px;padding:7px 14px 7px 10px;font-size:12px;font-weight:600;display:inline-flex}.hackathon .eyebrow .dot{background:var(--ice);width:6px;height:6px;box-shadow:0 0 12px var(--ice);border-radius:50%;animation:2.4s ease-in-out infinite pulse}@keyframes pulse{50%{opacity:.35}}.hackathon .hero h1{letter-spacing:-.035em;margin:28px 0 24px;font-size:max(44px,min(8.2vw,104px));font-weight:600;line-height:1.02}.hackathon[lang=en_US] .hero h1{font-size:max(34px,min(4.6vw,66px))}.hackathon[lang=zh_CN] .hero h1{letter-spacing:.01em;font-size:max(32px,min(6.2vw,84px));line-height:1.14}.hackathon .hero h1 .line{display:block}.hackathon .hero-sub{max-width:620px;color:var(--text-soft);font-size:max(16px,min(1.6vw,19px));font-weight:500}.hackathon .hero-cta{flex-wrap:wrap;gap:12px;margin-top:40px;display:flex}.hackathon .hero-meta{border-top:1px solid var(--border);grid-template-columns:repeat(3,auto);gap:0;width:-webkit-fit-content;width:-moz-fit-content;width:fit-content;max-width:100%;margin-top:64px;display:grid}.hackathon .hero-meta div{border-right:1px solid var(--border-subtle);margin-right:40px;padding:20px 40px 0 0}.hackathon .hero-meta div:last-child{border-right:0;margin-right:0}.hackathon .hero-meta dt{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);margin-bottom:6px;font-size:11.5px;font-weight:600}.hackathon .hero-meta dd{color:var(--text);white-space:nowrap;font-size:15px;font-weight:600}.hackathon .hero-meta dt{white-space:nowrap}.hackathon .scroll-hint{font-family:var(--font-mono);letter-spacing:.2em;color:var(--text-muted);text-transform:uppercase;flex-direction:column;align-items:center;gap:10px;font-size:10.5px;font-weight:600;display:flex;position:absolute;bottom:28px;left:50%;transform:translate(-50%)}.hackathon .scroll-hint i{background:linear-gradient(var(--text-muted),transparent);width:1px;height:36px;animation:drip 2.2s var(--ease)infinite;transform-origin:top}@keyframes drip{0%{transform:scaleY(0)}50%{transform:scaleY(1)}to{opacity:0;transform:scaleY(1)}}.hackathon .sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.hackathon .kv{background:#000;position:relative;overflow:hidden}.hackathon .kv-view{aspect-ratio:16/9;width:100%;position:relative}.hackathon .kv-stage{position:absolute;top:0;bottom:0;left:0;right:0}.hackathon .kv-stage>*{max-width:none;display:block;position:absolute}.hackathon .kv-bg{object-fit:cover;width:100%;height:100%;top:0;left:0}.hackathon .kv-ov{z-index:1;width:100%;height:87.5926%;top:12.4074%;left:0}.hackathon .kv-flower{object-fit:fill;-webkit-mask-composite:source-in;background:0 0;width:54.1667%;height:69.4444%;top:30.5556%;left:26.0417%;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent),linear-gradient(transparent,#000 9%);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent),linear-gradient(transparent,#000 9%);-webkit-mask-composite:source-in;mask-composite:intersect}.hackathon .kv-title{width:50.5875%;height:auto;top:18%;left:3.4375%}.hackathon .kv-title-m{display:none}.hackathon:not([lang=en_US]) .kv-en{display:none!important}.hackathon[lang=en_US] :-webkit-any(.kv-title,.kv-title-m):not(.kv-en){display:none!important}.hackathon[lang=en_US] :-moz-any(.kv-title,.kv-title-m):not(.kv-en){display:none!important}.hackathon[lang=en_US] :is(.kv-title,.kv-title-m):not(.kv-en){display:none!important}.hackathon .kv-meta{z-index:2;background:linear-gradient(90deg,rgba(0,0,0,.86),rgba(0,0,0,.8) calc(100% - max(40px,min(4vw,80px))),transparent);border-style:solid;border-width:1px 0 0;border-image:linear-gradient(90deg,rgba(106,72,255,.75),rgba(106,72,255,.75) 70%,transparent) 1;margin:0;padding-top:max(14px,min(1.1vw,20px));padding-bottom:10px;padding-right:max(40px,min(4vw,80px));display:flex;position:absolute;top:83.5%;left:4.41%}.hackathon .kv-meta div{border-left:1px solid rgba(106,72,255,.6);padding:0 max(14px,min(1.25vw,28px))}.hackathon .kv-meta div:first-child{border-left:0;padding-left:0}.hackathon .kv-meta dt{color:var(--text-muted);white-space:nowrap;margin-bottom:8px;font-size:max(11.5px,min(.7vw,13px))}.hackathon .kv-meta dd{color:var(--text);white-space:nowrap;margin:0;font-size:max(14px,min(.95vw,18px));font-weight:600}.hackathon .kv-meta .prize-money{gap:4px}.hackathon .kv-meta .yen{font-size:inherit;font-weight:inherit;margin-right:0}.hackathon .kv-meta .prize-usd{font-size:12px}.hackathon .kv-cta{z-index:2;gap:12px;margin:0;position:absolute;top:72.5%;left:4.41%}@media (min-width:1200px){.hackathon .kv{padding-top:64px;container-type:inline-size}.hackathon .kv-view,.hackathon .kv-cta,.hackathon .kv-meta{--w:min(100cqw,calc((100svh - 64px)*2.15247))}.hackathon .kv-view{aspect-ratio:1920/892;width:var(--w);margin-left:auto;margin-right:auto;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 2.5%,#000 97.5%,transparent);mask-image:linear-gradient(90deg,transparent,#000 2.5%,#000 97.5%,transparent)}.hackathon .kv-stage{width:100%;height:121.076%;top:-16.2556%;bottom:auto;left:0;right:auto}.hackathon .kv-cta,.hackathon .kv-meta{left:calc((100cqw - var(--w))/2 + var(--w)*.0441)}.hackathon .kv-cta{top:calc(64px + var(--w)*.46459*.71525)}.hackathon .kv-meta{top:calc(64px + var(--w)*.46459*.84843)}.hackathon .kv-ov{top:9.9074%;left:4%}.hackathon .kv-flower{top:28.0556%;left:30.0417%;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent),linear-gradient(transparent,#000 9%,#000 86%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent),linear-gradient(transparent,#000 9%,#000 86%,transparent)}.hackathon .kv-cta .btn{height:max(44px,min(2.7vw,54px));padding:0 max(18px,min(1.35vw,28px));font-size:max(14px,min(.82vw,16px))}}.hackathon .kv-cta{align-items:center}.hackathon .kv-cta .btn-primary{color:#fff;isolation:isolate;background:#6a48ff linear-gradient(110deg,#6a48ff 35%,#b5acff 50%,#6a48ff 65%) 0 0/300% 100%;font-weight:700;animation:3.2s ease-in-out infinite ctaSweep;position:relative;box-shadow:0 0 0 1px rgba(181,172,255,.55),0 10px 34px -6px rgba(123,92,255,.85)}.hackathon .kv-cta .btn-primary:before{content:"";border-radius:inherit;pointer-events:none;border:1px dashed rgba(181,172,255,.7);animation:2.4s ease-in-out infinite ctaRing;position:absolute;top:-7px;bottom:-7px;left:-7px;right:-7px}.hackathon .kv-cta .btn-primary:hover{background-color:#7b5cff;box-shadow:0 0 0 1px rgba(181,172,255,.8),0 12px 44px -6px #7b5cff}.hackathon .kv-cta .btn-primary svg{animation:1.6s ease-in-out infinite ctaNudge}@media (min-width:1200px){.hackathon .kv-cta .btn-primary{height:max(50px,min(3vw,60px));padding:0 max(24px,min(1.7vw,34px));font-size:max(15px,min(.9vw,17px))}}@media (max-width:1199px){.hackathon .kv-cta{gap:18px}}@keyframes ctaSweep{0%,35%{background-position:100% 0}75%,to{background-position:0 0}}@keyframes ctaRing{0%,to{opacity:.35;top:-5px;bottom:-5px;left:-5px;right:-5px}50%{opacity:1;top:-9px;bottom:-9px;left:-9px;right:-9px}}@keyframes ctaNudge{0%,to{transform:translate(0)}50%{transform:translate(4px)}}@media (prefers-reduced-motion:reduce){.hackathon .kv-cta .btn-primary,.hackathon .kv-cta .btn-primary:before,.hackathon .kv-cta .btn-primary svg{animation:none}}@media (max-width:1199px){.hackathon .kv{padding:92px 0 0}.hackathon .kv-title-m{width:calc(100% - 2*var(--gutter));max-width:760px;height:auto;margin:0 var(--gutter);display:block}.hackathon .kv-meta{margin:26px var(--gutter)0;-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 0;display:grid;position:static}.hackathon .kv-meta div,.hackathon .kv-meta div:first-child{border-left:1px solid rgba(106,72,255,.6);padding:0 14px}.hackathon .kv-meta div:nth-child(odd){border-left:0;padding-left:0}.hackathon .kv-meta dt{font-size:12.5px}.hackathon .kv-meta dd{white-space:normal;font-size:15px}.hackathon .kv-cta{padding:0 var(--gutter);margin-top:22px;position:static}.hackathon .kv-view{aspect-ratio:1200/630;margin-top:8px;-webkit-mask-image:linear-gradient(transparent,#000 14%);mask-image:linear-gradient(transparent,#000 14%)}.hackathon .kv-stage{width:160%;height:171.429%;top:-57.1429%;bottom:auto;left:-40%;right:auto}.hackathon .kv-title{display:none}}.hackathon .strip{border-block:1px solid var(--border-subtle);background:var(--bg-2);margin-top:max(24px,min(3vw,48px))}.hackathon .partners{border-top:1px solid var(--border-subtle);flex-wrap:nowrap;justify-content:space-between;align-items:center;gap:12px 32px;padding-top:18px;padding-bottom:22px;display:flex}.hackathon .partners .pt-note{white-space:nowrap;flex-shrink:0}@media (max-width:640px){.hackathon .partners{flex-wrap:wrap}}.hackathon .pt-rows{flex-direction:column;flex:auto;gap:4px;min-width:0;display:flex}.hackathon .pt-rows .pt-marquee{flex:none}@media (max-width:640px){.hackathon .pt-rows{flex-basis:100%}}.hackathon .pt-marquee{flex:auto;min-width:0;position:relative;overflow:hidden}.hackathon .pt-marquee:before,.hackathon .pt-marquee:after{content:"";z-index:1;pointer-events:none;width:48px;position:absolute;top:0;bottom:0}.hackathon .pt-marquee:before{background:linear-gradient(90deg,var(--bg-2),transparent);width:20px;left:0}.hackathon .pt-marquee:after{background:linear-gradient(270deg,var(--bg-2),transparent);right:0}.hackathon .pt-track{will-change:transform;width:-webkit-max-content;width:-moz-max-content;width:max-content;animation:70s linear infinite paused ptDrift;display:flex}.hackathon .pt-marquee.rev .pt-track{animation-direction:reverse}.hackathon .pt-marquee.run .pt-track{animation-play-state:running}.hackathon .pt-marquee.run:hover .pt-track{animation-play-state:paused}.hackathon .pt-set{align-items:center;gap:max(36px,min(4vw,64px));padding-left:24px;padding-right:calc(max(36px,min(4vw,64px)) - 24px);display:flex}.hackathon .pt-role{color:var(--text-muted);white-space:nowrap;margin-right:calc(-1*max(36px,min(4vw,64px)) + 14px);font-size:15px}.hackathon .pt-logo{white-space:nowrap;align-items:center;height:44px;display:flex}.hackathon .pt-logo img,.hackathon .pt-logo svg{width:auto;max-width:none;display:block}.hackathon .pt-word{color:var(--text);letter-spacing:.01em;font-size:22px;font-weight:700;line-height:1}@keyframes ptDrift{0%{transform:translate(0,0)}to{transform:translate(-50%)}}@media (prefers-reduced-motion:reduce){.hackathon .pt-track{width:100%;animation:none}.hackathon .pt-marquee:before,.hackathon .pt-marquee:after,.hackathon .pt-set[aria-hidden]{display:none}.hackathon .pt-set{flex-wrap:wrap;gap:12px 24px;width:100%;padding:0}}.hackathon .pt-note{color:var(--text-muted);font-size:13px}.hackathon .partners .pt-fixed{flex-shrink:0;margin:0}.hackathon .strip-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:32px;padding-top:28px;padding-bottom:28px;display:flex}.hackathon .strip-label{color:var(--text-soft);font-size:16px}.hackathon .strip-label strong{color:var(--text);font-size:max(20px,min(1.6vw,24px));font-weight:700;display:block}.hackathon .countdown{gap:8px;display:flex}.hackathon .cd-unit{text-align:center;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);min-width:92px;padding:12px 14px}.hackathon .cd-unit b{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:34px;font-weight:600;line-height:1.2;display:block}.hackathon .cd-unit span{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);font-size:12px;font-weight:600}.hackathon section.block{padding-block:var(--section-y);position:relative}.hackathon .sec-head{grid-template-columns:1fr 1fr;align-items:end;gap:48px;margin-bottom:72px;display:grid}.hackathon .sec-index{font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted);align-items:center;gap:12px;margin-bottom:20px;font-size:12px;font-weight:600;display:flex}.hackathon .sec-index:before{content:"";background:var(--grad);width:24px;height:1px}.hackathon #prizes .sec-head{margin-bottom:44px}.hackathon .sec-title .pool-amt{margin-bottom:10px;font-size:max(44px,min(min(14.5vw,6.4vw + 8px),104px));line-height:1;display:inline-block}.hackathon .pool-amt.odo{color:#988dff;-webkit-text-fill-color:currentColor;background:0 0;align-items:flex-end;padding-right:.04em;display:inline-flex;position:relative;overflow:hidden}.hackathon .odo-col{height:1.1em;line-height:1.1;display:inline-block;overflow:hidden}.hackathon .odo-strip{flex-direction:column;display:flex;transform:translate(0,0)}.hackathon .odo-strip>span{height:1.1em}.hackathon .odo-fix{line-height:1.1}.hackathon .pool-amt.odo:after{content:"";pointer-events:none;opacity:0;mix-blend-mode:overlay;background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);width:30%;position:absolute;top:0;bottom:0;left:-40%;transform:skew(-18deg)}.hackathon .pool-amt.odo.landed:after{animation:.55s cubic-bezier(.3,.6,.3,1) forwards odoSheen}.hackathon .pool-amt.odo.landed{animation:.9s ease-out odoGlow}@keyframes odoSheen{0%{opacity:1;left:-40%}to{opacity:1;left:120%}}@keyframes odoGlow{0%{text-shadow:0 0 rgba(152,141,255,0)}30%{text-shadow:0 0 28px rgba(152,141,255,.75),0 0 64px rgba(106,72,255,.45)}to{text-shadow:0 0 rgba(152,141,255,0)}}.hackathon .sec-title{letter-spacing:-.03em;font-size:max(34px,min(4.6vw,60px));font-weight:600;line-height:1.08}.hackathon[lang=zh_CN] .sec-title{letter-spacing:.02em;line-height:1.22}.hackathon .sec-head-stack{display:block}.hackathon .sec-head-stack .sec-desc{max-width:900px;margin-top:22px}.hackathon .sec-desc{color:var(--text-soft);max-width:520px;font-size:17px;font-weight:500}.hackathon #timeline .sec-head{grid-template-columns:auto minmax(0,1fr)}.hackathon #timeline .sec-desc{text-align:right;white-space:nowrap;max-width:none;padding-right:2px}.hackathon[lang=zh_CN] #timeline .sec-desc{margin-right:calc(2.75px - .678em);padding-right:0}.hackathon .about-grid{grid-template-columns:1.1fr 1fr;gap:24px;display:grid}.hackathon .about-lead{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);padding:max(32px,min(4vw,56px));position:relative;overflow:hidden}.hackathon .about-lead:before{content:"";background:var(--grad-soft);pointer-events:none;position:absolute;top:0;bottom:0;left:0;right:0}.hackathon .about-lead>*{position:relative}.hackathon .about-lead p{color:var(--text);font-size:max(17px,min(1.3vw,19px));font-weight:500;line-height:1.8}.hackathon .about-lead p+p{color:var(--text-soft);margin-top:18px;font-size:16px;line-height:1.8}.hackathon .about-lead p strong{font-weight:700}.hackathon .about-lead p.punch{border-top:1px solid var(--border);color:var(--text);margin-top:28px;padding-top:24px;font-weight:600}.hackathon .demo-wall{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);flex-direction:column;min-height:460px;display:flex;position:relative;overflow:hidden}.hackathon .demo-head{border-bottom:1px solid var(--border-subtle);z-index:2;background:var(--surface);flex-wrap:wrap;align-items:center;gap:10px;padding:18px 22px;font-size:14px;font-weight:600;display:flex;position:relative}.hackathon .demo-head .mono{letter-spacing:.14em;color:var(--ice);border:1px solid rgba(181,172,255,.35);border-radius:6px;padding:2px 8px;font-size:11.5px}.hackathon .demo-head em{color:var(--text-muted);margin-left:auto;font-size:12px;font-style:normal;font-weight:500}.hackathon .demo-cols{contain:size;flex:1 1 0;grid-template-columns:1fr 1fr;gap:12px;min-height:0;padding:0 12px;display:grid;position:relative;overflow:hidden}.hackathon .demo-cols:before,.hackathon .demo-cols:after{content:"";z-index:2;pointer-events:none;height:12%;position:absolute;left:0;right:0}.hackathon .demo-cols:before{background:linear-gradient(var(--surface),transparent);top:0}.hackathon .demo-cols:after{background:linear-gradient(transparent,var(--surface));bottom:0}.hackathon .demo-col{cursor:grab;touch-action:pan-x;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;position:relative;overflow:hidden}.hackathon .demo-col.dragging{cursor:grabbing}.hackathon .demo-track{will-change:transform;-webkit-backface-visibility:hidden;backface-visibility:hidden;flex-direction:column;gap:12px;display:flex}.hackathon .demo-dup{display:contents}@keyframes demoUp{0%{transform:translate(0,0)}to{transform:translateY(calc(-50% - 6px))}}@keyframes demoDown{0%{transform:translateY(calc(-50% - 6px))}to{transform:translate(0,0)}}.hackathon .demo-tile{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-2);margin:0;transition:border-color .25s;position:relative;overflow:hidden}.hackathon .demo-tile:hover{border-color:var(--border-strong)}.hackathon .demo-tile:after{content:"";pointer-events:none;opacity:0;background:rgba(10,8,20,.6) url(https://qhstaticssl.kujiale.com/image/svgxml/1791885257864/FBE02796AAA5F2F771C5DCC936544E8C.svg) 50%/20px no-repeat;border:1px solid rgba(181,172,255,.6);border-radius:50%;width:46px;height:46px;margin:-23px 0 0 -23px;transition:opacity .2s,transform .2s;position:absolute;top:calc(50% - 20px);left:50%;transform:scale(.85)}.hackathon .demo-tile:hover:after{opacity:1;transform:none}.hackathon .lb{z-index:120;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:rgba(3,2,8,.82);align-items:center;justify-items:center;padding:24px;display:grid;position:fixed;top:0;bottom:0;left:0;right:0}.hackathon .lb[hidden]{display:none}.hackathon .lb-box{width:min(1100px,100%);position:relative}.hackathon .lb-box video{border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:#000;width:100%;max-height:calc(100vh - 140px);display:block}.hackathon .lb-cap{margin-top:12px;font-size:15px;font-weight:600}.hackathon .lb-x{z-index:2;border:1px solid var(--border-strong);color:#fff;cursor:pointer;background:rgba(5,5,6,.7);border-radius:50%;width:36px;height:36px;font-size:20px;line-height:1;position:absolute;top:12px;right:12px}.hackathon .lb-x:hover{border-color:var(--ice)}.hackathon .demo-art{aspect-ratio:16/10;width:100%;height:auto;display:block}.hackathon .demo-vid{object-fit:cover;background:#000}.hackathon .demo-tile figcaption{justify-content:space-between;align-items:center;gap:8px;padding:10px 12px;font-size:13px;font-weight:600;display:flex}.hackathon .demo-tile figcaption em{color:var(--ice);white-space:nowrap;font-size:11.5px;font-style:normal;font-weight:600}.hackathon .ico,.hackathon .api-icon,.hackathon .jg-icon,.hackathon .pz-icon,.hackathon .empty-icon,.hackathon .modal-icon{width:48px;height:48px;box-shadow:none;background:linear-gradient(#988dff,#988dff) 0 0/5px 5px no-repeat,linear-gradient(#988dff,#988dff) 100% 0/5px 5px no-repeat,linear-gradient(#988dff,#988dff) 0 100%/5px 5px no-repeat,linear-gradient(#988dff,#988dff) 100% 100%/5px 5px no-repeat,#050409;border:1px dotted rgba(152,141,255,.7);border-radius:0;flex-shrink:0;align-items:center;justify-items:center;display:grid;position:relative}.hackathon .ico svg,.hackathon .api-icon svg,.hackathon .jg-icon svg,.hackathon .pz-icon svg,.hackathon .empty-icon svg,.hackathon .modal-icon svg{-webkit-filter:drop-shadow(0 0 7px rgba(123,92,255,.5));filter:drop-shadow(0 0 7px rgba(123,92,255,.5));width:28px;height:28px;overflow:visible}.hackathon .ico-3d{width:40px;height:40px;display:block}.hackathon .api-icon .ico-img{object-fit:contain;width:30px;height:30px;display:block}.hackathon .drop-file svg{-webkit-filter:drop-shadow(0 0 4px rgba(123,92,255,.5));filter:drop-shadow(0 0 4px rgba(123,92,255,.5))}.hackathon .empty-icon{margin-bottom:18px}.hackathon .perks{grid-template-columns:repeat(4,1fr);gap:20px;margin-top:24px;display:grid}.hackathon .perk{border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:28px 24px;transition:border-color .25s}.hackathon .perk:hover{border-color:var(--border-strong)}.hackathon .perk .ico{margin-bottom:18px}.hackathon .perk h4{margin-bottom:6px;font-size:16px;font-weight:600}.hackathon .perk p{color:var(--text-muted);font-size:14px;line-height:1.75}.hackathon .perk p+p{margin-top:10px}.hackathon .perk p strong{color:var(--text-soft);font-weight:600}.hackathon .perk h4,.hackathon .perk p{text-wrap:pretty}.hackathon .perk{flex-direction:column;display:flex}.hackathon .perk h4{line-height:1.4}.hackathon .res-grid{grid-template-columns:1.55fr 1fr;gap:20px;display:grid}.hackathon .res-main{border:1px solid var(--border);border-radius:var(--radius);isolation:isolate;background:#030407;justify-content:space-between;align-items:center;gap:24px;padding:max(32px,min(4vw,52px));display:flex;position:relative;overflow:hidden}.hackathon .res-badge{color:#cfc7ff;letter-spacing:.16em;text-shadow:0 0 18px rgba(123,92,255,.55);background:0 0;align-items:center;gap:12px;padding:0;font-size:16px;font-weight:700;display:inline-flex}.hackathon .res-badge:before{content:"";background:#b5acff;border-radius:50%;width:9px;height:9px;box-shadow:0 0 12px 3px rgba(123,92,255,.85)}.hackathon .res-name{white-space:nowrap;letter-spacing:-.03em;margin:22px 0 18px;font-size:max(34px,min(3.5vw,60px));font-weight:700;line-height:1}.hackathon .res-main p{color:var(--text-soft);font-size:16px;line-height:1.75}.hackathon .res-main-body{z-index:1;flex:56%;min-width:0;position:relative}.hackathon .res-media{aspect-ratio:900/676;flex:44%;align-items:center;justify-items:center;min-width:0;max-width:400px;display:grid;position:relative}.hackathon .res-media .res-vid{object-fit:contain;opacity:0;width:100%;height:100%;transition:opacity .6s;position:absolute;top:0;bottom:0;left:0;right:0;-webkit-mask-image:radial-gradient(closest-side,#000 62%,transparent);mask-image:radial-gradient(closest-side,#000 62%,transparent)}.hackathon .res-media.playing .res-vid{opacity:1}.hackathon .res-media.playing .res-art{opacity:0}.hackathon .res-art{-webkit-filter:drop-shadow(0 20px 40px rgba(123,92,255,.25));filter:drop-shadow(0 20px 40px rgba(123,92,255,.25));flex-shrink:0;width:max(150px,min(16vw,220px));height:auto;transition:opacity .4s}.hackathon .res-side{grid-template-rows:1fr 1fr;gap:16px;display:grid}.hackathon .res-item>div{flex-direction:column;min-width:0;height:100%;display:flex}.hackathon .res-item .res-more{margin-top:auto;padding-top:14px}.hackathon .res-api{border:1px solid var(--border);border-radius:var(--radius);background:#030407;flex-direction:column;padding:22px 24px;transition:border-color .25s;display:flex}.hackathon .res-api:hover{border-color:var(--border-strong)}.hackathon .api-head{align-items:center;gap:12px;margin-bottom:16px;display:flex}.hackathon .res-api h4{align-items:baseline;gap:10px;font-size:20px;font-weight:700;display:flex}.hackathon .res-api h4 em{color:var(--text-muted);border:1px solid var(--border-strong);border-radius:var(--radius-pill);padding:2px 8px;font-size:12px;font-style:normal;font-weight:600}.hackathon .api-desc{color:var(--text-muted);margin:-4px 0 14px;font-size:14px;line-height:1.7}.hackathon .res-item{border:1px solid var(--border);border-radius:var(--radius);background:#030407;align-items:flex-start;gap:16px;padding:18px 24px;transition:border-color .25s;display:flex}.hackathon .res-item:hover{border-color:var(--border-strong)}.hackathon .res-link{color:inherit;transition:color .2s}.hackathon .res-link:hover{color:var(--ice)}.hackathon .res-more{color:var(--ice);align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;transition:color .2s,gap .2s;display:inline-flex}.hackathon .res-more svg{width:14px;height:14px}.hackathon .res-more:hover{color:#fff;gap:8px}.hackathon .res-main .res-more{margin-top:22px;font-size:15px}.hackathon .res-item h4{align-items:baseline;gap:10px;font-size:18px;font-weight:600;display:flex}.hackathon .res-item h4 em{color:var(--text-muted);border:1px solid var(--border-strong);border-radius:var(--radius-pill);padding:2px 8px;font-size:12px;font-style:normal;font-weight:600}.hackathon .res-item p{color:var(--text-muted);margin-top:4px;font-size:14px}.hackathon .res-banner{border:1px solid var(--border);border-radius:var(--radius);background:#030407;justify-content:space-between;align-items:center;gap:24px;margin-top:20px;padding:26px 32px;display:flex}.hackathon .res-banner h4{margin-bottom:4px;font-size:18px;font-weight:600}.hackathon .res-banner p{color:var(--text-muted);font-size:14px}.hackathon .pz-special{border-radius:var(--radius);isolation:isolate;background:linear-gradient(var(--surface),var(--surface))padding-box,var(--grad)border-box;border:1px solid transparent;justify-content:space-between;align-items:center;gap:24px;margin-bottom:16px;padding:max(22px,min(2.4vw,32px)) max(22px,min(3vw,40px));display:flex;position:relative;overflow:hidden}.hackathon .pz-special:after{content:"";z-index:-1;background:radial-gradient(60% 120% at 100% 50%,rgba(106,72,255,.28),transparent 70%),var(--grad-soft);position:absolute;top:0;bottom:0;left:0;right:0}.hackathon .pz-sp-main{align-items:center;gap:18px;display:flex}.hackathon .pz-special .prize-rank{color:var(--text);letter-spacing:0;text-transform:none;font-size:max(20px,min(2vw,28px));font-weight:700}.hackathon .pz-sp-amt{text-align:right}.hackathon .pz-special .prize-amt{margin:0 0 6px;font-size:max(40px,min(4.2vw,62px))}.hackathon .pz-special .prize-count{margin:0}.hackathon .prizes{grid-template-columns:repeat(3,1fr);align-items:stretch;gap:16px;display:grid}.hackathon .prizes,.hackathon .awards{overscroll-behavior-x:contain;scroll-snap-type:x proximity;scrollbar-width:thin;scrollbar-color:var(--border-strong)transparent;overflow-x:auto}.hackathon .prize,.hackathon .award{scroll-snap-align:start;min-width:0}.hackathon .prize{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);flex-direction:column;padding:40px 36px;display:flex;position:relative}.hackathon .prize.grand{background:linear-gradient(var(--surface),var(--surface))padding-box,var(--grad)border-box;border:1px solid transparent}.hackathon .prize.grand:after{content:"";border-radius:inherit;background:var(--grad-soft);pointer-events:none;position:absolute;top:0;bottom:0;left:0;right:0}.hackathon .prize>*{z-index:1;position:relative}.hackathon .prize-rank{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);font-size:12px;font-weight:600}.hackathon .prize-amt{letter-spacing:-.03em;font-variant-numeric:tabular-nums;flex-wrap:wrap;align-items:baseline;gap:10px;margin:28px 0 8px;font-size:max(34px,min(3.2vw,46px));font-weight:600;line-height:1;display:flex}.hackathon .prize-amt .pz-x{color:var(--text-soft);letter-spacing:0;font-size:.42em;font-style:normal;font-weight:500}.hackathon .prize-money{vertical-align:top;flex-direction:column;gap:8px;display:inline-flex}.hackathon .prize-cny{white-space:nowrap}.hackathon .pz-special .prize-cny{background:var(--grad);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hackathon .prize-usd,.hackathon .pool-usd{color:var(--text-soft);letter-spacing:0;white-space:nowrap;font-size:14px;font-weight:400;line-height:1.5}.hackathon .pool-usd{margin-top:12px;font-size:18px}.hackathon .prize-amt sup,.hackathon .yen{vertical-align:baseline;letter-spacing:0;margin-right:2px;font-size:20px;font-weight:500;line-height:1}.hackathon .prize .yen,.hackathon .award .yen{color:var(--text-soft)}.hackathon .prize-count{color:var(--text-muted);margin-bottom:28px;font-size:14px}.hackathon .prize .prize-amt{margin:20px 0 0}.hackathon .prize{padding:26px 30px 28px}.hackathon .prize ul{border-top:1px solid var(--border-subtle);gap:10px;margin-top:auto;padding-top:20px;list-style:none;display:grid}.hackathon .prize li{color:var(--text-soft);align-items:flex-start;gap:10px;font-size:14px;display:flex}.hackathon .prize li svg{width:16px;height:16px;stroke:var(--ice);flex-shrink:0;margin-top:4px}.hackathon .awards{--award-min-width:0px;grid-template-columns:repeat(var(--award-columns),minmax(var(--award-min-width),1fr));gap:16px;margin-top:16px;display:grid}.hackathon .award{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);flex-direction:column;padding:26px 30px 28px;display:flex}.hackathon .award-name{letter-spacing:.03em;color:var(--text-muted);font-size:14px;font-weight:600;line-height:1.5}.hackathon .award b i{color:var(--text-muted);font-size:.7em;font-style:normal;font-weight:600}.hackathon .award p{color:var(--text-muted);margin-top:4px;font-size:14px}.hackathon .sec-desc .link-btn{font-size:inherit;vertical-align:baseline;padding:0 2px}.hackathon .prize-total{border-top:1px solid var(--border-subtle);color:var(--text-soft);margin-top:auto;padding-top:18px;font-size:14px;font-weight:600}.hackathon .award b{letter-spacing:-.02em;font-variant-numeric:tabular-nums;flex-wrap:wrap;align-items:baseline;gap:8px;margin-top:auto;padding-top:16px;font-size:max(24px,min(2vw,30px));font-weight:600;line-height:1;display:flex}.hackathon #prizes{overflow-x:clip}.hackathon .pzf{isolation:isolate;margin-bottom:max(100px,min(10vw,160px));padding:24px 0 200px;position:relative}.hackathon .pzf>.pzf-deco{z-index:0;pointer-events:none;position:absolute;top:-260px;bottom:0}.hackathon .pzf-deco canvas{width:100%;height:100%;image-rendering:pixelated;display:block}.hackathon .pzf-deco i{opacity:.15;background:#8b8a99;width:8px;height:8px;animation:5s ease-in-out infinite pzf-twinkle;position:absolute}.hackathon .pzf-deco i.o{background:0 0;border:1px solid #8b8a99;width:12px;height:12px}.hackathon .pzf-deco i.v{background:#7b5cff}@keyframes pzf-twinkle{0%,to{opacity:.1}50%{opacity:.5}}@media (prefers-reduced-motion:reduce){.hackathon .pzf-deco i{animation:none}}.hackathon .pzf-tube{opacity:.92;pointer-events:none;z-index:0;width:100%;height:calc(100% + 440px);position:absolute;top:-320px;left:0}.hackathon .pzf-tube canvas{visibility:hidden;width:100vw;height:100vh;display:block;position:fixed;top:0;left:0}.hackathon .pzf-tube.on canvas{visibility:visible}.hackathon .pzf-tube .tb-glow{image-rendering:auto}.hackathon .pzf>div:not(.pzf-tube):not(.pzf-deco){z-index:1;position:relative}.hackathon .pzf-item{--pzf-detail:#34343c}.hackathon .pzf-hero{padding:32px 0 120px}.hackathon .pzf-bigrow{align-items:baseline;gap:14px;display:flex}.hackathon .pzf-x{color:var(--pzf-detail);font-size:max(16px,min(1.4vw,20px));font-style:normal}.hackathon .pzf-name{letter-spacing:-.01em;color:#34343c;margin:0;font-size:max(28px,min(2.9vw,44px));font-weight:500;line-height:1.1;transition:color .6s}.hackathon[lang=zh_CN] .pzf-name{font-family:var(--font-title);letter-spacing:.02em;font-weight:400}.hackathon .pzf-name.pzf-top{color:#fff;margin:4px 0 14px;font-size:max(36px,min(3.8vw,58px));display:block}.hackathon .pzf-big{letter-spacing:-.05em;color:transparent;background:linear-gradient(90deg,#fff 0%,#d6d0ff 35%,#9b8bff 70%,#7b5cff);-webkit-background-clip:text;background-clip:text;font-size:max(48px,min(5.2vw,76px));font-weight:600;line-height:.9}.hackathon .pzf-big sup{color:#fff;-webkit-text-fill-color:#fff;vertical-align:top;letter-spacing:0;margin-right:.06em;font-size:.3em;position:relative;top:.35em}.hackathon .pzf-sub{min-height:1.2em;color:var(--pzf-detail);margin:18px 0 0;font-size:max(15px,min(1.25vw,18px))}.hackathon .pzf-grp{padding-bottom:110px}.hackathon .pzf-grp:last-child{padding-bottom:0}.hackathon .pzf-ranks{width:min(520px,46%);margin-top:-60px;margin-left:auto}.hackathon .pzf-grp+.pzf-grp{margin-top:190px}.hackathon .pzf-ranks .pzf-row{padding:18px 0}.hackathon .pzf-row{justify-content:space-between;align-items:center;gap:24px;padding:22px 0;display:flex}.hackathon .pzf-amt{text-align:right;flex-wrap:wrap;justify-content:flex-end;align-items:baseline;gap:10px;margin:0;display:flex}.hackathon .pzf-amt b{white-space:nowrap;font-variant-numeric:tabular-nums;color:#44444c;font-size:max(22px,min(2vw,30px));font-weight:600;transition:color .6s}.hackathon .pzf-amt i{color:var(--pzf-detail);font-size:15px;font-style:normal}.hackathon .pzf-amt small{color:var(--pzf-detail);flex-basis:100%;font-size:13px}.hackathon .pzf-name em{color:var(--pzf-detail);letter-spacing:0;white-space:nowrap;margin-left:10px;font-size:.5em;font-style:normal}.hackathon .pzf-aws{grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;display:grid}.hackathon .pzf-aw{min-width:0;padding:6px 0}.hackathon .pzf-aw .pzf-name{font-size:max(22px,min(2vw,29px))}.hackathon .pzf-aw .pzf-amt{text-align:left;justify-content:flex-start;margin-top:12px}.hackathon .pzf-aw .pzf-amt b{font-size:max(17px,min(1.4vw,21px))}.hackathon .pzf-aw .pzf-list{color:#34343c;gap:12px;margin:22px 0 0;padding:0;font-size:max(14px,min(1.15vw,17px));line-height:1.6;list-style:none;transition:color .6s;display:grid}.hackathon .pzf-aw .pzf-list li{color:#34343c;align-items:baseline;gap:10px;transition:color .6s;display:flex}.hackathon .pzf-aw .pzf-list li:before{content:"";opacity:.2;background:#7b5cff;flex-shrink:0;align-self:center;width:6px;height:6px;transition:opacity .6s;transform:rotate(45deg);box-shadow:0 0 8px rgba(123,92,255,.9)}.hackathon .pzf-aw .pzf-list li.on:before{opacity:1}.hackathon .pzf-aw .pzf-list em{color:var(--pzf-detail);white-space:nowrap;font-size:.85em;font-style:normal}.hackathon .pzf-x,.hackathon .pzf-sub,.hackathon .pzf-amt i,.hackathon .pzf-amt small,.hackathon .pzf-name em,.hackathon .pzf-aw .pzf-list em{transition:color .6s}.hackathon .pzf-note{color:var(--text-muted);margin:30px 0 0;font-size:13px}.hackathon .pzf-item.on{--pzf-detail:var(--text-muted)}.hackathon .pzf-item.on .pzf-name,.hackathon .pzf-aw .pzf-list li.on{color:var(--text-soft)}.hackathon .pzf-item.on .pzf-amt b{color:var(--text)}@media (max-width:760px){.hackathon .pzf-tube{opacity:.6}.hackathon .pzf{padding-bottom:170px}.hackathon .pzf-ranks{width:auto;margin-top:0;margin-left:0}.hackathon .pzf-grp+.pzf-grp{margin-top:0}.hackathon .pzf-big{font-size:13vw}.hackathon .pzf-hero{padding-bottom:90px}.hackathon .pzf-grp{padding-bottom:80px}.hackathon .pzf-row{flex-direction:column;align-items:flex-start;gap:10px}.hackathon .pzf-amt{text-align:left;justify-content:flex-start}.hackathon .pzf-aws{grid-template-columns:1fr;gap:28px}}.hackathon .tl2-track{padding:0 2px;position:relative}.hackathon .tl2-top{height:90px;position:relative}.hackathon .tl2-ev{z-index:4;flex-direction:column;align-items:center;display:flex;position:absolute;bottom:0;transform:translate(-50%)}.hackathon .tl2-ev b{width:24px;height:24px;color:var(--text);background:var(--surface-2);border:1px solid var(--border-strong);border-radius:50%;align-items:center;justify-items:center;font-size:12px;font-weight:700;transition:all .3s;display:grid}.hackathon .tl2-ev:after{content:"";background:var(--border-strong);width:1px;height:12px}.hackathon .tl2-ev.past b{color:var(--text-muted);background:var(--bg-2);border-color:var(--border)}.hackathon .tl2-ev.next b,.hackathon .tl2-ev.live b{color:#fff;background:#7b5cff;border-color:#7b5cff;box-shadow:0 0 0 4px rgba(123,92,255,.25)}.hackathon .tl2-rail{background:linear-gradient(90deg,rgba(106,72,255,.16) 0 59.44%,rgba(181,172,255,.09) 59.44% 85.07%,rgba(255,255,255,.02) 85.07%),var(--bg-2);border:1px solid rgba(106,72,255,.35);border-radius:12px;height:40px;position:relative;overflow:hidden}.hackathon .tl2-seg{z-index:2;white-space:nowrap;align-items:center;padding:0 14px;font-size:12.5px;font-weight:700;display:flex;position:absolute;top:0;bottom:0;overflow:hidden}.hackathon .tl2-run{color:var(--text)}.hackathon .tl2-rev{color:var(--ice)}.hackathon .tl2-rev i{opacity:.8;margin-left:4px;font-style:normal;font-weight:600}.hackathon .tl2-tbd{display:none}.hackathon .tl2-fill{z-index:1;width:0;transition:width 1.4s var(--ease);background:linear-gradient(90deg,rgba(106,72,255,.5),rgba(123,92,255,.55) 85%,rgba(150,135,255,.7));position:absolute;top:0;bottom:0;left:0}.hackathon .tl2-fill:after{content:"";background:#fff;width:2px;position:absolute;top:0;bottom:0;right:-1px;box-shadow:0 0 10px rgba(255,255,255,.7)}.hackathon .tl2-dot{z-index:1;background:rgba(255,255,255,.16);width:1px;position:absolute;top:0;bottom:0}.hackathon .tl2-rail .tl2-dot:first-of-type,.hackathon .tl2-rail .tl2-dot:last-of-type{display:none}.hackathon .tl2-labels{height:58px;margin-top:10px;position:relative}.hackathon .tl2-ms{white-space:nowrap;flex-direction:column;gap:2px;display:flex;position:absolute;top:0}.hackathon .tl2-ms .mono{color:var(--ice);font-size:12.5px;font-weight:600}.hackathon .tl2-ms strong{font-size:15px;font-weight:700}.hackathon .tl2-c{align-items:center;transform:translate(-50%)}.hackathon .tl2-r{align-items:flex-end;transform:translate(-100%)}.hackathon[lang=en_US] .tl2-labels{height:74px}.hackathon[lang=en_US] .tl2-labels .tl2-ms:nth-child(3){text-align:right;align-items:flex-end;transform:translate(-100%)}.hackathon[lang=en_US] .tl2-r{white-space:normal;text-align:right;width:9.6em}.hackathon .tl2-today{z-index:3;pointer-events:none;height:90px;transition:left 1.4s var(--ease);position:absolute;top:0;left:0}.hackathon .tl2-today .tl2-pill{pointer-events:auto;cursor:ew-resize;touch-action:none}.hackathon .tl2-pill:after{content:"⇆";opacity:.55;margin-left:6px;font-size:11px}.hackathon .tl2-rail,.hackathon .tl2-top{cursor:ew-resize;touch-action:pan-y}.hackathon .tl2-track.scrubbing,.hackathon .tl2-track.scrubbing *{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:ew-resize!important}.hackathon .tl2-track.scrubbing .tl2-today,.hackathon .tl2-track.scrubbing .tl2-fill{transition:none}.hackathon .tl2-today.preview .tl2-pill{background:#b5acff}.hackathon .tl2-today.preview .tl2-pill [data-i18n=tl\.today]{display:none}.hackathon .tl2-today.preview .tl2-pill b:before{content:""}.hackathon .tl2-today:after{content:"";background:#fff;width:2px;margin-left:-1px;position:absolute;top:26px;bottom:6px;left:0;box-shadow:0 0 10px rgba(255,255,255,.6)}.hackathon .tl2-today.on-ev{height:50px}.hackathon .tl2-today:before{content:"";border:5px solid transparent;border-top:6px solid #fff;border-bottom:0;position:absolute;bottom:0;left:-5px}.hackathon .tl2-pill{border-radius:var(--radius-pill);color:#101012;white-space:nowrap;background:#fff;padding:4px 10px;font-size:12px;font-weight:700;position:absolute;top:0;left:0;transform:translate(-50%)}.hackathon .tl2-pill b{font-weight:700}.hackathon .tl2-today.edge-l .tl2-pill{left:-12px;transform:none}.hackathon .tl2-today.edge-r .tl2-pill{left:8px;transform:translate(-100%)}.hackathon .tl2-mslist{display:none}.hackathon .tl2-events{margin-top:40px}.hackathon .tl2-ehead{flex-wrap:wrap;align-items:baseline;gap:16px;margin-bottom:18px;display:flex}.hackathon .tl2-ehead .rules-title{margin:0;font-size:22px}.hackathon .tl2-ehead .rules-desc{color:var(--text-muted);font-size:14px}.hackathon .tl2-cards .tl2-card{gap:12px;padding:22px 20px 18px}.hackathon .tl2-cards .tl2-ctop{gap:10px}.hackathon .tl2-cards .tl2-date{color:var(--ice);letter-spacing:0;white-space:nowrap;font-size:13.5px;font-weight:600}.hackathon .tl2-cards .tl2-card h4{margin:6px 0 18px;font-size:17.5px;line-height:1.45}.hackathon .tl2-cfoot{border-top:1px solid var(--border-subtle);flex-shrink:0;justify-content:space-between;align-items:center;gap:10px;width:100%;height:58px;margin-top:auto;padding-top:18px;display:flex}.hackathon .tl2-cfoot .tl2-type{color:var(--text-muted);white-space:nowrap;border:0;align-items:center;gap:6px;padding:0;font-size:12px;font-weight:600;display:inline-flex}.hackathon .tl2-cfoot .tl2-type:before{content:"";background:currentColor;border-radius:50%;width:6px;height:6px}.hackathon .tl2-cfoot .tl2-live,.hackathon .tl2-cfoot .tl2-on{color:var(--ice)}.hackathon .tl2-cfoot .tl2-rsv{margin:0}.hackathon .tl2-card.live .tl2-state{color:#fff;background:#7b5cff;box-shadow:0 0 12px rgba(123,92,255,.8)}.hackathon .tl2-card.live .tl2-state:before{content:"";vertical-align:1px;background:#fff;border-radius:50%;width:6px;height:6px;margin-right:5px;animation:1.4s ease-in-out infinite msPulse;display:inline-block}.hackathon .tl2-ctop{gap:6px}.hackathon .tl2-ctop .mono{letter-spacing:-.02em}.hackathon .tl2-cards{grid-template-columns:repeat(5,1fr);gap:12px;display:grid}.hackathon .tl2-cards.tl2-cards-intl{grid-template-columns:minmax(0,1fr);max-width:320px}.hackathon .tl2-date-note{color:var(--text-muted);white-space:nowrap;font-size:13px;font-weight:500}.hackathon .tl2-card[data-tentative=true] .tl2-state{background:var(--surface-2);color:var(--text-soft)}.hackathon .tl2-card{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);flex-direction:column;align-items:flex-start;gap:10px;padding:18px 15px;transition:border-color .25s,opacity .25s;display:flex;position:relative}.hackathon .tl2-card:hover{border-color:var(--border-strong)}.hackathon .tl2-card.past{opacity:.5}.hackathon .tl2-card.next,.hackathon .tl2-card.live{background:linear-gradient(160deg,rgba(123,92,255,.14),transparent 60%),var(--surface);border-color:#7b5cff;box-shadow:0 0 0 1px #7b5cff,0 16px 40px -20px rgba(123,92,255,.8)}.hackathon .tl2-ctop{align-items:center;gap:8px;width:100%;display:flex}.hackathon .tl2-ctop .mono{color:var(--ice);font-size:12.5px;font-weight:600}.hackathon .tl2-num{background:var(--surface-2);border:1px solid var(--border-strong);border-radius:50%;align-items:center;justify-items:center;width:22px;height:22px;font-size:11.5px;font-weight:700;display:grid}.hackathon .tl2-card.next .tl2-num,.hackathon .tl2-card.live .tl2-num{background:#7b5cff;border-color:#7b5cff}.hackathon .tl2-state{border-radius:var(--radius-pill);margin-left:auto;padding:2px 8px;font-size:11px;font-weight:700}.hackathon .tl2-state:empty{display:none}.hackathon .tl2-card.next .tl2-state,.hackathon .tl2-card.live .tl2-state{color:#fff;background:#7b5cff}.hackathon .tl2-card.past .tl2-state{background:var(--surface-2);color:var(--text-muted)}.hackathon .tl2-type{border:1px solid var(--border-strong);color:var(--text-soft);border-radius:6px;padding:2px 8px;font-size:11.5px;font-weight:700}.hackathon .tl2-live,.hackathon .tl2-on{color:var(--ice);border-color:rgba(181,172,255,.4)}.hackathon .tl2-card h4{font-size:16px;font-weight:700;line-height:1.4}.hackathon .tl2-rsv{margin-top:auto}.hackathon .tl2-card.past .tl2-rsv{display:none}.hackathon .rules{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin-top:max(64px,min(8vw,104px));padding:max(32px,min(4vw,56px));position:relative;overflow:hidden}.hackathon .rules:before{content:"";pointer-events:none;background:radial-gradient(60% 80% at 0 0,rgba(106,72,255,.1),transparent 60%);position:absolute;top:0;bottom:0;left:0;right:0}.hackathon .rules>*{position:relative}.hackathon .rules-head{max-width:980px;margin-bottom:max(40px,min(5vw,56px))}.hackathon .rules-title{letter-spacing:-.01em;margin-bottom:14px;font-size:max(26px,min(2.8vw,36px));font-weight:600;line-height:1.2}.hackathon[lang=zh_CN] .rules-title{font-family:var(--font-title);letter-spacing:.02em;font-weight:400}.hackathon .rules-desc{color:var(--text-soft);font-size:16px}.hackathon .rule-steps{grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:start;gap:16px;list-style:none;display:grid}.hackathon .rule-step{text-align:center;flex-direction:column;align-items:center;display:flex}.hackathon .rule-icon{border:1px solid var(--border-strong);background:var(--bg-2);border-radius:50%;align-items:center;justify-items:center;width:64px;height:64px;margin-bottom:16px;transition:border-color .25s,box-shadow .25s;display:grid}.hackathon .rule-icon svg{width:26px;height:26px}.hackathon .rule-step:hover .rule-icon{border-color:var(--ice);box-shadow:0 0 24px rgba(106,72,255,.35)}.hackathon .rule-no{letter-spacing:.14em;color:var(--ice);margin-bottom:6px;font-size:11.5px;font-weight:600}.hackathon .rule-step h4{margin-bottom:6px;font-size:18px;font-weight:600}.hackathon .rule-step p{color:var(--text-muted);font-size:14px}.hackathon .rule-arrow{color:var(--text-muted);padding-top:22px}.hackathon .rule-arrow svg{width:20px;height:20px}.hackathon .jr-block{margin-top:max(64px,min(8vw,104px))}.hackathon .jr-head{max-width:900px;margin-bottom:28px}.hackathon #deliverables .jr-head{max-width:none}.hackathon .modelscope-note{margin-top:12px}.hackathon .dv-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.hackathon .dv-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);flex-direction:column;gap:10px;padding:26px 26px 28px;transition:border-color .25s;display:flex}.hackathon .dv-card:hover{border-color:var(--border-strong)}.hackathon .dv-card h4{letter-spacing:-.01em;font-size:20px;font-weight:700;line-height:1.35}.hackathon .dv-card p{color:var(--text-muted);font-size:14px;line-height:1.75}.hackathon .dv-card p b{color:var(--text-soft);font-weight:600}.hackathon .dv-tag{border-radius:var(--radius-pill);color:#fff;background:#7b5cff;align-self:flex-start;padding:3px 10px;font-size:12px;font-weight:700;box-shadow:0 0 12px -2px rgba(123,92,255,.8)}.hackathon .dv-bonus{background:0 0;border-style:dashed}.hackathon .dv-bonus .dv-tag{color:var(--text);box-shadow:none;background:0 0;border:1px solid rgba(255,255,255,.55);padding:2px 9px;font-weight:600}.hackathon #criteria{--navh:64px}.hackathon .cs-track{width:100vw;height:280vh;margin-left:calc(50% - 50vw);position:relative}.hackathon .cs-stage{top:var(--navh);height:calc(100vh - var(--navh));--m:0;background:#000;display:flex;position:-webkit-sticky;position:sticky;overflow:hidden}.hackathon .cs-media{width:calc(100% - var(--m)*47%);background:#000;flex:none;height:100%;position:relative;overflow:hidden}.hackathon .cs-media video{object-fit:cover;object-position:50% 50%;width:100%;height:100%;transform:translateX(calc((1 - var(--m))*16%));position:absolute;top:0;bottom:0;left:0;right:0}.hackathon .cs-media:after{content:"";pointer-events:none;background:linear-gradient(90deg,rgba(0,0,0,.85),rgba(0,0,0,.25) 55%,transparent),linear-gradient(transparent 55%,rgba(0,0,0,.75));position:absolute;top:0;bottom:0;left:0;right:0}.hackathon .cs-copy{z-index:1;position:absolute;bottom:max(32px,min(8vh,96px));left:max(24px,min(5vw,96px));right:max(24px,min(5vw,96px))}.hackathon .cs-copy p{max-width:640px}.hackathon .cs-big{font-family:var(--font-title);font-weight:400;font-size:clamp(60px,calc(8vw - var(--m)*2.8vw),140px);letter-spacing:.02em;color:transparent;background:linear-gradient(#fff 20%,#b5acff);-webkit-background-clip:text;background-clip:text;margin:0 0 18px -.03em;line-height:1.05;display:block}.hackathon[lang=en_US] .cs-big{font-size:clamp(46px,calc(6vw - var(--m)*2.2vw),106px);letter-spacing:-.01em}.hackathon .cs-copy p{color:var(--text-soft);font-size:max(15px,min(1.15vw,18px));line-height:1.7}.hackathon .cs-list{flex:1 1 0;grid-template-rows:repeat(5,minmax(0,1fr));grid-template-columns:max-content minmax(0,1fr);column-gap:max(20px,min(2.4vw,40px));min-width:0;min-height:0;margin:0;padding:0;list-style:none;display:grid}.hackathon .cs-item{--k:0;grid-column:1/-1;grid-template-columns:subgrid;background:var(--bg);min-height:0;color:var(--fg);transform:translateX(calc((1 - var(--k))*105%));will-change:transform;align-items:center;column-gap:max(20px,min(2.4vw,40px));padding:0 max(24px,min(3vw,56px));display:grid}.hackathon .cs-pct{font-family:var(--font-title);letter-spacing:-.01em;font-size:max(48px,min(min(5.6vw,9vh),104px));font-weight:400;line-height:1}.hackathon .cs-pct small{opacity:.75;margin-left:.05em;font-size:.38em}.hackathon .cs-item h4{align-items:baseline;gap:12px;margin-bottom:6px;font-size:max(17px,min(min(1.5vw,2.4vh),24px));font-weight:700;display:flex}.hackathon .cs-item h4 .mono{letter-spacing:.14em;opacity:.65;font-size:11.5px;font-weight:600}.hackathon .cs-item p{opacity:.82;-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:max(13px,min(min(1vw,1.6vh),15.5px));line-height:1.65;display:-webkit-box;overflow:hidden}@media (max-width:899px),(max-height:560px){.hackathon .cs-track{width:auto;height:auto;margin-left:0}.hackathon .cs-list{flex:none;grid-template-rows:none;grid-auto-rows:auto;height:auto;min-height:auto}.hackathon .cs-stage{flex-direction:column;height:auto;position:relative;top:0}.hackathon .cs-media{width:100%;height:min(78vh,560px)}.hackathon .cs-big{font-size:max(44px,min(13vw,80px))}.hackathon[lang=en_US] .cs-big{font-size:max(44px,min(13vw,80px))}.hackathon .cs-item{flex:none;padding:22px 20px;transform:none}.hackathon .cs-item p{-webkit-line-clamp:unset}}.hackathon .jg-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.hackathon .jg-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);flex-direction:column;gap:22px;padding:28px;display:flex}.hackathon .jg-head{align-items:center;gap:16px;display:flex}.hackathon .jg-card h4{margin-bottom:4px;font-size:20px;font-weight:700}.hackathon .jg-head p{color:var(--text-muted);font-size:14px;line-height:1.6}.hackathon .jg-pro.has-judges,.hackathon .jg-pro.has-judges+.jg-player{grid-column:1/-1}.hackathon .jg-list{grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr));gap:12px;display:grid}.hackathon .jg-person{border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:var(--bg-2);gap:14px;padding:18px;display:flex}.hackathon .jg-ava{background:var(--surface-2);width:56px;height:56px;color:var(--text-muted);border-radius:50%;flex-shrink:0;align-items:center;justify-items:center;display:grid;overflow:hidden}.hackathon .jg-ava svg{width:30px;height:30px}.hackathon .jg-ava img{object-fit:cover;width:100%;height:100%}.hackathon .jg-info{flex-direction:column;gap:4px;min-width:0;display:flex}.hackathon .jg-info h5{font-size:16px;font-weight:700}.hackathon .jg-role{color:var(--ice);font-size:13px}.hackathon .jg-bio{color:var(--text-muted);margin-top:4px;font-size:13px;line-height:1.65}.hackathon .jg-focus{color:var(--text-soft);font-size:13px;line-height:1.6}.hackathon .jg-focus em{color:var(--text-muted);margin-right:6px;font-style:normal}.hackathon .jg-person.is-tba{border-style:dashed;border-color:var(--border);background:0 0;align-items:center}.hackathon .jg-person.is-tba .jg-ava{border:1px dashed var(--border-strong);background:0 0}.hackathon .jg-person.is-tba .jg-role{color:var(--text-muted)}.hackathon .jg-sk{background:linear-gradient(90deg,var(--surface-2)0%,#26262b 50%,var(--surface-2)100%);background-size:200% 100%;border-radius:4px;width:82%;height:8px;margin-top:8px;animation:2.4s linear infinite jgSk;display:block}.hackathon .jg-sk.s2{width:56%;margin-top:2px}@keyframes jgSk{0%{background-position:100% 0}to{background-position:-100% 0}}@media (prefers-reduced-motion:reduce){.hackathon .jg-sk{animation:none}}.hackathon .jg-stat{align-items:baseline;gap:12px;padding:0;display:flex}.hackathon .jg-stat b{font-family:var(--font-title);background:var(--grad);color:transparent;-webkit-background-clip:text;background-clip:text;font-size:64px;line-height:1}.hackathon .jg-stat span{color:var(--text-soft);font-size:16px;font-weight:600}.hackathon .jg-note{color:var(--text-muted);margin-top:-10px;font-size:14px;line-height:1.75}.hackathon .faq-wrap{grid-template-columns:1fr 1.6fr;gap:64px;display:grid}.hackathon .faq-list{border-top:1px solid var(--border)}.hackathon .faq-list details{border-bottom:1px solid var(--border)}.hackathon .faq-list summary{cursor:pointer;letter-spacing:-.01em;justify-content:space-between;align-items:center;gap:24px;padding:26px 0;font-size:18px;font-weight:600;list-style:none;transition:color .2s;display:flex}.hackathon .faq-list summary::-webkit-details-marker{display:none}.hackathon .faq-list summary:hover{color:#fff}.hackathon .faq-list summary .pm{flex-shrink:0;width:14px;height:14px;position:relative}.hackathon .faq-list summary .pm:before,.hackathon .faq-list summary .pm:after{content:"";background:var(--text-soft);width:14px;height:1.5px;transition:transform .3s var(--ease);position:absolute;top:50%;left:0}.hackathon .faq-list summary .pm:after{transform:rotate(90deg)}.hackathon .faq-list details[open] .pm:after{transform:rotate(0)}.hackathon .faq-list details p{color:var(--text-soft);padding:0 48px 28px 0;font-size:15.5px}.hackathon .final-wrap{isolation:isolate;background:#000;align-items:center;justify-items:center;min-height:0;margin-top:max(24px,min(3vw,48px));display:grid;position:relative;overflow:hidden}.hackathon .final-bg{z-index:-2;object-fit:cover;opacity:.35;width:100%;height:100%;position:absolute;top:0;bottom:0;left:0;right:0}.hackathon .final-globe{z-index:-2;pointer-events:none;width:100%;height:100%;position:absolute;top:0;bottom:0;left:0;right:0}.hackathon .final-ov{z-index:-1;pointer-events:none;height:auto;position:absolute}.hackathon .final-ov-l{width:max(220px,min(21vw,400px));bottom:16%;left:max(16px,min(4vw,80px))}.hackathon .final-ov-r{width:max(260px,min(21vw,390px));top:12%;right:max(8px,min(2.5vw,56px))}@media (max-width:1359px){.hackathon .final-ov{display:none}}.hackathon .final-wrap:before{content:"";z-index:-1;background:radial-gradient(55% 60%,rgba(0,0,0,.82),rgba(0,0,0,.35) 70%,transparent),radial-gradient(50% 40% at 50% 115%,rgba(123,92,255,.35),transparent 70%);position:absolute;top:0;bottom:0;left:0;right:0}.hackathon .final-px{background:linear-gradient(#988dff,#988dff) 0 0/50% 50% no-repeat,linear-gradient(#988dff,#988dff) 100% 100%/50% 50% no-repeat;width:34px;height:34px;display:none;position:absolute;top:max(40px,min(8vh,90px));right:max(24px,min(9vw,160px))}.hackathon .final-px.sm{vertical-align:middle;width:22px;height:22px;margin-right:14px;display:inline-block;position:static}.hackathon .final{z-index:1;padding:clamp(56px,4.5vw,88px)var(--gutter);text-align:center;position:relative}.hackathon .final-slogan{border:2px dotted rgba(152,141,255,.75);padding:max(14px,min(1.6vw,22px)) max(18px,min(2vw,30px));display:inline-block;position:relative}.hackathon .final-slogan .fc{background:#000;border:2px solid #988dff;width:10px;height:10px;position:absolute}.hackathon .final-slogan .tl{top:-6px;left:-6px}.hackathon .final-slogan .tr{top:-6px;right:-6px}.hackathon .final-slogan .bl{bottom:-6px;left:-6px}.hackathon .final-slogan .br{bottom:-6px;right:-6px}.hackathon .final-slogan img{width:min(80vw,max(560px,min(50vw,760px)));height:auto;margin:0 auto;display:block}.hackathon .fs-wrap{display:block;position:relative}.hackathon .fs-wrap.on>img:first-child{visibility:hidden}.hackathon .fs-wrap .fs-g{opacity:0;width:100%;height:100%;position:absolute;top:0;bottom:0;left:0;right:0}.hackathon .fs-wrap .fs-s{font-family:var(--font-mono);color:#b5acff;text-shadow:0 0 12px rgba(123,92,255,.8);pointer-events:none;font-weight:500;line-height:1;position:absolute;top:50%;transform:translate(-50%,-50%)}.hackathon .final-ov .fo-base{width:100%;height:auto;display:block;position:relative}.hackathon .fo-vid{object-fit:fill;background:#010003;display:block;position:absolute}.hackathon .final h2.final-slogan{max-width:none;margin-bottom:max(26px,min(3.4vh,40px))}.hackathon .final h2{letter-spacing:-.035em;max-width:900px;margin:0 auto 20px;font-size:max(36px,min(5.6vw,76px));font-weight:600;line-height:1.05}.hackathon[lang=zh_CN] .final h2{letter-spacing:.02em;line-height:1.2}.hackathon[lang=zh_CN] :is(.hero h1,.sec-title,.final h2){font-family:var(--font-title);font-weight:400}.hackathon .final p{color:var(--text-soft);max-width:700px;margin:0 auto 40px;font-size:max(18px,min(1.25vw,21px));font-weight:500;line-height:1.75}.hackathon .final .hero-cta{justify-content:center;margin-top:0}.hackathon footer{border-top:1px solid var(--border-subtle);margin-top:max(48px,min(6vw,96px));padding:72px 0 40px}.hackathon .foot-grid{grid-template-columns:1.4fr repeat(3,1fr);gap:40px;display:grid}.hackathon .foot-brand .brand-cobrand{height:30px}.hackathon .foot-grid h5{font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted);margin-bottom:18px;font-size:11.5px;font-weight:600}.hackathon .foot-grid ul{gap:10px;list-style:none;display:grid}.hackathon .foot-grid a{color:var(--text-soft);padding:6px 0;font-size:14px;transition:color .2s;display:inline-block}.hackathon .foot-grid a:hover{color:var(--text)}.hackathon .foot-bottom{border-top:1px solid var(--border-subtle);color:var(--text-muted);flex-wrap:wrap;justify-content:space-between;gap:16px;margin-top:64px;padding-top:24px;font-size:13px;display:flex}.hackathon .hero-tagline{letter-spacing:-.01em;color:var(--text);margin:-4px 0 14px;font-size:max(20px,min(2.2vw,28px));font-weight:700}.hackathon .btn-disabled{border:1px solid var(--border);color:var(--text-muted);cursor:not-allowed;background:rgba(255,255,255,.04)}.hackathon .btn-block{width:100%}.hackathon .faq-more{color:var(--text-soft);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:24px 0 0;font-size:15px;display:flex}.hackathon .my-page{max-width:100%;min-height:80vh;padding:112px 0 40px;overflow-x:clip}.hackathon .my-head{justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:28px;display:flex}.hackathon .my-title{letter-spacing:-.02em;font-size:max(34px,min(4.4vw,52px));font-weight:700;line-height:1.1}.hackathon .my-back{color:var(--text-soft);white-space:nowrap;padding:10px 0;font-size:14px;font-weight:600;transition:color .2s;display:inline-block}.hackathon .my-back:hover{color:#fff}.hackathon .my-stage{border:1px solid var(--border);border-radius:var(--radius);background:radial-gradient(70% 140% at 0% 0%,rgba(106,72,255,.16),transparent 60%),var(--surface);padding:26px 28px 24px;position:relative;overflow:hidden}.hackathon .ms-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:20px 32px;margin-bottom:26px;display:flex}.hackathon .ms-now h3{margin-bottom:6px;font-size:max(24px,min(2.2vw,30px));font-weight:700;line-height:1.2}.hackathon[lang=zh_CN] .ms-now h3{font-family:var(--font-title);letter-spacing:.02em;font-weight:400}.hackathon .ms-now p{color:var(--text-muted);font-size:14px}.hackathon .ms-side{flex-wrap:wrap;align-items:center;gap:24px;display:flex}.hackathon .my-steps{grid-template-columns:repeat(6,minmax(0,1fr));gap:0;width:100%;min-width:0;margin:0;padding:0;list-style:none;display:grid}.hackathon .my-steps li{min-width:0;color:var(--text-muted);overflow-wrap:anywhere;padding:18px 10px 0;font-size:13.5px;position:relative}.hackathon .my-steps li:before{content:"";background:rgba(255,255,255,.08);height:6px;position:absolute;top:0;left:0;right:0}.hackathon .my-steps li:first-child:before{border-radius:3px 0 0 3px}.hackathon .my-steps li:last-child:before{border-radius:0 3px 3px 0}.hackathon .my-steps li+li:after{content:"";z-index:1;background:var(--surface);width:2px;height:6px;position:absolute;top:0;left:-1px}.hackathon .my-steps .ms-fill{z-index:0;height:6px;width:calc(var(--p,0)*100%);transition:width .9s cubic-bezier(.22,.8,.24,1)var(--dl,0s),box-shadow .4s;background:#6a48ff;position:absolute;top:0;left:0}.hackathon .my-steps li:first-child .ms-fill{border-radius:3px 0 0 3px}.hackathon .my-steps li:last-child .ms-fill{border-radius:0 3px 3px 0}.hackathon .my-steps li.cur .ms-fill{background:linear-gradient(90deg,#6a48ff,#b5acff 50%,#6a48ff) 0 0/200% 100%;animation:2.4s linear infinite msSweep;box-shadow:0 0 14px rgba(123,92,255,.7)}.hackathon .my-steps li.cur .ms-fill:after{content:"";background:#fff;border-radius:50%;width:12px;height:12px;animation:1.6s ease-in-out infinite msPulse;position:absolute;top:-3px;right:-3px;box-shadow:0 0 10px 2px rgba(181,172,255,.9)}@keyframes msPulse{50%{opacity:.7;transform:scale(.7)}}.hackathon .my-steps li b,.hackathon .my-steps li{transition:color .5s}@keyframes msSweep{to{background-position:-200% 0}}.hackathon .my-steps li b{font-family:var(--font-mono);letter-spacing:.1em;color:var(--text-muted);opacity:.7;margin-bottom:4px;font-size:11.5px;font-weight:600;display:block}.hackathon .my-steps li.done{color:var(--text-muted)}.hackathon .my-steps li.done b{color:#988dff;opacity:1}.hackathon .my-steps li.cur b{color:#b5acff;opacity:1}.hackathon .my-steps .ms-reward-notice{color:#988dff;overflow-wrap:anywhere;margin-top:4px;font-size:12px;line-height:1.5;display:block}.hackathon .my-sec{margin-top:56px}.hackathon #myBody .my-card{padding:max(28px,min(4vw,48px))}.hackathon #myBody .empty{padding:max(32px,min(5vw,64px)) 0}.hackathon #myBody .empty h3{margin-bottom:10px;font-size:22px}.hackathon #myBody .empty p{max-width:520px;margin-bottom:28px;font-size:15px;line-height:1.75}.hackathon .tp-done{gap:14px!important}.hackathon .tp-done h3{margin-top:6px;font-size:max(24px,min(2.4vw,30px))!important}.hackathon .tp-done h3,.hackathon .ws-main h3{font-family:var(--font-sans);letter-spacing:.01em;font-weight:700}.hackathon .tp-done p{font-size:15px}.hackathon .tp-done .row{flex-wrap:wrap;align-items:center;gap:14px!important;margin-top:18px!important}.hackathon .tp-next{color:var(--ice);margin-right:6px;font-size:14px}.hackathon .ws-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:20px;display:flex}.hackathon .ws-main{flex-direction:column;align-items:flex-start;gap:12px;display:flex}.hackathon .ws-main h3{margin-top:4px;font-size:max(24px,min(2.4vw,30px));font-weight:700}.hackathon .ws-main .work-ver{color:var(--text-muted);font-size:13.5px}.hackathon .ws-note{color:var(--text-soft);max-width:760px;margin:22px 0 0;font-size:15px;line-height:1.75}.hackathon .ws-list{border-top:1px solid var(--border-subtle);margin:28px 0 0}.hackathon .ws-list div{border-bottom:1px solid var(--border-subtle);grid-template-columns:minmax(140px,240px) 1fr;gap:24px;padding:18px 0;font-size:14.5px;display:grid}.hackathon .ws-list dt{color:var(--text-muted)}.hackathon .ws-list dd{word-break:break-all;min-width:0;margin:0}.hackathon .ws-list a{color:var(--ice)}.hackathon .ws-list a:hover{color:#fff}.hackathon .ws-list b{font-weight:600}.hackathon .ws-tags{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.hackathon .ws-cd{color:#ffb86b;font-variant-numeric:tabular-nums;align-items:center;gap:8px;font-size:13px;font-weight:600;display:inline-flex}.hackathon .ws-cd:before{content:"";background:#ffb86b;border-radius:50%;width:7px;height:7px;animation:1.6s ease-in-out infinite wsPulse;box-shadow:0 0 10px 2px rgba(255,170,80,.55)}@keyframes wsPulse{50%{opacity:.35}}.hackathon .ws-main .badge:not(.ok){color:var(--ice);background:rgba(123,92,255,.12);border-color:rgba(152,141,255,.5)}.hackathon .rv-steps{grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0 0;padding:0;list-style:none;display:grid}.hackathon .rv-steps li{border-radius:var(--radius-sm);border:1px solid var(--border-subtle);background:rgba(255,255,255,.02);align-items:flex-start;gap:12px;padding:18px 18px 18px 16px;display:flex;position:relative}.hackathon .rv-steps li>i{border:1.5px solid var(--border-strong);border-radius:50%;flex-shrink:0;width:10px;height:10px;margin-top:5px}.hackathon .rv-steps li.done>i{background:#7b5cff;border-color:#7b5cff}.hackathon .rv-steps li.cur{background:rgba(123,92,255,.08);border-color:rgba(123,92,255,.55)}.hackathon .rv-steps li.cur>i{background:#b5acff;border-color:#b5acff;box-shadow:0 0 10px 2px rgba(123,92,255,.8)}.hackathon .rv-steps li>div{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.hackathon .rv-steps strong{font-size:14.5px;font-weight:700}.hackathon .rv-steps span{color:var(--text-muted);font-size:12.5px}.hackathon .rv-steps em{color:var(--text-muted);white-space:nowrap;font-size:12px;font-style:normal;font-weight:600}.hackathon .rv-steps li.done em{color:var(--ice)}.hackathon .rv-steps li.cur em{color:#fff}.hackathon .rv-steps li:not(.done):not(.cur) strong{color:var(--text-soft)}.hackathon .ws-demo{flex-wrap:wrap;gap:18px;margin-top:20px;display:flex}@media (max-width:760px){.hackathon .rv-steps{grid-template-columns:1fr}}.hackathon #myWorks .reg-note{border-top:0;margin-top:20px;padding-top:0}@media (max-width:640px){.hackathon .ws-list div{grid-template-columns:1fr;gap:4px}}.hackathon .my-steps li{cursor:pointer;padding-bottom:6px;transition:color .3s}.hackathon .my-steps li:not(.locked):hover{color:#fff}.hackathon .my-steps li.sel{color:#fff;font-size:16px;font-weight:700}.hackathon .my-steps li.sel b{color:#b5acff;opacity:1}.hackathon .my-steps li.locked{cursor:not-allowed}.hackathon .my-steps li.locked b:after{content:" 🔒︎";opacity:.6;-webkit-filter:grayscale();filter:grayscale();font-size:10px}.hackathon #myBody .my-sec[hidden]{display:none}.hackathon #myBody .my-sec:first-child,.hackathon #myBody .my-sec[hidden]+.my-sec:not([hidden]){margin-top:40px}.hackathon .tp-form{flex-direction:column;gap:12px;width:100%;max-width:none;display:flex}.hackathon .tp-form .field input{height:60px;padding:0 20px;font-size:16px}.hackathon .tp-form .field textarea{padding:18px 20px;font-size:16px;line-height:1.75}.hackathon .tp-lead{color:var(--text-soft);margin-bottom:14px;font-size:14px}.hackathon .tp-form textarea{min-height:280px}.hackathon .tp-actions{flex-wrap:wrap;align-items:center;gap:16px;margin-top:10px;display:flex}.hackathon .tp-hint{color:var(--ice);font-size:13px}.hackathon .tm-confirm{border-radius:var(--radius-sm);background:rgba(123,92,255,.08);border:1px solid rgba(123,92,255,.55);margin:20px 0 0;padding:18px 20px}.hackathon .tm-confirm strong{margin-bottom:6px;font-size:15px;display:block}.hackathon .tm-confirm ul{color:var(--text-soft);gap:6px;margin:6px 0 16px;padding-left:18px;font-size:13.5px;display:grid}.hackathon .tm-confirm .row{justify-content:flex-start;gap:12px;display:flex}.hackathon .tp-done{flex-direction:column;align-items:flex-start;gap:10px;display:flex}.hackathon .tp-done h3{font-size:22px;font-weight:700}.hackathon .tp-done p{color:var(--text-soft);max-width:760px;line-height:1.75}.hackathon .tp-done .row{gap:10px;margin-top:6px;display:flex}.hackathon .my-sec-title{margin-bottom:18px;font-size:max(22px,min(2.2vw,28px));font-weight:700}.hackathon[lang=zh_CN] .my-sec-title{font-family:var(--font-title);letter-spacing:.02em;font-weight:400}.hackathon[lang=zh_CN] .my-title{font-family:var(--font-title);letter-spacing:.02em;font-weight:400}.hackathon .my-sec-desc{color:var(--text-soft);margin:-8px 0 20px}.hackathon .my-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:max(22px,min(3vw,32px))}.hackathon .rg-top{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.hackathon .rg-main{flex:260px;min-width:0}.hackathon .rg-name{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.hackathon .rg-name h3{font-size:19px;font-weight:700}.hackathon .rg-meta{color:var(--text-muted);margin-top:4px;font-size:13.5px}.hackathon .rg-meta .mono{color:var(--text-soft);font-weight:600}.hackathon .rg-next{color:var(--text-soft);margin-top:6px;font-size:14px}.hackathon .rg-next b{color:#fff;font-weight:600}.hackathon .rg-pts{grid-template-columns:1fr 1fr;gap:12px;margin-top:22px;display:grid}.hackathon .pt{border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:var(--bg-2);align-items:flex-start;gap:12px;min-width:0;padding:16px 18px;display:flex}.hackathon .pt .pt-s{margin-top:2px}.hackathon .pt-k{flex-direction:column;flex:1;gap:3px;min-width:0;font-size:14.5px;font-weight:600;display:flex}.hackathon .pt-k small{color:var(--text-muted);text-align:left;font-size:12.5px;font-weight:400;line-height:1.6}.hackathon .pt-k small button{text-align:left;width:100%;display:block}.hackathon .pt-s{color:var(--text-muted);white-space:nowrap;font-size:13px}.hackathon .pt-s.busy{color:var(--ice)}.hackathon .pt-s.ok{color:#b5acff;font-weight:600}.hackathon .rg-note{color:var(--text-muted);margin-top:10px;font-size:12.5px}@media (max-width:640px){.hackathon .rg-pts{grid-template-columns:1fr}.hackathon .pt{padding:12px 14px}.hackathon .rg-top .btn{width:100%}}.hackathon .reg-row{flex-wrap:wrap;align-items:center;gap:20px;display:flex}.hackathon .reg-avatar{background:var(--surface-2);border:1px solid var(--border-strong);color:#fff;border-radius:50%;flex-shrink:0;align-items:center;justify-items:center;width:56px;height:56px;font-size:22px;font-weight:700;display:grid;overflow:hidden}.hackathon .reg-avatar.on{background:var(--grad);color:#101012;border:0}.hackathon .reg-main{flex:220px;min-width:0}.hackathon .badge{border-radius:var(--radius-pill);border:1px solid var(--border-strong);color:var(--text-soft);padding:2px 10px;font-size:12px;font-weight:700;display:inline-block}.hackathon .badge.ok{color:var(--ice);background:rgba(123,92,255,.12);border-color:rgba(181,172,255,.5)}.hackathon .reg-main h3{margin:6px 0 2px;font-size:19px;font-weight:700}.hackathon .reg-main p{color:var(--text-muted);font-size:14px}.hackathon .reg-main .mono{color:var(--text-soft);font-weight:600}.hackathon .reg-list{color:var(--text-muted);flex-direction:column;gap:4px;margin:6px 0 0;padding:0;font-size:14px;list-style:none;display:flex}.hackathon .reg-list li{padding-left:14px;position:relative}.hackathon .reg-list li:before{content:"";background:var(--text-muted);border-radius:50%;width:4px;height:4px;position:absolute;top:.7em;left:2px}.hackathon .reg-list b{color:var(--text-soft);font-weight:600}.hackathon .reg-tips{grid-template-columns:1fr 1fr;gap:12px;margin-top:20px;display:grid}.hackathon .reg-tips>div{border-radius:var(--radius-sm);border:1px solid var(--border-subtle);background:var(--bg-2);flex-direction:column;gap:4px;padding:14px 16px;display:flex}.hackathon .reg-tips strong{font-size:14px;font-weight:700}.hackathon .reg-tips strong b{color:var(--ice);font-weight:700}.hackathon .reg-tips span{color:var(--text-muted);font-size:12.5px;line-height:1.6}@media (max-width:640px){.hackathon .reg-tips{grid-template-columns:1fr}}.hackathon .chips{flex-wrap:wrap;gap:12px;display:flex}.hackathon .chip{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-2);min-width:176px;padding:12px 16px}.hackathon .chip strong{font-size:14px;font-weight:700;display:block}.hackathon .chip strong b{color:var(--ice);font-weight:700}.hackathon .chip span{color:var(--text-muted);font-size:12.5px}.hackathon .reg-note{border-top:1px solid var(--border-subtle);color:var(--text-muted);margin-top:18px;padding-top:16px;font-size:13px}.hackathon .empty{text-align:center;flex-direction:column;align-items:center;padding:max(20px,min(4vw,40px)) 0;display:flex}.hackathon .empty h3{margin-bottom:6px;font-size:18px;font-weight:700}.hackathon .empty p{color:var(--text-muted);max-width:460px;margin-bottom:22px;font-size:14px}.hackathon .team-split{grid-template-columns:1fr 1fr;gap:0;display:grid}.hackathon .team-split>.team-box+.team-box{border-left:1px solid var(--border-subtle)}.hackathon .team-box{flex-direction:column;gap:12px;padding:4px 32px 4px 0;display:flex}.hackathon .team-box+.team-box{padding:4px 0 4px 32px}.hackathon .team-box h3{font-size:17px;font-weight:700}.hackathon .team-box p{color:var(--text-muted);margin-top:-6px;font-size:13.5px}.hackathon .team-box .row{gap:10px;display:flex}.hackathon .team-box .row input{flex:1;min-width:0}.hackathon .team-head{border-bottom:1px solid var(--border-subtle);flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;padding-bottom:20px;display:flex}.hackathon .team-head h3{flex-wrap:wrap;align-items:center;gap:10px;font-size:20px;font-weight:700;display:flex}.hackathon .team-code{color:var(--text-muted);margin-top:6px;font-size:13.5px;display:block}.hackathon .team-btns{flex-wrap:wrap;gap:10px;display:flex}.hackathon .invite-code{border:1px solid var(--border-strong);background:var(--bg-2);border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:16px 18px;display:flex}.hackathon .invite-code .mono{letter-spacing:.12em;font-size:24px;font-weight:700}.hackathon .invite-seats{color:var(--text-muted);margin:12px 0 20px;font-size:13.5px}.hackathon .team-code .mono{color:var(--text);font-size:14px;font-weight:600}.hackathon .link-btn{color:var(--ice);padding:2px 4px;font-size:13px;font-weight:600}.hackathon .link-btn:hover{color:#fff}.hackathon .members{margin:8px 0 0;list-style:none}.hackathon .members li{border-bottom:1px solid var(--border-subtle);align-items:center;gap:14px;padding:14px 0;display:flex}.hackathon .members .reg-avatar{width:38px;height:38px;font-size:15px}.hackathon .members .who{flex:1;font-size:15px;font-weight:600}.hackathon .members .who em{color:var(--text-muted);margin-left:8px;font-size:12.5px;font-style:normal;font-weight:500}.hackathon .icon-btn{width:28px;height:28px;color:var(--text-muted);border-radius:8px;align-items:center;justify-items:center;transition:color .2s,background .2s;display:inline-grid}.hackathon .icon-btn:hover{color:#fff;background:rgba(255,255,255,.06)}.hackathon .icon-btn svg{width:15px;height:15px}.hackathon .team-meta.team-meta-2{flex-direction:column;align-items:flex-start;gap:6px}.hackathon .team-meta-2>span{flex-wrap:wrap;align-items:center;gap:6px;display:inline-flex}.hackathon .mb-grid{flex-wrap:wrap;gap:18px 14px;margin:6px 0 22px;display:flex}.hackathon .mb-person{text-align:center;width:92px;color:inherit;font:inherit;background:0 0;border:0;flex-direction:column;align-items:center;gap:6px;padding:0;display:flex;position:relative}.hackathon .mb-person .reg-avatar{width:64px;height:64px;margin-bottom:4px;font-size:24px}.hackathon .mb-person .nm{text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:13.5px;font-weight:600;overflow:hidden}.hackathon .mb-person em{color:var(--text-muted);font-size:12px;font-style:normal}.hackathon .mb-x{color:#fff;border:1px solid var(--border-strong);cursor:pointer;background:#2a2533;border-radius:50%;align-items:center;justify-items:center;width:24px;height:24px;padding:0;font-size:15px;line-height:1;transition:background .2s,border-color .2s;display:grid;position:absolute;top:-4px;right:10px}.hackathon .mb-x:hover{background:#e5484d;border-color:#e5484d}.hackathon .mb-x:focus-visible{background:#e5484d;border-color:#e5484d}.hackathon .mb-x svg{flex-shrink:0;display:block}.hackathon .mb-add{cursor:pointer}.hackathon .mb-add .reg-avatar{color:var(--ice);background:0 0;border:1.5px dashed rgba(152,141,255,.6);transition:border-color .2s,background .2s}.hackathon .mb-add .reg-avatar svg{flex-shrink:0;display:block}.hackathon .mb-add:hover .reg-avatar{border-color:var(--ice);background:rgba(123,92,255,.12)}.hackathon .mb-confirm{border-radius:var(--radius-sm);background:rgba(229,72,77,.07);border:1px solid rgba(229,72,77,.45);margin:-6px 0 18px;padding:16px}.hackathon .mb-confirm strong{margin-bottom:4px;font-size:15px;display:block}.hackathon .mb-confirm p{color:var(--text-soft);margin-bottom:12px;font-size:13.5px}.hackathon .mb-confirm .row{justify-content:flex-end;gap:10px;display:flex}.hackathon .mb-list{margin:4px 0 18px}.hackathon .mb-h{align-items:center;gap:8px;margin:6px 0 4px;font-size:15px;font-weight:700;display:flex}.hackathon .mb-reqs .who em.mono{font-family:var(--font-mono);font-size:12px}.hackathon .mb-reqs li{gap:10px}.hackathon .mb-invite{border:1px dashed var(--border);border-radius:var(--radius-sm);color:var(--text-muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px;padding:12px 14px;font-size:13.5px;display:flex}.hackathon .mb-invite .mono{color:var(--text);font-weight:600}.hackathon .demo-link{color:var(--text-muted);text-underline-offset:3px;font-size:12.5px;font-weight:500;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}.hackathon #membersPane>.demo-link{margin:0 0 16px;display:block}.hackathon .team-req{border-radius:var(--radius-sm);background:rgba(106,72,255,.1);border:1px solid rgba(106,72,255,.45);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:14px;padding:12px 16px;font-size:14px;font-weight:600;display:flex}.hackathon .team-pending{flex-direction:column;align-items:flex-start;gap:8px;padding:6px 0;display:flex}.hackathon .team-pending h3{font-size:19px;font-weight:700}.hackathon .team-pending h3 .mono{color:var(--ice)}.hackathon .team-pending p{color:var(--text-muted);font-size:14px}.hackathon .team-pending .row{align-items:center;gap:16px;margin-top:6px;display:flex}.hackathon .mb-list li:last-child{border-bottom:0}.hackathon .mb-add .row{gap:10px;display:flex}.hackathon .mb-add .row input{flex:1;min-width:0}.hackathon .mb-full{color:var(--text-muted);margin-bottom:18px;font-size:13.5px}.hackathon #membersPane>.btn-block{margin-top:6px}.hackathon .team-meta{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:4px 6px;margin-top:14px;font-size:13px;display:flex}.hackathon .team-actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;display:flex}.hackathon .team-actions p{color:var(--text-muted);flex:260px;font-size:13px}.hackathon .tm-group{margin-top:18px}.hackathon .tm-group h5{letter-spacing:.06em;color:var(--text-muted);margin-bottom:2px;font-size:12.5px;font-weight:600}.hackathon .tm-group .members{margin:0}.hackathon .tm-group .members li{border-bottom:0;padding:10px 0}.hackathon .tm-group .members li.is-req{gap:12px}.hackathon .tm-group .members li.tm-edit{cursor:pointer;border-radius:var(--radius-sm);margin:0 -10px;padding-left:10px;padding-right:10px;transition:background .2s}.hackathon .tm-group .members li.tm-edit:hover{background:rgba(123,92,255,.1);outline:none}.hackathon .tm-group .members li.tm-edit:focus-within{background:rgba(123,92,255,.1);outline:none}.hackathon .member-edit:after{content:"编辑";white-space:nowrap;color:var(--ice);opacity:0;flex-shrink:0;margin-left:auto;font-size:12.5px;transition:opacity .2s}.hackathon[lang=en_US] .member-edit:after{content:"Edit"}.hackathon .tm-edit:hover .member-edit:after{opacity:1}.hackathon .tm-edit:focus-within .member-edit:after{opacity:1}.hackathon .tm-group .members li.is-req .reg-avatar{border:1px dashed var(--border-strong);color:var(--text-muted);background:0 0}.hackathon .tm-group .members li.is-req .who{color:var(--text-soft)}.hackathon .tm-group .members li.is-req .who em.mono{font-family:var(--font-mono);font-size:12px}.hackathon .tm-group .tm-empty{color:var(--text-muted);padding:10px 0;font-size:13.5px}.hackathon .tm-group .demo-link{margin-top:4px}.hackathon .members .tag-muted{color:var(--text-muted);border-radius:var(--radius-pill);border:1px solid var(--border);background:rgba(255,255,255,.05);margin-left:8px;padding:1px 8px;font-size:11.5px;font-style:normal;font-weight:600}.hackathon .tip{vertical-align:-4px;width:18px;height:18px;color:var(--text-muted);cursor:help;border-radius:50%;align-items:center;justify-items:center;margin-left:2px;display:inline-grid;position:relative}.hackathon .tip:hover{color:var(--text)}.hackathon .tip:focus-visible{color:var(--text)}.hackathon .tip svg{width:15px;height:15px}.hackathon .tip-body{background:var(--surface-2);border:1px solid var(--border-strong);width:-webkit-max-content;width:-moz-max-content;width:max-content;max-width:min(300px,80vw);color:var(--text-soft);text-align:left;opacity:0;visibility:hidden;z-index:20;pointer-events:none;border-radius:10px;padding:10px 12px;font-size:12.5px;font-weight:500;line-height:1.6;transition:opacity .15s;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%);box-shadow:0 12px 32px rgba(0,0,0,.5)}.hackathon .tip:before{content:"";position:absolute;top:-12px;bottom:-12px;left:-12px;right:-12px}.hackathon .tip:hover .tip-body,.hackathon .tip:focus .tip-body,.hackathon .tip.open .tip-body{opacity:1;visibility:visible}.hackathon .tip:focus-within .tip-body{opacity:1;visibility:visible}.hackathon .tip-body{margin-left:var(--tip-shift,0px)}.hackathon .btn-danger{color:#fca5a5;background:0 0;border:1px solid rgba(248,113,113,.45)}.hackathon .btn-danger:hover{background:rgba(248,113,113,.1)}.hackathon :-webkit-any(.btn,.link-btn,.icon-btn,.member-edit):disabled{opacity:.4;cursor:not-allowed}.hackathon :-moz-any(.btn,.link-btn,.icon-btn,.member-edit):disabled{opacity:.4;cursor:not-allowed}.hackathon :is(.btn,.link-btn,.icon-btn,.member-edit):disabled{opacity:.4;cursor:not-allowed}.hackathon .btn:disabled:-webkit-any(.btn-primary,.btn-ghost,.btn-danger){border-color:var(--border);color:var(--text-muted);box-shadow:none;background:rgba(255,255,255,.04)}.hackathon .btn:disabled:-moz-any(.btn-primary,.btn-ghost,.btn-danger){border-color:var(--border);color:var(--text-muted);box-shadow:none;background:rgba(255,255,255,.04)}.hackathon .btn:disabled:is(.btn-primary,.btn-ghost,.btn-danger){border-color:var(--border);color:var(--text-muted);box-shadow:none;background:rgba(255,255,255,.04)}.hackathon .btn:disabled:hover svg{transform:none}.hackathon .link-btn:disabled:hover,.hackathon .icon-btn:disabled:hover{color:var(--text-muted);background:0 0}.hackathon .link-btn:disabled{color:var(--text-muted)}.hackathon .work-head{border-bottom:1px solid var(--border-subtle);flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px 20px;margin-bottom:22px;padding-bottom:18px;display:flex}.hackathon .work-head h3{flex-wrap:wrap;align-items:center;gap:10px;font-size:18px;font-weight:700;display:flex}.hackathon .work-head p{color:var(--text-muted);margin-top:4px;font-size:13px}.hackathon .work-form .grid2{grid-template-columns:1fr 1fr;gap:0 16px;display:grid}.hackathon .field .hint{color:var(--text-muted);margin-top:6px;font-size:12.5px;display:block}.hackathon .field .opt{color:var(--text-muted);margin-left:6px;font-style:normal;font-weight:500}.hackathon textarea{border:1px solid var(--border-strong);background:var(--bg-2);width:100%;min-height:120px;color:var(--text);font:inherit;resize:vertical;border-radius:12px;padding:12px 14px;font-size:15px;line-height:1.6;transition:border-color .2s,box-shadow .2s}.hackathon textarea:focus{border-color:var(--ice);outline:none;box-shadow:0 0 0 3px rgba(181,172,255,.15)}.hackathon .work-actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;display:flex}.hackathon .work-actions .saved{color:var(--text-muted);margin-left:auto;font-size:13px}.hackathon .work-form{max-width:none}.hackathon .wf-group{margin:0 0 30px}.hackathon .wf-recommendation{color:var(--text-soft);margin-bottom:18px;font-size:14px;line-height:1.7}.hackathon .wf-recommendation a{color:var(--blue)}.hackathon .wf-recommendation a:hover{color:var(--ice);text-underline-offset:3px;text-decoration:underline}.hackathon .wf-gh{justify-content:space-between;align-items:baseline;gap:12px;padding:0 0 4px;display:flex}.hackathon .wf-gh b{letter-spacing:.08em;color:var(--text-muted);font-size:12.5px;font-weight:600}.hackathon .wf-gh b,.hackathon .wf-group:not(.wf-bonus) .wf-gh b{letter-spacing:.02em;color:#fff;align-items:center;gap:10px;font-size:17px;display:inline-flex}.hackathon .wf-gh b:before{content:"";background:#7b5cff;border-radius:2px;width:4px;height:16px;box-shadow:0 0 10px rgba(123,92,255,.7)}.hackathon .wf-gh{padding-bottom:8px}.hackathon .work-form>.check{border-top:1px solid var(--border-subtle);margin-top:26px;padding-top:52px}.hackathon .wf-gh span{color:var(--text-muted);font-size:12.5px}.hackathon .wf-group:not(.wf-bonus) .wf-gh span{color:var(--ice);font-weight:600}.hackathon .wf-group+.wf-group{border-top:1px solid var(--border-subtle);padding-top:26px}.hackathon .field.wf-item{flex-direction:column;gap:18px;margin:0;padding:22px 0;display:flex}.hackathon .wf-item+.wf-item{margin-top:6px}.hackathon .wf-ctrl{gap:14px!important}.hackathon .wf-gh{margin-bottom:4px}.hackathon .wf-label>div{flex-wrap:wrap;align-items:baseline;gap:2px 12px;display:flex}.hackathon .wf-label>div strong{margin-bottom:0}.hackathon .wf-label>div p{margin:0}.hackathon .wf-label{align-items:flex-start;gap:12px;display:flex}.hackathon .wf-label strong{color:var(--text);margin-bottom:2px;font-size:15px;font-weight:700;display:block}.hackathon .wf-item.done .wf-label strong:after{content:"✓";color:var(--ice);margin-left:8px;font-weight:700}.hackathon .wf-label p{color:var(--text-muted);font-size:12.5px;line-height:1.6}.hackathon .wf-num{width:22px;height:22px;font:600 11.5px var(--font-mono);color:var(--text-muted);border:1px solid var(--border-strong);border-radius:50%;flex-shrink:0;align-items:center;justify-items:center;margin-top:1px;transition:all .25s;display:grid;display:none!important}.hackathon .wf-item.done .wf-num{background:var(--blue);border-color:var(--blue);font-size:0}.hackathon .wf-item.done .wf-num:after{content:"✓";color:#fff;font-size:12px}.hackathon .wf-ctrl{flex-direction:column;gap:10px;min-width:0;display:flex}.hackathon .wf-ctrl .field-error{margin-top:0}.hackathon .seg.seg-sm{border:1px solid var(--border-strong);background:var(--bg-2);border-radius:10px;align-self:flex-start;gap:0;padding:3px;display:inline-flex}.hackathon .seg.seg-sm label{flex:none}.hackathon .seg.seg-sm span{height:30px;color:var(--text-muted);background:0 0;border:0;border-radius:7px;padding:0 16px;font-size:13px;font-weight:600;line-height:30px;transition:background .2s,color .2s;display:block}.hackathon .seg.seg-sm span:hover{color:var(--text)}.hackathon .seg.seg-sm input:checked+span{color:#fff;background:#7b5cff;box-shadow:0 4px 14px -6px rgba(123,92,255,.9)}.hackathon .wf-mode{flex-wrap:wrap;align-items:center;gap:12px 16px;display:flex}.hackathon .wf-or{color:var(--text-muted);font-size:12.5px}.hackathon .work-form .work-head{margin-bottom:32px;padding-bottom:24px}.hackathon .work-form .wf-group{margin:0;padding:0}.hackathon .work-form .wf-gh{align-items:center;min-height:30px;margin:0 0 24px;padding:0}.hackathon .work-form .field.wf-item{gap:16px;margin:0;padding:0}.hackathon .work-form .wf-item+.wf-item{margin-top:40px}.hackathon .work-form .wf-ctrl{gap:12px!important}.hackathon .work-form .wf-label>div{row-gap:6px}.hackathon .work-form .wf-group+.wf-group{border-top:1px solid var(--border-subtle);margin-top:32px;padding-top:32px}.hackathon .work-form>.check{border-top:1px solid var(--border-subtle);margin:32px 0 0;padding-top:32px}.hackathon .work-form>.check.check-next{border-top:0;margin-top:14px;padding-top:0}.hackathon .work-form .work-actions{margin-top:24px}.hackathon #myWorks .work-form>.reg-note{margin-top:16px}@media (max-width:760px){.hackathon .field.wf-item{grid-template-columns:1fr}.hackathon .wf-group{padding:4px 16px}}.hackathon .drop{border:1px dashed var(--border-strong);border-radius:var(--radius-sm);background:var(--bg-2);transition:border-color .2s,background .2s;position:relative}.hackathon .drop.over{border-color:var(--ice);background:rgba(123,92,255,.08)}.hackathon .drop-empty{cursor:pointer;width:100%;min-height:48px;color:var(--text-soft);outline:none;flex-wrap:wrap;align-items:center;gap:10px;padding:12px 16px;font-size:14px;display:flex}.hackathon .drop-empty:focus-visible{box-shadow:0 0 0 2px var(--ice);border-radius:var(--radius-sm)}.hackathon .drop-empty svg{width:20px;height:20px;color:var(--ice);flex-shrink:0}.hackathon .drop-empty b{color:var(--ice);font-weight:600}.hackathon .drop-empty small{color:var(--text-muted);margin-left:auto;font-size:12.5px}.hackathon .drop-file{align-items:center;gap:10px;min-height:48px;padding:12px 16px;font-size:14px;display:none}.hackathon .drop-file svg{flex-shrink:0;width:22px;height:22px}.hackathon .drop-file .nm{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-weight:600;overflow:hidden}.hackathon .drop-file .sz{color:var(--text-muted);white-space:nowrap;margin-right:auto;font-size:13px}.hackathon .drop-file label{cursor:pointer}.hackathon .drop.has-file{border-style:solid}.hackathon .drop.has-file .drop-empty{display:none}.hackathon .drop.has-file .drop-file{display:flex}.hackathon .work-status{flex-direction:column;align-items:flex-start;gap:16px;padding:8px 0 6px;display:flex}.hackathon .work-status .badge{padding:4px 12px;font-size:13px}.hackathon .work-status+.receipt-links{margin-top:22px}.hackathon .work-status .work-ver{color:var(--text-muted);font-size:13px}.hackathon .work-status p{color:var(--text-soft);max-width:720px;font-size:14.5px;line-height:1.7}.hackathon .work-btns{flex-wrap:wrap;gap:12px;margin-top:10px;display:flex}.hackathon .receipt-links[hidden]{display:none}.hackathon .receipt-links{border-top:1px solid var(--border-subtle);padding-top:16px}.hackathon .receipt-links .val b{color:var(--text);font-weight:600}.hackathon .receipt-title{margin-bottom:4px;font-size:22px;font-weight:700}.hackathon .receipt-tagline{color:var(--text-soft);margin-bottom:14px}.hackathon .receipt-links{gap:8px;margin:16px 0 4px;font-size:14px;display:grid}.hackathon .receipt-links a{color:var(--ice);word-break:break-all}.hackathon .receipt-links a:hover{color:#fff}.hackathon .receipt-links div{grid-template-columns:220px 1fr;gap:16px;display:grid}.hackathon .receipt-links span{color:var(--text-muted)}.hackathon .receipt-desc{color:var(--text-soft);white-space:pre-wrap;margin-top:12px;font-size:14.5px}.hackathon .field{border:0;margin-bottom:16px;display:block}.hackathon .field>span,.hackathon .field>legend{color:var(--text-soft);margin-bottom:8px;padding:0;font-size:13.5px;font-weight:600;display:block}.hackathon select{border:1px solid var(--border-strong);background:var(--bg-2);width:100%;height:46px;color:var(--text);font:inherit;border-radius:12px;padding:0 14px;font-size:15px;transition:border-color .2s,box-shadow .2s}.hackathon input[type=text]{border:1px solid var(--border-strong);background:var(--bg-2);width:100%;height:46px;color:var(--text);font:inherit;border-radius:12px;padding:0 14px;font-size:15px;transition:border-color .2s,box-shadow .2s}.hackathon input[type=email]{border:1px solid var(--border-strong);background:var(--bg-2);width:100%;height:46px;color:var(--text);font:inherit;border-radius:12px;padding:0 14px;font-size:15px;transition:border-color .2s,box-shadow .2s}.hackathon input[type=url]{border:1px solid var(--border-strong);background:var(--bg-2);width:100%;height:46px;color:var(--text);font:inherit;border-radius:12px;padding:0 14px;font-size:15px;transition:border-color .2s,box-shadow .2s}.hackathon select.is-placeholder{color:var(--text-muted)}.hackathon select option[hidden]{display:none}.hackathon select{-webkit-appearance:none;-moz-appearance:none;-ms-appearance:none;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-muted)50%),linear-gradient(135deg,var(--text-muted)50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-repeat:no-repeat;background-size:5px 5px}.hackathon input:focus,.hackathon select:focus{border-color:var(--ice);outline:none;box-shadow:0 0 0 3px rgba(181,172,255,.15)}.hackathon [aria-invalid=true]{border-color:#f87171!important}.hackathon .field-error{color:#fca5a5;min-height:0;margin-top:6px;font-size:12.5px;font-style:normal;display:block}.hackathon .field-error:empty{display:none}.hackathon .seg{gap:10px;display:flex}.hackathon .seg label{flex:1}.hackathon .seg input{opacity:0;pointer-events:none;position:absolute}.hackathon .seg span{text-align:center;border:1px solid var(--border-strong);background:var(--bg-2);cursor:pointer;border-radius:12px;height:44px;font-weight:600;line-height:42px;transition:all .2s;display:block}.hackathon .seg input:checked+span{border-color:var(--ice);color:#fff;background:rgba(123,92,255,.16)}.hackathon .seg input:focus-visible+span{outline:2px solid var(--ice);outline-offset:2px}.hackathon .check{color:var(--text-soft);cursor:pointer;align-items:flex-start;gap:10px;margin:4px 0;font-size:14px;line-height:1.6;display:flex}.hackathon .check a{color:var(--ice);font-weight:600}.hackathon .check a:hover{text-underline-offset:3px;text-decoration:underline}.hackathon .role-row{gap:8px;display:grid}.hackathon .role-row.is-split{grid-template-columns:1fr 2fr}.hackathon .role-row>*{min-width:0}.hackathon .loc-row{grid-template-columns:1fr 1fr;gap:8px;display:grid}.hackathon .loc-row>select{grid-column:1/-1}.hackathon .loc-cell{align-content:start;gap:8px;display:grid}.hackathon .loc-cell [hidden]{display:none}.hackathon select:disabled{opacity:.5;cursor:not-allowed}.hackathon .grid2-m{grid-template-columns:1fr 1fr;gap:8px;display:grid}.hackathon .loc-row>*,.hackathon .grid2-m>*{min-width:0}.hackathon .check input{accent-color:#7b5cff;flex-shrink:0;width:18px;height:18px;margin-top:3px}.hackathon #regSubmit{margin-top:18px}.hackathon .modal{z-index:100;align-items:center;justify-items:center;padding:16px;display:grid;position:fixed;top:0;bottom:0;left:0;right:0}.hackathon .modal[hidden]{display:none}.hackathon .modal-backdrop{-webkit-backdrop-filter:blur(6px);background:rgba(0,0,0,.66);position:absolute;top:0;bottom:0;left:0;right:0}.hackathon .modal-card{border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);width:min(480px,100%);max-height:calc(100svh - 32px);padding:36px 32px 32px;position:relative;overflow:auto;box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 0 1px rgba(106,72,255,.08)}.hackathon .modal-close{width:36px;height:36px;color:var(--text-soft);border-radius:50%;align-items:center;justify-items:center;display:grid;position:absolute;top:14px;right:14px}.hackathon .modal-close:hover{color:#fff;background:rgba(255,255,255,.06)}.hackathon .modal-close svg{width:18px;height:18px}.hackathon .modal-pane[hidden]{display:none}.hackathon .modal-icon{margin-bottom:18px}.hackathon .modal-title{margin-bottom:6px;font-size:22px;font-weight:700}.hackathon[lang=zh_CN] .modal-title{font-family:var(--font-title);letter-spacing:.02em;font-weight:400}.hackathon .modal-desc{color:var(--text-soft);margin-bottom:24px;font-size:14.5px}.hackathon .qr{border:1px solid var(--border);background:#fff;border-radius:12px;align-items:center;justify-items:center;width:184px;height:184px;margin:0 auto 18px;padding:6px;display:grid;overflow:hidden}.hackathon .qr img{object-fit:contain;width:100%;height:100%;display:block}.hackathon .invite{border:1px solid var(--border);background:var(--bg-2);border-radius:12px;justify-content:space-between;align-items:center;padding:12px 16px;font-size:14px;font-weight:600;display:flex}.hackathon .invite em{color:var(--text-muted);font-style:normal;font-weight:500}.hackathon a.invite{color:inherit;text-decoration:none}.hackathon a.invite em{color:var(--ice)}.hackathon .modal-list{color:var(--text-muted);gap:6px;margin:18px 0 0 18px;font-size:13.5px;display:grid}body.modal-open{overflow:hidden}.hackathon .demo-reset{z-index:90;border-radius:var(--radius-pill);border:1px dashed var(--border-strong);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);height:32px;color:var(--text-muted);background:rgba(14,14,16,.85);align-items:center;gap:8px;padding:0 14px;font-size:12px;font-weight:600;transition:color .2s,border-color .2s;display:inline-flex;position:fixed;bottom:16px;left:16px}.hackathon .demo-reset:hover{color:var(--text);border-color:var(--ice)}.hackathon .demo-reset .dot{background:#fbbf24;border-radius:50%;width:6px;height:6px}.hackathon .toast{z-index:120;opacity:0;pointer-events:none;border-radius:var(--radius-pill);color:#101012;background:#f4f4f5;padding:12px 20px;font-size:14px;font-weight:700;transition:opacity .25s,transform .25s;position:fixed;bottom:28px;left:50%;transform:translate(-50%,20px);box-shadow:0 12px 40px rgba(0,0,0,.5)}.hackathon .toast.show{opacity:1;transform:translate(-50%)}.hackathon .reveal{opacity:0;transition:opacity .9s var(--ease),transform .9s var(--ease);transform:translateY(24px)}.hackathon .reveal.in{opacity:1;transform:none}.hackathon .reveal.d1{transition-delay:80ms}.hackathon .reveal.d2{transition-delay:.16s}.hackathon .reveal.d3{transition-delay:.24s}@media (max-width:1080px){.hackathon .nav-links{display:none}.hackathon .menu-btn{display:inline-flex}.hackathon .nav-inner{justify-content:space-between;gap:8px;display:flex}.hackathon .nav.open{background:var(--bg)}.hackathon .nav-backdrop{z-index:40;cursor:pointer;background:rgba(0,0,0,.55);border:0;width:100%;height:100%;padding:0;display:block;position:fixed;top:0;bottom:0;left:0;right:0}.hackathon .nav.open .nav-links{height:auto;max-height:calc(100dvh - 64px);padding:4px var(--nav-gutter)12px;border-bottom:1px solid var(--border-subtle);overscroll-behavior:contain;background:rgba(5,5,6,.96);flex-direction:column;align-items:stretch;gap:0;display:flex;position:absolute;top:100%;left:0;right:0;overflow-y:auto;box-shadow:0 16px 40px rgba(0,0,0,.45)}body.menu-open{overflow:hidden}.hackathon .nav.open .nav-links a{border-bottom:1px solid var(--border-subtle);border-radius:0;padding:14px 0;font-size:17px}.hackathon .sec-head,.hackathon #timeline .sec-head{grid-template-columns:1fr;gap:20px;margin-bottom:48px}.hackathon #timeline .sec-desc{white-space:normal}.hackathon .about-grid,.hackathon .faq-wrap{grid-template-columns:1fr;gap:24px}.hackathon .faq-wrap{gap:32px}.hackathon .perks,.hackathon .dv-grid{grid-template-columns:1fr 1fr}.hackathon .team-split{grid-template-columns:1fr;gap:24px}.hackathon .team-box,.hackathon .team-box+.team-box{padding:0}.hackathon .team-split>.team-box+.team-box{border-left:0;border-top:1px solid var(--border-subtle);padding-top:24px}.hackathon .res-grid{grid-template-columns:1fr}.hackathon .awards{--award-min-width:160px;gap:12px;margin-top:12px}.hackathon .award{padding:28px 22px}.hackathon .prizes{grid-template-columns:repeat(3,1fr);gap:12px}.hackathon .prize{padding:28px 22px}.hackathon .tl2-cards{grid-template-columns:repeat(3,1fr)}.hackathon .rule-steps{grid-template-columns:1fr;gap:0}.hackathon .rule-step{text-align:left;grid-template-columns:52px 1fr;align-items:center;column-gap:16px;display:grid}.hackathon .rule-icon{grid-row:span 2;width:52px;height:52px;margin:0}.hackathon .rule-step .rule-no{display:none}.hackathon .rule-step h4{align-self:end;margin:0}.hackathon .rule-step p{align-self:start}.hackathon .rule-arrow{padding:6px 0 6px 16px}.hackathon .rule-arrow svg{transform:rotate(90deg)}.hackathon .foot-grid{grid-template-columns:1fr 1fr}.hackathon .foot-brand{grid-column:1/-1}}@media (max-width:640px){.hackathon .brand-tag{display:none}.hackathon .nav-actions{gap:6px}.hackathon #navAuth{height:40px;padding:0 12px;font-size:13.5px}.hackathon .brand-cobrand{max-width:min(168px,42vw);height:19px}.hackathon .nav{max-width:100%}.hackathon .nav-actions>.lang-toggle{display:none}.hackathon .nav.open .nav-lang{padding-top:20px;display:block}.hackathon .nav-lang .lang-toggle{height:44px}.hackathon .nav-lang .lang-toggle button{min-width:88px;font-size:14px}.hackathon .lang-toggle button{min-width:34px;padding:0 8px}.hackathon select,.hackathon textarea{font-size:16px}.hackathon input[type=text]{font-size:16px}.hackathon input[type=email]{font-size:16px}.hackathon input[type=url]{font-size:16px}.hackathon .modal{align-items:end;justify-items:center;padding:0}.hackathon .modal-card{width:100%;max-height:90svh;padding:28px 20px calc(24px + env(safe-area-inset-bottom));animation:sheetUp .28s var(--ease);border-bottom:0;border-radius:20px 20px 0 0}.hackathon .modal-card:before{content:"";background:var(--border-strong);border-radius:2px;width:36px;height:4px;margin-left:-18px;position:absolute;top:8px;left:50%}.hackathon .hero-meta dd{font-size:14px}.hackathon .hero-meta dt,.hackathon .cd-unit span,.hackathon .foot-grid h5{font-size:12px}.hackathon .toast{bottom:calc(20px + env(safe-area-inset-bottom));text-align:center;max-width:calc(100% - 32px)}.hackathon .demo-reset{bottom:calc(12px + env(safe-area-inset-bottom));left:12px}.hackathon .hero-meta{grid-template-columns:1fr 1fr;width:100%}.hackathon .hero-meta div:last-child{grid-column:1/-1}.hackathon .hero-meta div{border-right:0;border-bottom:1px solid var(--border-subtle);margin:0;padding:16px 12px 16px 0}.hackathon .hero-cta .btn{flex:100%}.hackathon .strip-inner{flex-direction:column;align-items:stretch}.hackathon .countdown{justify-content:space-between}.hackathon .cd-unit{flex:1;min-width:0}.hackathon .prizes{grid-template-columns:repeat(3,minmax(240px,1fr))}.hackathon .awards{--award-min-width:220px}.hackathon .jg-grid,.hackathon .dv-grid{grid-template-columns:1fr}.hackathon .res-main{flex-direction:column;align-items:flex-start}.hackathon .res-media{align-self:center;width:min(280px,100%)}.hackathon .res-art{width:150px}.hackathon .res-banner{flex-direction:column;align-items:flex-start;padding:24px}.hackathon .res-banner .btn{width:100%}.hackathon .perks{grid-template-columns:1fr;gap:12px}.hackathon .tl2-cards{grid-template-columns:1fr;gap:10px}.hackathon .tl2-card{grid-template-columns:auto 1fr;align-items:center;gap:6px 12px;padding:14px 16px;display:grid}.hackathon .tl2-ctop{grid-column:1/-1}.hackathon .tl2-card h4{font-size:15px}.hackathon .tl2-rsv{grid-column:1/-1;justify-self:start;margin:4px 0 0}.hackathon .tl2-seg{padding:0 8px;font-size:11px}.hackathon .tl2-rev i,.hackathon .tl2-labels{display:none}.hackathon .tl2-mslist{border-top:1px solid var(--border-subtle);margin-top:18px;list-style:none;display:grid}.hackathon .tl2-mslist li{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:baseline;padding:10px 0;display:flex}.hackathon .tl2-mslist .mono{color:var(--ice);font-size:12.5px;font-weight:600}.hackathon .tl2-mslist strong{font-size:14.5px;font-weight:700}.hackathon .tl2-ev b{width:20px;height:20px;font-size:10.5px}.hackathon .tl2-events{margin-top:32px}.hackathon .perk{padding:20px 16px}.hackathon .pz-special{flex-direction:column;align-items:flex-start}.hackathon .pz-sp-amt{text-align:left}.hackathon .res-item{gap:16px;padding:20px}.hackathon .demo-wall{height:400px;min-height:0}.hackathon .demo-tile figcaption{flex-direction:column;align-items:flex-start;gap:2px;padding:8px 10px;font-size:12.5px}.hackathon .demo-tile figcaption em{font-size:11.5px}.hackathon .demo-head em{width:100%;margin-left:0}.hackathon .faq-list summary{padding:22px 0;font-size:16px}.hackathon .faq-list details p{padding-right:0}.hackathon .scroll-hint{display:none}.hackathon .my-head{flex-direction:column;align-items:flex-start}.hackathon .chip{flex:100%}.hackathon .reg-row>.btn{width:100%}.hackathon .team-box .row{flex-direction:column}.hackathon .team-box .row input{flex:none}.hackathon .work-form .grid2{grid-template-columns:1fr}.hackathon .receipt-links div{grid-template-columns:1fr;gap:2px}.hackathon .work-actions .btn{flex:100%}.hackathon .work-actions .saved{margin-left:0}.hackathon .team-btns{width:100%}.hackathon .team-btns .btn{flex:30%;padding:0 10px}.hackathon .modal-card{padding:32px 22px 24px}.hackathon .eyebrow{letter-spacing:.06em;font-size:11.5px}}@media (max-height:960px){.hackathon .scroll-hint{display:none}}@media (max-width:360px){.hackathon .brand-cobrand{height:15px}}@keyframes sheetUp{0%{opacity:.6;transform:translateY(24px)}}@media (prefers-reduced-motion:reduce){.hackathon .demo-cols{overflow-y:auto}.hackathon .demo-cols:before,.hackathon .demo-cols:after,.hackathon .demo-dup{display:none}html{scroll-behavior:auto}.hackathon *,.hackathon :before,.hackathon :after{transition:none!important;animation:none!important}.hackathon .reveal{opacity:1;transform:none}}@media (max-width:640px){.hackathon .my-stage{padding:20px 16px}.hackathon .ms-head{margin-bottom:20px}.hackathon .my-steps li{padding-left:4px;padding-right:2px}.hackathon .my-steps li b{letter-spacing:.04em;font-size:10px}.hackathon .my-steps li{letter-spacing:0;padding-top:12px;font-size:10.5px;line-height:1.45}.hackathon .my-steps .sep{height:0;display:block;overflow:hidden}}.hackathon{min-height:100dvh}.hackathon .my-stage-foot{border-top:1px solid var(--border-subtle);flex-wrap:wrap;grid-column:1/-1;justify-content:space-between;align-items:center;gap:16px;padding-top:16px;display:flex}.hackathon .member-edit{text-align:left;align-items:center;gap:10px;width:100%;min-width:0;display:flex}.hackathon .my-stage-foot .mono{color:var(--ice);letter-spacing:.04em;font-size:12.5px;font-weight:600}.hackathon .drop-main{align-items:center;gap:10px;min-width:0;display:flex}.hackathon .drop-progress{border-radius:var(--radius-pill);background:var(--surface-2);height:4px;overflow:hidden}.hackathon .drop-progress>i{border-radius:inherit;background:var(--grad);width:0;height:100%;transition:width .2s linear;display:block}.hackathon .drop-progress>i.is-wait{width:35%;animation:1.1s ease-in-out infinite hack-upload-wait}@keyframes hack-upload-wait{0%{transform:translate(-120%)}to{transform:translate(320%)}}.hackathon .drop.is-error{border-color:#f87171}.hackathon .drop>.field-error{margin:0 16px 12px}.hackathon .drop-file .pct{color:var(--ice);font-variant-numeric:tabular-nums;white-space:nowrap;flex-shrink:0;font-size:13px}@media (max-width:640px){.hackathon .my-stage-foot{padding-left:6px;padding-right:6px}}html:has(.notice-page){color:#fff;background:#1b1b1d}body:has(.notice-page){color:#fff;background:#1b1b1d}.notice-page{color:#fff;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;-webkit-font-smoothing:antialiased;background:#1b1b1d;min-height:100vh;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,Arial,sans-serif;font-size:16px;font-weight:400;line-height:2}.notice-doc{box-sizing:border-box;max-width:960px;margin:0 auto 48px;padding:0 max(20px,min(5em,80px))}.notice-doc h1{text-align:center;margin:40px 0;font-size:24px;font-weight:700;line-height:1.5}.notice-doc h2{border-bottom:1px solid rgba(255,255,255,.2);margin:20px 0;padding-bottom:5px;font-size:20px;font-weight:700;line-height:1.5}.notice-doc h3{margin:20px 0 10px;font-size:18px;font-weight:700;line-height:1.5}.notice-doc p{margin:0 0 10px}.notice-doc ol,.notice-doc ul{margin:0 0 10px;padding-left:1.4em}.notice-doc ol{list-style-type:decimal}.notice-doc ul{list-style-type:disc}.notice-doc li{margin:0 0 8px}.notice-doc li p{margin-bottom:6px}.notice-doc a{color:#5958ea;text-underline-offset:3px;overflow-wrap:anywhere;text-decoration:underline}.notice-doc a:hover{color:#86b6ff}