:root{--ink:#202024;--paper:#fff;--bg:#f5f5fa;--line:#dedee7;--muted:#666775;--yellow:#f5df89;--blue:#a8c3ff;--orange:#f5a462;--shadow:4px 4px 0 var(--ink)}*{box-sizing:border-box}body{margin:0;color:var(--ink);font:15px/1.75 ui-sans-serif,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background-color:var(--bg);background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:44px 44px}body.dark{--ink:#ededf4;--paper:#25262e;--bg:#17181e;--line:#292b35;--muted:#b6b7c4;--shadow:4px 4px 0 #000}a{color:inherit;text-underline-offset:4px}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,a.btn,summary{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #5a82ee;outline-offset:4px}header{background:var(--paper);border-bottom:2px solid var(--ink)}.header-inner{max-width:1030px;margin:auto;padding:18px 25px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{font-size:25px;font-weight:900;text-decoration:none;display:flex;align-items:center;gap:10px;letter-spacing:-1px}.brand small{font-size:11px;letter-spacing:1px;border:1px solid;padding:1px 7px;border-radius:20px}.logo{font-size:30px;background:var(--yellow);color:#202024;border:2px solid;border-radius:50%;width:43px;height:43px;text-align:center;line-height:37px;box-shadow:2px 2px 0}nav{display:flex;align-items:center;gap:8px}nav a{text-decoration:none;font-size:13px;font-weight:800;padding:7px 11px;border:2px solid transparent;border-radius:4px}nav a.active{background:#7098ff;color:#171820;border-color:#202024;box-shadow:2px 2px 0 #202024}nav button{border:2px solid;background:var(--paper);color:var(--ink);font-size:22px;line-height:1.2;border-radius:4px;padding:5px 9px}main{max-width:1030px;margin:28px auto 64px;padding:0 25px}.topline{display:flex;justify-content:space-between;gap:12px;font-size:13px;margin-bottom:14px;font-weight:600}.channels{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:14px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:var(--paper);color:var(--ink);border:2px solid var(--ink);box-shadow:2px 3px 0 var(--ink);padding:9px 14px;border-radius:5px;text-decoration:none;font-size:13px;font-weight:800;transition:transform .12s}.btn:active{transform:translate(2px,2px);box-shadow:none}.btn:disabled{cursor:not-allowed;opacity:.5}.yellow{background:var(--yellow)!important;color:#202024}.blue{background:var(--blue)!important;color:#202024}.orange{background:var(--orange)!important;color:#202024}.live{font-size:12px;color:var(--muted);margin-left:auto}.notice{border:2px solid var(--ink);background:var(--yellow);color:#202024;box-shadow:var(--shadow);border-radius:5px;padding:12px 18px;display:flex;justify-content:space-between;gap:16px;margin:20px 0 26px;font-size:13px;font-weight:700}.panel{background:var(--paper);border:2px solid var(--ink);border-radius:8px;box-shadow:var(--shadow);padding:26px;margin-bottom:28px}.hero{background-image:radial-gradient(var(--line) 1px,transparent 1px);background-size:12px 12px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:14px}.section-title a{font-size:13px}h1{font-size:24px;line-height:1.4;letter-spacing:-.7px;margin:0 0 12px}h2{font-size:19px;margin:0 0 12px}.section-title h1,.section-title h2{margin:0}p{margin:12px 0}.segmented{display:flex;border:2px solid var(--ink);border-radius:4px;box-shadow:2px 2px 0 var(--ink);overflow:hidden;flex-shrink:0}.segmented button{border:0;border-right:1px solid var(--ink);background:var(--paper);color:var(--ink);font-size:11px;padding:7px 10px;font-weight:700}.segmented button:last-child{border:0}.segmented button.selected{background:var(--yellow);color:#202024}.hero-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:30px;padding:22px 0 10px}.eyebrow{font-size:12px;font-weight:800;margin-bottom:12px}.big{font-size:clamp(45px,6vw,76px);font-weight:950;line-height:1.13;display:inline-block;padding:5px 16px;border-radius:4px;letter-spacing:-3px;text-decoration:none}.muted,.source{color:var(--muted);font-size:12px}.hero-bottom{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-top:18px}.block{display:block;margin-top:6px}.tag{display:inline-block;font-size:11px;font-weight:800;border:1.5px solid var(--ink);border-radius:20px;padding:0 8px;background:var(--paper);margin-right:5px}.badge{font-size:13px;display:inline-block;border:2px solid var(--ink);border-radius:4px;box-shadow:2px 2px 0 var(--ink);padding:2px 6px;margin-right:6px}.challenge-grid{display:grid;grid-template-columns:repeat(14,1fr);gap:5px}.challenge-grid a,.challenge-grid span{border:1.5px solid var(--ink);border-radius:4px;aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;text-decoration:none}.challenge-grid .current{outline:2px dashed var(--ink);outline-offset:2px}.future{opacity:.35}.legend{display:flex;gap:18px;flex-wrap:wrap;font-size:11px;margin-top:14px}.legend span{display:flex;align-items:center;gap:5px}.legend i{display:inline-block;width:12px;height:12px;background:var(--bg);border:1px solid var(--ink);border-radius:2px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.stats .panel{text-align:center;margin-bottom:8px}.stats span{display:block;font-size:12px}.stats strong{font-size:35px;font-weight:900}.scope{margin-bottom:26px}.heat-scroll{overflow-x:auto;padding:4px 0}.heatmap{display:grid;grid-template-rows:repeat(7,18px);grid-auto-flow:column;grid-auto-columns:1fr;gap:5px;min-width:650px}.heatmap button{border:1px solid #aaaab7;border-radius:3px;padding:0;background:var(--bg)}.heatmap button:hover{outline:2px solid var(--ink)}#months{display:flex;justify-content:space-between;font-size:11px;min-width:650px;margin-bottom:6px}.event{display:grid;grid-template-columns:150px 1fr auto;align-items:center;gap:18px;border-bottom:1px solid var(--line);padding:18px 0}.event:last-child{border-bottom:0}.event time{font-size:12px;color:var(--muted)}.event h3{font-size:14px;margin:0}.event p{font-size:12px;margin:4px 0;color:var(--muted)}.event a{font-size:12px}.callout p{color:#343b50}details{border-bottom:1px solid var(--line);padding:14px 0;font-size:13px}summary{font-weight:800}details:last-child{border-bottom:0}footer{max-width:980px;border-top:2px solid var(--ink);margin:0 auto;padding:30px 0 45px;font-size:12px;color:var(--muted)}footer .brand{color:var(--ink);font-size:22px}footer small{font-size:11px}.forecast-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin:35px 0}.forecast-grid span{display:block;font-size:13px;margin-bottom:14px}.countdown{display:block;font-size:35px;margin-top:30px}form{display:flex;flex-wrap:wrap;gap:14px;align-items:center}form label{width:100%}input,select{border:2px solid var(--ink);border-radius:5px;padding:8px;background:var(--paper);color:var(--ink)}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--paper);border-radius:7px;padding:9px 18px;display:none;font-size:13px;z-index:10}[hidden]{display:none!important}@media(max-width:700px){.header-inner{padding:15px}.brand{font-size:20px}.brand small{display:none}nav{gap:1px}nav a{padding:5px;font-size:11px}main{padding:0 15px;margin-top:22px}.topline{display:block}.topline span{display:block}.topline #clock{font-size:11px;color:var(--muted)}.section-title{align-items:flex-start;flex-wrap:wrap}.panel{padding:20px}.hero-grid{gap:15px}.big{font-size:45px;padding:6px 10px}.hero-bottom{align-items:flex-start;flex-direction:column}.live{margin-left:0}.challenge-grid{grid-template-columns:repeat(7,1fr)}.stats{gap:10px}.stats .panel{padding:13px 5px}.stats strong{font-size:25px}.stats span{font-size:10px}.event{grid-template-columns:1fr auto;gap:6px}.event time{grid-column:1/-1}.event h3{font-size:13px}.notice{display:block}.notice a{display:block}footer{margin:0 15px}.forecast-grid{gap:16px}h1{font-size:22px}.countdown{font-size:27px}}