@keyframes pulse{50%{opacity:.4}}.hp-hero{display:grid;grid-template-columns:minmax(0,1.6fr) 1fr;gap:var(--space-7);align-items:start;padding-bottom:var(--space-8);border-bottom:1px solid var(--line);margin-bottom:var(--space-8)}@media (max-width: 1024px){.hp-hero{grid-template-columns:1fr}}@media (max-width: 768px){.hp-hero{gap:var(--space-4);padding-bottom:var(--space-8);margin-bottom:var(--space-8)}}.hp-welcome-kicker{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:11px;color:var(--fg-3);text-transform:uppercase;letter-spacing:.1em;margin-bottom:14px}.hp-welcome-kicker .live-dot{width:6px;height:6px;background:var(--ok);border-radius:50%;animation:pulse 1.4s infinite}.hp-welcome .hand{display:inline-block;transform-origin:70% 70%;animation:pulse 2.4s infinite}.hp-welcome .lede{margin-top:16px;font-family:var(--font-serif);font-size:18px;font-style:italic;color:var(--fg-2);line-height:1.5;max-width:60ch}.hp-welcome .lede a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}@media (max-width: 768px){.hp-welcome .lede{margin-top:var(--space-4)}}.hp-featured-contest{position:relative;margin-top:var(--space-6);background:radial-gradient(ellipse at top right,color-mix(in oklch,var(--accent) 14%,transparent),transparent 65%),linear-gradient(135deg,var(--bg-2),var(--bg));border:1px solid color-mix(in oklch,var(--accent) 35%,var(--line));border-radius:var(--radius-md);padding:20px 22px;display:flex;gap:18px;align-items:center;flex-wrap:wrap;text-decoration:none;color:inherit;transition:transform .15s ease,box-shadow .2s ease,border-color .15s;overflow:hidden}@media (max-width: 768px){.hp-featured-contest{margin-top:var(--space-4);padding:var(--space-4)}}.hp-featured-contest:after{content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;background:radial-gradient(circle,color-mix(in oklch,var(--accent) 22%,transparent),transparent 70%);pointer-events:none}.hp-featured-contest:hover{transform:translateY(-2px);box-shadow:0 6px 28px -10px color-mix(in oklch,var(--accent) 50%,transparent);border-color:var(--accent)}.hp-featured-contest:hover .btn--primary{transform:translate(3px)}.hp-featured-contest .fc-kicker{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);font-weight:600}.hp-featured-contest .fc-kicker i{animation:pulse 2.4s infinite}.hp-featured-contest .fc-tags{display:inline-flex;gap:6px;flex-wrap:wrap}.hp-featured-contest .fc-tag{font-family:var(--font-mono);font-size:9.5px;text-transform:uppercase;letter-spacing:.1em;padding:2px 7px;border-radius:999px;background:color-mix(in oklch,currentColor 12%,transparent);border:1px solid color-mix(in oklch,currentColor 35%,transparent);color:var(--fg-3);line-height:1.4;font-weight:600}.hp-featured-contest .fc-tag.is-ongoing{color:var(--err)}.hp-featured-contest .fc-tag.is-upcoming{color:var(--accent)}.hp-featured-contest .fc-tag.is-suggested{color:var(--warn)}.hp-featured-contest .fc-name-wrap{flex:1 1 280px;min-width:0;display:flex;flex-direction:column;gap:6px}.hp-featured-contest .fc-name{font-family:var(--font-serif);font-size:24px;line-height:1.15;letter-spacing:-.01em;color:var(--fg);font-weight:400}.hp-featured-contest .fc-meta{font-family:var(--font-mono);font-size:11.5px;color:var(--fg-2);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}.hp-featured-contest .fc-meta i{color:var(--accent)}.hp-stats{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-top:var(--space-6)}@media (max-width: 768px){.hp-stats{margin-top:var(--space-8)}}.hp-stat-meta .up{color:var(--ok);font-weight:600}.hp-start{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;position:sticky;top:80px;align-self:start}@media (max-width: 768px){.hp-start{padding:var(--space-4)}}.hp-start .kicker{font-family:var(--font-mono);font-size:10.5px;color:var(--accent);text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px}.hp-start h2{font-family:var(--font-serif);font-size:22px;line-height:1.15;letter-spacing:-.005em;color:var(--fg);margin:0 0 6px;font-weight:400}.hp-start p{font-family:var(--font-mono);font-size:11.5px;color:var(--fg-3);line-height:1.55;margin:0 0 14px}.hp-start ul.tickets{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.hp-start ul.tickets li{display:flex;gap:8px;font-family:var(--font-mono);font-size:11.5px;color:var(--fg-2);padding:8px 10px;border:1px solid var(--line);border-radius:var(--radius-xs)}.hp-start ul.tickets li a{color:var(--fg);text-decoration:none;font-family:var(--font-serif);font-size:14.5px}.hp-start ul.tickets li a:hover{color:var(--accent)}.hp-start ul.tickets li small{display:block;color:var(--fg-3);margin-top:2px}.hp-start .act-chip{font-family:var(--font-mono);font-size:9.5px;text-transform:uppercase;letter-spacing:.08em;padding:1px 6px;border-radius:var(--radius-xs, 3px);border:1px solid currentColor;line-height:1.4;flex-shrink:0}.hp-start .act-chip-contest{color:var(--accent)}.hp-start .act-chip-problem{color:var(--warn)}.hp-start .act-chip-ticket{color:var(--err)}.hp-start .links{display:flex;flex-direction:column;gap:6px;margin-top:12px}:where(.hp-start .links) a{font-family:var(--font-mono);font-size:11.5px;color:var(--fg-2);text-decoration:none;display:flex;align-items:center;gap:6px;min-height:24px;padding-block:3px}:where(.hp-start .links) a:hover{color:var(--accent)}.hp-start .links .btn--primary+.btn--ghost{margin-top:6px}.hp-tip{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:6px}.hp-tip__head{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.12em;color:var(--accent)}.hp-tip__head i{font-size:12px}.hp-tip__eyebrow{font-weight:600}.hp-tip[data-category=cp_trivia] .hp-tip__head{color:var(--info, var(--accent))}.hp-tip[data-category=site_stat] .hp-tip__head{color:var(--ok)}.hp-tip[data-category=event] .hp-tip__head{color:var(--warn)}.hp-tip__title{font-family:var(--font-serif);font-size:16px;line-height:1.25;letter-spacing:-.005em;color:var(--fg);margin:2px 0 0;font-weight:400}.hp-tip__body{font-family:var(--font-mono);font-size:11.5px;color:var(--fg-2);line-height:1.55;margin:0}.hp-tip__cta{margin-top:6px;display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:11px;color:var(--accent);text-decoration:none;align-self:flex-start}.hp-tip__cta:hover{text-decoration:underline;text-underline-offset:3px}.hp-section{margin-bottom:var(--space-8)}@media (max-width: 768px){.hp-section{margin-bottom:var(--space-8)}}.hp-sec-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:var(--space-6);gap:24px}@media (max-width: 768px){.hp-sec-head{margin-bottom:var(--space-5)}}.hp-sec-kicker{font-family:var(--font-mono);font-size:11px;color:var(--fg-3);text-transform:uppercase;letter-spacing:.12em;display:flex;gap:8px;align-items:center}.hp-sec-kicker .num{color:var(--accent)}.hp-sec-title{font-family:var(--font-serif);font-size:32px;line-height:1.05;letter-spacing:-.015em;font-weight:400;color:var(--fg);margin-top:4px}.hp-sec-link{font-family:var(--font-mono);font-size:11.5px;color:var(--fg-3);text-decoration:none;white-space:nowrap}.hp-sec-link:hover{color:var(--accent)}.hp-two-col{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:var(--space-5);align-items:stretch}@media (max-width: 1024px){.hp-two-col{grid-template-columns:1fr}}@media (max-width: 768px){.hp-two-col{gap:var(--space-4)}}.hp-announce{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-md);padding:24px 26px;display:flex;flex-direction:column}@media (max-width: 768px){.hp-announce{padding:var(--space-4)}}.hp-announce .body{flex:1}.hp-announce .ann-tag{display:inline-flex;font-family:var(--font-mono);font-size:10.5px;color:var(--accent);text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px}.hp-announce>h3{font-family:var(--font-serif);font-size:28px;line-height:1.15;letter-spacing:-.01em;font-weight:400;color:var(--fg);margin:0 0 12px}.hp-announce>h3 a{color:inherit;text-decoration:none}.hp-announce>h3 a:hover{color:var(--accent)}.hp-announce .meta{font-family:var(--font-mono);font-size:11px;color:var(--fg-3);margin-bottom:16px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}.hp-announce .body{font-size:14.5px;color:var(--fg-2);line-height:1.65;position:relative;overflow:hidden;max-height:360px}.hp-announce .body p{margin:12px 0}.hp-announce .body p:first-child{margin-top:0}.hp-announce .body h1,.hp-announce .body h2,.hp-announce .body h3{font-family:var(--font-serif);font-weight:400;margin:16px 0 8px;line-height:1.25}.hp-announce .body h2{font-size:20px}.hp-announce .body h3{font-size:17px}.hp-announce .body ul,.hp-announce .body ol{margin:10px 0;padding-left:22px}.hp-announce .body li{margin:4px 0}.hp-announce .body code{font-family:var(--font-mono);font-size:.92em;background:var(--bg-3);padding:1px 5px;border-radius:var(--radius-xs)}.hp-announce .body pre{background:var(--bg-3);padding:10px 12px;border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:12.5px;overflow-x:auto}.hp-announce .body pre code{background:transparent;padding:0}.hp-announce .body a{color:var(--accent);text-decoration:none}.hp-announce .body a:hover{text-decoration:underline}.hp-announce .body:after{content:"";position:absolute;left:0;right:0;bottom:0;height:60px;background:linear-gradient(to bottom,transparent,var(--bg-2));pointer-events:none}.hp-announce .read-more{margin-top:14px;align-self:flex-start;display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);text-decoration:none;padding:8px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg-1);transition:background .15s,border-color .15s}.hp-announce .read-more:hover{background:var(--bg-3);border-color:var(--accent)}.hp-announce .read-more .arr{transition:transform .15s}.hp-announce .read-more:hover .arr{transform:translate(3px)}.hp-feed{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}.hp-feed .head{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.hp-feed .head h3{font-family:var(--font-mono);font-size:11px;color:var(--fg);text-transform:uppercase;letter-spacing:.1em;font-weight:600}.hp-feed .head .count{font-family:var(--font-mono);font-size:10.5px;color:var(--fg-3)}.hp-feed .item{display:grid;grid-template-columns:auto 1fr auto;gap:10px;padding:11px 18px;border-bottom:1px dashed var(--line);align-items:center}@media (max-width: 768px){.hp-feed .item{padding:var(--space-3) var(--space-4)}}.hp-feed .item:last-child{border-bottom:0}.hp-feed .item .pts{font-family:var(--font-mono);font-size:11px;font-weight:600;color:var(--accent);min-width:36px}.hp-feed .item .info{min-width:0}.hp-feed .item .info a{font-family:var(--font-serif);font-size:14.5px;color:var(--fg);text-decoration:none;line-height:1.2;display:block}.hp-feed .item .info a:hover{color:var(--accent)}.hp-feed .item .info small{display:block;font-family:var(--font-mono);font-size:10.5px;color:var(--fg-3);margin-top:2px}.hp-feed .item .acn{font-family:var(--font-mono);font-size:11px;color:var(--fg-3);text-align:right}.hp-feed .foot{padding:10px 18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:10.5px}.hp-feed .foot a{color:var(--accent);text-decoration:none}.hp-picks{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-5)}@media (max-width: 768px){.hp-picks{gap:var(--space-4)}}.hp-pick{position:relative;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px;display:flex;flex-direction:column;gap:12px;transition:.15s;overflow:hidden}@media (max-width: 768px){.hp-pick{padding:var(--space-4)}}.hp-pick:before{content:"";position:absolute;inset:0;background:radial-gradient(120% 100% at 0% 0%,color-mix(in oklch,var(--accent) 14%,transparent),transparent 55%);pointer-events:none;z-index:0;opacity:.7;transition:opacity .18s}.hp-pick>*{position:relative;z-index:1}.hp-pick:nth-child(8n+2):before{background:radial-gradient(120% 100% at 0% 0%,color-mix(in oklch,var(--ok) 14%,transparent),transparent 55%)}.hp-pick:nth-child(8n+3):before{background:radial-gradient(120% 100% at 0% 0%,color-mix(in oklch,var(--info) 14%,transparent),transparent 55%)}.hp-pick:nth-child(8n+4):before{background:radial-gradient(120% 100% at 0% 0%,color-mix(in oklch,var(--warn) 14%,transparent),transparent 55%)}.hp-pick:nth-child(8n+5):before{background:radial-gradient(120% 100% at 0% 0%,color-mix(in oklch,var(--err) 12%,transparent),transparent 55%)}.hp-pick:nth-child(8n+6):before{background:radial-gradient(120% 100% at 0% 0%,color-mix(in oklch,var(--purple, oklch(70% .2 305)) 14%,transparent),transparent 55%)}.hp-pick:nth-child(8n+7):before{background:radial-gradient(120% 100% at 0% 0%,color-mix(in oklch,oklch(75% .13 180) 14%,transparent),transparent 55%)}.hp-pick:nth-child(8n):before{background:radial-gradient(120% 100% at 0% 0%,color-mix(in oklch,oklch(70% .2 305) 14%,transparent),transparent 55%)}.hp-pick:hover{border-color:var(--line-2);transform:translateY(-2px)}.hp-pick:hover:before{opacity:1}.hp-pick .top{display:flex;justify-content:space-between;align-items:center}.hp-pick .code{font-family:var(--font-mono);font-size:10.5px;color:var(--fg-3);text-transform:uppercase;letter-spacing:.06em}.hp-pick .diff{display:inline-flex;gap:3px}.hp-pick .diff .pip{width:14px;height:4px;border-radius:2px;background:var(--bg-3)}.hp-pick .diff .pip.on{background:var(--ok)}.hp-pick .diff[data-d="4"] .pip.on,.hp-pick .diff[data-d="5"] .pip.on,.hp-pick .diff[data-d="6"] .pip.on{background:var(--warn)}.hp-pick .diff[data-d="7"] .pip.on,.hp-pick .diff[data-d="8"] .pip.on{background:#ff7643}.hp-pick .diff[data-d="9"] .pip.on,.hp-pick .diff[data-d="10"] .pip.on{background:var(--err)}.hp-pick .title{font-family:var(--font-serif);font-size:21px;line-height:1.2;letter-spacing:-.005em;color:var(--fg)}.hp-pick .title a{color:inherit;text-decoration:none}.hp-pick .title a:hover{color:var(--accent)}.hp-pick .desc{font-size:13px;color:var(--fg-2);line-height:1.5}.hp-pick .tags{display:flex;flex-wrap:wrap;gap:5px}.hp-pick .tag{font-family:var(--font-mono);font-size:10px;padding:2px 7px;border-radius:var(--radius-xs);background:var(--bg-3);color:var(--fg-2)}.hp-pick .foot{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:11px;color:var(--fg-3)}.hp-pick .foot b{color:var(--fg)}.hp-contests{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:var(--space-5);align-items:start}@media (max-width: 1024px){.hp-contests{grid-template-columns:1fr}}@media (max-width: 768px){.hp-contests{gap:var(--space-4)}}.hp-contest-featured{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-md);padding:26px 28px;position:relative;overflow:hidden}@media (max-width: 768px){.hp-contest-featured{padding:var(--space-4)}}.hp-contest-featured:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 90% 10%,color-mix(in oklch,var(--accent) 15%,transparent),transparent 55%);pointer-events:none}.hp-contest-featured>*{position:relative}.hp-contest-featured .tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:10.5px;color:var(--err);text-transform:uppercase;letter-spacing:.1em;animation:pulse 1.4s infinite}.hp-contest-featured .tag:before{content:"";width:6px;height:6px;background:var(--err);border-radius:50%}.hp-contest-featured h3{font-family:var(--font-serif);font-size:32px;line-height:1.1;letter-spacing:-.015em;font-weight:400;color:var(--fg);margin:12px 0 8px}.hp-contest-featured h3 a{color:inherit;text-decoration:none}.hp-contest-featured h3 a:hover{color:var(--accent)}.hp-contest-featured .sub{font-family:var(--font-serif);font-style:italic;font-size:15px;color:var(--fg-2);margin:0 0 18px;line-height:1.5}.hp-contest-featured .timer{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}.hp-contest-featured .timer .unit{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px;text-align:center}.hp-contest-featured .timer .n{font-family:var(--font-mono);font-size:22px;font-weight:700;color:var(--accent);line-height:1;font-variant-numeric:tabular-nums}.hp-contest-featured .timer .l{font-family:var(--font-mono);font-size:9.5px;color:var(--fg-3);text-transform:uppercase;letter-spacing:.1em;margin-top:4px}.hp-contest-featured .actions{display:flex;gap:8px;flex-wrap:wrap}.hp-contest-list{display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}.hp-contest-list .row{display:grid;grid-template-columns:80px minmax(0,1fr) auto;gap:14px;padding:12px 16px;border-bottom:1px solid var(--line);align-items:center}@media (max-width: 768px){.hp-contest-list .row{padding:var(--space-4)}}.hp-contest-list .row:last-child{border-bottom:0}.hp-contest-list .row:hover{background:var(--bg-3)}.hp-contest-list .date{font-family:var(--font-mono);font-size:10.5px;color:var(--fg-3);text-transform:uppercase;letter-spacing:.06em}.hp-contest-list .date b{font-family:var(--font-serif);color:var(--fg);display:block;font-size:22px;font-weight:400;text-transform:none;letter-spacing:-.005em;margin-bottom:2px}.hp-contest-list .name{font-family:var(--font-serif);font-size:16px;line-height:1.2;color:var(--fg)}.hp-contest-list .name a{color:inherit;text-decoration:none}.hp-contest-list .name a:hover{color:var(--accent)}.hp-contest-list .meta{margin-top:4px;display:flex;gap:8px;flex-wrap:wrap;font-family:var(--font-mono);font-size:10.5px;color:var(--fg-3)}.hp-contest-list .cta{font-family:var(--font-mono);font-size:11px;color:var(--accent);text-decoration:none;white-space:nowrap}.hp-boards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--space-5)}@media (max-width: 768px){.hp-boards{gap:var(--space-4)}}.hp-board{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}.hp-board .bh{padding:14px 18px;border-bottom:1px solid var(--line)}.hp-board .bh .t{font-family:var(--font-serif);font-size:18px;line-height:1.15;color:var(--fg)}.hp-board .bh .period{font-family:var(--font-mono);font-size:10.5px;color:var(--fg-3);text-transform:uppercase;letter-spacing:.08em;margin-top:4px}.hp-board .row{display:grid;grid-template-columns:22px auto 1fr auto;gap:10px;padding:0 18px;height:56px;border-bottom:1px dashed var(--line);align-items:center;box-sizing:border-box}@media (max-width: 768px){.hp-board .row{padding:0 var(--space-4)}}.hp-board .row:last-child{border-bottom:0}.hp-board .row.top{background:color-mix(in oklch,var(--accent) 4%,transparent)}.hp-board .row-gap{display:flex;align-items:center;justify-content:center}.hp-board .row-gap .gap-dots{font-family:var(--font-mono);color:var(--fg-3);letter-spacing:.3em}.hp-board .row .n{font-family:var(--font-mono);font-size:11px;color:var(--fg-3);font-weight:700}.hp-board .row.top .n{color:var(--accent)}.hp-board .row .name{font-family:var(--font-mono);font-size:12.5px;color:var(--fg);font-weight:500;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hp-board .row .name small{display:block;color:var(--fg-3);font-size:10.5px;font-weight:400;margin-top:1px}.hp-board .row .score{font-family:var(--font-mono);font-size:12.5px;font-weight:600;font-variant-numeric:tabular-nums}.hp-board.b-rose .row .score{color:#f66d67}.hp-board.b-sunflower .row .score{color:#ecaa0b}.hp-board.b-hibiscus .row .score{color:#e16fbf}.hp-board.b-hyacinth .row .score{color:#9886ed}html.light .hp-board.b-rose .row .score{color:#bb061e}html.light .hp-board.b-sunflower .row .score{color:oklch(.5 .16 80)}html.light .hp-board.b-hibiscus .row .score{color:oklch(.5 .22 340)}html.light .hp-board.b-hyacinth .row .score{color:#683ecf}