:root{--blue:#073bcf;--navy:#0b2148;--muted:#61728a;--line:#dce5f0;--pale:#f0f5fd;--orange:#ff8a20;--white:#fff;font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:var(--navy);background:#f6f8fc;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--orange)}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}[hidden]{display:none!important}.skip-link{position:fixed;top:-70px;left:20px;background:#fff;padding:15px;z-index:20}.skip-link:focus{top:12px}.platform-header{min-height:100px;display:flex;align-items:center;gap:38px;padding:22px 4vw;background:#fff;border-bottom:1px solid var(--line)}.platform-brand{display:flex;gap:12px;align-items:center;font-size:24px;letter-spacing:-1px;font-weight:800;white-space:nowrap}.platform-brand b{font-weight:400;color:var(--muted)}.platform-brand small{display:block;font-size:10px;letter-spacing:1px;margin-top:3px}.logo-grid{display:grid;place-items:center;background:var(--blue);color:#fff;width:44px;height:44px;font-size:40px;line-height:1}.platform-header nav{display:flex;gap:25px;align-items:center;margin-left:auto;font-size:13px}.platform-header nav a{padding:10px 0;border-bottom:2px solid transparent;white-space:nowrap}.platform-header nav .active{color:var(--blue);border-color:var(--blue)}#account{font-size:12px;white-space:nowrap}#account button{border:0;background:none;color:var(--muted);margin-left:8px}.platform-wrap{max-width:1280px;margin:0 auto;padding:55px 30px 70px;min-height:70vh}.page-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}.eyebrow{font:11px Consolas,monospace;letter-spacing:2px;color:var(--blue);margin:0 0 14px}.page-heading h1{font-size:40px;letter-spacing:-1.5px;margin:0 0 12px;line-height:1.3}.page-heading p{color:var(--muted);font-size:14px;line-height:1.9;margin:0}.heading-tools{display:flex;gap:15px;align-items:center;flex-shrink:0}.live-indicator{font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center}.live-dot{width:7px;height:7px;border-radius:50%;background:#13b38b;box-shadow:0 0 0 4px #13b38b15}.live-indicator.offline .live-dot{background:#d45534;box-shadow:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;background:var(--blue);color:#fff;border:1px solid var(--blue);min-height:45px;padding:11px 20px;font-size:13px;font-weight:600}.btn.secondary{background:#fff;color:var(--navy);border-color:var(--line)}.btn.danger{background:#fff;color:#b83c37;border-color:#e6bdbb}.btn.small{min-height:34px;padding:7px 12px;font-size:12px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;margin-bottom:30px}.metric{padding:25px 30px;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric strong{display:block;font-size:38px;font-weight:600;letter-spacing:-1px;font-variant-numeric:tabular-nums}.metric span{display:block;color:var(--muted);font-size:12px;margin-top:7px}.surface{background:#fff;border:1px solid var(--line);padding:28px;margin-bottom:22px}.surface h2{font-size:20px;margin:0 0 20px}.surface h3{font-size:16px;margin:0 0 15px}.info-banner{background:#eef3ff;border-left:3px solid var(--blue);padding:15px 20px;font-size:12px;line-height:1.9;color:#42577c;margin-bottom:24px}.info-banner.warning{background:#fff5e8;border-color:var(--orange);color:#7b5733}.board-table{width:100%;border-collapse:collapse;text-align:left;background:#fff}.board-table th{font-size:11px;color:var(--muted);font-weight:500;padding:16px 22px;border-bottom:1px solid var(--line);white-space:nowrap}.board-table td{padding:21px 22px;border-bottom:1px solid var(--line);font-size:13px}.board-table tr:last-child td{border-bottom:0}.board-table .rank{width:80px;font-size:23px;font-weight:700;font-variant-numeric:tabular-nums}.board-table tr.top-rank .rank{color:var(--blue)}.board-table tr:first-child.top-rank{background:#fff7ec}.board-table tr:first-child.top-rank .rank{color:#b8600d}.team-name{font-weight:700;font-size:15px}.team-name small{color:var(--muted);font-weight:400;font-size:11px;display:block;margin-top:7px}.team-number{display:inline-block;font:11px Consolas,monospace;color:var(--blue);margin-right:10px}.board-score{font-size:28px!important;font-weight:650;font-variant-numeric:tabular-nums;letter-spacing:-.8px;color:var(--blue)}.board-pending{font-size:12px;color:var(--muted);font-weight:400;letter-spacing:0}.table-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff}.empty-state{text-align:center;padding:70px 25px;background:#fff}.empty-symbol{display:grid;place-items:center;margin:0 auto 20px;width:64px;height:64px;background:var(--pale);color:var(--blue);font-size:35px}.empty-state h2{font-size:22px;margin:0 0 12px}.empty-state p{font-size:13px;color:var(--muted);line-height:1.8;margin:0 auto;max-width:420px}.empty-state .btn{margin-top:23px}.board-foot{display:flex;justify-content:space-between;gap:20px;font-size:11px;color:var(--muted);line-height:1.8;margin-top:17px}.login-layout{display:grid;grid-template-columns:1fr 1fr;gap:85px;max-width:1000px;margin:40px auto}.login-story{padding:30px 0;background-image:linear-gradient(#073bcf08 1px,transparent 1px),linear-gradient(90deg,#073bcf08 1px,transparent 1px);background-size:36px 36px}.login-story h1{font-size:48px;line-height:1.4;letter-spacing:-1.6px;margin:14px 0 22px}.login-story p{color:var(--muted);font-size:14px;line-height:2.1;max-width:340px}.login-story .login-pixel{display:block;width:36px;height:36px;background:var(--orange);margin-top:45px;box-shadow:42px -42px 0 #91c6ef,84px 0 0 var(--blue)}.login-card{background:#fff;border:1px solid var(--line);padding:38px;align-self:start}.login-card h2{font-size:23px;margin:0 0 10px}.login-card>p{font-size:12px;color:var(--muted);line-height:1.9;margin-bottom:28px}.field{display:block;margin:0 0 20px;font-size:13px;font-weight:600}.field input,.field textarea,.field select{width:100%;background:#fff;border:1px solid #c9d5e4;padding:12px;color:var(--navy);border-radius:0;min-height:44px;margin-top:9px;font-size:14px;font-weight:400}.field textarea{resize:vertical;min-height:95px;line-height:1.8}.field input:disabled,.field textarea:disabled{background:#f4f6f9}.field small{display:block;font-weight:400;font-size:11px;color:var(--muted);margin-top:7px;line-height:1.8}.form-error{min-height:22px;color:#ad302a;font-size:12px;line-height:1.8}.login-card .btn{width:100%;margin-top:8px}.form-footnote{font-size:11px!important;margin:20px 0 0!important}.workspace-grid{display:grid;grid-template-columns:290px 1fr;gap:25px}.team-sidebar{background:#fff;border:1px solid var(--line);padding:22px;align-self:start;max-height:720px;overflow-y:auto}.team-sidebar h2{font-size:14px;margin:0 0 15px}.team-picker{display:flex;flex-direction:column;gap:7px}.team-pick{display:block;text-align:left;border:1px solid transparent;background:#f7f9fc;padding:13px 12px;min-height:60px;color:var(--navy);font-size:12px}.team-pick strong{display:block;font-size:13px;margin:4px 0}.team-pick small{font-size:10px;color:var(--muted)}.team-pick.selected{background:#edf2ff;border-color:var(--blue)}.saved-status{color:var(--blue)!important}.judge-form{padding:30px;background:#fff;border:1px solid var(--line)}.judge-form h2{margin:0 0 8px;font-size:23px}.judge-form .project-line{font-size:13px;line-height:1.9;color:var(--muted);margin-bottom:22px}.dimension-row{display:grid;grid-template-columns:180px 1fr 88px;gap:18px;align-items:center;border-top:1px solid var(--line);padding:20px 0}.dimension-row label{font-size:13px;font-weight:600}.dimension-row label small{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-top:5px}.dimension-row input[type=range]{width:100%;accent-color:var(--blue)}.dimension-row input[type=number]{width:88px;padding:10px;border:1px solid #c9d5e4;color:var(--blue);font-size:18px;text-align:center;font-variant-numeric:tabular-nums}.score-preview{display:flex;justify-content:space-between;align-items:center;padding:20px 0;border-top:1px solid var(--line);font-size:13px}.score-preview strong{font-size:38px;color:var(--blue);font-variant-numeric:tabular-nums}.score-preview small{font-size:13px;font-weight:400;color:var(--muted)}.form-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}.status-chip{display:inline-block;background:#edf2ff;color:var(--blue);font-size:10px;padding:5px 9px;font-weight:500}.status-chip.closed{background:#f7eee9;color:#a46434}.admin-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px}.admin-columns>.surface{margin-bottom:0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.form-grid .wide{grid-column:1/-1}.toggle-line{display:flex;gap:12px;align-items:center;font-size:13px;margin:20px 0}.toggle-line input{width:18px;height:18px;accent-color:var(--blue)}.settings-row{display:flex;gap:18px;align-items:end}.settings-row .field{flex:1}.code-output{padding:17px;background:#fff7e8;border:1px solid #ead3ad;font-size:12px;line-height:1.8;margin-top:18px;overflow-wrap:anywhere}.code-output code{display:block;font:18px Consolas,monospace;letter-spacing:1px;color:var(--navy);margin:12px 0;user-select:all}.invite-list{display:flex;flex-direction:column;gap:9px;margin-top:20px;max-height:250px;overflow:auto}.invite-row{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:12px 0;font-size:12px}.invite-row small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.admin-team-table{margin-top:24px}.admin-team-table .board-table td{padding:15px 18px}.admin-section-title{display:flex;justify-content:space-between;align-items:center;margin:35px 0 18px}.admin-section-title h2{font-size:21px;margin:0}.vote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.vote-card{background:#fff;border:1px solid var(--line);padding:24px}.vote-card h2{font-size:20px;line-height:1.5;margin:12px 0}.vote-card p{color:var(--muted);font-size:13px;line-height:1.8;min-height:46px}.vote-card .btn{width:100%;margin-top:20px}.vote-card.selected{border-color:var(--blue);box-shadow:inset 0 3px var(--blue)}.platform-footer{border-top:1px solid var(--line);padding:25px 4vw;display:flex;justify-content:space-between;color:var(--muted);font-size:11px;gap:15px}.loading-state{padding:80px 20px;text-align:center;color:var(--muted)}#platform-toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:var(--navy);color:#fff;box-shadow:0 8px 40px #00133324;padding:15px 23px;max-width:calc(100vw - 30px);font-size:13px;line-height:1.7;transition:.2s;z-index:30}#platform-toast.visible{opacity:1;transform:translate(-50%,0)}.noscript{padding:40px;text-align:center}.screen-mode{background:#071631;color:#e8efff}.screen-mode .platform-header,.screen-mode .platform-footer{display:none}.screen-mode .platform-wrap{max-width:1600px;padding-top:42px}.screen-mode .page-heading h1{font-size:50px}.screen-mode .eyebrow{color:#88bcff}.screen-mode .metrics,.screen-mode .table-wrap,.screen-mode .board-table,.screen-mode .empty-state{background:#0d2243;border-color:#223957}.screen-mode .metric,.screen-mode .board-table th,.screen-mode .board-table td{border-color:#223957}.screen-mode .metric span,.screen-mode .board-table th,.screen-mode .team-name small,.screen-mode .page-heading p,.screen-mode .board-foot,.screen-mode .live-indicator,.screen-mode .empty-state p,.screen-mode .board-pending{color:#9fb3d1}.screen-mode .board-table tr:first-child.top-rank{background:#27304a}.screen-mode .board-score,.screen-mode .team-number,.screen-mode .board-table tr.top-rank .rank{color:#8cc7ff}.screen-mode .board-table tr:first-child.top-rank .rank{color:#ffb85d}.screen-mode .info-banner{background:#132d53;color:#afc6e9;border-color:#4084ff}.screen-mode .btn.secondary{background:#102745;border-color:#344966;color:#fff}.screen-mode .board-table td{font-size:16px;padding-top:25px;padding-bottom:25px}.screen-mode .team-name{font-size:20px}.screen-mode .board-score{font-size:34px!important}
@media(min-width:1700px){.screen-mode .board-table td{font-size:20px}.screen-mode .team-name{font-size:26px}}
@media(max-width:1050px){.platform-header{flex-wrap:wrap;gap:15px;padding:18px 25px}.platform-header nav{order:3;width:100%;justify-content:space-between;gap:12px}.platform-header #account{margin-left:auto}.workspace-grid{grid-template-columns:230px 1fr}.dimension-row{grid-template-columns:155px 1fr 75px;gap:10px}.dimension-row input[type=number]{width:75px}.login-layout{gap:35px}.admin-columns{gap:18px}.surface{padding:23px}.metric{padding:22px}.heading-tools{flex-wrap:wrap;justify-content:end}.vote-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.platform-brand{font-size:22px}.platform-brand small{font-size:9px}.platform-header{padding:17px 20px}.platform-header nav{overflow:auto;justify-content:start;gap:24px;font-size:12px;padding-bottom:2px}.platform-header nav a{flex-shrink:0}.platform-wrap{padding:32px 18px 45px}.page-heading{align-items:start;flex-direction:column;gap:20px}.page-heading h1{font-size:30px}.page-heading p{font-size:12px}.heading-tools{justify-content:start}.metrics{grid-template-columns:1fr 1fr}.metric{padding:20px}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.metric strong{font-size:31px}.metric span{font-size:11px}.board-table th,.board-table td{padding:14px 12px}.board-table .rank{font-size:18px;width:40px}.board-table .track-col{display:none}.board-score{font-size:23px!important}.team-name{font-size:13px;min-width:120px}.team-name small{font-size:10px}.board-foot{flex-direction:column;gap:6px}.info-banner{padding:13px 15px;font-size:11px}.login-layout{grid-template-columns:1fr;gap:20px;margin:0}.login-story{padding:0 0 12px}.login-story h1{font-size:35px;margin-top:10px}.login-story p{max-width:none;margin-bottom:5px}.login-story .login-pixel{display:none}.login-card{padding:28px}.workspace-grid{grid-template-columns:1fr;gap:18px}.team-sidebar{max-height:none;padding:18px}.team-picker{display:grid;grid-template-columns:repeat(2,1fr);max-height:240px;overflow:auto}.team-pick{min-width:0}.judge-form{padding:22px 18px}.dimension-row{grid-template-columns:1fr 78px;padding:17px 0}.dimension-row label{grid-column:1;font-size:12px}.dimension-row input[type=range]{grid-row:2;grid-column:1/-1}.dimension-row input[type=number]{grid-row:1;grid-column:2;width:78px}.form-actions .btn{flex:1;white-space:nowrap}.admin-columns{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:1}.settings-row{flex-wrap:wrap;gap:0}.settings-row .field{flex-basis:100%}.admin-section-title{align-items:start;gap:20px}.admin-section-title h2{font-size:18px}.vote-grid{grid-template-columns:1fr}.vote-card p{min-height:0}.platform-footer{flex-direction:column;padding:23px 20px;line-height:1.8;font-size:10px}.screen-mode .page-heading h1{font-size:34px}.screen-mode .platform-wrap{padding:30px 18px}.screen-mode .team-name{font-size:15px}.screen-mode .board-table td{font-size:13px;padding:18px 12px}.screen-mode .board-score{font-size:25px!important}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}