:root{--blue:#2F59F7;--ink:#25304A;--muted:#6A738A;--paper:#FFF9EF;--yellow:#F5D86A;--line:#E5E8F0}*{box-sizing:border-box}body{margin:0;background:#ECEFF6;color:var(--ink);font:18px/1.65 "Microsoft YaHei",system-ui,sans-serif}button,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:4px}[hidden]{display:none!important}.preview-note{background:#E9EDFF;color:#3F52A4;padding:8px 14px;text-align:center;font-size:13px;line-height:1.5}.app{max-width:460px;margin:auto;background:var(--paper);min-height:100vh;padding-bottom:180px}.topbar{padding:22px 24px 8px;display:flex;justify-content:space-between;align-items:center;font-size:14px}.brand{font-weight:700;display:flex;align-items:center;gap:8px}.brand i{width:19px;height:19px;background:var(--blue);display:inline-block;border-radius:50% 50% 50% 2px;transform:rotate(-25deg)}.text-button{border:0;background:none;color:var(--blue);padding:6px;font-size:15px;font-weight:600}.eyebrow{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--blue);margin:0 0 14px}.tagline{font-size:18px;line-height:1.65;max-width:245px;margin:0;font-weight:500}.intro{padding:15px 24px 12px}.deadline{display:flex;justify-content:space-between;gap:8px;align-items:center;font-size:14px}.open{font-weight:700;color:var(--blue);white-space:nowrap}.open i{display:inline-block;width:7px;height:7px;background:var(--blue);border-radius:50%;margin-right:5px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:20px 0 16px;border-bottom:1px solid var(--line);margin-top:10px}.stats>div{text-align:center}.stats b{font:800 32px/1.4 system-ui,sans-serif;color:var(--blue);display:block;white-space:nowrap}.stats small{font-size:13px;margin-left:4px;font-weight:600}.stats span{font-size:13px}.tabs{display:flex;gap:7px;padding:13px 22px 22px;position:relative}.tabs button{flex:1;min-width:0;border:1px solid #E1E5EF;border-radius:30px;background:#FFFDF8;color:var(--muted);font-size:16px;padding:10px 0;white-space:nowrap}.tabs button.active{background:var(--blue);border-color:var(--blue);color:white;font-weight:700}.tab-panel{padding:10px 24px 25px}.section-title h2{font-size:32px;line-height:1.4;letter-spacing:-1px;margin:12px 0 17px}.section-title>p:last-child{font-size:17px;margin:0 0 24px;color:var(--muted);line-height:1.9}.rule-card{background:#FFFFFF;border:1px solid #EEEDE8;border-radius:24px;padding:24px 22px;margin:24px 0}.rule-card h3{font-size:20px;line-height:1.6;margin:0 0 24px}.rule-card ol{padding:0;margin:0;list-style:none}.rule-card li{display:flex;gap:13px;padding-bottom:24px}.rule-card li:last-child{padding-bottom:0}.rule-card li i{font-style:normal;font-weight:800;font-size:14px;flex:none;background:#EEF1FF;color:var(--blue);border-radius:50%;height:30px;width:30px;line-height:30px;text-align:center}.rule-card li b{font-size:17px;line-height:1.6;display:block}.rule-card li p{font-size:16px;color:var(--muted);line-height:1.9;margin:8px 0 0}.score-card{background:#FFF0BB;border-radius:24px;padding:25px 22px}.score-card>span{font-size:15px}.score-card>b{display:block;font:800 31px/1.8 system-ui,sans-serif;color:var(--ink);white-space:nowrap}.score-card small{font-size:13px;font-weight:500;margin-left:3px}.score-card em{font-size:22px;font-style:normal;margin:0 7px}.score-card p,.hint p{font-size:16px;margin:8px 0 0}.hint{padding:25px 3px}.hint b{font-size:18px}.hint p{color:var(--muted);line-height:1.9}.map-button{width:100%;padding:0;background:white;border:1px solid var(--line);border-radius:20px;overflow:hidden;position:relative}.map-button img{display:block;width:100%;height:430px;object-fit:cover;object-position:center 48%}.map-button span{display:block;padding:14px;background:#EFF2FF;color:var(--blue);font-size:17px;font-weight:700}.legend{display:flex;justify-content:space-between;margin:22px 0;gap:6px;font-size:15px}.legend span{display:flex;align-items:center;gap:6px}.legend i{width:14px;height:14px;border-radius:50%;background:var(--color)}summary{cursor:pointer;font-weight:600}.point-list>div{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-size:16px;padding:13px 0}.point-list i{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:10px}.small-note{font-size:14px;line-height:1.9;color:var(--muted)}.empty-card{text-align:center;border:1px dashed #B8C5FF;border-radius:24px;padding:35px 23px;background:white}.empty-card>span{font-size:48px;color:var(--blue)}.empty-card h3{font-size:21px;margin:10px 0}.empty-card p{font-size:16px;color:var(--muted)}#signup-view{padding:28px 25px}#signup-view .back{margin-left:-6px;margin-bottom:35px}#signup-view h1{font-size:42px;line-height:1.35;color:var(--blue);margin:15px 0}.form-intro{font-size:17px;color:var(--muted)}label{font-size:18px;font-weight:700}input{width:100%;border:1px solid #D9DFEC;border-radius:12px;padding:14px;margin:14px 0 0;font-size:16px;min-height:54px}.primary{width:100%;border:0;background:var(--blue);color:white;border-radius:32px;padding:16px 23px;font-size:20px;font-weight:700;text-align:left;min-height:60px;display:flex;align-items:center;justify-content:space-between}.primary:disabled{cursor:default;background:#E7EBF6;color:#637291;font-size:16px;justify-content:center}.primary b{font-size:26px;font-weight:400}#sticky-footer{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(460px,100%);padding:12px 23px 22px;background:rgba(255,253,247,.97);border-top:1px solid var(--line);z-index:4}#sticky-footer>span{display:block;font-size:14px;color:var(--muted);text-align:center;margin-bottom:9px}dialog{border:0;border-radius:20px;padding:0;width:min(1100px,96vw);height:92vh;background:var(--paper);color:var(--ink)}dialog::backdrop{background:rgba(20,30,58,.65)}.dialog-bar{position:sticky;top:0;background:var(--paper);display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 18px;z-index:1;font-size:16px}.dialog-image{overflow:auto;height:calc(100% - 65px);padding:10px}.dialog-image img{display:block;width:100%;height:auto}dialog.map-large .dialog-image img{width:1100px;max-width:none}@media(max-width:360px){.topbar{padding-left:20px;padding-right:20px}.deadline{font-size:12px}.intro{padding-left:20px;padding-right:20px}.tabs{padding-left:18px;padding-right:18px}.tabs button{font-size:15px}.tab-panel{padding-left:20px;padding-right:20px}.rule-card{padding:21px 17px}.score-card{padding:22px 17px}.score-card>b{font-size:28px}.score-card small{font-size:12px}.score-card em{margin:0 4px}.section-title h2{font-size:30px}.legend{font-size:14px}.stats b{font-size:29px}.primary{font-size:19px}}

.dev-note{padding:7px 15px;text-align:center;background:#EDF1FF;color:#5265A8;font-size:12px}.brand.text-button{color:var(--ink);padding:0;font-size:14px}.player-status{margin:8px 24px 10px;padding:17px 18px;background:white;border:1px solid var(--line);border-radius:18px;display:flex;align-items:center;justify-content:space-between;gap:12px}.player-status strong{font-size:17px;overflow-wrap:anywhere}.player-status small{font-size:13px;color:var(--muted);display:block}.player-status button{font-size:15px;flex:none}.signup-user-state{font-size:16px;margin-top:20px;color:var(--muted)}#notice{position:sticky;top:0;z-index:8;padding:12px 18px;background:#FFF0BB;color:#4D4428;font-size:15px;text-align:center}#signup-error{color:#B74232;font-size:15px}#confirm-signup{justify-content:center;font-size:18px;margin-top:22px}#cancel-signup{display:block;margin:20px auto 0;color:#8C5B54}.rank-toolbar{display:flex;justify-content:space-between;align-items:center;font-size:14px;gap:9px}.rank-head,.rank-row{display:grid;grid-template-columns:40px minmax(0,1fr) 50px 72px;gap:6px;align-items:center;padding:13px 4px;border-bottom:1px solid var(--line);font-size:15px}.rank-head{font-size:14px;color:var(--muted)}.rank-row .person{overflow:hidden;min-width:0}.rank-row .person b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:16px;font-weight:500}.rank-row small{display:block;font-size:12px;color:var(--muted)}.rank-row .score{color:var(--blue);font-weight:700}.rank-row .time{white-space:nowrap;font-size:14px}#board-content{margin-top:16px}.login-copy{padding:24px}.login-copy h2{font-size:24px}.login-copy p{font-size:17px;color:var(--muted)}.login-actions{display:flex;gap:12px;justify-content:flex-end;padding-top:20px}.login-actions button{padding:12px 18px;border:0;border-radius:24px;font-size:17px}.login-actions .yes{background:var(--blue);color:white}.login-actions .no{background:#EAEFFD;color:var(--ink)}dialog.login-dialog{height:auto;max-width:370px}.h5-version{text-align:center;font-size:12px;color:var(--muted);padding:10px 0 0}.map-button img{height:auto;object-fit:contain}button:disabled{cursor:default}#sticky-footer .primary:disabled{background:#B3C1FB;color:white}

:root{--paper:#F4F9FF;--yellow:#FFE457;--line:#DFE9FA}.stats>div:nth-child(2) b{color:#D84E73}.stats>div:nth-child(3) b{color:#7555C7}.score-card{background:#FFE989}.tabs button{background:white}.topbar .text-button{color:#1354E8}.rule-card{border-color:#E0E9FA}.dev-note{background:#E8F1FF}#sticky-footer{background:rgba(244,249,255,.98)}@media(max-width:350px){}

:root{--paper:#FFFFFF}body{background:#F3F6FA}.hero{position:relative;height:auto;overflow:visible;background:transparent}.hero>.hero-art{position:static;display:block;width:100%;height:auto;object-fit:contain;background:transparent}.hero:after{display:none;content:none}.hero-copy{position:static;padding:18px 24px 8px}.hero-meta{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:9px}.hero .eyebrow{margin:0;letter-spacing:0;font-size:13px;line-height:1.5;color:#64748B;font-weight:500}.hero img.hero-flags{position:static;display:block;width:132px;height:auto;margin:0;flex:none;background:transparent}.hero h1{margin:0;color:#25304A;font-size:30px;line-height:1.3;letter-spacing:-.8px;font-weight:750}.hero .tagline{margin:8px 0 0;max-width:none;font-size:16px;line-height:1.6;color:#64748B;font-weight:400}.intro{padding-top:17px}.deadline{padding-bottom:4px}.topbar{padding-top:16px;padding-bottom:14px}.dev-note{font-size:11px;padding:4px 12px;background:#F5F7FA;color:#7A8799}.app{background:#FFFFFF}#sticky-footer{background:rgba(255,255,255,.98)}@media(max-width:350px){.hero-copy{padding-left:20px;padding-right:20px}.hero h1{font-size:28px}.hero img.hero-flags{width:120px}.hero .eyebrow{font-size:12px}}