:root{--ink:#192e35;--muted:#6b7d83;--green:#087b70;--green2:#e8f4ee;--paper:#f4f5ef;--line:#dbe3dd;--orange:#ba6a27;--red:#bf4141;--white:#fff;--shadow:0 18px 55px #16382d09;font-family:Inter,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-color:var(--green)}button{cursor:pointer;border:1px solid var(--line);background:white;border-radius:10px;padding:11px 16px;color:var(--ink);font-weight:600;transition:background .15s,transform .15s}button:hover:not(:disabled){background:#edf5ef;border-color:#91b7aa}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.42;cursor:not-allowed}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover:not(:disabled){background:#056158;color:white}.danger{color:var(--red);border-color:#e6b9b9}.ghost{background:transparent}.small{padding:7px 10px;font-size:13px}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.035em}input,select,textarea{width:100%;padding:11px 13px;border:1px solid #ccd8cf;border-radius:9px;background:white;color:var(--ink)}input[type=checkbox]{width:auto;accent-color:var(--green)}textarea{resize:vertical;line-height:1.65}label{display:block;margin-bottom:7px;font-size:13px;font-weight:650;color:#496068}.field{margin:18px 0}.muted{color:var(--muted)}.tiny{font-size:12px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.stack{display:flex;flex-direction:column;gap:12px}.pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:30px;padding:6px 11px;font-size:12px;background:#f8faf7;white-space:nowrap}.dot{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block}.offline .dot{background:var(--red)}.warning{border:1px solid #eacb8d;border-radius:10px;background:#fff7e6;color:#855a17;padding:12px 15px;font-size:13px;line-height:1.6}.notice{border:1px solid #c9dfd3;border-radius:10px;background:#eff7f1;color:#356753;padding:12px 15px;font-size:13px;line-height:1.6}.brand{display:flex;gap:12px;align-items:center}.mark{height:38px;width:38px;border-radius:11px;background:var(--green);display:grid;grid-template-columns:repeat(2,7px);grid-template-rows:repeat(2,7px);gap:4px;place-content:center}.mark i{background:#eaf5dc;border-radius:2px}.brand strong{display:block;font-size:18px;letter-spacing:.03em}.brand small{font-size:10px;letter-spacing:.17em;color:var(--muted)}
.loading{padding:80px;text-align:center;color:var(--muted)}.login-wrap{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;max-width:1380px;margin:auto;padding:8vh 6vw;gap:6vw;align-items:center}.login-copy h1{font-size:clamp(35px,4vw,61px);line-height:1.3;margin:45px 0 24px}.login-copy p{line-height:1.9;color:var(--muted);max-width:430px}.login-copy .steps{display:flex;gap:22px;font-size:13px;color:var(--green);margin-top:48px}.login-card{background:#fff;padding:42px;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);max-width:460px;width:100%;justify-self:end}.login-card h2{font-size:25px;margin-bottom:9px}.login-card .primary{width:100%;margin-top:7px}.login-tabs{display:flex;margin:26px 0 22px;border-bottom:1px solid var(--line);gap:25px}.login-tabs button{border:0;border-radius:0;background:none;padding:9px 0;color:var(--muted)}.login-tabs button.active{color:var(--green);border-bottom:2px solid var(--green)}.error{color:var(--red);font-size:13px;line-height:1.7;min-height:20px}.login-bottom{font-size:12px;color:var(--muted);margin-top:24px;line-height:1.8}
.topbar{height:76px;padding:0 27px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;background:#fff;gap:15px}.workspace{display:grid;grid-template-columns:246px minmax(0,1fr);min-height:calc(100vh - 76px)}.sidebar{padding:25px 18px;background:#fbfcf8;border-right:1px solid var(--line)}.side-label{font-size:10px;color:var(--muted);letter-spacing:.18em;margin:4px 10px 17px}.group-pick{margin:0 6px 23px}.group-pick label{font-size:12px}.stage-list{display:flex;flex-direction:column;gap:7px}.stage-item{display:flex;gap:11px;align-items:center;text-align:left;background:transparent;border-color:transparent;padding:12px 10px;font-size:13px;font-weight:550;width:100%}.stage-item.active{background:#e3f0e6;border-color:#d4e8d9;color:#066655}.stage-num{height:27px;width:27px;display:grid;place-items:center;border:1px solid var(--line);border-radius:7px;font-size:12px;flex-shrink:0}.stage-item.active .stage-num{background:#087b70;color:white;border-color:#087b70}.side-bottom{border-top:1px solid var(--line);margin:25px 6px 0;padding-top:22px;font-size:12px;line-height:1.85;color:var(--muted)}.stock-line{display:flex;justify-content:space-between;margin:8px 0}.stock-line strong{color:var(--ink)}.main{min-width:0;padding:25px 27px 32px}.section-heading{margin-bottom:17px}.section-heading h1{font-size:23px;margin-bottom:5px}.section-heading .muted{font-size:12px}.control-strip{display:flex;gap:9px;align-items:center;flex-wrap:wrap;background:white;border:1px solid var(--line);padding:15px;border-radius:12px;margin-bottom:18px}.control-strip .primary{padding-left:22px;padding-right:22px}.control-strip .spacer{flex:1}.preview-label{font-size:10px;letter-spacing:.13em;color:var(--muted);margin:0 0 9px 3px;display:flex;justify-content:space-between}.preview-wrap{border:1px solid var(--line);border-radius:17px;overflow:hidden;box-shadow:var(--shadow);background:white}.preview-wrap .board{height:clamp(440px,62vh,780px);min-height:440px}.preview-wrap .board-head{padding:22px 27px 16px}.preview-wrap .board-title{font-size:clamp(20px,2vw,29px)}.preview-wrap .board-body{padding:0 27px 24px}.preview-wrap .q-body{font-size:23px}.preview-wrap .timer-num{font-size:38px}.preview-wrap .rules-text{font-size:clamp(15px,1.35vw,20px)}.preview-wrap .lobby-name{font-size:24px}.private-panel{margin-top:20px;padding:18px 20px;border:1px solid var(--line);border-radius:12px;background:#fff}.private-panel h3{font-size:15px;margin:0 0 10px}.private-items{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.private-item{padding:13px;border:1px solid var(--line);border-radius:9px;font-size:13px;line-height:1.7}.private-item summary{cursor:pointer;font-weight:600;color:var(--green)}.private-item p{white-space:pre-wrap;margin:12px 0 0}.private-item .row{margin-bottom:8px}.answer-positions{display:flex;gap:7px;flex-wrap:wrap}.answer-positions button.active{background:var(--green);border-color:var(--green);color:white}
.board{height:100vh;min-height:450px;display:flex;flex-direction:column;background:var(--paper);position:relative;overflow:hidden}.board-head{padding:34px 48px 25px;display:flex;align-items:center;gap:25px;justify-content:space-between;flex-shrink:0}.board-eyebrow{font-size:11px;letter-spacing:.11em;color:#70807d;margin-bottom:11px}.board-eyebrow .sep{padding:0 10px;color:#aab8ae}.board-title{font-size:clamp(26px,2.3vw,39px);line-height:1.3;margin:0;font-weight:650}.stage-caption{font-size:13px;color:var(--muted);margin-top:9px}.timer-box{display:flex;align-items:center;gap:17px;border:1px solid #bcd6c6;border-radius:14px;background:#e6f1e6;padding:12px 23px;min-width:195px}.timer-box small{font-size:12px;color:#497363;line-height:1.8;display:block}.timer-num{font-size:54px;line-height:1.05;font-variant-numeric:tabular-nums;font-weight:550;letter-spacing:-.07em;color:#08624e}.timer-box.urgent{background:#fff1da;border-color:#f0d1a0}.timer-box.urgent .timer-num{color:#a45719}.board-body{padding:0 48px 32px;flex:1;min-height:0;display:flex;flex-direction:column}.board-footer{height:37px;padding:0 48px;display:flex;justify-content:space-between;align-items:flex-start;font-size:10px;color:#85918a;letter-spacing:.04em;flex-shrink:0}.board-footer .display-tools{display:flex;align-items:center;gap:9px}.board-footer button{font-size:10px;padding:3px 7px;background:transparent}.board-footer .live-label{display:flex;align-items:center;gap:5px}.questions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));gap:18px;flex:1;min-height:0}.questions.count-3{grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:1fr}.question-card{background:#fff;border:1px solid #d8e2d8;border-radius:14px;padding:22px 25px;display:flex;flex-direction:column;min-height:0;overflow:hidden}.q-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:13px;border-bottom:1px solid #e8ece7;margin-bottom:13px;font-size:12px;flex-shrink:0}.seat-tag{display:flex;align-items:center;gap:9px;font-weight:650;font-size:14px}.seat-index{width:29px;height:29px;display:grid;place-items:center;border-radius:8px;background:var(--green2);color:#0a7465;font-size:16px}.q-number{color:var(--muted);font-size:12px}.q-content{flex:1;display:flex;flex-direction:column;min-height:0;gap:10px}.q-body{font-size:clamp(20px,1.8vw,32px);line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere;margin:0;min-height:0;overflow:auto;flex:1}.q-image{max-width:100%;max-height:46%;object-fit:contain;align-self:center;min-height:0}.question-card.image-only .q-image{max-height:100%;flex:1}.question-card.waiting .q-content{display:grid;place-content:center;color:#829088;font-size:16px}.question-card.expired .q-content{visibility:hidden}.question-card.expired::after{content:"准备已结束";color:#829088;font-size:17px;position:absolute;align-self:center;top:55%}.question-card{position:relative}.q-status{font-size:11px;color:var(--green);margin-top:12px;min-height:15px;flex-shrink:0;display:flex;justify-content:space-between;gap:6px}.single-card{flex:1;min-height:0;padding:30px 38px}.single-card .q-header{font-size:15px;margin-bottom:24px;padding-bottom:18px}.single-card .seat-tag{font-size:18px}.single-card .seat-index{width:36px;height:36px;font-size:20px}.single-card .q-body{font-size:clamp(28px,2.65vw,47px);line-height:1.8}.single-card .q-content.has-image{flex-direction:row;gap:24px}.single-card .q-content.has-image .q-image{max-height:100%;max-width:48%;width:48%;height:100%;object-fit:contain}.single-card .q-content.has-image .q-body{flex:1}.single-card.image-only .q-content{justify-content:center}.single-card.image-only .q-content .q-image{max-width:100%;width:100%}.answer-progress{display:flex;gap:7px;align-items:center}.answer-progress span{height:5px;width:30px;background:#d8e2d8;border-radius:5px}.answer-progress span.current{background:var(--green)}.rules-panel{background:#fff;border:1px solid var(--line);border-radius:16px;flex:1;min-height:0;display:flex;gap:36px;padding:38px 42px;overflow:auto}.rules-index{font-size:56px;line-height:1;color:#bed6c2;font-weight:550;letter-spacing:-.08em;flex-shrink:0}.rules-content{flex:1;min-width:0}.rules-content h2{font-size:22px;margin:4px 0 24px}.rules-text{white-space:pre-wrap;font-size:clamp(18px,1.8vw,29px);line-height:1.95;overflow-wrap:anywhere}.rules-bottom{margin-top:25px;font-size:13px;color:var(--green);display:flex;align-items:center;gap:9px}.lobby-panel{flex:1;display:flex;flex-direction:column;justify-content:center;min-height:0;gap:35px}.lobby-greeting{font-size:clamp(20px,2.5vw,39px);font-weight:500;text-align:center}.lobby-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.lobby-grid.count-3{grid-template-columns:repeat(3,minmax(0,1fr))}.lobby-person{background:white;border:1px solid var(--line);border-radius:15px;text-align:center;padding:35px 12px}.lobby-seat{font-size:13px;color:var(--green);margin-bottom:25px}.lobby-name{font-size:clamp(27px,3vw,48px);letter-spacing:.06em;overflow-wrap:anywhere}.lobby-note{text-align:center;color:var(--muted);font-size:14px;line-height:1.8}.offline-panel{display:grid;place-content:center;flex:1;text-align:center;background:white;border-radius:16px;border:1px solid var(--line);padding:30px}.offline-panel h2{font-size:clamp(28px,3vw,45px);font-weight:500}.offline-panel p{font-size:clamp(16px,1.5vw,24px);line-height:1.9;color:var(--muted);white-space:pre-wrap}.demo-ribbon{font-size:10px;color:#986226;background:#fff1d9;padding:4px 8px;border-radius:5px;margin-left:10px}.screen-disconnected{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);background:#8c3939;color:white;padding:10px 20px;border-radius:8px;font-size:13px;z-index:5;white-space:nowrap}
#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%) translateY(25px);background:#223f35;color:white;padding:13px 22px;border-radius:11px;box-shadow:0 5px 25px #0002;max-width:85vw;z-index:200;opacity:0;pointer-events:none;transition:.2s;font-size:14px;line-height:1.6}#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}#toast.bad{background:#853b3b}.modal-shade{position:fixed;inset:0;background:#122c2659;backdrop-filter:blur(3px);z-index:80;display:flex;align-items:center;justify-content:center;padding:30px}.modal{background:#f9fbf7;border:1px solid var(--line);border-radius:18px;width:min(1060px,95vw);max-height:90vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 30px 90px #152b2433}.modal-header{display:flex;justify-content:space-between;align-items:center;background:white;padding:21px 26px;border-bottom:1px solid var(--line)}.modal-header h2{margin:0;font-size:20px}.modal-tabs{display:flex;gap:8px;padding:16px 25px 0;flex-wrap:wrap}.modal-tabs button{font-size:13px}.modal-tabs button.active{color:white;background:var(--green);border-color:var(--green)}.modal-body{padding:24px 26px;overflow:auto}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.admin-card{background:white;border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:15px}.admin-card h3{font-size:16px}.admin-card p{font-size:13px;color:var(--muted);line-height:1.8}.admin-card .field:last-child{margin-bottom:0}.admin-card input[type=file]{font-size:12px;padding:8px}.table-wrap{overflow:auto;max-height:380px}table{border-collapse:collapse;width:100%;font-size:12px}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid #e6ece5;line-height:1.5;vertical-align:top}th{background:#f1f6ef;color:#56705f;position:sticky;top:0;z-index:1;white-space:nowrap}td .pill{font-size:10px;padding:4px 7px}.check-row{display:flex;align-items:center;gap:8px;font-weight:400;margin:10px 0}.check-row input{margin:0}.form-status{font-size:12px;color:var(--green);margin:10px 0;white-space:pre-wrap}.spaced{margin-top:20px}
@media(min-width:1900px){.single-card .q-body{font-size:50px}.board-head{padding-top:45px}.board-footer{font-size:12px}}
@media(max-width:1100px){.workspace{grid-template-columns:195px 1fr}.sidebar{padding:20px 11px}.main{padding:20px 17px}.topbar{padding:0 17px}.topbar .brand small{display:none}.preview-wrap .question-card{padding:15px}.preview-wrap .questions{gap:11px}.preview-wrap .board-head{padding:18px}.preview-wrap .board-body{padding:0 18px 20px}.preview-wrap .rules-panel{padding:24px}.preview-wrap .rules-index{display:none}.private-items{grid-template-columns:1fr}.board-footer{padding:0 25px}.preview-wrap .board-footer{font-size:9px}.preview-wrap .timer-box{min-width:140px;padding:9px 13px;gap:10px}.preview-wrap .timer-num{font-size:33px}}
@media(max-width:760px){.login-wrap{grid-template-columns:1fr;padding:30px 20px;gap:20px}.login-copy h1{font-size:33px;margin:25px 0 15px}.login-copy .steps,.login-copy p{display:none}.login-card{justify-self:center;padding:27px;max-width:100%}.workspace{display:block}.sidebar{border-right:0;border-bottom:1px solid var(--line);padding:14px}.side-label,.side-bottom,.group-pick{display:none}.stage-list{flex-direction:row;overflow:auto;gap:3px}.stage-item{min-width:125px;font-size:11px;padding:8px}.stage-num{height:23px;width:23px}.topbar{height:auto;min-height:68px;flex-wrap:wrap;padding:13px 16px}.topbar .brand strong{font-size:16px}.topbar .pill{display:none}.main{padding:16px 12px}.control-strip{padding:11px}.control-strip button{font-size:12px;padding:9px 10px}.preview-wrap .board{min-height:430px;height:54vh}.board-head{padding:25px 22px 18px;gap:15px}.board-body{padding:0 20px 24px}.board-title{font-size:22px}.timer-box{min-width:120px;padding:10px;gap:10px}.timer-num{font-size:35px}.timer-box small{font-size:10px}.question-card{padding:14px}.questions{gap:10px}.questions.count-3{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr}.questions.count-3 .question-card:last-child{grid-column:1/3}.q-header{font-size:10px}.q-number{font-size:10px}.seat-tag{font-size:12px;gap:6px}.q-body{font-size:21px}.q-status{font-size:10px}.single-card{padding:20px}.single-card .q-body{font-size:29px}.rules-panel{padding:25px 23px;gap:20px}.rules-index{font-size:35px}.rules-text{font-size:18px}.rules-content h2{font-size:19px}.lobby-grid{gap:9px}.lobby-person{padding:25px 6px}.lobby-seat{font-size:11px}.lobby-name{font-size:21px}.lobby-greeting{font-size:24px}.admin-grid{grid-template-columns:1fr}.modal-shade{padding:10px}.modal{width:100%;max-height:94vh}.modal-body{padding:17px}.modal-header{padding:16px}.modal-tabs{padding:12px 15px 0}.preview-wrap .lobby-name{font-size:19px}.preview-wrap .board-title{font-size:20px}}