@charset "UTF-8";
:root{--bg:#f5f7f8;--paper:#fff;--ink:#243b3c;--muted:#768887;--line:#e5ebe8;--green:#187768;--green-dark:#105b50;--lime:#d5f19a;--mint:#e6f3ed;--peach:#fff0e3;--purple:#edeafb;--blue:#e7effc;--radius:20px;--shadow:0 10px 32px #203c3510;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:var(--ink);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);font-size:14px;line-height:1.65}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:inherit;text-decoration:none}button{border:0}button:focus-visible,a:focus-visible{outline:3px solid #85bded;outline-offset:3px}input,select,textarea{border:1px solid #dbe4df;background:white;border-radius:10px;padding:11px 13px;width:100%;color:var(--ink);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px #18776814}input[type=checkbox]{width:19px;height:19px;accent-color:var(--green)}label{display:block;font-size:13px;font-weight:600;margin-bottom:7px}textarea{resize:vertical;min-height:90px}h1,h2,h3,h4,p{margin:0}h1{font-size:29px;letter-spacing:-1px;line-height:1.4}h2{font-size:20px}h3{font-size:17px}h4{font-size:15px}small,.muted{color:var(--muted)}.icon{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:800;letter-spacing:1px}.brand-mark{display:grid;place-items:center;width:39px;height:39px;background:var(--green);border-radius:12px;color:var(--lime);font-size:34px;line-height:1}.brand small{display:block;font-size:9px;font-weight:500;letter-spacing:2.4px;color:#7b9590;line-height:1.3}.shell{min-height:100vh;display:grid;grid-template-columns:230px minmax(0,1fr)}.sidebar{background:#fff;border-right:1px solid var(--line);padding:31px 20px 24px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;z-index:10}.sidebar .brand{padding:0 12px 40px}.nav-label{font-size:10px;letter-spacing:2px;color:#98a5a1;padding:13px 15px}.nav{display:flex;flex-direction:column;gap:7px}.nav a{display:flex;align-items:center;gap:13px;padding:13px 16px;border-radius:11px;color:#748580;transition:.15s}.nav a:hover{background:#f4f8f5}.nav a.active{background:#e8f2ec;color:var(--green);font-weight:700}.nav a.active:after{content:"";margin-left:auto;width:6px;height:6px;background:var(--green);border-radius:50%}.sidebar-bottom{margin-top:auto}.sidebar-tip{background:#f5f8ef;border:1px solid #e8eedc;border-radius:14px;padding:17px 15px;margin-bottom:19px}.sidebar-tip h4{font-size:13px;margin:5px 0}.sidebar-tip p{font-size:11px;color:#82927b}.user{display:flex;align-items:center;gap:11px;padding:12px 7px 0;border-top:1px solid var(--line)}.avatar{height:36px;width:36px;display:grid;place-items:center;background:var(--peach);color:#a46d47;border-radius:12px;font-weight:700}.user small{display:block;font-size:10px}.user .icon-btn{margin-left:auto}.main{padding:0 38px 36px;min-width:0;max-width:1600px;width:100%;margin:auto}.topbar{height:83px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);margin-bottom:29px}.crumb{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:9px}.top-actions{display:flex;align-items:center;gap:14px;font-size:12px}.tag{display:inline-flex;align-items:center;gap:6px;border-radius:6px;padding:3px 9px;background:#edf3ee;color:#6c8875;font-size:10px;font-weight:500}.tag.purple{color:#8977b9;background:var(--purple)}.tag.orange{color:#bc8148;background:var(--peach)}.tag.green{color:var(--green);background:var(--mint)}.tag.blue{color:#6185b3;background:var(--blue)}.btn{display:inline-flex;gap:8px;align-items:center;justify-content:center;border-radius:10px;padding:11px 17px;font-weight:600;font-size:13px;transition:background .15s,transform .15s;white-space:nowrap;min-height:42px}.btn:hover{transform:translateY(-1px)}.btn.primary{color:#fff;background:var(--green)}.btn.primary:hover{background:var(--green-dark)}.btn.secondary{color:var(--ink);background:#fff;border:1px solid var(--line)}.btn.ghost{background:transparent;color:var(--muted)}.btn.lime{background:var(--lime);color:#294c35}.btn.danger{background:#fff0ee;color:#c15b50}.btn.small{padding:7px 11px;min-height:34px;font-size:12px}.btn.big{font-size:16px;padding:15px 24px}.icon-btn{background:transparent;display:inline-grid;place-items:center;padding:8px;border-radius:8px;color:var(--muted);min-width:36px;min-height:36px}.icon-btn:hover{background:#edf3ee}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:25px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2.5px;text-transform:uppercase;color:#8b9e98;margin-bottom:9px}.page-heading p{font-size:13px;color:var(--muted);margin-top:7px}.hero{display:grid;grid-template-columns:1.3fr 1fr;position:relative;overflow:hidden;background:#e8f1e8;border:1px solid #dce9db;border-radius:22px;min-height:226px;margin-bottom:25px}.hero-copy{padding:29px 34px;z-index:1}.hero .eyebrow{color:#63856e;font-size:9px}.hero h2{font-size:26px;letter-spacing:.5px;line-height:1.5;margin:5px 0 9px}.hero p{font-size:12px;color:#7d9380;max-width:350px}.hero .btn{margin-top:21px}.hero-art{position:relative;min-height:226px}.orbit{position:absolute;border:1px solid #b8d0b980;border-radius:50%;width:290px;height:290px;left:calc(50% - 145px);top:-29px}.orbit.two{width:220px;height:220px;left:calc(50% - 110px);top:6px}.art-card{position:absolute;width:126px;height:146px;background:#fffcf1;border:1px solid #fff;border-radius:14px;box-shadow:5px 12px 0 #254c3d0b;left:calc(50% - 99px);top:37px;transform:rotate(-12deg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}.art-card.front{background:#1e796a;color:#e0f2be;left:calc(50% - 17px);top:62px;transform:rotate(12deg);width:115px;height:133px}.art-card .han{font-family:serif;font-size:53px;line-height:1.2}.art-card small{font-size:10px;letter-spacing:4px;color:inherit}.spark{position:absolute;color:#55937c;font-size:25px;left:20%;top:24px}.spark.s2{left:78%;top:155px;font-size:32px;color:#94b965}.spark.s3{left:78%;top:26px;font-size:15px}.art-pill{position:absolute;left:4%;top:150px;background:#ffffffc9;border:1px solid #fff;border-radius:22px;padding:6px 10px;font-size:10px;color:#547563;transform:rotate(-5deg)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:30px}.stat{background:#fff;border:1px solid var(--line);border-radius:15px;padding:19px 20px;display:flex;align-items:center;gap:15px}.stat-icon{width:43px;height:43px;display:grid;place-items:center;border-radius:13px;background:var(--mint);color:#5a9b80}.stat:nth-child(2) .stat-icon{background:var(--peach);color:#bd9366}.stat:nth-child(3) .stat-icon{background:var(--purple);color:#9983b9}.stat:nth-child(4) .stat-icon{background:var(--blue);color:#7698c4}.stat small{font-size:11px}.stat strong{display:block;font-size:24px;font-weight:700;line-height:1.25}.stat strong span{font-size:10px;font-weight:400;margin-left:5px;color:var(--muted)}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:10px}.section-head h2{font-size:17px}.section-head p{font-size:11px;margin-top:3px;color:var(--muted)}.text-link{background:none;color:var(--green);font-size:12px;display:flex;align-items:center;gap:5px}.mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px}.mode-card{padding:22px;border:1px solid var(--line);background:#fff;border-radius:17px;text-align:left;position:relative;overflow:hidden;transition:.18s}.mode-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bad3c2}.mode-symbol{font-size:26px;display:grid;place-items:center;background:var(--peach);color:#b27a4a;border-radius:13px;width:51px;height:51px;margin-bottom:18px}.mode-card:nth-child(2) .mode-symbol{background:var(--purple);color:#927eb8}.mode-card:nth-child(3) .mode-symbol{background:var(--blue);color:#728fb7}.mode-card h3{font-size:16px;margin-bottom:5px}.mode-card p{font-size:11px;color:var(--muted);line-height:1.8}.mode-card .tag{position:absolute;right:18px;top:22px}.mode-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px dashed var(--line);margin-top:18px;padding-top:13px;font-size:10px;color:#92a09a}.bottom-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:22px}.panel{background:white;border:1px solid var(--line);border-radius:18px;padding:22px}.bank-mini{display:flex;align-items:center;gap:13px;padding:13px 0;border-bottom:1px solid #f0f3f0}.bank-mini:last-child{border:0;padding-bottom:0}.book-icon{width:42px;height:48px;background:var(--mint);color:#63927a;border-radius:5px 10px 10px 5px;display:grid;place-items:center;border-left:4px solid #b0d4bc;flex-shrink:0}.book-icon.peach{background:var(--peach);color:#b7916b;border-color:#e9cbab}.book-icon.lavender{background:var(--purple);color:#9a86b8;border-color:#cebee9}.bank-mini h4{font-size:12px}.bank-mini p{font-size:10px;color:var(--muted);margin-top:3px}.bank-mini .icon-btn{margin-left:auto}.empty{text-align:center;padding:27px 15px;color:var(--muted);font-size:12px}.empty .empty-icon{background:#f1f5f0;color:#a4b9a5;width:52px;height:52px;border-radius:50%;margin:0 auto 10px;display:grid;place-items:center}.empty h3{font-size:14px;color:#697f72;margin-bottom:5px}.empty .btn{margin-top:13px}.recent-item{border-bottom:1px solid var(--line);padding:12px 0;display:flex;justify-content:space-between;gap:10px}.recent-item:last-child{border:0}.recent-item h4{font-size:12px}.recent-item small{font-size:10px}.recent-item .tag{align-self:center}.footer-note{font-size:10px;color:#a1b0aa;text-align:center;margin-top:26px;letter-spacing:1px}.toolbar{display:flex;gap:12px;align-items:center;margin-bottom:23px}.toolbar input{max-width:360px}.toolbar select{max-width:150px}.bank-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.bank-card{background:white;border:1px solid var(--line);border-radius:18px;overflow:hidden}.bank-cover{height:127px;background:var(--mint);display:flex;align-items:center;justify-content:space-between;padding:25px;position:relative;overflow:hidden}.bank-cover.peach{background:var(--peach)}.bank-cover.lavender{background:var(--purple)}.bank-cover.blue{background:var(--blue)}.bank-cover .cover-character{font-family:serif;font-size:65px;color:#72998588;line-height:1}.bank-cover .cover-lines{font-size:11px;letter-spacing:3px;color:#6b907e}.bank-cover:after{content:"✦";position:absolute;font-size:100px;right:-10px;bottom:-37px;opacity:.07}.bank-info{padding:21px}.bank-info p{color:var(--muted);font-size:12px;min-height:42px;margin:9px 0 16px}.bank-meta{display:flex;gap:8px;align-items:center;margin-bottom:17px;font-size:11px;color:var(--muted)}.bank-actions{display:flex;gap:8px;border-top:1px solid var(--line);padding-top:15px}.question-list{display:flex;flex-direction:column;gap:13px}.question-row{padding:21px;background:white;border:1px solid var(--line);border-radius:14px;display:flex;align-items:flex-start;gap:16px}.q-num{font-size:12px;font-weight:600;background:#f1f5f1;border-radius:8px;min-width:30px;height:30px;display:grid;place-items:center;color:#8d9b90}.question-content{flex:1;min-width:0}.question-content h3{font-size:14px;white-space:pre-wrap}.question-tags{display:flex;gap:8px;margin:8px 0}.question-content p{font-size:11px;color:var(--muted)}.row-actions{display:flex;gap:2px}.table-wrap{overflow:auto;background:white;border:1px solid var(--line);border-radius:16px}table{width:100%;border-collapse:collapse;font-size:12px;white-space:nowrap}th{text-align:left;background:#f8faf8;color:#8b9c92;font-weight:500;font-size:11px}th,td{padding:17px 20px;border-bottom:1px solid var(--line)}tr:last-child td{border-bottom:0}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{margin-bottom:17px}.field.full{grid-column:1/-1}.field small{display:block;font-size:11px;margin-top:6px}.check-label{display:flex;gap:9px;align-items:center;font-weight:400}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.notice{padding:13px 16px;border:1px solid #e1eacb;border-radius:11px;background:#f7faed;color:#829168;font-size:12px;margin:15px 0}.notice strong{color:#526a39}.error{color:#c75f50;font-size:12px;margin-top:12px}.success{color:var(--green)}dialog{border:1px solid var(--line);padding:0;border-radius:22px;width:min(640px,calc(100% - 32px));max-height:90vh;color:var(--ink);box-shadow:0 30px 100px #203c3533}dialog::backdrop{background:#142a2a50;backdrop-filter:blur(4px)}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:23px 26px 17px;border-bottom:1px solid var(--line)}.modal-head h2{font-size:19px}.modal-body{padding:23px 26px}.modal-body .form-actions{position:sticky;bottom:-23px;background:white;border-top:1px solid var(--line);padding:16px 0;margin-bottom:-10px}.mode-options{display:flex;gap:7px;margin-bottom:20px;flex-wrap:wrap}.mode-option{padding:9px 15px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--muted)}.mode-option.active{border-color:var(--green);color:var(--green);background:var(--mint)}#toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,15px);background:#243e37;color:white;box-shadow:var(--shadow);padding:12px 22px;border-radius:12px;opacity:0;pointer-events:none;transition:.2s;z-index:1000;max-width:90vw}#toast.show{opacity:1;transform:translate(-50%,0)}.loading{min-height:70vh;display:grid;place-items:center;color:var(--green)}
/* 学生个人入口 */
.public-header{display:flex;align-items:center;justify-content:space-between;max-width:1210px;margin:auto;padding:26px 30px}.public-header .header-right{display:flex;gap:10px;align-items:center}.personal-main{max-width:1150px;padding:30px 30px 50px;margin:auto}.personal-intro{text-align:center;max-width:710px;margin:10px auto 36px}.personal-intro h1{font-size:40px;line-height:1.5;letter-spacing:2px}.personal-intro h1 em{font-style:normal;color:var(--green);position:relative}.personal-intro p{margin-top:14px;color:var(--muted);line-height:1.9}.personal-intro .tag{margin-bottom:19px;letter-spacing:2px}.solo-modes{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:30px 0 37px}.solo-mode{padding:25px 28px;border-radius:20px;background:#e7f1e5;border:2px solid transparent;text-align:left;display:flex;align-items:center;gap:20px}.solo-mode.quest{background:#efeafb}.solo-mode.active{border-color:#639b74}.solo-mode.quest.active{border-color:#ac91d2}.solo-mode .mode-symbol{margin:0;background:#fff9;color:#679677;width:65px;height:65px;font-size:35px}.solo-mode.quest .mode-symbol{color:#9c83bd}.solo-mode p{font-size:12px;color:#82927c;margin-top:7px}.solo-mode .check-ring{margin-left:auto;border:1px solid #a7b9a1;border-radius:50%;width:22px;height:22px;text-align:center;font-size:13px;flex-shrink:0}.solo-mode.active .check-ring{background:var(--green);color:white;border-color:var(--green)}.login-layout{max-width:960px;margin:40px auto;display:grid;grid-template-columns:1fr 1fr;border-radius:24px;overflow:hidden;border:1px solid var(--line);background:#fff;min-height:510px}.login-story{background:#e7f0e4;padding:44px;display:flex;flex-direction:column;justify-content:center}.login-story h1{font-size:33px;margin:15px 0}.login-story p{font-size:13px;color:#7b927b}.login-story .hero-art{margin-top:20px}.login-form{padding:42px}.login-form h2{margin-bottom:5px}.login-form>p{font-size:12px;color:var(--muted);margin-bottom:25px}.login-form .btn{width:100%}.login-form .field{margin-bottom:20px}.personal-history{margin-top:25px}.personal-history button{margin-right:8px;margin-top:8px}
/* 智能白板与个人答题 */
.play-page{min-height:100vh;background:#eff4ed;padding:20px 30px 35px}.play-top{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:1500px;margin:0 auto 24px}.play-top h2{font-size:17px}.play-top small{font-size:11px}.play-tools{display:flex;gap:8px;align-items:center}.play-body{max-width:1400px;margin:auto}.play-status{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px;gap:15px}.progress-track{height:6px;border-radius:6px;background:#dce5d7;flex:1;max-width:400px;overflow:hidden}.progress-fill{height:100%;background:#589a70;border-radius:6px;transition:width .2s}.timer{display:flex;align-items:center;gap:7px;font-size:18px;font-variant-numeric:tabular-nums;font-weight:700;color:var(--green)}.timer.urgent{color:#c0674b}.question-stage{padding:29px 35px;background:white;border:1px solid #dfe8dc;border-radius:22px;margin-bottom:20px;text-align:center}.question-stage h1{font-size:clamp(22px,2.2vw,37px);letter-spacing:0;white-space:pre-wrap;margin:14px auto 7px;max-width:1080px}.question-stage p{font-size:12px;color:var(--muted)}.player-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.player-grid.many{grid-template-columns:repeat(3,minmax(0,1fr))}.player-panel{padding:22px;border:2px solid #c8ddcb;border-radius:20px;background:#ffffffce;min-width:0}.player-panel:nth-child(2n){border-color:#dbd1e8}.player-panel:nth-child(3n){border-color:#e9d3b5}.player-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.player-name{font-size:20px;font-weight:700;display:flex;align-items:center;gap:10px}.player-dot{width:12px;height:12px;background:#7ba887;border-radius:50%}.player-panel:nth-child(2n) .player-dot{background:#a992c5}.player-panel:nth-child(3n) .player-dot{background:#c7a476}.player-score{font-size:23px;font-weight:700;color:#6c8871}.player-score small{font-size:11px;font-weight:400}.answers{display:grid;grid-template-columns:1fr 1fr;gap:10px}.answer-option{border:1.5px solid #dce5d9;background:#fff;border-radius:12px;padding:17px 15px;min-height:65px;text-align:left;font-size:17px;display:flex;align-items:center;gap:11px;color:var(--ink);line-height:1.5;touch-action:manipulation}.answer-option:hover:not(:disabled){background:#f3f8ec;border-color:#b0ce9d}.answer-option.selected{background:#e4f1d9;border-color:#7ca66b}.answer-option .letter{background:#f1f5ee;border-radius:7px;min-width:26px;height:28px;display:grid;place-items:center;font-size:13px;color:#8b9f83}.answer-option.selected .letter{background:#80a775;color:white}.answer-option.correct-option{background:#e3f2e5;border-color:#77a482}.answer-option.wrong-option{background:#ffefea;border-color:#dfaa97}.answer-area .btn{margin-top:14px;min-height:49px}.answer-area input{font-size:20px;padding:17px}.order-chosen{display:flex;gap:8px;flex-wrap:wrap;background:#f2f6ee;border:1px dashed #c5d5bb;border-radius:10px;min-height:54px;padding:10px;margin-bottom:12px}.order-chosen button{background:white;border:1px solid #d3e1cb;border-radius:7px;padding:7px 10px;color:var(--green);font-size:14px}.order-chosen span{color:#91a28c;font-size:12px;align-self:center}.waiting-answer{min-height:160px;display:grid;place-content:center;text-align:center;color:#7b9675}.waiting-answer strong{font-size:27px;color:#4a8058}.waiting-answer .answer-icon{font-size:35px;margin-bottom:6px}.answer-feedback{margin-top:14px;border-radius:11px;padding:15px;background:#e7f3e5;color:#5a8856;font-size:14px}.answer-feedback.wrong{background:#fff0e8;color:#b37b5c}.solution-panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 25px;margin:20px 0;display:flex;align-items:center;justify-content:space-between;gap:20px}.solution-panel h3{font-size:16px;color:var(--green)}.solution-panel p{font-size:14px;color:var(--muted);margin-top:5px}.board-lobby{max-width:900px;margin:45px auto;text-align:center}.board-lobby h1{font-size:37px;margin:18px 0}.board-lobby>p{color:var(--muted)}.lobby-players{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;margin:40px 0}.lobby-player{border-radius:18px;border:1px solid #d4e1ce;background:white;padding:22px 32px;min-width:150px}.lobby-player b{font-size:33px;display:block;color:#88ad79}.lobby-player span{font-size:21px}.lobby-rules{padding:22px;color:#819077;font-size:13px}.solo-play .play-body{max-width:860px}.solo-play .question-stage{padding:35px}.solo-play .player-panel{padding:27px;background:white}.solo-play .answer-option{font-size:20px;padding:20px}.hearts{letter-spacing:5px;color:#ca947d;font-size:22px}.finish{max-width:950px;margin:auto}.finish-head{text-align:center;padding:25px 0}.finish-head .trophy{font-size:61px;line-height:1.4;color:#c2a057}.finish-head h1{font-size:33px}.finish-head p{color:var(--muted);margin-top:9px}.leaderboard{background:white;border:1px solid var(--line);border-radius:20px;padding:12px 27px;margin:20px auto}.leader-row{display:flex;align-items:center;gap:18px;padding:19px 8px;border-bottom:1px solid var(--line)}.leader-row:last-child{border:0}.rank{width:33px;height:33px;border-radius:11px;background:var(--mint);color:var(--green);display:grid;place-items:center;font-weight:700}.leader-row:first-child .rank{background:#fff0c7;color:#b39140}.leader-row .leader-score{margin-left:auto;font-size:24px;font-weight:700}.leader-row h3{font-size:17px}.leader-row small{font-size:11px}.result-actions{display:flex;justify-content:center;gap:12px;margin:26px 0}.review-item{background:white;padding:20px;border-radius:13px;border:1px solid var(--line);margin-bottom:12px}.review-item h4{margin-bottom:8px}.review-item p{font-size:12px;margin-top:5px;color:var(--muted)}.review-answer{color:var(--green)!important}.review-item details{font-size:12px;margin-top:12px}.review-item summary{cursor:pointer;color:var(--muted)}.review-toggle{margin-bottom:17px}.board-notice{color:#8a9c80;text-align:center;font-size:11px;margin-top:20px}
@media(min-width:1700px){.play-page{padding:30px 50px}.answer-option{min-height:85px;font-size:23px}.player-grid.many .answer-option{font-size:19px}.question-stage{padding:38px}.player-grid{gap:28px}.player-panel{padding:28px}.play-body{max-width:1750px}}
@media(max-width:1150px){.shell{grid-template-columns:190px minmax(0,1fr)}.sidebar{padding:25px 12px}.sidebar .brand{font-size:18px;padding-left:8px}.main{padding:0 24px 30px}.stat{padding:15px 13px;gap:10px}.stat-icon{width:35px;height:35px}.mode-card{padding:18px}.bank-grid{gap:15px}.hero-copy{padding:27px}.player-grid.many{grid-template-columns:repeat(2,minmax(0,1fr))}.top-actions .date{display:none}}
@media(max-width:850px){.shell{grid-template-columns:74px minmax(0,1fr)}.sidebar{padding:25px 10px}.sidebar .brand{padding:0 7px 29px}.sidebar .brand>span:not(.brand-mark),.sidebar .brand small,.nav-label,.nav a span,.nav a.active:after,.sidebar-tip,.user>div:not(.avatar),.user>.icon-btn{display:none}.nav a{justify-content:center;padding:14px}.user{justify-content:center;padding-top:15px}.main{padding:0 20px 25px}.stats{gap:10px}.stat{padding:14px;display:block}.stat-icon{display:none}.stat strong{font-size:22px;margin-top:5px}.bottom-grid{grid-template-columns:1fr}.bank-grid{grid-template-columns:repeat(2,1fr)}.hero{grid-template-columns:1.3fr 1fr}.hero-art{transform:scale(.85)}.hero h2{font-size:23px}.mode-card .tag{display:none}.mode-grid{gap:12px}.mode-card{padding:16px}.mode-card p{min-height:40px}.settings-grid{grid-template-columns:1fr}.page-heading h1{font-size:25px}.login-layout{margin:20px}.login-story{padding:28px}.login-form{padding:30px}.play-page{padding:15px}.question-stage{padding:23px}.answer-option{font-size:15px;padding:13px 10px}.player-panel{padding:17px}.answers{grid-template-columns:1fr}.solo-play .answers{grid-template-columns:1fr 1fr}.player-name{font-size:17px}}
@media(max-width:580px){.shell{display:block}.sidebar{position:relative;height:auto;padding:14px 17px;flex-direction:row;align-items:center;border-right:0;border-bottom:1px solid var(--line)}.sidebar .brand{padding:0}.sidebar .brand-mark{width:32px;height:32px;font-size:29px}.sidebar .nav{flex-direction:row;margin-left:auto;gap:4px}.nav a{padding:9px}.sidebar-bottom{display:none}.main{padding:0 17px 25px}.topbar{height:60px;margin-bottom:21px}.top-actions .tag{display:none}.page-heading{align-items:flex-start}.page-heading h1{font-size:22px}.page-heading p{font-size:11px}.page-heading .btn{font-size:11px;padding:9px 12px;min-height:37px}.hero{display:block;min-height:215px}.hero-copy{padding:23px;max-width:83%}.hero h2{font-size:23px}.hero-art{position:absolute;right:-65px;top:10px;width:200px;transform:scale(.55);opacity:.6}.hero-copy p{max-width:200px}.hero .btn{margin-top:18px}.stats{grid-template-columns:repeat(2,1fr);gap:10px}.stat{display:flex}.stat-icon{display:grid}.mode-grid{grid-template-columns:1fr;gap:11px}.mode-card{padding:18px;display:grid;grid-template-columns:45px 1fr;column-gap:17px}.mode-symbol{width:45px;height:45px;grid-row:1/4;margin:0}.mode-card h3{font-size:15px}.mode-card p{min-height:0;font-size:11px}.mode-bottom{margin-top:10px;padding-top:9px;grid-column:2}.bank-grid{grid-template-columns:1fr}.bank-cover{height:105px}.toolbar{flex-wrap:wrap}.toolbar input{max-width:none}.toolbar select{max-width:100%}.bottom-grid .panel{padding:18px}.question-row{padding:16px;gap:9px}.row-actions{flex-direction:column}.question-tags{flex-wrap:wrap}.form-grid{grid-template-columns:1fr;gap:0}.modal-head{padding:18px}.modal-body{padding:18px}.public-header{padding:20px}.public-header .brand{font-size:18px}.public-header .header-right .tag{display:none}.personal-main{padding:18px 20px 35px}.personal-intro{margin:13px auto 25px}.personal-intro h1{font-size:29px;letter-spacing:1px}.personal-intro p{font-size:13px}.solo-modes{gap:12px;margin:25px 0;grid-template-columns:1fr}.solo-mode{padding:19px;gap:16px}.solo-mode .mode-symbol{width:49px;height:49px;font-size:27px}.solo-mode h3{font-size:16px}.solo-mode p{font-size:11px}.login-layout{display:block;margin:18px}.login-story{display:none}.login-form{padding:29px 25px}.play-top{margin-bottom:17px}.play-top h2{font-size:13px}.play-top .btn{padding:9px;font-size:11px;min-height:36px}.play-top .btn .icon{width:15px}.play-tools{gap:4px}.play-top .brand{display:none}.player-grid,.player-grid.many{grid-template-columns:1fr}.question-stage{padding:20px 15px}.question-stage h1{font-size:24px}.player-panel{padding:18px}.answers,.solo-play .answers{grid-template-columns:1fr}.solo-play .answer-option{font-size:17px;padding:17px}.solution-panel{flex-direction:column;align-items:stretch}.lobby-players{margin:25px 0;gap:12px}.lobby-player{min-width:125px;padding:17px}.board-lobby h1{font-size:27px}.question-content h3{font-size:13px}.result-actions{flex-wrap:wrap}.personal-intro .tag{font-size:9px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
/* 三年级阅读与智能白板：更清楚的字，更鲜明的分区。 */
:root{--muted:#667c75;--mint:#e1f4d8;--peach:#ffecd0;--purple:#ece2ff;--blue:#dfefff}
.personal-main{max-width:1260px}.personal-main .bank-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.personal-intro .tag{font-size:13px;padding:7px 15px;border-radius:20px;background:#e5f4bc;color:#476d23}.personal-intro h1{font-size:48px;letter-spacing:1px}.personal-intro h1 em{color:#188878}.personal-intro p{font-size:17px;color:#5d7770}.personal-main .section-head h2{font-size:24px}.personal-main .section-head p{font-size:14px}.personal-main .bank-info h3{font-size:19px}.personal-main .bank-info p{font-size:14px;min-height:70px;color:#58736b}.personal-main .bank-meta{font-size:13px}.personal-main .bank-actions .btn{font-size:17px;width:100%;min-height:51px}.personal-main .bank-cover{height:105px}.personal-main .bank-cover .cover-character{font-size:65px;font-weight:600;color:#527b73}.personal-main .bank-cover.peach .cover-character{color:#a66c2b}.personal-main .bank-cover.lavender .cover-character{color:#8b67bb}.personal-main .bank-cover.blue .cover-character{color:#4c81a9}.personal-main .bank-cover .cover-lines{font-size:12px;color:#425f59}.personal-main .bank-card{transition:transform .18s,box-shadow .18s;border-radius:23px;border-width:2px}.personal-main .bank-card:hover{transform:translateY(-4px);box-shadow:0 10px 0 #dde6db}.solo-mode{border-radius:23px;box-shadow:0 4px 0 #d2e2c9}.solo-mode.quest{box-shadow:0 4px 0 #ded2f0}.solo-mode h3{font-size:24px}.solo-mode p{font-size:15px;color:#5e7861}.solo-mode.quest p{color:#82719a}.solo-mode.active{background:#e4f4cf}.solo-mode.quest.active{background:#e9dcff}.solo-mode .mode-symbol{background:white;color:#4d9360;border-radius:20px}.solo-mode .check-ring{width:29px;height:29px;font-size:18px}.play-page{background:#f3f7ec}.play-top h2{font-size:20px}.play-top small{font-size:13px}.play-status .tag{font-size:16px;padding:6px 12px}.timer{font-size:27px}.question-stage{border-width:2px;box-shadow:0 5px 0 #dce7d4}.question-stage h1{font-size:clamp(28px,2.65vw,46px);font-weight:700;line-height:1.65;max-width:1280px}.question-stage .tag{font-size:16px}.question-stage p{font-size:17px;color:#5f766c}.player-panel{border-width:3px;border-color:#a4d49a;background:#f4fbeb}.player-panel:nth-child(2n){background:#f8f1ff;border-color:#cdb2eb}.player-panel:nth-child(3n){background:#fff7e6;border-color:#e8ca7c}.player-panel:nth-child(4n){background:#ebf7ff;border-color:#a4cfe9}.player-name{font-size:25px}.answer-option{font-size:24px;padding:18px;min-height:82px;border-width:2px;border-radius:15px;box-shadow:0 3px 0 #dce5d6}.answer-option .letter{min-width:33px;height:36px;font-size:17px;font-weight:700}.answer-option.selected{background:#def2cb;border-color:#559553;box-shadow:0 3px 0 #74a46a}.player-panel:nth-child(2n) .answer-option.selected{background:#e6d7fa;border-color:#aa8acb;box-shadow:0 3px 0 #b496d2}.answer-area .btn{font-size:20px;min-height:56px;padding:13px 23px}.answer-area input{font-size:26px;min-height:68px}.player-score{font-size:30px;color:#466c4e}.player-score small{font-size:14px}.order-chosen{min-height:67px}.order-chosen span{font-size:16px}.order-chosen button{font-size:20px;padding:10px 13px}.player-grid.many .answer-option{font-size:19px;padding:14px;min-height:72px}.player-grid.many .player-name{font-size:22px}.waiting-answer{min-height:200px;font-size:18px}.waiting-answer strong{font-size:34px}.solution-panel h3{font-size:24px;line-height:1.6}.solution-panel p{font-size:20px}.solo-play .play-body{max-width:1000px}.solo-play .answer-option{font-size:25px;min-height:86px}.solo-play .question-stage h1{font-size:32px}.solo-play .player-panel{background:white}.answer-feedback{font-size:20px;line-height:1.9;padding:23px;border:2px solid #b8dda7;border-radius:17px;background:#eef9e2;color:#3a6b42}.answer-feedback h3{font-size:26px}.answer-feedback.wrong{border-color:#ebc89d;color:#94622f;background:#fff4e3}.quest-path{display:flex;justify-content:center;gap:0;margin:20px 0 25px;overflow-x:auto}.quest-stop{display:flex;align-items:center;flex-direction:column;min-width:105px;position:relative;padding:0 15px}.quest-stop:after{content:'';position:absolute;width:calc(100% - 48px);border-top:4px dotted #cad8ba;top:23px;left:calc(50% + 24px)}.quest-stop:last-child:after{display:none}.quest-stop>span{border:3px solid #d9e3ce;background:#fff;border-radius:17px;width:48px;height:48px;display:grid;place-items:center;font-size:23px;color:#879779;font-weight:700;z-index:1}.quest-stop small{font-size:13px;margin-top:7px;white-space:nowrap;color:#718462}.quest-stop.current>span{border-color:#9fbc5f;background:#e0f2b5;color:#54752c;box-shadow:0 4px 0 #c3d991;transform:translateY(-3px)}.quest-stop.done>span{background:#ffdf77;border-color:#f0c45a;color:#a37819}.celebration{position:fixed;inset:0;pointer-events:none;z-index:900;overflow:hidden}.celebration span{position:absolute;top:25%;color:var(--color);font-size:26px;animation:star-fall 1.35s ease-out both;animation-delay:var(--delay)}@keyframes star-fall{from{transform:translateY(0) rotate(0);opacity:0}20%{opacity:1}to{transform:translateY(46vh) rotate(180deg);opacity:0}}.leader-row h3{font-size:22px}.leader-row small{font-size:15px}.review-item h4{font-size:20px}.review-item p,.review-item details{font-size:16px}.board-notice{font-size:13px}
@media(min-width:1700px){.question-stage h1{font-size:46px}.answer-option{font-size:30px;min-height:100px}.player-grid.many .answer-option{font-size:24px}.player-head{margin-bottom:20px}.player-name{font-size:28px}.solo-play .question-stage h1{font-size:38px}}
@media(max-width:1150px){.personal-main .bank-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.answer-option{font-size:22px}.question-stage h1{font-size:31px}.player-name{font-size:23px}}
@media(max-width:850px){.personal-main .bank-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.personal-intro h1{font-size:39px}.solo-mode h3{font-size:21px}.solo-mode p{font-size:13px}.answer-option{font-size:21px}.player-grid.many .answer-option{font-size:20px}.play-top .btn{font-size:12px;padding:9px}.question-stage h1{font-size:29px}}
@media(max-width:580px){.personal-main .bank-grid{grid-template-columns:1fr}.personal-intro h1{font-size:35px}.personal-intro p{font-size:16px}.personal-intro .tag{font-size:11px}.personal-main .bank-info p{min-height:0;font-size:15px}.personal-main .bank-cover{height:93px}.personal-main .bank-info h3{font-size:22px}.solo-mode h3{font-size:23px}.solo-mode p{font-size:14px}.personal-main .section-head{align-items:flex-start}.personal-main .section-head>.tag{display:none}.question-stage h1,.solo-play .question-stage h1{font-size:26px}.question-stage p{font-size:15px}.solo-play .answer-option{font-size:22px;min-height:74px}.play-top{flex-wrap:wrap}.play-top>div:nth-child(2){flex:1}.play-tools{margin-left:auto}.play-top h2{font-size:16px}.play-top small{font-size:11px}.play-status .tag{font-size:13px}.timer{font-size:20px}.hearts{font-size:20px}.player-score{font-size:25px}.answer-feedback{font-size:18px;padding:18px}.answer-feedback h3{font-size:23px}.quest-stop{min-width:100px}.solution-panel h3{font-size:21px}.solution-panel p{font-size:18px}.play-status .progress-track{display:none}}