:root{text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Alibaba PuHuiTi,PingFang SC,Microsoft YaHei,sans-serif;font-weight:450;line-height:1.45}*{box-sizing:border-box}body{color:#273f65;background-color:var(--page-bg-base,#eaf0ff);background-image:radial-gradient(circle at 12% -8%, var(--page-bg-glow-a,#7b95ec3d), transparent 45%), radial-gradient(circle at 88% 120%, var(--page-bg-glow-b,#81bcff3d), transparent 40%), radial-gradient(var(--page-bg-dot,#a0b2dc85) 1.1px, transparent 1.1px);background-size:auto,auto,24px 24px;min-height:100vh;margin:0}#root{min-height:100vh}.app-shell{--theme-accent:#ef5665;--theme-accent-ink:#bf3a4d;--theme-accent-soft:#ef566524;--theme-accent-soft-strong:#ef56653d;--theme-accent-border:#ef566566;--theme-accent-glow:#ef56654d;--theme-surface-tint:#fff7f8;--theme-gradient-start:#ff7a8e;--theme-gradient-end:#ea4f66;--theme-track:#e7ecf5;--accent-weak:#ffdbe0;--ink:#243f66;--ink-soft:#7a8da9;--line:#f3c8cf;--surface:#fffdfd;background:0 0;max-width:1600px;min-height:100vh;margin:0 auto;padding:16px 24px 36px}button,input,select{font:inherit}button{cursor:pointer;border:1px solid #0000;border-radius:999px;transition:all .18s}button:hover{transform:translateY(-1px)}button:disabled{opacity:.48;cursor:not-allowed;transform:none}.top-bar{z-index:50;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffed;border:1px solid #f0c5cbf2;border-radius:999px;grid-template-columns:auto clamp(150px,12vw,210px) minmax(0,1fr);grid-template-areas:"toolbar search actions";align-items:center;gap:8px;width:min(1560px,100% - 8px);margin:0 auto;padding:10px 14px;display:grid;position:sticky;top:10px;box-shadow:0 10px 24px #ef566524}.top-toolbar{white-space:nowrap;flex-wrap:nowrap;grid-area:toolbar;align-items:center;gap:8px;min-width:0;max-width:100%;display:flex;overflow:visible}.teacher-title-pill{background:linear-gradient(135deg,#fff7fb,#fff);border:1px solid #f4cad2;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;min-width:104px;max-width:180px;height:42px;padding:0 14px;display:inline-flex;position:relative;overflow:hidden;box-shadow:0 8px 18px #ee627b29}.teacher-title-pill:before{content:"";pointer-events:none;background:linear-gradient(112deg,#0000 34%,#ffffffd9 50%,#0000 66%);animation:2.8s linear infinite teacher-title-sweep;position:absolute;inset:-55%;transform:translate(-125%)rotate(14deg)}.teacher-title-text{z-index:1;text-overflow:ellipsis;white-space:nowrap;letter-spacing:.06em;background:linear-gradient(#ffd46b 0%,#ff8a4a 45%,#f0427b 100%);color:#0000;text-shadow:0 3px 10px #ee4d7042;-webkit-background-clip:text;background-clip:text;max-width:100%;font-family:STXingkai,STKaiti,KaiTi,"FangSong",Microsoft YaHei,sans-serif;font-size:19px;font-weight:800;position:relative;overflow:hidden}@keyframes teacher-title-sweep{0%{transform:translate(-125%)rotate(14deg)}to{transform:translate(125%)rotate(14deg)}}.logo-pill{color:#fff;background:linear-gradient(145deg,#ff8d9a,#f55769);border-color:#ffb5bf;border-radius:999px;width:48px;height:48px;font-size:23px;box-shadow:0 8px 18px #ef566547}.class-pill,.tool-pill{color:#cf2d42;background:#fff;border:1px solid #f3c8cf;border-radius:999px;align-items:center;height:38px;padding:0 14px;font-weight:700;display:inline-flex}.class-switch-btn{text-overflow:ellipsis;white-space:nowrap;cursor:pointer;max-width:168px;padding-right:28px;position:relative;overflow:hidden}.class-switch-btn:after{content:"⌄";color:#da5b6f;font-size:12px;position:absolute;top:50%;right:10px;transform:translateY(-48%)}.tool-pill{color:#d94356;background:#fff6f7}.tool-pill.batch-pill-active{color:#fff;background:linear-gradient(135deg,#5d72ff,#4b5eea);border-color:#7f96ff;box-shadow:0 10px 20px #5465f147}.sort-wrap{position:relative}.sort-trigger{white-space:nowrap;gap:6px}.sort-caret{color:#cc7282;font-size:12px;transition:transform .16s;transform:translateY(1px)}.sort-caret.open{transform:rotate(180deg)translateY(-1px)}.sort-menu{z-index:90;background:#fffffffa;border:1px solid #f0d5da;border-radius:16px;gap:4px;min-width:208px;padding:8px;display:grid;position:absolute;top:calc(100% + 8px);left:0;box-shadow:0 18px 32px #2e3b5933}.sort-menu p{color:#7f90a9;margin:0;padding:4px 6px 6px;font-size:13px;font-weight:800}.sort-menu-item{color:#2d456d;background:0 0;border:1px solid #0000;border-radius:12px;justify-content:space-between;align-items:center;min-height:38px;padding:0 10px;font-weight:800;display:flex}.sort-menu-item.active{color:#cc2f46;background:#fff1f4;border-color:#e8d6da}.sort-menu-item em{color:#29a35f;font-size:12px;font-style:normal;font-weight:800}.search-pill{color:#a4afbf;background:#f5f7fb;border:1px solid #e7ebf2;border-radius:999px;align-items:center;gap:8px;min-width:214px;height:38px;padding:0 12px;display:inline-flex}.top-search-pill{grid-area:search;justify-self:start;width:clamp(150px,12vw,210px);min-width:0;margin-right:8px}.search-pill input{color:#51627f;background:0 0;border:0;outline:0;width:100%}.top-actions{white-space:nowrap;flex-wrap:nowrap;grid-area:actions;justify-content:flex-end;justify-self:end;align-items:center;gap:4px;min-width:0;padding-left:0;display:flex}.top-actions button{color:#dd4156;background:0 0;border-color:#0000;flex-shrink:0;height:34px;padding:0 10px;font-size:15px;font-weight:700}.top-actions button.primary{color:#df3047;background:#fff5f7;border-color:#ffd3d9}.top-actions button.coin-top-btn{color:#9a6a1f;background:linear-gradient(135deg,#fff9ee,#fff3dc);border-color:#f5ddb2}.top-actions button.diamond-top-btn{color:#245d9f;background:linear-gradient(135deg,#f2f8ff,#ebf5ff);border-color:#cfe2ff}.top-actions button.group-center-top-btn{color:#2f7a42;background:linear-gradient(135deg,#f2fff3,#e8f7ea);border-color:#d4e8d2}.top-actions button.admin-top-btn{color:#5f37c7;background:linear-gradient(135deg,#f7f2ff,#efe6ff);border-color:#d7cdfd}.top-actions button.undo-active{color:#fff;background:linear-gradient(135deg,#ff5c79,#ef2f55);border-color:#0000;box-shadow:0 8px 16px #eb375b4d}.top-actions button.author-contact-btn{color:#385684;background:#f6f9ff;border-color:#d5deef}.top-actions button.pk-top-btn{color:#f6f9ff;letter-spacing:.04em;background:linear-gradient(145deg,#0a123f,#1a2f82);border:1px solid #13246b;border-radius:999px;justify-content:center;align-items:center;gap:6px;min-width:114px;height:42px;padding:0 14px;font-size:16px;font-weight:900;display:inline-flex;position:relative;overflow:hidden;box-shadow:0 10px 18px #12286e57,inset 0 0 0 1px #ffffff1a}.top-actions button.pk-top-btn:before{content:"";pointer-events:none;background:linear-gradient(110deg,#0000 34%,#ffffff8f 50%,#0000 66%);animation:2.4s linear infinite pk-top-flow;position:absolute;inset:-45%;transform:translate(-125%)rotate(14deg)}.top-actions button.pk-top-btn>span{z-index:1;position:relative}.top-actions button.pk-top-btn .pk-top-text{background:linear-gradient(#ffef88 0%,#ffb931 42%,#ff5d27 72%,#ff3466 100%);color:#0000;text-shadow:0 4px 8px #04082866;-webkit-background-clip:text;background-clip:text}@keyframes pk-top-flow{0%{transform:translate(-125%)rotate(14deg)}to{transform:translate(125%)rotate(14deg)}}.toolbar-panel{justify-content:space-between;align-items:flex-start;gap:10px;margin-top:34px;display:flex}.batch-mode-panel{justify-items:center;gap:10px;margin:22px auto 0;display:grid}.undo-mode-panel{justify-items:center;margin:22px auto 0;display:grid}.undo-tip-pill{color:#fff;background:linear-gradient(135deg,#ff5b78,#ef2e54);border-radius:999px;align-items:center;gap:8px;min-height:44px;padding:0 20px;font-weight:800;display:inline-flex;box-shadow:0 10px 22px #e8395e52}.batch-tip-pill{color:#fff;background:linear-gradient(135deg,#4d7cff,#3569ed);border-radius:999px;align-items:center;gap:8px;min-height:44px;padding:0 20px;font-weight:800;display:inline-flex;box-shadow:0 10px 24px #4367ea4d}.batch-action-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;display:flex}.batch-count-pill{color:#1d62cc;background:#e8f3ff;border:1px solid #9ec3ff;border-radius:999px;align-items:center;min-height:44px;padding:0 18px;font-size:18px;font-weight:800;display:inline-flex}.batch-ghost-btn,.batch-outline-btn,.batch-solid-btn{border-radius:999px;min-height:44px;padding:0 16px;font-weight:800}.batch-ghost-btn{color:#4d6588;background:#fff;border:1px solid #d7e1ef}.batch-outline-btn{color:#1383bf;background:#f2fbff;border:1px solid #8fd6ff}.batch-solid-btn{color:#fff;background:linear-gradient(135deg,#4d79ff,#5148e8);border:1px solid #0000;box-shadow:0 8px 18px #4a5ce44d}.group-filter p{color:#2b4a76;margin:0 0 10px;font-size:22px;font-weight:800}.group-chips{flex-wrap:wrap;gap:10px;display:flex}.group-chips button{color:#60748f;background:#ffffffe6;border:1px solid #dfe5ef;align-items:center;gap:8px;height:40px;padding:0 14px;font-weight:700;display:inline-flex}.group-chips button em{color:#8ea0ba;font-style:normal}.group-chips button.active{color:#fff;background:linear-gradient(125deg,#4b58e3,#6b6cff);border-color:#0000;box-shadow:0 10px 20px #535be645}.group-chips button.active em{color:#d7dbff}.stats-strip{flex-wrap:wrap;justify-content:flex-end;gap:8px;padding-top:4px;display:flex}.stats-strip span{background:#fffffff2;border:1px solid #e5eaf2;border-radius:999px;align-items:center;gap:6px;min-height:34px;padding:0 12px;display:inline-flex}.stats-strip span em{color:#50698a;font-size:13px;font-style:normal;font-weight:800}.stats-strip span strong{color:#2e4c77;font-size:19px;font-weight:900;line-height:1}.student-grid{grid-template-columns:repeat(auto-fill,minmax(246px,1fr));gap:12px;margin-top:14px;display:grid}.empty-state{background:#fff;border:1px dashed #f0c3cb;border-radius:20px;padding:16px}.empty-state h2{color:#cc3348;margin:0 0 8px;font-size:20px}.empty-state p{color:#7085a4;margin:0}.student-card{background:linear-gradient(#fffafbfa,#fffffff2);border:1px solid #f1bac2;border-radius:26px;gap:8px;padding:12px 12px 10px;transition:transform .18s,box-shadow .2s,border-color .2s;display:grid;position:relative;box-shadow:0 8px 22px #eb718024}.student-card.undo-target{border-color:#f46a81;box-shadow:inset 0 0 0 2px #f46a8138,0 8px 22px #f46a8133}.student-card.mystery{background:linear-gradient(#fff7fb,#fff);border-color:#efbfd1}.student-card.clickable{cursor:pointer}.student-card.clickable:hover{border-color:#e49aa6;transform:translateY(-3px);box-shadow:0 14px 30px #e9566d33}.student-card.clickable:focus-visible{outline-offset:2px;outline:2px solid #f26e7e}.student-card.batch-mode{border-color:#d5e6ff;box-shadow:0 8px 20px #7d9bd329}.student-card.batch-mode.selected{border-color:#5b91ff;box-shadow:inset 0 0 0 2px #4d80f52e,0 14px 28px #4669ba40}.student-card.batch-mode .card-head{padding-left:42px}.student-card.role-member{border-color:var(--group-border-member,#f1bac2);box-shadow:0 8px 22px var(--group-shadow-member,#eb718024)}.student-card.role-member.clickable:hover{border-color:var(--group-flow-main,#e49aa6);box-shadow:0 14px 30px var(--group-flow-glow,#e9566d3d)}.student-card.role-vice{--group-flow-angle:0deg;background:linear-gradient(180deg, var(--group-card-surface-start,#fffafb), var(--group-card-surface-end,#fff)) padding-box, conic-gradient(from var(--group-flow-angle), var(--group-flow-deep,#4a73c1db) 0deg, var(--group-flow-deep,#4a73c1db) 280deg, var(--group-flow-light,#f0f9fff5) 320deg, var(--group-flow-main,#5a9cffe0) 346deg, var(--group-flow-deep,#4a73c1db) 360deg) border-box;box-shadow:0 10px 24px var(--group-shadow-member,#638cdb38), 0 0 12px var(--group-flow-glow,#638cdb3d), 0 0 0 1px var(--group-surface-tint,#638cdb14) inset;border-width:2px;border-color:#0000;animation:6.4s linear infinite group-border-flow}.student-card.role-vice.clickable:hover{box-shadow:0 14px 30px var(--group-flow-glow,#638cdb52), 0 0 18px var(--group-flow-glow,#638cdb5c), 0 0 0 1px var(--group-surface-tint,#638cdb1a) inset;border-color:#0000}.student-card.role-vice.undo-target{background:linear-gradient(#fffafbfa,#fffffff2);border-color:#f46a81;animation:none;box-shadow:inset 0 0 0 2px #f46a8138,0 8px 22px #f46a8133}.student-card.role-vice.batch-mode.selected{border-color:#0000}.student-card.role-leader{--group-flow-angle:0deg;--leader-bolt-angle:0deg;isolation:isolate;background:linear-gradient(180deg, var(--group-card-surface-start,#fffafb), var(--group-card-surface-end,#fff)) padding-box, conic-gradient(from var(--leader-bolt-angle), transparent 0deg 274deg, #ffffff2e 274deg 280deg, #fffffffa 280deg 286deg, #b3f4fffa 286deg 291deg, #ffee98fa 291deg 296deg, #fffffff2 296deg 301deg, transparent 301deg 360deg) border-box, conic-gradient(from var(--group-flow-angle), var(--group-flow-deep,#4a73c1eb) 0deg, var(--group-flow-deep,#4a73c1eb) 250deg, var(--group-flow-main,#5a9cfff5) 286deg, var(--group-flow-light,#f5fbff) 312deg, var(--group-flow-main,#5a9cfffa) 340deg, var(--group-flow-deep,#4a73c1eb) 360deg) border-box;box-shadow:0 14px 32px var(--group-flow-glow,#638cdb6b), 0 0 24px var(--group-flow-glow,#638cdb85), 0 0 0 1px var(--group-surface-tint,#638cdb1f) inset;border-width:3px;border-color:#0000;animation:3.4s linear infinite group-border-flow,1.9s linear infinite leader-bolt-spin}.student-card.role-leader.clickable:hover{box-shadow:0 18px 36px var(--group-flow-glow,#638cdb8a), 0 0 30px var(--group-flow-glow,#638cdb9e), 0 0 0 1px var(--group-surface-tint,#638cdb29) inset;border-color:#0000}.student-card.role-leader.undo-target{background:linear-gradient(#fffafbfa,#fffffff2);border-color:#f46a81;animation:none;box-shadow:inset 0 0 0 2px #f46a8138,0 8px 22px #f46a8133}.student-card.role-leader.batch-mode.selected{border-color:#0000}@property --group-flow-angle{syntax:"<angle>";inherits:false;initial-value:0deg}@property --leader-bolt-angle{syntax:"<angle>";inherits:false;initial-value:0deg}@keyframes group-border-flow{0%{--group-flow-angle:0deg}to{--group-flow-angle:360deg}}@keyframes leader-bolt-spin{0%{--leader-bolt-angle:0deg}to{--leader-bolt-angle:360deg}}.batch-check-btn{z-index:2;color:#0000;background:#f7fbff;border:2px solid #d6e4f9;border-radius:999px;justify-content:center;align-items:center;width:38px;height:38px;font-size:24px;font-weight:900;display:inline-flex;position:absolute;top:10px;left:10px;box-shadow:0 8px 16px #475f9029}.batch-check-btn.checked{color:#fff;background:linear-gradient(140deg,#3f82f1,#2e67de);border-color:#3a78ea}.card-head{justify-content:space-between;align-items:center;display:flex}.level-tag{color:#3f5471;background:#fff;border:1px solid #e1e7ef;border-radius:999px;align-items:center;gap:6px;height:30px;padding:0 10px;font-weight:800;display:inline-flex}.level-tag i{background:#27c97c;border-radius:999px;width:9px;height:9px}.card-more{color:#667ba0;background:#fff;border:1px solid #e7ebf2;border-radius:999px;width:36px;height:36px;font-size:18px;font-weight:900;line-height:1;transition:transform .18s,border-color .2s,background .2s,color .2s,box-shadow .2s}.card-more:hover{color:#fff;background:linear-gradient(135deg,#ff667f,#eb3556);border-color:#ef4f64;transform:translateY(-1px)scale(1.08);box-shadow:0 10px 18px #eb355652}.card-more:focus-visible{border-color:#ef4f64;box-shadow:0 0 0 2px #ef4f6433}.level-up-effect{border-radius:inherit;pointer-events:none;z-index:3;position:absolute;inset:0;overflow:hidden}.level-up-flash{opacity:0;background:radial-gradient(circle,#fffffff2 0%,#a1eeffc7 22%,#8a9dff7a 45%,#0000 70%);animation:1.08s ease-out forwards level-up-flash;position:absolute;inset:-24%}.level-up-ring{opacity:0;border:3px solid #ffffffeb;border-radius:999px;width:44px;height:44px;margin-top:-22px;margin-left:-22px;animation:1.08s cubic-bezier(.15,.66,.23,1) forwards level-up-ring;position:absolute;top:45%;left:50%;box-shadow:0 0 0 4px #7ed9ff57,0 0 28px #57aaffa6}.level-up-core{opacity:0;background:radial-gradient(circle at 35% 35%,#fff 0%,#d4f7ff 45%,#8ed6ff 100%);border-radius:999px;width:20px;height:20px;margin-top:-10px;margin-left:-10px;animation:.74s ease-out forwards level-up-core;position:absolute;top:45%;left:50%}.level-up-label{color:#fff;letter-spacing:.06em;text-shadow:0 2px 8px #18347a66;opacity:0;background:linear-gradient(125deg,#5476ffeb,#46e2c3e6);border:1px solid #ffffffb8;border-radius:999px;padding:4px 12px;font-size:15px;font-weight:900;animation:1.08s ease-out forwards level-up-label;position:absolute;top:18%;left:50%;transform:translate(-50%)}.level-up-sparks i{opacity:0;background:linear-gradient(#fff,#8ee2ff);border-radius:99px;width:7px;height:18px;position:absolute;top:45%;left:50%;box-shadow:0 0 10px #9ee8ffc7}.level-up-sparks .s1{animation:1.08s ease-out forwards level-up-spark-1;transform:translate(-50%,-50%)rotate(0)}.level-up-sparks .s2{animation:1.08s ease-out forwards level-up-spark-2;transform:translate(-50%,-50%)rotate(45deg)}.level-up-sparks .s3{animation:1.08s ease-out forwards level-up-spark-3;transform:translate(-50%,-50%)rotate(90deg)}.level-up-sparks .s4{animation:1.08s ease-out forwards level-up-spark-4;transform:translate(-50%,-50%)rotate(135deg)}.level-up-sparks .s5{animation:1.08s ease-out forwards level-up-spark-5;transform:translate(-50%,-50%)rotate(180deg)}.level-up-sparks .s6{animation:1.08s ease-out forwards level-up-spark-6;transform:translate(-50%,-50%)rotate(225deg)}.level-up-sparks .s7{animation:1.08s ease-out forwards level-up-spark-7;transform:translate(-50%,-50%)rotate(270deg)}.level-up-sparks .s8{animation:1.08s ease-out forwards level-up-spark-8;transform:translate(-50%,-50%)rotate(315deg)}@keyframes level-up-flash{0%{opacity:0;transform:scale(.72)}20%{opacity:1;transform:scale(1.02)}to{opacity:0;transform:scale(1.34)}}@keyframes level-up-ring{0%{opacity:0;transform:scale(.3)}24%{opacity:1}to{opacity:0;transform:scale(8.8)}}@keyframes level-up-core{0%{opacity:.9;transform:scale(.45)}55%{opacity:.7;transform:scale(2.2)}to{opacity:0;transform:scale(3.6)}}@keyframes level-up-label{0%{opacity:0;transform:translate(-50%,12px)scale(.65)}22%{opacity:1;transform:translate(-50%)scale(1)}72%{opacity:1;transform:translate(-50%,-2px)scale(1)}to{opacity:0;transform:translate(-50%,-14px)scale(.95)}}@keyframes level-up-spark-1{0%,10%{opacity:0;transform:translate(-50%,-50%)rotate(0)translateY(0)scale(.4)}25%{opacity:1}to{opacity:0;transform:translate(-50%,-50%)rotate(0)translateY(-66px)scale(.95)}}@keyframes level-up-spark-2{0%,10%{opacity:0;transform:translate(-50%,-50%)rotate(45deg)translateY(0)scale(.4)}25%{opacity:1}to{opacity:0;transform:translate(-50%,-50%)rotate(45deg)translateY(-58px)scale(.95)}}@keyframes level-up-spark-3{0%,10%{opacity:0;transform:translate(-50%,-50%)rotate(90deg)translateY(0)scale(.4)}25%{opacity:1}to{opacity:0;transform:translate(-50%,-50%)rotate(90deg)translateY(-66px)scale(.95)}}@keyframes level-up-spark-4{0%,10%{opacity:0;transform:translate(-50%,-50%)rotate(135deg)translateY(0)scale(.4)}25%{opacity:1}to{opacity:0;transform:translate(-50%,-50%)rotate(135deg)translateY(-58px)scale(.95)}}@keyframes level-up-spark-5{0%,10%{opacity:0;transform:translate(-50%,-50%)rotate(180deg)translateY(0)scale(.4)}25%{opacity:1}to{opacity:0;transform:translate(-50%,-50%)rotate(180deg)translateY(-66px)scale(.95)}}@keyframes level-up-spark-6{0%,10%{opacity:0;transform:translate(-50%,-50%)rotate(225deg)translateY(0)scale(.4)}25%{opacity:1}to{opacity:0;transform:translate(-50%,-50%)rotate(225deg)translateY(-58px)scale(.95)}}@keyframes 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#d4dfef;border-radius:12px;min-height:46px;padding:0 18px;font-size:16px;font-weight:800}.pk-lobby-setup{background:#fff;border:1px solid #d3e0f3;border-radius:20px;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;width:min(1040px,100%);margin:0 auto;padding:14px;display:grid;box-shadow:0 12px 24px #3959961a}.pk-lobby-setup .input-wrap{gap:8px}.pk-lobby-setup .input-wrap span{color:#43608a;font-size:20px;font-weight:800}.pk-lobby-setup .input-wrap input,.pk-lobby-setup .input-wrap select{text-align:center;background:#f8fbff;border:1px solid #cddbef;border-radius:14px;min-height:58px;font-size:22px;font-weight:800}.pk-lobby-setup-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.pk-lobby-setup-games{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:14px}.pk-mode-panel{background:linear-gradient(#fbfdff,#fff);border:1px solid #cfdef4;border-radius:22px;justify-items:center;gap:16px;width:min(1120px,100%);margin:0 auto;padding:20px 18px 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minmax(220px,320px) minmax(180px,1fr);justify-content:center}.pk-amount-row-teacher-step p{text-align:left;white-space:nowrap;grid-column:auto}.pk-amount-row-duel{grid-template-columns:repeat(2,minmax(240px,330px)) auto minmax(260px,1fr)}.pk-draw-controls{grid-template-columns:minmax(280px,460px) minmax(180px,250px) minmax(220px,320px);justify-content:center}.pk-draw-controls p{text-align:center;grid-column:1/-1}.pk-draw-round-list{background:radial-gradient(circle at 18% 16%,#ffffffe0,#0000 40%),linear-gradient(135deg,#f2f8ff,#e5f1ff 52%,#f4f9ff);border:1px solid #c6daff;border-radius:18px;gap:8px;width:min(960px,100%);margin:10px auto 0;padding:14px 18px;display:grid;box-shadow:inset 0 1px #ffffffbf,0 12px 20px #446eb624}.pk-draw-round-list p{text-align:center;color:#2c5c97;letter-spacing:.2px;margin:0;font-size:22px;font-weight:900}.pk-amount-row .input-wrap span{color:#46648c;margin-bottom:6px;font-size:20px;font-weight:800}.pk-amount-row .input-wrap input,.pk-amount-row .input-wrap select{color:#244a7a;text-align:center;background:#f8fbff;border:1px solid #cbdaf0;border-radius:16px;min-height:66px;font-size:26px;font-weight:900}.pk-publish-btn{color:#fff;z-index:2;background:linear-gradient(135deg,#f7b737,#e89425);border:1px solid #d59f42;border-radius:16px;align-self:end;min-height:66px;padding:0 24px;font-size:24px;font-weight:900;position:relative;box-shadow:0 14px 24px #e490224d}.pk-publish-btn:disabled{color:#8ca0bb;box-shadow:none;background:#d6dde7;border-color:#d2d9e4}.pk-amount-row p{color:#6582ac;align-self:end;margin:0;padding-bottom:8px;font-size:20px;font-weight:700;line-height:1.15}.pk-draw-row{background:radial-gradient(circle at 84% 22%,#fffc,#0000 46%),linear-gradient(135deg,#eaf4ff,#d7ebff 48%,#e5f3ff);border-color:#9fc7ff;animation:2.4s ease-in-out infinite pk-draw-pulse;box-shadow:0 14px 28px #4b7dd33d}.pk-draw-row strong{color:#24548d;font-size:36px}.pk-draw-row span{color:#2f5f99;font-size:26px;font-weight:900}.pk-draw-controls .pk-publish-btn{animation:2.2s ease-in-out infinite pk-draw-btn-glow}.pk-next-step-btn{background:linear-gradient(130deg,#6289ff,#5070f3);border-color:#5f7efb;box-shadow:0 14px 24px #536fed52}@keyframes pk-draw-pulse{0%,to{transform:scale(1);box-shadow:0 14px 28px #4b7dd33d}50%{transform:scale(1.01);box-shadow:0 18px 36px #4880e252}}@keyframes pk-draw-btn-glow{0%,to{box-shadow:0 14px 24px #e490224d}50%{box-shadow:0 18px 30px #536fed5c}}.pk-game-board{background:linear-gradient(#f3f8ff,#edf3fc);border:1px solid #d6e1f3;border-radius:22px;width:min(1120px,100%);margin:0 auto;padding:16px;box-shadow:0 14px 28px #37558e24}.pk-game-board-head{justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px;display:flex}.pk-game-board-head h4{color:#243f66;margin:0;font-size:34px}.pk-game-board-head span{color:#6f84a4;font-size:17px;font-weight:700}.pk-game-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;display:grid}.pk-game-card{background:#fff;border:1px solid #dfe7f3;border-radius:20px;gap:10px;min-height:220px;padding:12px 12px 10px;transition:transform .2s,box-shadow .2s,border-color .2s;display:grid;position:relative;overflow:hidden;box-shadow:0 8px 20px #293f621f}.pk-game-card:before{content:"";background:linear-gradient(#f0ab2d,#e18a14);border-radius:999px;width:4px;position:absolute;top:10px;bottom:10px;left:0}.pk-game-card.selected{border-color:#6b82f6;box-shadow:0 16px 30px #5371e93d}.pk-game-card.selected:before{background:linear-gradient(#5f7efb,#4f68f1)}.pk-game-card:hover{transform:translateY(-2px);box-shadow:0 14px 28px #293f622e}.pk-game-tags{flex-wrap:wrap;gap:6px;display:flex}.pk-game-tags .tag{color:#9a6a22;background:#fff7e8;border:1px solid #ede3cb;border-radius:999px;align-items:center;min-height:26px;padding:0 9px;font-size:16px;font-weight:800;display:inline-flex}.pk-game-tags .tag.english{color:#2d7b68;background:#e9faf6;border-color:#c4e9e1}.pk-game-tags .tag.mixed{color:#2e6f84;background:#e8f8fe;border-color:#cfe8f0}.pk-game-tags .tag.game-mode{color:#9a6524;background:#fff8ef;border-color:#f3e2ce}.pk-game-card h5{color:#162e53;margin:0;font-size:34px;line-height:1.1}.pk-game-card p{color:#4a648d;margin:0;font-size:18px;font-weight:700;line-height:1.4}.pk-game-card strong{color:#3f5f86;margin-top:2px;font-size:17px}.pk-game-card footer{justify-content:space-between;align-items:center;gap:10px;margin-top:auto;display:flex}.pk-game-card footer span{font-size:32px;line-height:1}.pk-game-card-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.pk-game-card-actions button{border-radius:12px;min-height:40px;padding:0 12px;font-size:15px;font-weight:900}.pk-game-pick-btn{color:#46689a;background:#eef4ff;border:1px solid #cfdaf0}.pk-game-pick-btn.active{color:#fff;background:linear-gradient(130deg,#5e7cf9,#4f66ee);border-color:#607af3;box-shadow:0 8px 16px #536fed3d}.pk-game-enter-btn{color:#fff;background:linear-gradient(135deg,#f8bc40,#e89b2d);border:1px solid #d59f42;box-shadow:0 8px 16px #e99e3142}.pk-battle-board{background:linear-gradient(#fff,#f7fbff);border:1px solid #d6e1f3;border-radius:22px;width:min(1120px,100%);margin:0 auto;padding:14px;box-shadow:0 12px 26px #3959961f}.pk-battle-list{gap:10px;display:grid}.pk-battle-card{background:#f8fbff;border:1px solid #dbe5f4;border-radius:16px;gap:8px;padding:10px 12px;display:grid}.pk-battle-card.status-in_progress{background:#fff6e8;border-color:#f3d49f}.pk-battle-card.status-finished{background:#effcf4;border-color:#cde9d9}.pk-battle-main{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.pk-battle-title strong{color:#203f67;font-size:19px;line-height:1.1}.pk-battle-title p{color:#617da2;margin:3px 0 0;font-size:13px;font-weight:700}.pk-battle-status{color:#456186;white-space:nowrap;background:#eff4fd;border:1px solid #d2deef;border-radius:999px;align-items:center;min-height:30px;padding:0 12px;font-size:13px;font-weight:900;display:inline-flex}.pk-battle-status.pending_accept{color:#9a6a1f;background:#fff2df;border-color:#f3d3a2}.pk-battle-status.ready{color:#2d6f84;background:#e9f7ff;border-color:#cfe6f6}.pk-battle-status.in_progress{color:#925818;background:#ffe8c8;border-color:#f0bf84}.pk-battle-status.finished{color:#2e7752;background:#e7f7ee;border-color:#b8dfc8}.pk-battle-status.rejected,.pk-battle-status.cancelled{color:#a45567;background:#fff1f4;border-color:#e7d2d9}.pk-battle-meta{flex-wrap:wrap;gap:7px;display:flex}.pk-battle-meta span{color:#58769d;background:#fff;border:1px solid #d7e2f1;border-radius:9px;align-items:center;min-height:28px;padding:0 9px;font-size:13px;font-weight:700;display:inline-flex}.pk-battle-note{color:#4e678e;margin:0;font-size:14px;font-weight:700}.pk-battle-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.pk-action-btn{color:#4a648b;background:#f3f7fe;border:1px solid #d2dceb;border-radius:11px;min-height:36px;padding:0 12px;font-size:13px;font-weight:900}.pk-action-btn.primary{color:#fff;background:linear-gradient(130deg,#6184ff,#5467ef);border-color:#5778f5}.pk-action-btn.danger{color:#cf4d63;background:#ffedf0;border-color:#f1b0b9}.pk-action-btn.ghost{color:#607ca2;background:#fff;border-color:#d6dfed}.pk-action-btn.win-a{color:#2472cb;background:#eaf5ff;border-color:#63a9ff}.pk-action-btn.win-b{color:#2a8d58;background:#ecfbf2;border-color:#7ec09f}.pk-action-btn.draw{color:#9150ad;background:#f8eefc;border-color:#d9b2e8}.pk-battle-finished{color:#6d84a5;font-size:12px;font-weight:700}.pk-game-empty{color:#6f83a4;background:#f7fbff;border:1px dashed #cbd7e9;border-radius:14px;place-items:center;min-height:112px;margin:0;font-weight:700;display:grid}.store-items-main{gap:8px;min-width:0;display:grid}.store-target-panel{gap:8px;display:grid}.store-target-tools{grid-template-columns:minmax(0,1fr) minmax(160px,220px);gap:8px;display:grid}.store-target{gap:8px}.store-target span{color:#41597f;font-size:18px;font-weight:800}.store-target select{border-color:#d5deec;border-radius:14px;min-height:48px}.store-target-hint{color:#7a8ca8;margin:0;font-size:13px;font-weight:700}.magic-shelf-board{background:#dce2ea;border:1px solid #d8dee8;border-radius:18px;max-height:58vh;padding:12px;overflow:auto}.magic-shelf-grid{grid-template-columns:repeat(auto-fill,minmax(216px,1fr));gap:12px;display:grid}.magic-card{--store-accent:#8b95f6;--store-soft:#8b95f638;background:#fff;border:1px solid #e4e8f2;border-radius:26px;align-content:start;display:grid;overflow:hidden;box-shadow:0 10px 24px #2e3e5d1f}.magic-card-top{background:var(--store-soft);place-items:center;min-height:130px;display:grid;position:relative}.magic-card-cost{color:#fff;background:#f2bc0c;border-radius:999px;justify-content:center;align-items:center;min-width:74px;min-height:34px;padding:0 10px;font-size:18px;font-weight:800;display:inline-flex;position:absolute;top:12px;right:12px;box-shadow:0 10px 16px #f2bc0c52}.magic-card-icon{width:92px;height:92px;color:var(--store-accent);background:#ffffffa6;border-radius:999px;justify-content:center;align-items:center;font-size:52px;display:inline-flex;box-shadow:inset 0 0 0 1px #ffffffd1}.magic-card-body{text-align:center;gap:8px;padding:12px 12px 14px;display:grid}.magic-card-body h4{color:#2a3f63;margin:0;font-size:18px;line-height:1}.magic-card-body p{color:#7489a8;margin:0;font-size:15px;font-weight:700}.magic-card-meta{justify-content:space-between;gap:6px;display:flex}.magic-card-meta span{color:#6d809f;background:#f7f9fd;border:1px solid #e5ebf4;border-radius:10px;flex:1;justify-content:center;align-items:center;min-height:34px;padding:0 8px;font-size:14px;font-weight:800;display:inline-flex}.magic-card-action{margin-top:2px}.redeem-btn{background:var(--store-accent);color:#fff;border:0;border-radius:16px;width:100%;height:50px;font-size:18px;font-weight:900;box-shadow:0 12px 20px #2b3c5b26}.redeem-btn:disabled{color:#8b9bb3;background:#d2d9e4}.log-list,.ranking-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.log-list li,.ranking-list li{background:#fff;border:1px solid #e8edf5;border-radius:10px;padding:8px}.log-list span{color:#7f91aa;font-size:12px}.log-list p,.ranking-list p{margin:4px 0 0}.log-empty{color:#7b8da9;background:#fff;border:1px dashed #d7e2f1;border-radius:12px;place-items:center;min-height:110px;margin:0;font-weight:700;display:grid}.growth-modal{border-radius:22px;width:min(760px,100%);overflow:hidden}.growth-head{border-bottom-color:#e6ebf4;padding:14px 18px}.growth-title{align-items:center;gap:12px;display:inline-flex}.growth-title-icon{color:#20a26b;background:#ddf6eb;border-radius:14px;justify-content:center;align-items:center;width:44px;height:44px;font-size:22px;display:inline-flex}.growth-title h3{color:#25446b;margin:0;font-size:26px}.growth-title p{color:#7f91ad;margin:2px 0 0;font-size:13px;font-weight:700}.growth-toolbar{background:#f9fbff;border-bottom:1px solid #edf1f8;grid-template-columns:1fr 1fr;gap:10px;padding:12px 16px;display:grid}.growth-toolbar-btn{color:#435f91;background:#edf2ff;border:1px solid #d2ddf1;border-radius:12px;min-height:44px;font-size:20px;font-weight:900}.growth-toolbar-btn.export{color:#5663f4;background:#edf1ff;border-color:#d7dcf5}.growth-toolbar-btn.danger{color:#dd4f66;background:#fff3f5;border-color:#f2d2d8}.growth-pager{background:#fff;border-bottom:1px solid #edf1f8;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:10px 16px;display:flex}.growth-pager p{color:#7288a9;margin:0;font-size:14px;font-weight:700}.growth-pager-actions{align-items:center;gap:8px;display:inline-flex}.growth-pager-actions button{color:#5f769b;background:#f6f9ff;border:1px solid #d8e2f1;border-radius:999px;width:34px;height:34px;padding:0;font-size:20px;font-weight:800}.growth-pager-actions strong{color:#2d466e;font-size:16px}.growth-body{background:#fbfdff;gap:14px;max-height:min(62vh,560px);padding:14px 16px 18px;display:grid;overflow:auto}.growth-empty{color:#7d90ad;background:#f7fbff;border:1px dashed #d5e0f1;border-radius:14px;place-items:center;min-height:120px;margin:0;font-size:16px;font-weight:700;display:grid}.growth-day-section{gap:8px;display:grid}.growth-day-label{color:#6d84a6;background:#f2f6fd;border:1px solid #e3eaf5;border-radius:999px;align-items:center;min-height:30px;margin:0 auto;padding:0 12px;font-size:13px;font-weight:800;display:inline-flex}.growth-log-list{background:#fff;border:1px solid #dee7f3;border-radius:14px;margin:0;padding:0;list-style:none;overflow:hidden}.growth-log-list li{border-bottom:1px solid #edf2f8;grid-template-columns:60px 40px minmax(0,1fr);align-items:center;gap:8px;padding:10px 12px;display:grid}.growth-log-list li:last-child{border-bottom:0}.growth-log-time{color:#90a1b9;font-size:13px;font-weight:700}.growth-log-icon{border-radius:999px;justify-content:center;align-items:center;width:34px;height:34px;font-size:18px;display:inline-flex}.growth-log-icon.neutral{background:#e9eef8}.growth-log-icon.good{background:#ddf6eb}.growth-log-icon.warn{background:#ffe6ea}.growth-log-main p{color:#2e466d;margin:0;font-size:18px;font-weight:700;line-height:1.2}.growth-log-main small{color:#8397b4;font-size:12px;font-weight:700}.student-record-modal{border-radius:22px;width:min(680px,100%);overflow:hidden}.student-record-head{border-bottom-color:#e5edf8;padding:14px 18px}.student-record-head h3{color:#26456c;margin:0;font-size:28px}.student-record-head p{color:#7f92ae;margin:4px 0 0;font-size:14px;font-weight:700}.student-record-body{background:#f8fbff;gap:12px;padding:14px 16px 18px;display:grid}.student-record-tip{color:#5e7394;background:#fff;border:1px solid #dde7f5;border-radius:12px;margin:0;padding:10px 12px;font-size:16px;font-weight:700}.student-record-list{background:#fff;border:1px solid #dce6f3;border-radius:14px;margin:0;padding:0;list-style:none;overflow:hidden}.student-record-list li{border-bottom:1px solid #ebf1f9;grid-template-columns:132px minmax(0,1fr);align-items:start;gap:10px;padding:11px 12px;display:grid}.student-record-list li:last-child{border-bottom:0}.student-record-time{color:#8a9db8;font-size:13px;font-weight:700}.student-record-main{justify-content:space-between;align-items:center;gap:12px;min-width:0;display:flex}.student-record-main p{color:#2f476d;min-width:0;margin:0;font-size:18px;font-weight:700}.student-record-main>strong{text-align:right;flex-shrink:0;min-width:88px;font-size:18px;font-weight:900}.student-record-main>strong.plus{color:#1e9a58}.student-record-main>strong.minus{color:#d54a63}.coin-record-main{align-items:flex-start}.coin-record-content{gap:8px;min-width:0;display:grid}.coin-record-item.achievement{background:linear-gradient(#fffef9,#fffcf2)}.coin-achievement-card{background:linear-gradient(145deg,#fffdf6,#fff7df);border:1px solid #f1dfab;border-radius:12px;align-items:center;gap:10px;max-width:100%;padding:8px 10px 8px 9px;display:inline-flex;position:relative}.coin-achievement-crown{filter:drop-shadow(0 3px 5px #e69c2452);font-size:15px;position:absolute;top:-11px;left:34px}.coin-achievement-avatar{background:radial-gradient(circle at 32% 25%,#fff8d9,#ffe7a6);border:1px solid #f0d993;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:inline-flex;overflow:hidden}.coin-achievement-avatar img{object-fit:cover;width:100%;height:100%}.coin-achievement-avatar i{font-size:24px;font-style:normal}.coin-achievement-meta{gap:2px;min-width:0;display:grid}.coin-achievement-title{color:#6d5005;white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:900;overflow:hidden}.coin-achievement-meta small{color:#9b7a2a;font-size:12px;font-weight:700}.student-record-empty{color:#7b8da9;background:#fff;border:1px dashed #d7e2f1;border-radius:12px;place-items:center;min-height:96px;margin:0;font-weight:700;display:grid}.manage-actions{flex-wrap:wrap;gap:8px;display:flex}.manage-actions button{color:#d03f54;background:#fff0f3;border:1px solid #f2c6cd;height:34px;padding:0 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#ffd8aa;border-radius:14px;height:48px;padding:0 16px;font-size:18px;font-weight:800}.store-manage-tools button.secondary{color:#35588b;background:#edf4ff;border-color:#d2deef}.shelf-board{background:#e9e9e8;border:1px solid #e1e2df;border-radius:16px;flex:1;min-height:0;max-height:none;padding:12px;overflow:auto}.shelf-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;padding-bottom:12px;padding-right:2px;display:grid}.shelf-card{--store-accent:#8b95f6;--store-soft:#8b95f62e;background:linear-gradient(#fff,#ffffffdb);border:2px dashed #7586ab57;border-radius:30px;align-content:start;gap:10px;min-height:306px;padding:12px 12px 10px;display:grid;position:relative}.shelf-card.editing{border-style:solid;border-color:var(--store-accent);box-shadow:0 10px 24px #364f7a26}.shelf-rank-badge{color:#fff;background:#f2bc0c;border-radius:999px;justify-content:center;align-items:center;min-width:70px;min-height:34px;padding:0 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