:root{--navy: #2e3a2f;--blue: #4f7a55;--blue-dark: #3f6446;--leaf-bg: #e3ece0;--green: #1f8a4c;--green-bg: #e3f3e7;--red: #b3402e;--red-bg: #fbe9e4;--bg: #f7f6f1;--card: #fff;--line: #dedcd2;--muted: #676d64;--sel: #f4efd8;--hand: "Iansui", "Klee One", "PingFang TC", "Microsoft JhengHei", serif;color-scheme:light}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--navy);font-family:system-ui,-apple-system,PingFang TC,Microsoft JhengHei,Noto Sans TC,sans-serif;font-size:17px;line-height:1.6;-webkit-text-size-adjust:100%}a{color:var(--blue);text-decoration:none}h1{font-size:1.5rem;margin:8px 0 16px}h2{font-size:1.3rem}h3{font-size:1.1rem;margin:18px 0 8px}input,select,textarea,button{font:inherit;color:inherit}input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}input[type=checkbox]{width:20px;height:20px;padding:0;vertical-align:middle;accent-color:var(--blue)}textarea{resize:vertical}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 16px;background:#f7f6f1f0;color:var(--navy);border-bottom:1px solid var(--line);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.topbar a,.topbar .link{color:var(--navy)}.brand{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;font-family:var(--hand);font-size:21px;letter-spacing:1px}.brand svg{flex:none}.topnav{display:flex;align-items:center;gap:14px;font-size:15px;flex-wrap:wrap;justify-content:flex-end}.topnav .who{opacity:.85}.main{max-width:760px;margin:0 auto;padding:16px}.main.wide{max-width:1280px}.narrow{max-width:520px;margin:0 auto}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:14px;box-shadow:0 1px 2px #0e28410a}.form{display:flex;flex-direction:column;gap:12px}.form label{display:flex;flex-direction:column;gap:4px;font-size:15px}.form label.check,label.check{flex-direction:row;align-items:center;gap:8px}.center{text-align:center}.left{text-align:left}.muted{color:var(--muted)}.small{font-size:14px}.red{color:var(--red)}.green{color:var(--green)}.nowrap{white-space:nowrap}.grow{flex:1}.row{display:flex;align-items:center}.row.between{justify-content:space-between}.row.gap,.gap{gap:8px}.wrap{flex-wrap:wrap}.error{background:var(--red-bg);color:var(--red);padding:10px 12px;border-radius:10px;margin:8px 0}.ok{background:var(--green-bg);color:var(--green);padding:10px 12px;border-radius:10px;margin:8px 0;cursor:pointer}.kv{display:flex;justify-content:space-between;padding:4px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;font-weight:600;white-space:nowrap;color:var(--navy)}.btn:hover{border-color:#b8c3cf}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.primary:hover{background:var(--blue-dark);border-color:var(--blue-dark)}.btn.danger{color:var(--red);border-color:#f2c4c4}.btn.small{padding:4px 10px;font-size:14px;border-radius:8px;margin:2px}.btn.big{padding:14px 18px;font-size:18px;width:100%;margin-top:8px}.link{background:none;border:none;padding:0;color:var(--blue);cursor:pointer}.tile{display:flex;flex-direction:column;gap:4px;color:var(--navy)}.tile.row{flex-direction:row;justify-content:space-between;align-items:center}.tile span{color:var(--muted);font-size:14px}.tile.row .btn{color:#fff}.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.account-big{font-size:44px;font-weight:800;letter-spacing:4px;color:var(--blue);margin:8px 0}.play-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}.dots{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.dot{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:14px;cursor:pointer}.dot.cur{border:2px solid var(--blue);font-weight:700}.dot.right{background:var(--green-bg);border-color:var(--green);color:var(--green)}.dot.wrong{background:var(--red-bg);border-color:var(--red);color:var(--red)}.q-no{font-weight:700;color:var(--blue);margin-bottom:6px}.stem{white-space:pre-wrap;margin-bottom:12px}.stem-text{display:block}.stem.big{font-size:clamp(20px,2.4vw,32px);line-height:1.7}.q-img{display:block;max-width:100%;height:auto;margin:10px 0;border-radius:6px;background:#fff}.opts{display:flex;flex-direction:column;gap:10px;margin:8px 0 12px}.opt{position:relative;overflow:hidden;display:flex;gap:10px;align-items:flex-start;text-align:left;padding:12px 14px;border:2px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;min-height:52px}.opt:disabled{cursor:default;color:inherit;opacity:1}.opt>span{position:relative;z-index:1}.opt-l{font-weight:700;min-width:2.2em}.opt.sel{border-color:var(--blue);background:var(--sel)}.opt.right{border-color:var(--green);background:var(--green-bg)}.opt.wrong{border-color:var(--red);background:var(--red-bg)}.opts.big .opt{font-size:clamp(18px,2vw,28px);cursor:default}.opt-count{font-weight:700;white-space:nowrap}.opt-bar{position:absolute;left:0;top:0;bottom:0;background:#4f7a5524;z-index:0}.feedback{border-radius:12px;padding:12px 14px;margin-top:6px}.feedback.right{background:var(--green-bg)}.feedback.wrong{background:var(--red-bg)}.fb-title{font-weight:800;font-size:1.15em;margin-bottom:4px}.feedback.right .fb-title{color:var(--green)}.feedback.wrong .fb-title{color:var(--red)}.fb-exp,.fb-topic{margin:4px 0}.fb-topic{font-weight:600}.score{font-size:56px;font-weight:800;color:var(--blue)}.q-meta{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}.tag{display:inline-block;font-size:13px;padding:1px 8px;border-radius:99px;background:#eeede6;color:var(--navy);margin-left:4px}.tag.topic{background:var(--leaf-bg);color:var(--blue-dark)}.tag.ai{background:#fff3e0;color:#b25d00}.two-col{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:18px;align-items:start}.pick-list{max-height:420px;overflow:auto;border:1px solid var(--line);border-radius:10px;padding:8px}.pick-topic{margin-bottom:6px}.q-pick{padding-left:26px;font-size:14px}.badge{font-size:13px;padding:2px 10px;border-radius:99px;white-space:nowrap}.badge.open{background:var(--green-bg);color:var(--green)}.badge.closed{background:#eeede6;color:var(--muted)}.sess .row.gap{margin-top:6px;flex-wrap:wrap}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:12px 0 6px}.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;text-align:center}.stat b{display:block;font-size:28px}.stat span{color:var(--muted);font-size:14px}.tabs{display:flex;gap:6px;margin:14px 0 10px}.tabs button{padding:8px 18px;border-radius:99px;border:1px solid var(--line);background:#fff;cursor:pointer}.tabs button.on{background:var(--navy);color:#fff;border-color:var(--navy)}.qgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}.qcard{text-align:left;cursor:pointer;margin:0;display:flex;flex-direction:column;gap:6px}.qcard:hover{border-color:var(--blue)}.qcard-stem{font-size:14px;color:var(--muted)}.names{line-height:1.4}.bar{height:8px;border-radius:99px;background:var(--red-bg);overflow:hidden}.bar-r{height:100%;background:var(--green)}.small-bar{background:#eeede6;width:90px;display:inline-block;vertical-align:middle;margin-right:6px}.bar-p{height:100%;background:var(--blue)}.table-wrap{overflow-x:auto;padding:0}table{width:100%;border-collapse:collapse}th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}th{background:#f6f5ef;font-size:14px;white-space:nowrap}tr.dim td{opacity:.5}td select{width:auto;padding:4px 6px}.filters{margin-bottom:10px}.filters input,.filters select{width:auto;min-width:200px}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.chip{background:#eeede6;border-radius:99px;padding:2px 10px;font-size:14px}.review{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#fff;display:flex;flex-direction:column}.review-top{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:10px 20px;border-bottom:1px solid var(--line)}.review-body{flex:1;overflow:auto;padding:20px clamp(16px,5vw,80px);max-width:1400px;width:100%;margin:0 auto}.review-stat{font-size:clamp(16px,1.6vw,22px);margin:8px 0}.review .feedback{font-size:clamp(17px,1.8vw,26px)}.review-nav{display:flex;gap:10px;padding:10px 20px;border-top:1px solid var(--line)}.review-nav .btn{margin:0}@media (max-width: 800px){.two-col{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}body{font-size:16px}.filters input,.filters select{min-width:0;flex:1}}.present-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px}.present-bar select{width:auto;max-width:100%}.present-page{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:clamp(16px,3vw,48px);padding-bottom:56px;min-height:70vh}.present-no{font-size:clamp(20px,2vw,28px);font-weight:800;color:var(--blue)}.present-opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:8px 32px;font-size:clamp(18px,2.2vw,30px);margin:12px 0 24px}.present-opt b{margin-right:6px}.present-stats{overflow-x:auto}.present-ans{position:absolute;right:16px;bottom:12px;font-size:14px;color:#8a96a3}.stats-table{border-collapse:collapse;font-size:clamp(14px,1.4vw,19px);width:auto;min-width:560px}.stats-table th,.stats-table td{border:1px solid #444;padding:6px 14px;text-align:center;background:#fff;white-space:nowrap}.stats-table .st-h{writing-mode:horizontal-tb}.stats-table .st-sum{text-align:left;padding:6px 18px}.stats-table .st-ans{font-weight:700}.grid4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.st-title{font-weight:700;margin:14px 0 6px;font-size:clamp(14px,1.3vw,18px)}.timer{font-variant-numeric:tabular-nums;font-weight:700;padding:2px 10px;border-radius:99px;background:#eeede6}.timer.over{background:var(--red);color:#fff;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.6}}.code-box{border:2px solid var(--blue);background:#fff;color:var(--blue);border-radius:10px;padding:6px 12px;font-size:16px;cursor:pointer}.code-box b{font-size:26px;letter-spacing:3px;margin-left:6px}.code-inline{color:var(--blue);letter-spacing:1px}.code-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#2e3a2f;color:#fff;z-index:100;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;font-size:40px;cursor:pointer}.code-huge{font-size:min(28vw,260px);font-weight:800;letter-spacing:.08em;line-height:1}.code-input{font-size:32px;text-align:center;letter-spacing:10px;font-weight:700}.code-overlay .small{font-size:22px;opacity:.8}.mini-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}.mini-stats>div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 4px;text-align:center;display:flex;flex-direction:column}.mini-stats b{font-size:20px}.mini-stats span{font-size:12px;color:var(--muted)}.code-card{padding:12px 16px}.code-card-title{font-weight:700;margin-bottom:6px}.code-card .code-input{font-size:24px;letter-spacing:8px;padding:6px}.code-card .btn{padding:12px 22px}.sec-hint{margin:-4px 0 10px}.stage-card{display:flex;flex-direction:column;gap:8px}.steps{display:flex;justify-content:space-between;position:relative;margin:6px 0}.steps:before{content:"";position:absolute;left:20px;right:20px;top:18px;height:3px;background:var(--line)}.step{position:relative;display:flex;flex-direction:column;align-items:center;width:20%}.step span{width:38px;height:38px;border-radius:50%;background:#fff;border:2px solid var(--line);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--muted)}.step small{font-size:12px;color:var(--muted)}.step.done span{background:var(--green);border-color:var(--green);color:#fff}.step.cur span{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 0 0 4px var(--leaf-bg)}.step.lock span{border-color:#c9a227;background:#fff8e1}.stage-msg{background:#f6f5ef;border-radius:10px;padding:10px 12px;font-size:15px}.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin:0 0 10px}.seg button{border:0;background:#fff;padding:6px 14px;cursor:pointer;font-size:15px}.seg button.on{background:var(--navy);color:#fff}.seg button:disabled{color:#aab3bd;cursor:not-allowed}.list-card{padding:8px 12px}.list-head{padding:6px 0;gap:8px}.list-row{display:flex;align-items:center;gap:8px;padding:10px 2px;border-top:1px solid var(--line);color:var(--navy)}.list-row.static{cursor:default}.chev{font-size:22px;color:var(--muted)}.clip{overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.prog{display:flex;align-items:center;gap:8px}.prog .bar{flex:1}.bar{height:8px;background:#e7e6de;border-radius:99px;overflow:hidden}.bar>div{height:100%;background:var(--blue);border-radius:99px;transition:width .3s}.prog.thin .bar{height:6px}.bar.slim{height:5px;margin:4px 0 12px}.play-title{font-weight:700}.conf{margin-top:12px}.conf-btns{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:6px}.conf-btns .btn{padding:14px 4px;font-size:17px}.conf-sure:not(:disabled){background:var(--blue);border-color:var(--blue);color:#fff}.conf-unsure:not(:disabled){background:#fff4d6;border-color:#e8c86a}.conf-guess:not(:disabled){background:#f1f3f6}.big-emoji{font-size:56px}@media (max-width: 420px){.mini-stats b{font-size:17px}}.hand{font-family:var(--hand);font-weight:400}h1,h3{font-family:var(--hand);font-weight:400;letter-spacing:.5px}h1{font-size:1.75rem}h3{font-size:1.35rem}.card{border-radius:14px;box-shadow:0 8px 22px -20px #2e3a2f73}.welcome{padding:18px 4px 4px;display:flex;flex-direction:column;gap:8px}.welcome-hand{font-family:var(--hand);font-size:clamp(42px,12vw,56px);line-height:1.22;color:var(--blue);letter-spacing:2px}.welcome-en{font-size:13px;letter-spacing:2px;color:var(--muted);font-style:italic}.welcome-text{margin:4px 0 0;color:#3e4a3f}.road{display:block;width:100%;height:auto;margin:4px 0 6px}.quote{position:relative;background:#fffc;border:1px solid var(--line);border-radius:4px;padding:18px 20px 14px;margin:0 4px 20px;transform:rotate(-1deg);box-shadow:0 10px 24px -18px #2e3a2f66}.quote-label{font-size:12px;letter-spacing:3px;color:var(--muted)}.quote-text{font-family:var(--hand);font-size:25px;line-height:1.5;margin-top:6px;white-space:pre-line}.quote-by{font-size:12px;color:var(--muted);text-align:right;margin-top:4px}.countdown{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 2px;margin-bottom:16px}.countdown-label{font-size:15px;line-height:1.4}.countdown-label small{display:block;color:var(--muted);font-size:13px}.countdown-days{font-family:var(--hand);color:var(--blue);white-space:nowrap}.countdown-days b{font-weight:400;font-size:48px;line-height:1}.code-card{background:var(--leaf-bg);border-color:#cfdccb}.code-card input{border-color:#b9c9b5}.soon{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:8px}.soon>div{border:1px dashed #c9cabf;border-radius:12px;padding:14px 6px;text-align:center;font-size:15px}.soon small{display:block;color:var(--muted);font-size:12px}.sign-off{text-align:center;color:var(--muted);font-size:13px;padding:28px 0 12px}.sign-off .hand{display:block;font-size:21px;color:#3e4a3f}.login-intro{margin-bottom:8px}.home-layout,.login-layout{max-width:520px;margin:0 auto}.login-layout{display:grid;grid-template-areas:"welcome" "form" "extra"}.ll-welcome{grid-area:welcome}.ll-form{grid-area:form;min-width:0}.ll-extra{grid-area:extra}.home-main,.home-side{min-width:0}@media (min-width: 960px){.main.wide:has(.home-layout),.main.wide:has(.login-layout){max-width:1120px;padding:24px 32px}.home-layout{max-width:none;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:56px;align-items:start}.home-side{position:sticky;top:76px}.home-main>.card:first-child{margin-top:28px}.login-layout{max-width:1000px;grid-template-columns:minmax(0,1fr) minmax(0,420px);grid-template-areas:"welcome form" "extra form";column-gap:72px;align-items:start}.ll-form{padding-top:40px}.welcome-hand{font-size:68px}.quote-text{font-size:28px}}@media (max-width: 959px){.home-layout{display:flex;flex-direction:column}.home-side,.home-main{display:contents}.home-side>*{order:2}.home-side>.welcome{order:0}.home-main>*{order:3}.home-main>.code-card,.home-main>.tile{order:1}.home-main>.code-card{margin-top:14px}}.topnav.guest{gap:6px;flex-wrap:nowrap}.topbar .topnav.guest .btn{color:var(--navy);margin:0;padding:6px 14px;font-size:15px}.topbar .topnav.guest .btn.primary{color:#fff}.first-time{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:16px 0 4px;padding:14px 16px;border-radius:14px;background:var(--leaf-bg);border:1px solid #cfdccb;color:var(--navy)}.first-time b{display:block;font-size:17px}.first-time small{color:var(--muted);font-size:14px}.first-time .btn{flex:none}@media (min-width: 960px){.first-time{margin-top:40px}.ll-form{padding-top:0}}@media (max-width: 380px){.brand{font-size:18px}}.brand-sub{font-family:system-ui,-apple-system,PingFang TC,Microsoft JhengHei,sans-serif;font-size:13px;color:var(--muted);letter-spacing:1px;margin-left:8px;padding-left:10px;border-left:1px solid var(--line)}@media (max-width: 640px){.brand-sub{display:none}}.welcome-eyebrow{font-size:13px;letter-spacing:2px;color:var(--muted)}.mission{margin:24px 4px 0;padding:18px 2px 0;border-top:1px solid var(--line)}.mission-label{font-size:12px;letter-spacing:3px;color:var(--muted);margin-bottom:6px}.mission p{margin:0;font-family:var(--hand);font-size:19px;line-height:1.8;color:#3e4a3f}.passage{background:var(--bg, #f6f8f5);border:1px solid var(--line, #e2e8e0);border-radius:10px;padding:8px 12px;margin-bottom:10px;font-size:.95em}.passage summary{cursor:pointer;color:var(--blue);font-weight:600}.passage-text{white-space:pre-wrap;line-height:1.8;margin-top:6px;max-height:50vh;overflow-y:auto}.group-label{font-size:.85rem;color:var(--muted, #6b7280);letter-spacing:.05em;margin:14px 0 6px}.stage-guide{padding-left:1.4em;margin-top:-4px}.stage-guide li{margin:2px 0}.brand{letter-spacing:4px;font-size:24px}.brand-sub{letter-spacing:1px}@media (max-width: 640px){.brand-sub{display:inline;font-size:11px;margin-left:4px;padding-left:6px}}.dotword{font-family:var(--hand);line-height:1;display:inline-block}.dian{line-height:1}.dian{position:relative;display:inline-block}.dian:after{content:"";position:absolute;width:.17em;height:.17em;border-radius:50%;background:var(--gold);left:.39em;bottom:.03em;box-shadow:0 0 0 .06em var(--halo),0 0 .4em .14em var(--halo)}.welcome-hand{font-size:clamp(34px,9.6vw,52px);line-height:1.3;white-space:nowrap}.welcome{position:relative}.welcome:before{content:"";position:absolute;left:-40px;top:10px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,var(--halo) 0%,transparent 68%);opacity:var(--glow);pointer-events:none;z-index:-1}.step.done span{background:var(--gold);border-color:var(--gold);color:#fff;box-shadow:0 0 0 4px var(--halo),0 0 14px 2px var(--halo)}.home-side{position:relative;z-index:0}@media (min-width: 900px){.welcome-hand{font-size:54px}}.brushword{display:inline-flex;align-items:flex-end;gap:1px;letter-spacing:0;isolation:isolate;color:var(--navy)}.brushword .bd{font-family:Yuji Boku,serif;font-size:40px;line-height:1;position:relative;display:inline-block;color:transparent;-webkit-background-clip:text;background-clip:text;background-image:radial-gradient(circle .16em at .82em .88em,var(--gold) 96%,var(--navy) 100%)}.brushword .bd:before{content:"";position:absolute;width:.56em;height:.56em;left:.54em;top:.6em;border-radius:50%;background:radial-gradient(circle,var(--halo),transparent 65%);z-index:-1}.brushword .wild{font-family:Zhi Mang Xing,cursive;font-size:25px;line-height:1;display:inline-block;transform:rotate(-6deg)}.brand:has(.brushword){align-items:flex-end}.brand:has(.brushword) .brand-sub{padding-bottom:4px}:root{--bg: #f9f6ee;--line: #e5ded0;--gold: #e3a83a;--halo: rgba(242,192,85,.38);--glow: .85;--card: #fffefa}body{background:var(--bg)}.topbar{background:#f9f6eef0}.card,.mini-stats>div{background:var(--card)}.spark{display:inline-block;width:.42em;height:.42em;margin-right:.35em;vertical-align:.14em;border-radius:50%;background:var(--gold);box-shadow:0 0 0 .12em var(--halo),0 0 .5em .15em var(--halo)}
