:root{--bg-deep:#060b16;--bg-panel:#0b1220;--bg-raised:#101b33;--blue:#2f80ed;--purple:#7c5cff;--cyan:#22d3ee;--text:#f5f7fa;--muted:#9aa7b8;--divider:#243047;--yellow:#ffd166;--green:#4ade80;--red:#ff5c7a;--font-zh:"Noto Sans TC",system-ui,sans-serif;--font-en:"Space Grotesk","Noto Sans TC",system-ui,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:var(--font-zh);color:var(--text);background:radial-gradient(900px 500px at 15% -10%,rgba(47,128,237,.18),transparent 60%),radial-gradient(800px 500px at 90% 0,rgba(124,92,255,.16),transparent 55%),radial-gradient(700px 600px at 50% 120%,rgba(34,211,238,.08),transparent 60%),var(--bg-deep);min-height:100vh;-webkit-font-smoothing:antialiased;overflow-x:hidden}.en{font-family:var(--font-en)}.bg-formulas{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}.bg-formulas span{position:absolute;font-family:var(--font-en);color:rgba(154,167,184,.1);font-size:30px;white-space:nowrap;animation:drift 26s linear infinite}@keyframes drift{0%{transform:translateY(20px);opacity:0}10%{opacity:1}90%{opacity:1}to{transform:translateY(-120px);opacity:0}}.wrap{position:relative;z-index:1;max-width:760px;margin:0 auto;padding:0 20px 80px}.topbar{justify-content:flex-end;padding:20px 0 8px;min-height:40px}.logo,.topbar{display:flex;align-items:center}.logo{gap:10px;font-weight:700;font-size:19px;letter-spacing:.5px}.logo img{height:34px;width:auto;display:block}.logo .mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--purple));display:grid;place-items:center;color:#fff;font-size:16px;box-shadow:0 0 16px rgba(47,128,237,.55)}.logo small{color:var(--muted);font-weight:400;font-size:12px}.quota{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--text);background:rgba(255,209,102,.1);border:1px solid rgba(255,209,102,.35);padding:6px 12px;border-radius:999px}.quota b{color:var(--yellow);font-family:var(--font-en)}.earn{display:inline-flex;align-items:center;gap:5px;cursor:pointer;white-space:nowrap;font-family:var(--font-zh);font-size:12px;color:var(--cyan);background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.3);padding:6px 12px;border-radius:999px;transition:all .15s}.earn:hover{border-color:var(--cyan);background:rgba(34,211,238,.14)}.topbar-right{gap:10px;flex-wrap:wrap;justify-content:flex-end}.topbar-right,.userchip{display:flex;align-items:center}.userchip{gap:8px;font-size:12px;color:var(--muted)}.uemail{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text)}.gsignin{position:relative;display:inline-block;line-height:0;overflow:hidden}.gsignin-face{display:inline-flex;align-items:center;gap:8px;font-size:13px;line-height:1;color:var(--text);font-family:var(--font-zh);background:hsla(0,0%,100%,.05);border:1px solid var(--divider);padding:9px 16px;border-radius:999px;white-space:nowrap;transition:border-color .15s}.gsignin:hover .gsignin-face{border-color:rgba(34,211,238,.5)}.gsignin-real{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:220px;height:46px;opacity:0;overflow:hidden;cursor:pointer}.hero{text-align:center;padding:28px 0 26px}.hero-logo{margin-bottom:18px;line-height:0}.hero-logo img{height:60px;width:auto;display:inline-block;filter:drop-shadow(0 0 18px rgba(34,211,238,.25))}.hero h1{font-size:40px;line-height:1.2;margin:0 0 12px;font-weight:700}.hero h1 .glow{color:var(--cyan);text-shadow:0 0 22px rgba(34,211,238,.5)}.hero p{color:var(--muted);font-size:16px;margin:0}.howbar{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:0 0 24px}.howbar .hb{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text);white-space:nowrap;background:rgba(34,211,238,.06);border:1px solid rgba(34,211,238,.22);padding:8px 15px;border-radius:999px}.howbar .hb b{color:var(--yellow);font-family:var(--font-en)}.howbar .hb .d{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan);flex-shrink:0}.console{position:relative;background:linear-gradient(180deg,rgba(16,27,51,.85),rgba(11,18,32,.85));border:1px solid rgba(47,128,237,.35);border-radius:18px;padding:22px;box-shadow:0 0 0 1px rgba(34,211,238,.06),0 20px 60px rgba(0,0,0,.45),inset 0 0 50px rgba(47,128,237,.06)}.console:after,.console:before{content:"";position:absolute;width:26px;height:26px;pointer-events:none}.console:before{top:-1px;left:-1px;border-top:2px solid var(--cyan);border-left:2px solid var(--cyan);border-top-left-radius:18px}.console:after{bottom:-1px;right:-1px;border-bottom:2px solid var(--cyan);border-right:2px solid var(--cyan);border-bottom-right-radius:18px}.console-label{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;margin-bottom:14px}.dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green)}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.chip{font-size:13px;padding:7px 14px;border-radius:999px;cursor:pointer;background:hsla(0,0%,100%,.04);color:var(--muted);border:1px solid var(--divider);transition:all .15s}.chip:hover{color:var(--text);border-color:rgba(47,128,237,.5)}.chip.on{color:#fff;border-color:transparent;background:linear-gradient(135deg,var(--blue),var(--purple));box-shadow:0 0 14px rgba(124,92,255,.5)}textarea{width:100%;min-height:104px;resize:vertical;background:rgba(6,11,22,.7);color:var(--text);border:1px solid var(--divider);border-radius:12px;padding:14px;font-family:var(--font-zh);font-size:15px;line-height:1.6;outline:none;transition:border-color .15s}textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.12)}textarea::placeholder{color:#5d6b7e}.droparea{position:relative}.droparea.drag textarea{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.18)}.droparea .drop-hint{position:absolute;inset:0;z-index:2;pointer-events:none;border-radius:12px;border:2px dashed var(--cyan);background:rgba(6,11,22,.85);color:var(--cyan);justify-content:center;font-size:15px;font-weight:500}.droparea .drop-hint,.tools{display:flex;align-items:center}.tools{gap:10px;margin-top:12px;flex-wrap:wrap}.upload{display:inline-flex;align-items:center;gap:7px;cursor:pointer;font-size:13px;color:var(--text);background:hsla(0,0%,100%,.05);border:1px solid var(--divider);padding:9px 14px;border-radius:10px;transition:all .15s}.upload:hover{border-color:rgba(34,211,238,.5)}.upload input{display:none}.thumb{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}.thumb img{width:38px;height:38px;object-fit:cover;border-radius:8px;border:1px solid var(--divider);cursor:pointer}.thumb button{background:none;border:none;color:var(--red);cursor:pointer;font-size:12px}.thumb .thumb-edit{color:var(--cyan);border:1px solid var(--divider);border-radius:8px;padding:5px 10px}.thumb .thumb-edit:hover{border-color:rgba(34,211,238,.5)}.editor{width:100%;max-width:560px;max-height:92vh;overflow:auto;background:var(--bg-raised);border:1px solid rgba(124,92,255,.4);border-radius:18px;padding:18px;box-shadow:0 0 50px rgba(124,92,255,.3)}.ed-head{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:500;margin-bottom:12px}.ed-head .newq{margin-left:auto}.ed-stage{text-align:center}.ed-frame{position:relative;display:inline-block;line-height:0;max-width:100%;overflow:hidden;border-radius:10px}.ed-frame img{display:block;max-width:100%;max-height:55vh;width:auto;height:auto;border:1px solid var(--divider);border-radius:10px;touch-action:none;-moz-user-select:none;user-select:none;-webkit-user-select:none;cursor:crosshair}.ed-sel{position:absolute;border:2px solid var(--cyan);background:rgba(34,211,238,.14);box-shadow:0 0 0 9999px rgba(3,6,14,.5);pointer-events:none}.ed-tools{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 10px}.ed-btn{flex:1 1;min-width:92px;font-family:var(--font-zh);font-size:13px;cursor:pointer;color:var(--text);background:hsla(0,0%,100%,.05);border:1px solid var(--divider);border-radius:10px;padding:10px}.ed-btn:hover:not(:disabled){border-color:rgba(34,211,238,.5)}.ed-btn:disabled{opacity:.5;cursor:not-allowed}.ed-hint{font-size:12px;color:var(--muted);margin-bottom:14px;line-height:1.6}.cta{width:100%;margin-top:16px;cursor:pointer;font-family:var(--font-zh);font-weight:700;font-size:17px;color:#fff;background:linear-gradient(135deg,var(--blue),var(--purple));border:none;border-radius:12px;padding:15px;box-shadow:0 0 22px rgba(47,128,237,.45);transition:transform .1s,box-shadow .2s;display:flex;align-items:center;justify-content:center;gap:9px}.cta:hover{box-shadow:0 0 34px rgba(124,92,255,.6)}.cta:active{transform:scale(.99)}.cta:disabled{opacity:.6;cursor:not-allowed;box-shadow:none}.scanning{position:relative;overflow:hidden}.scanline{position:absolute;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);box-shadow:0 0 14px var(--cyan);animation:scan 1.3s ease-in-out infinite}@keyframes scan{0%{top:4%}50%{top:96%}to{top:4%}}.progress{margin-top:16px}.progress .label{color:var(--cyan);font-size:13px;margin-bottom:8px;display:flex;align-items:center;gap:8px}.bar{height:5px;background:hsla(0,0%,100%,.06);overflow:hidden}.bar,.bar i{border-radius:999px}.bar i{display:block;height:100%;width:40%;background:linear-gradient(90deg,var(--blue),var(--cyan));animation:load 1.1s ease-in-out infinite}@keyframes load{0%{margin-left:-40%}to{margin-left:100%}}.answer{margin-top:22px;display:grid;grid-gap:12px;gap:12px}.acard{background:rgba(16,27,51,.7);border-radius:14px;padding:16px 18px;border:1px solid var(--divider);border-left:3px solid var(--blue)}.acard.is-answer{border-left-color:var(--green);background:rgba(74,222,128,.06)}.acard .h{font-size:13px;color:var(--cyan);font-weight:500;margin-bottom:8px;letter-spacing:.5px}.acard.is-answer .h{color:var(--green)}.acard .b{font-size:15px;line-height:1.75;color:var(--text);white-space:pre-wrap}.demo-tag{display:inline-block;font-size:11px;color:var(--yellow);border:1px solid rgba(255,209,102,.4);border-radius:6px;padding:2px 8px;margin-bottom:10px}.console.asked .console-label{margin-bottom:12px}.newq{margin-left:auto;cursor:pointer;font-family:var(--font-zh);font-size:12px;color:var(--text);background:hsla(0,0%,100%,.05);border:1px solid var(--divider);padding:6px 12px;border-radius:8px}.newq:hover{border-color:rgba(34,211,238,.5)}.asked-img{display:block;max-width:200px;max-height:200px;border-radius:10px;border:1px solid var(--divider);margin-top:6px}.asked-q{margin-top:10px;font-size:15px;line-height:1.6;color:var(--text);white-space:pre-wrap}.loginbar{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin:0 0 18px;font-size:13px;color:var(--muted)}.loginbar b{color:var(--text);font-weight:500}.loginbar .newq{margin-left:0}.qlist{display:flex;flex-direction:column;gap:8px;margin:14px 0 4px}.qitem{display:flex;gap:11px;align-items:flex-start;padding:12px 14px;border:1px solid var(--divider);border-radius:10px;cursor:pointer;background:rgba(6,11,22,.5);font-size:14px;line-height:1.55;color:var(--text);transition:border-color .15s,background .15s}.qitem.on{border-color:rgba(34,211,238,.5);background:rgba(34,211,238,.06)}.qitem input{margin-top:3px;accent-color:var(--cyan);flex-shrink:0}.qitem span{white-space:pre-wrap}.selinfo{font-size:13px;color:var(--muted);margin:12px 0;text-align:center}.selinfo b{color:var(--cyan);font-family:var(--font-en)}.qhead{font-size:13px;color:var(--cyan);margin-bottom:10px;font-weight:500;white-space:pre-wrap;line-height:1.5}.adslot{margin-top:22px;border:1px dashed var(--divider);border-radius:12px;padding:18px;text-align:center;color:#5d6b7e;font-size:12px;background:hsla(0,0%,100%,.015)}.overlay{position:fixed;inset:0;z-index:50;background:rgba(3,6,14,.78);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px}.gate{width:100%;max-width:380px;text-align:center;background:var(--bg-raised);border:1px solid rgba(124,92,255,.4);border-radius:18px;padding:28px 24px;box-shadow:0 0 50px rgba(124,92,255,.3)}.gate h3{margin:0 0 8px;font-size:19px}.gate p{margin:0 0 18px;color:var(--muted);font-size:14px}.gate .video{height:150px;border-radius:12px;margin-bottom:18px;background:linear-gradient(135deg,#0a1326,#1a1340);border:1px solid var(--divider);display:grid;place-items:center;font-size:15px}.gate .countdown,.gate .video{color:var(--cyan);font-family:var(--font-en)}.gate .countdown{font-size:34px}.btn{width:100%;cursor:pointer;font-family:var(--font-zh);font-weight:500;font-size:15px;color:#fff;border:none;border-radius:11px;padding:13px;background:linear-gradient(135deg,var(--blue),var(--purple))}.btn.ghost{background:none;border:1px solid var(--divider);color:var(--muted);margin-top:10px}.btn:disabled{opacity:.55;cursor:default}footer{text-align:center;color:#4a5667;font-size:12px;margin-top:40px}footer a{color:#6b7a8d}.legal{padding-top:8px}.legal h1{font-size:26px;margin:22px 0 4px}.legal h2{font-size:17px;margin:26px 0 8px;color:var(--cyan);font-weight:500}.legal li,.legal p{font-size:15px;line-height:1.85;color:var(--text)}.legal .upd{color:var(--muted);font-size:13px;margin:0 0 16px}.legal a{color:var(--cyan)}.legal ul{padding-left:20px;margin:8px 0}.legal b{font-weight:500}.legal footer{text-align:left;margin-top:36px;padding-top:16px;border-top:1px solid var(--divider)}.artlist{display:grid;grid-gap:12px;gap:12px;margin:20px 0 8px}.artcard{display:block;text-decoration:none;background:rgba(16,27,51,.5);border:1px solid var(--divider);border-radius:12px;padding:16px 18px;transition:border-color .15s,background .15s}.artcard:hover{border-color:rgba(34,211,238,.5);background:rgba(34,211,238,.05)}.artcard h2{margin:0 0 6px;font-size:16px;color:var(--text)}.artcard p{margin:0;font-size:14px;color:var(--muted);line-height:1.6}@media (max-width:560px){.hero h1{font-size:30px}.wrap{padding:0 14px 60px}.uemail{display:none}}.fb{display:flex;align-items:center;gap:8px;margin-top:4px;flex-wrap:wrap}.fb .q{margin-right:4px}.fb .q,.fb button{font-size:12px;color:var(--muted)}.fb button{font-family:var(--font-zh);cursor:pointer;background:hsla(0,0%,100%,.04);border:1px solid var(--divider);border-radius:8px;padding:6px 11px}.fb button:hover{color:var(--text);border-color:rgba(34,211,238,.5)}.fb .done{font-size:12px;color:var(--green)}.admin{max-width:920px;margin:0 auto;padding:24px 20px 80px;position:relative;z-index:1}.admin h2{font-size:20px;margin:0}.admin .tabs{display:flex;gap:8px;margin:18px 0;border-bottom:1px solid var(--divider)}.admin .tabs button{font-family:var(--font-zh);font-size:14px;cursor:pointer;color:var(--muted);background:none;padding:10px 4px;border:none;border-bottom:2px solid transparent;margin-bottom:-1px}.admin .tabs button.on{color:var(--cyan);border-bottom-color:var(--cyan)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));grid-gap:12px;gap:12px}.scard{background:var(--bg-panel);border:1px solid var(--divider);border-radius:12px;padding:14px 16px}.scard .k{font-size:12px;color:var(--muted)}.scard .v{font-size:24px;font-weight:700;font-family:var(--font-en);margin-top:4px}.scard .v small{font-size:13px;color:var(--muted);font-weight:400}.capbar{margin:16px 0}.capbar .row{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:6px}.capbar .track{height:8px;background:hsla(0,0%,100%,.06);border-radius:999px;overflow:hidden}.capbar .track i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--cyan))}.panel{background:var(--bg-panel);border:1px solid var(--divider);border-radius:12px;padding:16px;margin-top:16px}.panel h3{font-size:14px;margin:0 0 12px;color:var(--text)}table.t{width:100%;border-collapse:collapse;font-size:13px}table.t th{text-align:left;color:var(--muted);font-weight:400;padding:8px 10px;border-bottom:1px solid var(--divider);font-size:12px}table.t td{padding:9px 10px;border-bottom:1px solid rgba(36,48,71,.5);color:var(--text)}table.t tr.click{cursor:pointer}table.t tr.click:hover td{background:rgba(47,128,237,.08)}.tag{font-size:11px;padding:2px 8px;border-radius:6px}.tag.ok{background:rgba(74,222,128,.12);color:var(--green)}.tag.wrong{background:rgba(255,92,122,.12);color:var(--red)}.tag.confused{background:rgba(255,209,102,.14);color:var(--yellow)}.tag.fail{background:rgba(255,92,122,.12);color:var(--red)}.login-box{max-width:340px;margin:80px auto;text-align:center;background:var(--bg-raised);border:1px solid var(--divider);border-radius:16px;padding:28px 24px;position:relative;z-index:1}.login-box input{width:100%;background:#060b16;color:var(--text);border:1px solid var(--divider);border-radius:10px;padding:12px;font-size:15px;margin:14px 0}.login-box .err{color:var(--red);font-size:13px;min-height:18px}.muted-link{background:none;border:none;color:var(--muted);cursor:pointer;font-size:13px;font-family:var(--font-zh)}