:root{--navy-950:#052430;--navy-900:#0a3445;--navy-800:#0f4d66;--navy-600:#1c7fa3;--gold:#ad8550;--gold-light:#c9a86c;--gold-pale:#e5cfa4;--cream:#fbf8f2;--paper:#ffffff;--ink:#1f2d33;--ink-soft:#5b6b72;--line:#e8e0d2;--aqua:#8fdce6;--peacock:#0a7f8c;--blue:#0a7f8c;--green:#0a7f8c;--teal:#0a7f8c;--rose:#c0605a}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Noto Sans TC,PingFang TC,sans-serif;background:var(--cream);color:var(--ink);line-height:1.8;font-size:16px;min-height:100vh}h1,h2,h3,.serif{font-family:"Noto Serif TC",Songti TC,serif}a{color:var(--navy-600)}button{font-family:inherit;cursor:pointer}.view[hidden]{display:none!important}.login-form{background:#f1faff0f;border:1px solid rgba(229,207,164,.3);border-radius:18px;padding:26px 22px}.login-form label{display:block;text-align:left;font-size:.85rem;color:var(--gold-pale);margin-bottom:8px;letter-spacing:.08em}.login-form input{width:100%;padding:13px 16px;border-radius:12px;border:1px solid rgba(229,207,164,.4);background:#05243099;color:#fff;font-size:1.1rem;letter-spacing:.15em;text-transform:uppercase;font-family:inherit}.login-form input::placeholder{letter-spacing:.05em;text-transform:none;color:#f1faff66}.login-err{color:#f2a5a5;font-size:.88rem;margin-top:10px;min-height:1.4em}.login-form h2{font-size:1.3rem;letter-spacing:.15em;color:#fff7e3;text-align:center}.login-form .lead{font-size:.88rem;color:#ffffffe6;margin:6px 0 16px;text-align:center}.login-form label{margin-top:12px}.login-form input.upper{text-transform:uppercase;letter-spacing:.12em}.login-form input[type=email],.login-form input[type=password]{text-transform:none;letter-spacing:.02em;font-size:1rem}.login-form .agree{display:flex!important;align-items:center;gap:8px;font-size:.85rem;color:#fff;margin-top:14px;letter-spacing:0}.login-form .agree input{width:18px;height:18px;flex:none;accent-color:var(--gold)}.login-form .agree a{color:#fff7e3}.login-switch{font-size:.85rem;color:#ffffffd9;margin-top:12px;text-align:center}.login-switch a{color:#fff7e3;font-weight:500}.policy{position:fixed;inset:0;z-index:200;background:#05141c99;display:flex;align-items:center;justify-content:center;padding:16px}.policy[hidden]{display:none}.policy-card{position:relative;background:#fff;border-radius:20px;max-width:560px;width:100%;max-height:90vh;overflow:auto;padding:28px 24px;color:var(--ink)}.policy-card h2{font-size:1.3rem;color:var(--navy-800);letter-spacing:.08em;margin-bottom:8px}.policy-card ol{padding-left:1.3em;display:flex;flex-direction:column;gap:10px;margin:14px 0;font-size:.92rem}.policy-card b{color:var(--navy-800)}.policy-co{font-size:.8rem;color:var(--ink-soft);text-align:right}.policy-close{position:absolute;top:14px;right:14px;background:none;border:1px solid var(--line);border-radius:999px;width:32px;height:32px}.wm{position:fixed;inset:0;z-index:150;pointer-events:none;background-repeat:repeat}.wm[hidden]{display:none}@media print{.wm{display:block!important}}.login-hint{font-size:.8rem;color:#f1faff8c;margin-top:18px}.login-hint a{color:var(--aqua)}footer.copy{text-align:center;font-size:.78rem;letter-spacing:.06em;color:var(--ink-soft);padding:24px 16px 32px;border-top:1px solid var(--line);max-width:1080px;margin:0 auto}footer.copy .co-logo{display:block;width:min(320px,80%);height:auto;margin:0 auto 12px}footer.copy.light{color:#f1faff80;border-top:none;margin-top:40px;padding-bottom:0}.hub-top{background:#1f6f86;padding:16px;display:flex;justify-content:center}.hub-top img{height:68px;width:auto}@media(max-width:640px){.hub-top img{height:56px}}.hub-hero{position:relative;background:#021a3d url(/images/hero-coach.jpg) right center/cover no-repeat;color:#fff;min-height:min(560px,80vh);display:flex;flex-direction:column;justify-content:center;padding:56px max(24px,6vw) 64px;text-align:left}.hub-hero>*{position:relative;max-width:min(560px,52%)}.hub-hero h1{font-size:clamp(2.2rem,4.6vw,3.6rem);line-height:1.2;letter-spacing:.04em;margin:0 0 26px;font-weight:700}.hub-hero h1 span{display:block;white-space:nowrap}.hub-hero h1 span:last-child{font-size:.82em}.hub-hero .eyebrow{display:flex;flex-direction:column;align-items:center;align-self:flex-start;width:max-content;color:#f2c94c;font-family:"Noto Serif TC",serif;font-weight:700;font-size:clamp(1.5rem,3vw,2.2rem);line-height:1.25;letter-spacing:.06em;margin:0 0 26px}.hub-hero .eyebrow .x{font-size:.8em;line-height:1.1}.hub-hero p{color:#9fd6ea;font-family:"Noto Serif TC",serif;font-size:clamp(1rem,1.6vw,1.2rem);line-height:1.7;text-align:center;align-self:flex-start}@media(max-width:760px){#view-hub .hub-hero{background:#021a3d url(/images/hero-coach.jpg) 66% bottom/auto 100% no-repeat;justify-content:flex-start;min-height:720px;padding:32px 14px 40px;text-align:left}#view-hub .hub-hero>*{max-width:58%}#view-hub .hub-hero h1{font-size:clamp(1.9rem,10vw,2.7rem);margin-bottom:22px}#view-hub .hub-hero h1 span:last-child{font-size:.72em}#view-hub .hub-hero .eyebrow{font-size:clamp(1.3rem,7vw,1.8rem);margin-bottom:24px}#view-hub .hub-hero p{font-size:clamp(.82rem,4.1vw,1rem)}}.hub-main{max-width:1080px;margin:0 auto;padding:32px 16px 40px}.hub-system{margin:0 0 28px;border-radius:20px;overflow:hidden;box-shadow:0 12px 34px #3c5a6e38;background:#bcd6df}.hub-system img{display:block;width:100%;height:auto}.hub-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));gap:16px}.hub-card{position:relative;text-align:left;background:#fff;border:1px solid var(--line);border-top:8px solid var(--c);border-radius:20px;padding:22px 20px 18px;display:flex;flex-direction:column;gap:6px;font-size:inherit;color:inherit;box-shadow:0 10px 30px #0b3a661f;transition:transform .2s,box-shadow .2s}.hub-card:hover{transform:translateY(-3px);box-shadow:0 16px 36px #0b3a662e}.hub-card .no{font-size:.75rem;letter-spacing:.2em;color:var(--ink-soft)}.hub-card .abbr{font-family:"Noto Serif TC",serif;font-size:2.4rem;font-weight:700;line-height:1.1;color:var(--c)}.hub-card .name{font-family:"Noto Serif TC",serif;font-size:1.15rem;font-weight:700;color:var(--navy-800)}.hub-card .headline{font-family:"Noto Serif TC",serif;font-size:1.05rem;font-weight:700;color:var(--ink)}.hub-card .tag{font-size:.75rem;color:var(--gold);letter-spacing:.06em}.hub-card .desc{font-size:.88rem;color:var(--ink-soft);line-height:1.7;flex:1;margin-top:4px}.hub-card .state{align-self:flex-start;margin-top:10px;font-size:.8rem;padding:4px 14px;border-radius:999px;border:1px solid var(--line);color:var(--ink-soft)}.hub-card[data-st=open] .state{background:var(--peacock);border-color:var(--peacock);color:#fff}.hub-card[data-st=login] .state{border-color:var(--gold-light);color:var(--gold)}.hub-card[data-st=locked] .state:before{content:"🔒 "}.hub-card[data-st=soon]{opacity:.85}.hub-msg{text-align:center;color:var(--peacock);font-size:.95rem;min-height:1.6em;margin:18px 0 0}.hub-login{max-width:440px;margin:18px auto 0;text-align:left;background:linear-gradient(160deg,#021a3d,#0b305a 55%,#1f6f86);color:#f1faff;border-radius:22px;padding:26px 22px}.hub-login .login-form{background:none;border:none;padding:0}.hub-user{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:22px;color:var(--ink-soft);font-size:.9rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:999px;padding:12px 26px;font-size:.95rem;letter-spacing:.06em;background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#fff;font-weight:500;transition:transform .15s,opacity .15s}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn.navy{background:var(--navy-800);color:#fff}.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink-soft)}.btn.full{width:100%;margin-top:16px}.btn.sm{padding:8px 16px;font-size:.85rem}header.top{position:sticky;top:0;z-index:20;background:var(--navy-950);color:#f1faff;border-bottom:1px solid rgba(229,207,164,.25)}header.top .in{max-width:1080px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:12px}header.top img{height:34px;width:auto;flex:none}header.top .t{flex:1;min-width:0}header.top .t b{display:block;font-family:"Noto Serif TC",serif;letter-spacing:.1em;font-size:1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}header.top .t span{display:block;font-size:.75rem;color:var(--gold-pale);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}header.top .who{font-size:.82rem;color:#f1faffcc;white-space:nowrap}header.top button{background:none;border:1px solid rgba(241,250,255,.3);color:#f1faffcc;border-radius:999px;padding:4px 12px;font-size:.75rem}.progress-line{height:3px;background:#f1faff1a}.progress-line i{display:block;height:100%;background:linear-gradient(90deg,var(--gold-light),var(--aqua));width:0;transition:width .6s}main{max-width:1080px;margin:0 auto;padding:28px 16px 48px}.hero{background:linear-gradient(160deg,#021a3d,#0b305a 55%,#1f6f86);color:#fff;border-radius:22px;padding:34px 30px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(201,168,108,.35),transparent 70%)}.hero .eyebrow{color:#d9b97a;letter-spacing:.25em;font-size:.78rem}.hero h1{font-size:2rem;letter-spacing:.1em;margin:6px 0 10px}.hero p{color:#9fd6ea;max-width:520px}.ring{width:120px;height:120px;position:relative;z-index:1}.ring svg{transform:rotate(-90deg)}.ring .num{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.ring .num b{font-size:1.6rem;font-family:"Noto Serif TC",serif;color:var(--gold-pale)}.ring .num span{font-size:.72rem;color:#ffffffeb}.welcome{margin:26px 4px 6px;font-size:1rem;color:var(--ink-soft)}.welcome b{color:var(--ink)}.chapter{margin-top:30px}.chapter-head{display:flex;align-items:baseline;gap:12px;margin-bottom:12px;flex-wrap:wrap}.chapter-head .no{font-family:"Noto Serif TC",serif;color:var(--gold);font-size:.9rem;letter-spacing:.15em}.chapter-head h2{font-size:1.3rem;letter-spacing:.06em}.chapter-head p{color:var(--ink-soft);font-size:.88rem;width:100%}.lesson-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr));gap:12px}.lesson-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:16px 18px;text-align:left;display:flex;gap:14px;align-items:flex-start;transition:border-color .2s,box-shadow .2s;color:inherit;font-size:inherit}.lesson-card:hover{border-color:var(--gold-light);box-shadow:0 6px 20px #05243014}.lesson-card .id{flex:none;width:44px;height:44px;border-radius:12px;background:var(--cream);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-family:"Noto Serif TC",serif;color:var(--navy-800);font-weight:700}.lesson-card.done .id{background:var(--navy-800);color:var(--gold-pale);border-color:var(--navy-800)}.lesson-card .body{flex:1;min-width:0}.lesson-card .title{font-weight:500;line-height:1.5}.lesson-card .meta{font-size:.78rem;color:var(--ink-soft);margin-top:6px;display:flex;gap:8px;flex-wrap:wrap;align-items:center}.chip{display:inline-block;font-size:.72rem;padding:1px 10px;border-radius:999px;border:1px solid var(--line);white-space:nowrap}.chip.todo{color:var(--ink-soft)}.chip.sub{color:var(--gold);border-color:#ad855073;background:#c9a86c14}.chip.done,.chip.cm{color:var(--peacock);border-color:#0a7f8c73;background:#0a7f8c12}.coach-card{margin-top:36px;display:flex;gap:18px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:20px}.coach-card img{width:72px;height:72px;border-radius:50%;object-fit:cover;flex:none}.coach-card p{font-size:.9rem;color:var(--ink-soft)}.coach-card p{flex:1}.coach-card .btn{flex:none;color:#fff}@media(max-width:640px){.coach-card{flex-direction:column;text-align:center}.coach-card .btn{width:100%}}.coach-card b{color:var(--ink)}.crumb{font-size:.85rem;color:var(--ink-soft);margin-bottom:14px}.crumb a{cursor:pointer;text-decoration:none}.lesson-head{margin-bottom:24px}.lesson-head .ch{color:var(--gold);letter-spacing:.15em;font-size:.82rem}.lesson-head h1{font-size:1.75rem;letter-spacing:.05em;line-height:1.4;margin-top:4px}.lesson-head .min{font-size:.8rem;color:var(--ink-soft);margin-top:6px}.content{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:28px 26px;display:flex;flex-direction:column;gap:22px}.content p{font-size:1rem}.b-list h3,.block-title{font-size:1.05rem;margin-bottom:8px;color:var(--navy-800)}.b-list ul,.b-list ol{padding-left:1.4em;display:flex;flex-direction:column;gap:6px}.callout{border-radius:14px;padding:18px 20px;border-left:4px solid var(--gold)}.callout.gold{background:#fbf3e3}.callout.navy{background:#eaf3f6;border-color:var(--navy-600)}.callout.peacock{background:linear-gradient(135deg,#00606f,#0a8a96);border-color:var(--gold-light);color:#fff}.callout.peacock b{color:var(--gold-pale)}.callout b{display:block;margin-bottom:4px;font-family:"Noto Serif TC",serif;font-size:1.02rem}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(180px,100%),1fr));gap:12px}.stat{text-align:center;padding:18px;border-radius:14px;background:var(--cream)}.stat b{display:block;font-family:"Noto Serif TC",serif;font-size:2.2rem;color:var(--navy-800);line-height:1.2}.stat span{font-size:.88rem;color:var(--ink-soft)}.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.two>div{border-radius:14px;padding:16px 18px}.two .good{background:#e3f3f4;border-left:4px solid var(--teal)}.two .bad{background:#fbeaea;border-left:4px solid #e8a3a3}.two b{display:block;margin-bottom:4px}.myths{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));gap:12px}.myth{border:1px solid var(--line);border-top:4px solid var(--blue);border-radius:14px;padding:16px 18px}.myth:nth-child(4n+2){border-top-color:var(--green)}.myth:nth-child(4n+3){border-top-color:var(--teal)}.myth:nth-child(4n+4){border-top-color:var(--gold-light)}.myth h4{font-family:"Noto Serif TC",serif;font-size:1.02rem;margin-bottom:8px;color:var(--navy-800)}.myth .wrong{font-size:.9rem;color:#8a6a3c;margin-bottom:8px}.myth .truth{font-size:.9rem;border-left:3px solid var(--gold-light);padding-left:10px;color:var(--ink-soft)}.venn{display:flex;justify-content:center}.venn svg{width:100%;max-width:420px;height:auto}.tree{border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}.tree .root{flex:none;width:84px;height:84px;border-radius:50%;background:linear-gradient(135deg,var(--gold-pale),var(--gold-light));display:flex;align-items:center;justify-content:center;font-family:"Noto Serif TC",serif;font-weight:700;font-size:1.1rem}.tree .branches{flex:1;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(170px,100%),1fr));gap:10px;min-width:220px}.tree .br b{display:inline-block;color:#fff;font-size:.82rem;padding:2px 10px;border-radius:6px;margin-bottom:6px}.tree .br ul{list-style:none;display:flex;flex-wrap:wrap;gap:4px}.tree .br li{font-size:.8rem;padding:1px 8px;border-radius:6px;border:1px solid var(--line);background:var(--cream)}.tree.green .br b{background:var(--green)}.tree.blue .br b{background:var(--blue)}.tree.teal .br b{background:var(--teal)}.funnel{display:flex;flex-direction:column;align-items:center;gap:4px}.funnel .lv{color:#fff;text-align:center;padding:14px 18px;clip-path:polygon(0 0,100% 0,92% 100%,8% 100%)}.funnel .lv b{display:block;font-family:"Noto Serif TC",serif;letter-spacing:.08em}.funnel .lv span{font-size:.85rem;opacity:.9}.compare{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));gap:12px}.cmp{border:1px solid var(--line);border-radius:14px;overflow:hidden;text-align:center}.cmp h4{background:var(--navy-800);color:#fff;padding:8px;font-size:.95rem;letter-spacing:.1em}.cmp .o,.cmp .n{padding:12px 14px;font-size:.88rem}.cmp .o{border-bottom:1px dashed var(--line);background:#fbeaea}.cmp .n{background:#fbf3e3}.cmp em{font-style:normal;display:inline-block;font-size:.78rem;padding:1px 10px;border-radius:6px;margin-bottom:6px;color:#fff}.cmp .o em{background:#e29a9a}.cmp .n em{background:var(--gold)}.cmp small{display:block;color:var(--ink-soft);margin-top:4px}.formula{background:var(--navy-950);color:var(--gold-pale);border-radius:14px;padding:18px 20px;font-family:"Noto Serif TC",serif;font-size:1.05rem;text-align:center;line-height:1.9}.tbl{overflow-x:auto}.tbl table{border-collapse:collapse;width:100%;min-width:520px;font-size:.88rem}.tbl th,.tbl td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}.tbl th{background:var(--navy-800);color:#fff;font-weight:500}.tbl td:first-child{font-weight:500;white-space:nowrap;background:var(--cream)}.quad{display:grid;grid-template-columns:1fr 1fr;gap:10px}.quad>div{border-radius:14px;padding:16px;background:var(--cream);border:1px solid var(--line)}.quad b{display:inline-block;background:var(--gold);color:var(--navy-950);border-radius:6px;padding:0 10px;margin-right:6px;font-size:.85rem}.steps{list-style:none;padding:0!important;counter-reset:st;display:grid!important;grid-template-columns:repeat(auto-fit,minmax(min(150px,100%),1fr));gap:10px!important}.steps li{counter-increment:st;position:relative;border:1px solid var(--line);border-radius:14px;padding:34px 14px 14px;background:var(--cream)}.steps li:before{content:counter(st);position:absolute;top:10px;left:14px;width:20px;height:20px;border-radius:6px;background:var(--gold-light);color:var(--navy-950);font-size:.78rem;font-weight:700;display:flex;align-items:center;justify-content:center}.steps b{display:block;color:var(--navy-800)}.steps em{display:block;font-style:normal;font-size:.78rem;color:var(--gold)}.steps span{display:block;font-size:.85rem;color:var(--ink-soft);margin-top:4px;line-height:1.6}.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));gap:10px}.metrics>div{border-radius:14px;padding:14px 16px;background:var(--navy-950);color:#f1faff}.metrics i{font-style:normal;display:inline-flex;width:22px;height:22px;border-radius:6px;background:var(--gold-light);color:var(--navy-950);align-items:center;justify-content:center;font-size:.8rem;font-weight:700;margin-right:8px}.metrics b{color:var(--gold-pale)}.metrics span{display:block;font-size:.88rem;margin-top:6px;color:#f1faffd9}.checks{display:flex;flex-direction:column;gap:6px}.checks label{display:flex!important;gap:10px;align-items:flex-start;font-weight:400!important;cursor:pointer;margin:0!important;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:var(--cream)}.field .checks input{width:18px;height:18px;padding:0;margin-top:5px;border-radius:4px;accent-color:var(--navy-800);flex:none;background:none}.prop-preview{margin-top:16px;border-radius:16px;overflow:hidden;border:1px solid rgba(229,207,164,.35);background:#fff}.prop-preview iframe{display:block;width:100%;height:720px;border:0}.ai-box .hint{display:block;color:#f1faff8c;font-size:.8rem;margin:-2px 0 6px}.ai-box .copy{position:relative;background:#f1faff12;border:1px solid rgba(229,207,164,.25);border-radius:12px;padding:12px 14px;margin-top:8px}.ai-box .copy button{position:absolute;top:8px;right:8px;background:#e5cfa426;border:1px solid rgba(229,207,164,.4);color:var(--gold-pale);border-radius:999px;font-size:.72rem;padding:2px 10px}.ai-box .copy p{padding-right:56px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(200px,100%),1fr));gap:12px}.card{border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:#fff;border-top:4px solid var(--blue)}.card:nth-child(4n+2){border-top-color:var(--green)}.card:nth-child(4n+3){border-top-color:var(--teal)}.card:nth-child(4n+4){border-top-color:var(--gold-light)}.card .k{display:inline-flex;min-width:30px;height:30px;padding:0 8px;border-radius:999px;align-items:center;justify-content:center;background:var(--navy-950);color:var(--gold-pale);font-family:"Noto Serif TC",serif;font-weight:700;font-size:.9rem;margin-right:8px}.card h4{display:inline;font-family:"Noto Serif TC",serif;font-size:1.05rem;color:var(--navy-800)}.card p{font-size:.9rem;color:var(--ink-soft);margin-top:8px}.embed{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--navy-950)}.embed .bar{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;color:var(--gold-pale);font-size:.85rem}.embed .bar a{color:var(--aqua);white-space:nowrap}.embed iframe{display:block;width:100%;border:0;background:#fff}.handout-banner{display:flex;align-items:center;gap:14px;width:100%;margin-top:18px;text-align:left;background:linear-gradient(135deg,#0b305a,#1f6f86);color:#fff;border:none;border-radius:18px;padding:16px 20px;font-size:inherit}.handout-banner .ico{font-size:1.8rem}.handout-banner b{display:block;font-family:"Noto Serif TC",serif;font-size:1.1rem;letter-spacing:.1em}.handout-banner small{color:#cdeff2;font-size:.82rem}.handout-banner .go{margin-left:auto;white-space:nowrap;color:var(--gold-pale);font-size:.88rem}.handout-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(150px,45%),1fr));gap:12px;margin-top:6px}.handout-grid.inline{grid-template-columns:repeat(auto-fill,minmax(min(130px,45%),1fr))}.handout-thumb{background:#fff;border:1px solid var(--line);border-radius:12px;padding:6px;display:flex;flex-direction:column;gap:6px;font-size:.78rem;color:var(--ink-soft);text-align:center;transition:transform .15s,box-shadow .15s}.handout-thumb:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0524301f}.handout-thumb img{width:100%;aspect-ratio:989/1400;object-fit:cover;border-radius:8px;background:#e3edf1}.viewer{position:fixed;inset:0;z-index:100;background:#05141ceb;display:flex;flex-direction:column}.viewer[hidden]{display:none}.viewer-bar{display:flex;justify-content:space-between;align-items:center;color:#fff;padding:10px 16px;font-size:.9rem}.viewer-bar button{background:none;border:1px solid rgba(255,255,255,.4);color:#fff;border-radius:999px;width:34px;height:34px;font-size:1rem}.viewer-body{flex:1;display:flex;align-items:center;justify-content:center;padding:0 10px;min-height:0}.viewer-body img{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px;user-select:none;-webkit-user-drag:none}.viewer-foot{display:flex;justify-content:center;gap:12px;padding:12px 16px 18px}.viewer-nav{background:#ffffff1f;border:1px solid rgba(255,255,255,.25);color:#fff;font-size:.95rem;padding:10px 22px;border-radius:999px}.viewer-nav:disabled{opacity:.2}.scores{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(150px,100%),1fr));gap:8px}.scores label{display:flex!important;align-items:center;justify-content:space-between;gap:8px;font-weight:400!important;margin:0!important;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:var(--cream)}.scores select{font-family:inherit;font-size:.95rem;padding:4px 6px;border-radius:8px;border:1px solid var(--line);background:#fff}.hw{margin-top:26px;background:var(--paper);border:1px solid var(--gold-light);border-radius:20px;padding:26px 26px 28px;box-shadow:0 8px 30px #ad855014}.hw h2{font-size:1.25rem;color:var(--navy-800);margin-bottom:4px}.hw .intro{color:var(--ink-soft);font-size:.9rem;margin-bottom:18px}.field{margin-bottom:16px}.field label{display:block;font-weight:500;margin-bottom:6px;font-size:.95rem}.field input,.field textarea{width:100%;padding:11px 14px;border-radius:12px;border:1px solid var(--line);background:var(--cream);font-family:inherit;font-size:.95rem;color:var(--ink);line-height:1.7;resize:vertical}.field input:focus,.field textarea:focus{outline:none;border-color:var(--gold);background:#fff}.composed{background:#fbf3e3;border-radius:12px;padding:14px 16px;margin:4px 0 16px;font-family:"Noto Serif TC",serif}.composed small{display:block;font-family:Noto Sans TC,sans-serif;color:var(--gold);font-size:.78rem;letter-spacing:.1em}.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:8px}.saved-note{font-size:.82rem;color:var(--green)}.err-note{font-size:.85rem;color:var(--rose)}.ai-box{margin-top:22px;border-radius:18px;background:linear-gradient(160deg,#0a2a4f,#0f4d66);color:#f1faff;padding:24px 24px 26px}.ai-box .tag{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;letter-spacing:.2em;color:var(--gold-pale);margin-bottom:10px}.ai-box .tag:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--aqua);box-shadow:0 0 10px var(--aqua)}.ai-box h3{font-size:1.15rem;margin:14px 0 6px;color:var(--gold-pale)}.ai-box p,.ai-box li{color:#f1faffeb;font-size:.95rem}.ai-box ul{padding-left:1.3em;display:flex;flex-direction:column;gap:4px}.ai-box .q{background:#f1faff12;border:1px solid rgba(229,207,164,.25);border-radius:14px;padding:14px 16px;margin-top:12px}.ai-box .q b{color:var(--gold-pale);display:block;margin-bottom:8px;font-weight:500}.ai-box textarea{width:100%;padding:10px 12px;border-radius:10px;border:1px solid rgba(229,207,164,.35);background:#05243080;color:#fff;font-family:inherit;font-size:.95rem;line-height:1.7;resize:vertical}.ai-box .field label{color:var(--gold-pale)}.ai-box .field textarea{background:#05243080;color:#fff;border-color:#e5cfa459}.ai-box .grid4{display:grid;grid-template-columns:1fr 1fr;gap:10px}.ai-box .cell{background:#f1faff12;border-radius:12px;padding:12px 14px}.ai-box .cell b{color:var(--gold-pale);font-size:.85rem;letter-spacing:.08em}.ai-box .track{background:#f1faff12;border:1px solid rgba(229,207,164,.25);border-radius:14px;padding:16px;margin-top:10px}.ai-box .track h4{font-family:"Noto Serif TC",serif;color:#fff;font-size:1.05rem;margin-bottom:6px}.ai-box .track dl{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:.9rem}.ai-box .track dt{color:var(--gold-pale);white-space:nowrap}.ai-box .kw{display:flex;flex-wrap:wrap;gap:8px}.ai-box .kw span{border:1px solid var(--gold-light);color:var(--gold-pale);border-radius:999px;padding:2px 14px;font-size:.88rem}.ai-box .muted{font-size:.75rem;color:#f1faff73;margin-top:14px}.ai-box .btn.ghost{border-color:#f1faff4d;color:#f1faffcc}.loading{display:flex;align-items:center;gap:12px;color:var(--gold-pale);font-size:.95rem}.loading i{width:18px;height:18px;border-radius:50%;border:2px solid rgba(229,207,164,.3);border-top-color:var(--gold-pale);animation:spin 1s linear infinite;flex:none}@keyframes spin{to{transform:rotate(360deg)}}.done-banner{margin-top:16px;padding:12px 16px;border-radius:12px;background:#8fdce61f;border:1px solid rgba(143,220,230,.4);color:var(--aqua);font-size:.9rem}.coach-comment{margin-top:22px;border-radius:16px;border:1px solid rgba(10,127,140,.35);background:#e3f3f4;padding:18px 20px;display:flex;gap:14px}.coach-comment img{width:46px;height:46px;border-radius:50%;object-fit:cover;flex:none}.coach-comment b{color:var(--teal);font-size:.85rem;letter-spacing:.1em}.coach-comment p{white-space:pre-wrap;font-size:.95rem;margin-top:4px}.pager{display:flex;justify-content:space-between;gap:10px;margin-top:30px;flex-wrap:wrap}@media(max-width:640px){.hero{grid-template-columns:1fr;padding:26px 20px}.hero h1{font-size:1.6rem}.ring{width:96px;height:96px}.content,.hw{padding:22px 18px}.two,.quad,.ai-box .grid4{grid-template-columns:1fr}.lesson-head h1{font-size:1.45rem}header.top .who{display:none}header.top img{height:26px}header.top .t b{font-size:.92rem}.ai-box{padding:20px 16px}}@media(max-width:420px){header.top img{display:none}header.top .in{gap:8px}header.top button{padding:4px 9px}}@media print{header.top,.hw .actions,.pager,.crumb,.content,.ai-box .btn{display:none!important}body{background:#fff}.ai-box{background:#fff;color:#000}.ai-box p,.ai-box li,.ai-box h3,.ai-box .tag{color:#000}}