/* Book 1: Beginning family, cream paper and light pink accents. */
:root{--cream:#faf6ee;--cream-2:#fcf9f3;--paper-line:#e9ddd5;--green:#3c5148;--green-2:#50685b;--green-line:#bac8bd;--gold:#936b60;--gold-bg:#fff7f0;--pink:#f5dfe5;--pink-deep:#935b6a;--ink:#35423b;--ink-soft:#6a716b;--red:#ad4d4a;--red-bg:#fbefed;--radius:18px;--shadow:0 4px 20px #564b4210;--rose:#885364}
body{background:var(--cream);color:var(--ink);font-family:'Noto Sans TC','PingFang TC','Microsoft JhengHei',sans-serif;font-size:16px;line-height:1.85}
button,input,textarea,select{font:inherit}button,a,input,textarea,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid #b87188;outline-offset:4px}
[hidden]{display:none!important}
.book-brand{max-width:960px;margin:0 auto;padding:20px 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--paper-line)}
.book-brand a{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--green)}.book-brand img{height:48px;width:48px;border-radius:50%;object-fit:contain}.brand-name{font-size:15px;font-weight:900;letter-spacing:.12em}.brand-sub{display:block;font-size:10px;letter-spacing:.16em;font-weight:500;color:var(--ink-soft)}.brand-edition{font-size:12px;color:var(--rose);background:var(--pink);border-radius:30px;padding:5px 13px;white-space:nowrap}
.hero{max-width:960px;margin:0 auto;background:none;color:var(--ink);padding:40px 28px 30px;text-align:left;border-bottom:1px solid var(--paper-line)}
.hero .tag{background:var(--pink);color:var(--rose);font-size:11px;letter-spacing:.1em;font-weight:700;padding:5px 14px;margin-bottom:16px}.hero h1{color:var(--green);font-size:clamp(27px,4vw,38px);font-family:'Noto Serif TC','Songti TC',serif;letter-spacing:.025em;font-weight:900;line-height:1.45}.hero p{color:var(--ink-soft);font-size:15px;line-height:1.9;margin-top:12px;max-width:640px}.hero .ph{display:none}
.map{max-width:960px;padding:22px 28px 12px}.map-title{font-size:12px;letter-spacing:.04em;color:var(--ink-soft);margin-bottom:12px}.map-row{gap:8px}.wk{padding:11px 4px;border-width:1px;background:#fffdf9;color:var(--ink-soft);border-radius:12px;font-size:11px;line-height:1.6}.wk b{font-size:12px;font-weight:700;color:var(--green)}.wk.now{background:var(--pink);border-color:#d9aab7;color:var(--rose)}.wk.now b{color:var(--rose)}.wk.rv{background:#f4eee4;border-color:#dfd3c1}a.wk:hover{background:#faeaf0;border-color:#c48e9e}.weeknav{margin-top:14px;gap:10px}.weeknav .btn{font-size:12px;padding:7px 14px}
nav.sec{max-width:960px;margin:10px auto 0;padding:0 16px;background:#faf6eef5;backdrop-filter:blur(10px);border-top:1px solid var(--paper-line);border-bottom:1px solid var(--paper-line);gap:4px;scroll-padding:16px}nav.sec a{color:var(--ink-soft);font-size:13px;font-weight:500;padding:14px 12px;border-bottom:2px solid transparent}nav.sec a.on{color:var(--rose);border-bottom-color:#b27689;background:#f9eaf0}nav.sec a:hover{color:var(--rose)}
main{max-width:840px;padding:36px 28px 80px;margin:0 auto}section{margin-bottom:46px;scroll-margin-top:76px}.layer{font-weight:500;font-size:11px;letter-spacing:.08em;padding:3px 11px;margin-bottom:10px}.layer.core{background:var(--pink);color:var(--rose)}.layer.review{background:#eee6d9;color:#765c43}.layer.extra{background:transparent;color:var(--ink-soft);border:1px solid var(--paper-line)}h2{font-size:21px;margin-bottom:18px;letter-spacing:.015em;font-weight:700}h3{font-size:16px;margin:24px 0 12px}.card{background:#fffdfa;padding:26px;border:1px solid var(--paper-line);box-shadow:none;border-radius:18px;margin-bottom:16px}.muted{font-size:13px;line-height:1.9}.goals li{font-size:15px;padding:12px 0 12px 32px;border-bottom:1px solid #eee6de}.goals li::before{top:14px;background:var(--pink);color:var(--rose)}
.learning-route{display:flex;gap:0;flex-wrap:wrap;padding:14px 0 0;margin-top:17px;border-top:1px solid var(--paper-line);font-size:12px;color:var(--ink-soft)}.learning-route span+span::before{content:'→';padding:0 10px;color:#b2988d}.week-outcome{background:#f9e9ee;border-left:3px solid #d7a9b8;border-radius:0 10px 10px 0;padding:13px 16px;font-size:14px;line-height:1.9;margin-top:18px}.week-outcome strong{font-weight:700;color:var(--rose)}
.vgrid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.chip{border:1px solid var(--paper-line);border-radius:12px;background:var(--cream-2);padding:15px 8px;min-height:83px;transition:background .15s,border-color .15s}.chip .k{font-size:19px;line-height:1.6}.chip .z{font-size:12px;margin-top:4px}.chip .p{font-size:11px;color:var(--rose)}.chip::after{top:7px;right:7px;opacity:.55;font-size:10px}.chip:hover,.chip:active{background:#f9e8ee;border-color:#d4a7b7}.chip:hover .k,.chip:active .k{color:var(--green)}.chip:hover .z,.chip:active .z{color:var(--ink-soft)}.vcat{font-size:13px;color:var(--rose);font-weight:700;margin:20px 0 11px}
.rule{background:#faeaf0;border:1px solid #efd4de;color:var(--ink);padding:20px;border-radius:13px}.rule .f{font-size:23px;color:var(--green);line-height:1.8;overflow-wrap:anywhere}.rule .f span{color:var(--rose)!important}.rule .d{color:#755b65;font-size:14px;margin-top:7px}.video-wrap{align-items:stretch;gap:20px}.vbox{background:#f6f0e6;border:1px solid var(--paper-line);border-radius:14px;flex-basis:160px;max-height:285px;color:var(--ink-soft);font-size:12px}.vbox .ic{font-size:24px}.vbox .st{font-size:11px;color:var(--ink-soft)}.video-wrap .vnotes{padding:0}.vvid-ph,.audio-ph{background:#fbf4f1;border:1px solid #eadad6;border-radius:12px;font-size:13px;padding:14px 16px}.vvid-ph .ic,.audio-ph .ic{font-size:20px}.vvid-embed{max-width:290px;box-shadow:none;border:1px solid var(--paper-line)}
table.t{font-size:14px;border:1px solid var(--paper-line);border-radius:12px}table.t th{background:#f0e5de;color:var(--green);font-size:13px;font-weight:700;padding:11px 12px}table.t td{background:#fffdfa;padding:12px;vertical-align:top;border-color:var(--paper-line)}table.t td .kr{line-height:1.9}.hl{color:#a14360}.hs{color:#49725e}.ex{padding:14px;border:1px solid transparent;border-radius:10px;background:#faf7f1;gap:12px;margin-bottom:9px}.ex:hover{background:#f9edf0;border-color:#ebd7df}.ex .n{background:#f2dce4;color:var(--rose);font-size:10px;margin-top:3px}.ex .k{font-size:17px;line-height:1.9}.ex .z{font-size:13px;line-height:1.8;margin-top:4px}.ex .t{font-size:12px;color:#896c5c;margin-top:6px}.box{padding:16px 18px;font-size:14px;line-height:1.95}.box.tip{background:#fcf3ef;border:1px solid #ecd8d0}.box.tip .bt{color:#876350}.box.help{background:#f0f4ef;border:1px solid #d8e1d5}.box.warn{background:#fff3f0;border:1px solid #ebd3ce}.box .bt{font-size:14px;margin-bottom:7px}.box li{margin:5px 0}
.pron-row{padding:13px 15px;font-size:15px;background:#faf7f1}.pron-row .b{color:var(--rose)}.pron-row .z{font-size:12px}.sp{font-size:18px;padding:12px 15px}.sp.ok{background:#eff4ed;color:#3e6150}.sp.ng{background:#fbefec;color:#a45950}.passage{background:#fbf7ef;border:1px solid var(--paper-line);border-left:3px solid #c995a6;border-radius:12px;padding:23px;font-size:19px;line-height:2.35}.line{padding:13px 0;border-bottom:1px solid #eee6de;gap:14px}.line .who{font-size:12px;color:var(--rose);flex-basis:40px;padding-top:4px}.line .k{font-size:17px;line-height:1.9}.line .z{font-size:13px;margin-top:4px;color:var(--ink-soft)}
.btn{border-radius:10px;background:var(--rose);padding:10px 17px;font-size:13px;font-weight:700;color:white;line-height:1.6}.btn.ghost{background:#fffdfa;border:1px solid #dec9d1;color:var(--rose)}.btn.on,.btn.ghost.on{background:var(--pink);color:var(--rose);border-color:#d4a2b3}.btn:disabled{opacity:.55;cursor:default}#mateHomework[aria-busy="true"] .btn:disabled{cursor:wait}.rd-btns{gap:8px;margin-top:14px}.rd-step{font-size:15px;margin-bottom:15px}.rd-no{background:var(--pink);color:var(--rose);font-size:11px}.legend{font-size:12px;gap:13px;padding:10px 0}.sc{border:1px solid var(--paper-line);box-shadow:none;border-radius:15px;margin-bottom:16px}.sc-head{padding:23px}.sc-no{font-size:10px;letter-spacing:.12em;color:var(--rose);margin-bottom:9px}.sc-kr{font-size:21px;line-height:2}.sc-zh{font-size:14px}.acc summary{padding:14px 23px;font-size:14px;font-weight:500}.acc .ab{padding:0 23px 20px;line-height:1.9;font-size:14px}.acc{border-color:var(--paper-line)}.chunk{background:#faf7f1;padding:9px 12px;border-width:1px}.chunk .cl{font-size:11px}.acc.nuance summary{color:#99605c}.acc.write summary{color:var(--rose)}table.nu{font-size:13px}table.nu td:first-child{white-space:normal;word-break:keep-all}.wr textarea{padding:13px;font-size:17px;min-height:100px;background:#fffdfa;border-width:1px;border-radius:10px}.sh-word{overflow-wrap:anywhere}.sheet{background:#fffdfa}.sh-row{font-size:14px}
.q{background:#fffdfa;border:1px solid var(--paper-line);padding:22px;border-radius:14px;margin-bottom:15px}.q .qn{font-size:10px;letter-spacing:.1em;color:var(--rose)}.q .qt{font-size:16px;line-height:1.9;margin:9px 0 15px}.opts{gap:9px}.opt{font-size:15px;border:1px solid #e5dad2;border-radius:10px;padding:13px 15px;background:#fbf8f2;line-height:1.9}.opt:hover:not(:disabled){background:#f9e9ef;border-color:#d2a7b6}.opt.right{background:#e8f0e8;color:#315b40;border-color:#85a890}.opt.wrong{background:#fbebe7;color:#994c42;border-color:#d1a196}.fb{font-size:14px;line-height:1.9;border-left:3px solid #ab8a96;background:#fbf6f4;padding:14px}.score{font-size:15px;padding:18px;background:var(--pink);border-radius:12px}.quiz-repeat{margin-top:8px;font-size:12px}
.lk{background:#fffdfa;border:1px solid var(--paper-line);padding:16px;border-radius:12px}.lk .tt{font-size:14px;font-weight:700}.lk .ds{font-size:12px;margin-top:3px}.lk .ic{font-size:21px}.when.now{background:var(--pink);color:var(--rose)}.lk .when{font-size:10px}.review-note{display:none}.hw li{font-size:15px;line-height:2.05;margin:9px 0 9px 19px}
.section-title{color:var(--rose);font-size:12px;letter-spacing:.07em;margin:30px 0 15px}.weeks{gap:13px}a.week,div.week{box-shadow:none;border:1px solid var(--paper-line);padding:20px;background:#fffdfa;border-radius:16px;gap:18px}.week .no{background:var(--pink);color:var(--rose);border-radius:12px;flex-basis:48px;height:52px;font-size:13px}.week.rv .no{background:#eee5d8;color:#796143}.week .tt{font-size:17px;font-weight:700}.week .ds{font-size:13px;line-height:1.9;margin-top:5px}.week .badge.go{background:#fae9ef;color:var(--rose);padding:5px 10px;font-size:11px}.week .badge.wip{font-size:10px}a.week:hover{transform:none;background:#fffcf9;border-color:#cc9daf}.hub-intro{background:#f7e6ec;padding:24px;border:1px solid #ebd2dc;border-radius:16px;margin-bottom:28px}.hub-intro p{font-size:14px;line-height:2}.hub-intro h2{font-size:20px;margin:0 0 10px}.hub-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.hub-meta span{font-size:11px;background:#fffafc;padding:4px 11px;border-radius:20px;color:var(--rose)}
.lesson-audio{border:1px solid #ebd2dc;border-radius:14px;background:#fff8fa;padding:18px;margin-bottom:18px}.lesson-audio label{font-size:14px;font-weight:700;color:var(--rose);display:block;margin-bottom:10px}.lesson-audio audio{width:100%;display:block}.lesson-audio .audio-note{font-size:12px;color:var(--ink-soft);margin-top:9px}.media-pending{font-size:13px;line-height:1.8;color:var(--ink-soft)}
.mate-homework label{font-size:14px;font-weight:700;display:block;margin:20px 0 8px;color:var(--green)}.mate-homework input,.mate-homework select,.mate-homework textarea{width:100%;border:1px solid #ddcbd1;border-radius:10px;background:#fffefa;color:var(--ink);padding:12px;font-size:15px}.mate-homework textarea{min-height:170px;line-height:2;font-family:'Noto Sans KR','Noto Sans TC',sans-serif}.mate-homework input[type=file]{font-size:12px;padding:12px 10px}.mate-homework .field-note{font-size:12px;color:var(--ink-soft);line-height:1.8;margin:6px 0 12px}.mate-homework .hw-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:14px 0}.mate-homework audio{width:100%;margin-top:10px}.mate-homework .hw-status{font-size:14px;white-space:pre-wrap;line-height:1.9;margin-top:12px}.mate-homework .feedback{white-space:pre-wrap;font-size:15px;line-height:2;background:#f4f1e8;padding:18px;border-radius:12px}.mate-homework .identity-row{display:flex;gap:10px;align-items:end}.mate-homework .identity-row>div{flex:1}.mate-homework .identity-row .btn{flex-shrink:0;margin-bottom:0}.mate-homework .hw-error{color:#a14346}.mate-homework .hw-success{color:#456c50}.mate-homework progress{width:100%;height:6px;accent-color:var(--rose)}
footer{background:none;border-top:1px solid var(--paper-line);color:var(--ink-soft);font-size:11px;letter-spacing:.09em;padding:28px 16px;margin:0 auto;max-width:960px}footer span{color:var(--rose)!important}
@media(max-width:600px){.book-brand{padding:15px 20px}.book-brand img{width:40px;height:40px}.brand-name{font-size:13px}.brand-sub{font-size:9px}.brand-edition{font-size:10px;padding:4px 10px}.hero{padding:28px 20px 24px}.hero h1{font-size:28px}.hero p{font-size:14px}.map{padding:18px 20px 10px}.map-row{grid-template-columns:repeat(4,1fr);gap:7px}.wk{padding:8px 4px}.weeknav .btn{font-size:11px;padding:7px 10px}main{padding:27px 18px 55px}.card{padding:19px 16px;border-radius:14px}section{margin-bottom:34px}h2{font-size:19px}.vgrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.video-wrap{flex-direction:column-reverse;gap:15px}.vbox{width:100%;max-height:none;min-height:74px;aspect-ratio:auto;flex-basis:auto;flex-direction:row;gap:10px;padding:13px}.vbox .ic,.vbox .st{margin:0}.rule{padding:16px}.rule .f{font-size:21px}.ex .k,.line .k{font-size:16px}table.t{font-size:12px;table-layout:fixed}table.t td,table.t th{padding:9px 7px;overflow-wrap:anywhere}.sp{font-size:16px}.passage{font-size:18px;padding:19px 16px}.sc-head{padding:19px 16px}.sc-kr{font-size:19px}.acc summary{padding:13px 16px}.acc .ab{padding:0 16px 16px}.q{padding:18px 15px}.q .qt{font-size:15px}.opt{font-size:14px;padding:12px}.lk{padding:13px;gap:9px}.lk .when{white-space:normal;text-align:center;min-width:46px}.lk .tt{font-size:13px}.lk .ds{font-size:11px}.pron-row .z{flex-basis:100%;margin-left:0}.sheet{padding:20px 18px 28px}.sh-row{font-size:13px}a.week,div.week{padding:17px 14px;gap:12px}.week .tt{font-size:16px}.week .ds{font-size:12px}.week .badge{display:none}.hub-intro{padding:21px 18px}.mate-homework .identity-row{flex-wrap:wrap}.mate-homework .identity-row>div{min-width:180px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.worksheet-link{margin:18px 0 24px}
@media(max-width:600px){
 table.t:has(tr:first-child>:nth-child(3)):not(:has(tr:first-child>:nth-child(4))) tr>:nth-child(1){width:30%}
 table.t:has(tr:first-child>:nth-child(3)):not(:has(tr:first-child>:nth-child(4))) tr>:nth-child(2){width:23%}
 table.t:has(tr:first-child>:nth-child(3)):not(:has(tr:first-child>:nth-child(4))) tr>:nth-child(3){width:47%}
 table.t .kr{word-break:keep-all;overflow-wrap:normal}
}

/* Book 1 curriculum: readable weekly outline, with every editing week open. */
.curriculum-section{margin-top:38px}.curriculum-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.curriculum-heading h2{margin:4px 0 0;font-size:25px;color:var(--green)}.curriculum-eyebrow{font-size:12px;letter-spacing:.08em;color:var(--rose)}.curriculum-heading>span{font-size:12px;color:var(--ink-soft);white-space:nowrap;padding-bottom:4px}
.curriculum-list{list-style:none;padding:0;margin:0;background:#fffdfa;border:1px solid var(--paper-line);border-radius:17px;overflow:hidden}.curriculum-row{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:19px;padding:25px 23px;align-items:start}.curriculum-row+.curriculum-row{border-top:1px solid var(--paper-line)}.curriculum-week{display:flex;align-items:center;flex-direction:column;color:var(--rose);padding-top:2px;line-height:1.25}.curriculum-week span{font-size:10px;letter-spacing:.1em}.curriculum-week b{font-size:26px;font-weight:500;margin:3px 0}.curriculum-body{min-width:0}.curriculum-body h3{font-size:18px;line-height:1.6;margin:0 0 5px;color:var(--green)}.curriculum-goal{font-size:13px;line-height:1.85;color:var(--ink-soft);margin:0 0 11px}.curriculum-body dl{margin:0}.curriculum-body dl>div{display:grid;grid-template-columns:29px minmax(0,1fr);gap:10px;margin-top:6px;align-items:start}.curriculum-body dt{font-size:11px;color:var(--rose);padding-top:2px}.curriculum-body dd{margin:0;font-size:13px;line-height:1.9}.curriculum-grammar{font-family:'Noto Sans KR','Noto Sans TC',sans-serif;word-break:keep-all;overflow-wrap:anywhere}.curriculum-open{font-size:12px;font-weight:700;text-decoration:none;color:var(--rose);background:var(--pink);padding:9px 12px;border-radius:9px;white-space:nowrap;margin-top:3px;min-height:40px;display:inline-flex;align-items:center;gap:6px}.curriculum-open:hover{background:#efd0dc}.curriculum-row:focus-within{background:#fff9f6}
@media(max-width:600px){.curriculum-section{margin-top:27px}.curriculum-heading{display:block}.curriculum-heading h2{font-size:23px}.curriculum-heading>span{display:block;margin-top:9px}.curriculum-list{border-radius:13px}.curriculum-row{grid-template-columns:32px minmax(0,1fr);gap:10px 14px;padding:20px 16px}.curriculum-week b{font-size:23px}.curriculum-body h3{font-size:17px}.curriculum-open{grid-column:2;justify-self:start;margin-top:3px;padding:9px 13px}.curriculum-body dd{font-size:12px}.curriculum-body dl>div{gap:6px}.curriculum-goal{font-size:12px}}