:root{
  --paper:#f6f1e7;--paper2:#efe7d8;--ink:#1c1c1c;--ink2:#4a4a4a;--ink3:#6b655b;
  --cinnabar:#c23a2b;--indigo:#2f4a6d;--ochre:#b8862b;--line:rgba(28,28,28,.14);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);position:relative;color:var(--ink);font:16px/1.6 -apple-system,"PingFang TC","Noto Sans TC",system-ui,sans-serif;
  background-image:radial-gradient(rgba(0,0,0,.035) 1px,transparent 1px);background-size:6px 6px}
a{color:var(--indigo)}
.wrap{max-width:720px;margin:0 auto;padding:16px 16px 64px}
header.top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:10px}
header.top h1{font:700 22px/1.2 "Noto Serif TC","Songti TC",serif;margin:0;letter-spacing:.06em}
header.top h1 span{color:var(--cinnabar)}
header.top nav{display:flex;align-items:center;gap:6px}
header.top nav a{font-size:15px;display:inline-flex;align-items:center;min-height:44px;padding:0 6px;text-decoration:none}
header.top nav button{min-width:44px;min-height:44px;border:1px solid var(--line);background:transparent;border-radius:8px;font-size:15px;font-weight:700;color:var(--ink)}
header.top nav button[aria-pressed="true"]{background:var(--indigo);color:#fff;border-color:var(--indigo)}
.meta{display:flex;justify-content:space-between;align-items:center;font-size:15px;color:var(--ink3);margin:4px 0 12px}
.meta .nav button{min-width:44px;min-height:44px;border:1px solid var(--line);background:transparent;border-radius:8px;font-size:18px;color:var(--ink)}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.05)}
.hero{position:relative;aspect-ratio:4/3;background:var(--paper2);overflow:hidden}
.hero img{width:100%;height:100%;object-fit:cover;display:block}
.hero.missing::after{content:"墨";position:absolute;inset:0;display:grid;place-items:center;font:700 96px "Noto Serif TC",serif;color:rgba(28,28,28,.12)}
.title{padding:14px 16px 4px}
.title .cat{display:inline-block;font-size:12px;color:#fff;background:var(--cinnabar);border-radius:999px;padding:2px 10px;margin-bottom:6px}
.title h2{margin:0;font:700 24px/1.3 "Noto Serif TC","Songti TC",serif}
.title .en{color:var(--ink2);font-size:15px}
.title .scene{color:var(--ink3);font-size:15px;margin:4px 0 0}
.controls{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;padding:12px 16px;border-top:1px solid var(--line)}
.controls button{min-height:44px;padding:0 14px;border-radius:10px;border:1px solid var(--ink);background:transparent;color:var(--ink);font-size:15px;cursor:pointer}
.controls button.primary{background:var(--ink);color:#fff}
.controls button[aria-pressed="true"]{background:var(--indigo);color:#fff;border-color:var(--indigo)}
.lines{list-style:none;margin:0;padding:4px 8px 12px}
.line{display:grid;grid-template-columns:44px 1fr;gap:8px;align-items:start;padding:8px;border-radius:10px}
.line.playing{background:var(--paper2)}
.line .play{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:16px;cursor:pointer}
.line .spk{font-size:12px;color:var(--ink3);margin-right:6px}
.line .en,.line .zh{display:block;cursor:pointer}
.line .en{font-size:18px;line-height:1.45}
.line .zh{color:var(--ink2);font-size:15px}
.line.hide-en .en,.line.hide-zh .zh{color:transparent;background:repeating-linear-gradient(90deg,var(--paper2) 0 8px,transparent 8px 12px);border-radius:6px;user-select:none}
.line.hide-en .en::selection,.line.hide-zh .zh::selection{color:transparent}
.done{padding:12px 16px 16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:14px;color:var(--ink3)}
.done button{min-height:44px;padding:0 16px;border-radius:10px;border:2px solid var(--cinnabar);background:transparent;color:var(--cinnabar);font-weight:700;font-size:15px}
.done button.is-done{background:var(--cinnabar);color:#fff}
.hint{font-size:15px;color:var(--ink3);margin:14px 4px}
footer{margin-top:28px;font-size:13px;color:var(--ink3);text-align:center}
/* archive */
.group{margin:18px 0}
.group h2{font:700 18px "Noto Serif TC",serif;margin:0 0 8px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.grid a{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 10px;text-decoration:none;color:var(--ink);font-size:14px;min-height:44px}
.grid a small{display:block;color:var(--ink3);font-size:12px}
.grid a.is-done{border-color:var(--cinnabar)}
.grid a.today{background:var(--paper2)}

/* 全版背景 */
#pageBg{position:fixed;inset:0;z-index:-1;background:var(--paper) center/cover no-repeat;opacity:0;transition:opacity .6s}
#pageBg.show{opacity:1}
#pageBg::after{content:"";position:absolute;inset:0;background:rgba(246,241,231,.72)}
.card{background:rgba(255,255,255,.94)}
/* archive 圖文卡 */
.banner{border-radius:14px;background:var(--paper2) center/cover;min-height:110px;display:flex;align-items:flex-end;padding:12px 16px;margin:0 0 10px;box-shadow:inset 0 -60px 60px -30px rgba(246,241,231,.95);border:1px solid var(--line)}
.banner h2{border:0;padding:0;margin:0;font-size:24px;text-shadow:0 1px 0 #fff,0 0 12px #fff}
.banner h2 small{display:inline-block;margin-left:10px;font:400 13px sans-serif;color:var(--ink2)}
.grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}
.grid a{padding:0;overflow:hidden;display:flex;flex-direction:column}
.grid .thumb{display:block;aspect-ratio:4/3;background:var(--paper2);position:relative}
.grid .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.grid .thumb.missing::after{content:"墨";position:absolute;inset:0;display:grid;place-items:center;font:700 40px "Noto Serif TC",serif;color:rgba(28,28,28,.15)}
.grid .txt{display:block;padding:8px 10px 10px}
.grid .txt b{display:block;font-weight:700;font-size:15px;line-height:1.3}
.grid .txt i{display:block;font-style:normal;color:var(--ink3);font-size:12px;margin-top:2px}
@media(max-width:480px){.grid{grid-template-columns:repeat(2,1fr);gap:8px}}
/* 名句版 */
.line .en{font:700 19px/1.5 "Noto Serif TC","Songti TC",serif;letter-spacing:.02em}
.line .zh .who{display:block;font-weight:700;color:var(--indigo);font-size:16px}
.line .zh .gloss{display:block;color:var(--ink2);font-size:16px;line-height:1.6}
.line.hide-zh .zh .who,.line.hide-zh .zh .gloss{color:transparent}

/* 首次說明、手機首屏、放大字級 */
.howto{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:12px;margin:0 0 12px;padding:0 14px;font-size:15px;color:var(--ink2)}
.howto summary{min-height:44px;display:flex;align-items:center;cursor:pointer;font-weight:700;color:var(--ink)}
.howto ol{margin:0 0 12px;padding-left:20px}
.controls button:focus-visible,.line .en:focus-visible,.line .zh:focus-visible,.line .play:focus-visible,header.top nav a:focus-visible,.meta .nav button:focus-visible{outline:3px solid var(--indigo);outline-offset:2px}
@media(min-width:520px){.controls{grid-template-columns:repeat(4,1fr)}}
@media(max-width:480px){.hero{aspect-ratio:16/9}}
.big .line .en{font-size:25px}
.big .line .zh .who,.big .line .zh .gloss{font-size:20px}
.big .title .scene,.big .howto,.big .hint{font-size:18px}
.big .controls button,.big .done button{font-size:18px}

/* 猜作者小測驗 */
.controls .wide{grid-column:1/-1}
.controls button[hidden]{display:none}
.quiz{padding:12px 16px 16px;border-top:1px solid var(--line)}
.quiz[hidden],.lines[hidden]{display:none}
.quiz button{min-height:44px;padding:0 14px;border-radius:10px;border:1px solid var(--ink);background:#fff;color:var(--ink);font-size:16px;cursor:pointer}
.quiz button:focus-visible{outline:3px solid var(--indigo);outline-offset:2px}
.q-head{font-size:14px;color:var(--ink3);margin-bottom:8px}
.q-text{font:700 21px/1.5 "Noto Serif TC","Songti TC",serif;margin:12px 0 6px}
.q-ask{color:var(--ink2);margin:0 0 8px}
.q-opts{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.q-opts button{font-size:17px}
.q-opts.long{grid-template-columns:1fr}.q-opts.long button{height:auto;padding:10px 14px;text-align:left;line-height:1.5}
.q-text:focus,.q-score:focus{outline:none}
.q-opts button.right{background:#2e7d4f;color:#fff;border-color:#2e7d4f}
.q-opts button.wrong{background:var(--cinnabar);color:#fff;border-color:var(--cinnabar)}
.q-opts button:disabled{cursor:default}
.q-fb{margin-top:12px}
.q-res{font-weight:700;margin:0 0 4px}
.q-who{color:var(--indigo);font-weight:700;margin:0}
.q-gloss{color:var(--ink2);margin:2px 0 10px}
.q-next{background:var(--ink)!important;color:#fff!important}
.q-score{font:700 28px "Noto Serif TC",serif;margin:8px 0}
.q-score+.q-gloss+button{margin-right:8px}
.big .q-text{font-size:26px}.big .q-opts button{font-size:20px}.big .q-gloss,.big .q-who{font-size:18px}
@media(max-width:360px){.q-opts{grid-template-columns:1fr}}

/* 課堂模式 */
.stage{position:fixed;inset:0;z-index:50;background:#111;color:#f3ede0;display:flex;flex-direction:column;padding:16px 24px}
.stage[hidden]{display:none}
.stage:focus{outline:none}
.st-top{display:flex;justify-content:space-between;gap:12px;font-size:clamp(14px,1.6vw,20px);color:#b9b2a2}
.st-body{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:clamp(10px,2vh,28px);cursor:pointer;padding:0 4vw;min-height:0;overflow:auto}
.st-q{font:700 clamp(72px,14vw,200px)/1 "Noto Serif TC","Songti TC",serif;color:#6b6558}
.st-hint{font-size:clamp(18px,2.4vw,32px);color:#b9b2a2}
.st-text{font:700 clamp(32px,min(6vw,10vh),96px)/1.35 "Noto Serif TC","Songti TC",serif}
.st-who{font-size:clamp(20px,min(3vw,4.6vh),44px);color:#e6b450}
.st-gloss{font-size:clamp(22px,min(3.4vw,5.4vh),48px);line-height:1.5;color:#e9e3d3}
.st-bar{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.stage button{min-height:48px;padding:0 20px;border-radius:10px;border:1px solid #6b6558;background:#1d1d1d;color:#f3ede0;font-size:18px;cursor:pointer}
.stage button:focus-visible{outline:3px solid #e6b450;outline-offset:2px}
@media(max-width:600px){.st-keys{display:none}}

/* 口說任務、印章、里程碑、分享（同英語日日聽）*/
[hidden]{display:none!important}
.stamp{position:absolute;right:14px;top:14px;width:64px;height:64px;border:3px solid var(--cinnabar);border-radius:8px;color:var(--cinnabar);font:700 24px/58px "Noto Serif TC",serif;text-align:center;transform:rotate(-12deg) scale(0);opacity:.9;background:rgba(255,255,255,.55);transition:transform .35s cubic-bezier(.2,1.6,.4,1)}
.stamp.show{transform:rotate(-12deg) scale(1)}
.hint-inline{font-size:13px;color:var(--ink3);margin:0;padding:0 16px 8px}
.missed{padding-bottom:12px}
.quiz-bar{padding:0 16px 12px}
.quiz-bar button{width:100%;min-height:46px;border-radius:10px;border:1px solid var(--indigo);background:var(--indigo);color:#fff;font-weight:700;font-size:15px;cursor:pointer}
.quiz-bar button[aria-expanded="true"]{background:transparent;color:var(--ink3);border-color:var(--line);font-weight:400;font-size:13px;min-height:36px}
.mission-bar button#missionBtn{background:transparent;color:var(--indigo)}
.mission{margin:0 16px 12px;padding:14px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.55);scroll-margin-top:12px}
.m-stages{display:flex;gap:8px;list-style:none;margin:0 0 10px;padding:0;justify-content:center}
.m-stages li{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink3);font-weight:700}
.m-stages li.on{border-color:var(--indigo);color:var(--indigo);box-shadow:0 0 0 3px rgba(0,0,0,.04)}
.m-stages li.ok{background:var(--indigo);border-color:var(--indigo);color:#fff}
.m-name{font-weight:700;text-align:center;margin:0 0 10px}
.m-line{padding:10px 12px;border-radius:10px;background:rgba(255,255,255,.7);margin-bottom:8px}
.m-zh{color:var(--ink3);margin-top:2px}
.m-where{text-align:center;font-size:18px;letter-spacing:2px;margin:6px 0 2px}
.m-count{text-align:center;color:var(--ink3);font-size:13px;margin:0 0 4px}
.m-bar{height:6px;border-radius:3px;background:var(--line);overflow:hidden;margin-bottom:8px}.m-bar i{display:block;height:100%;background:var(--indigo);transition:width .3s}
.m-msg{text-align:center;min-height:1.4em;font-weight:700;margin:4px 0}
.m-act{display:flex;gap:8px}.m-act button{flex:1;min-height:46px;border-radius:10px;border:1px solid var(--indigo);background:var(--indigo);color:#fff;font-weight:700;font-size:15px;cursor:pointer}
.m-act .m-hear{background:transparent;color:var(--indigo)}
.m-done{text-align:center;font-size:20px;font-weight:700;color:var(--indigo);margin:10px 0 4px}
.m-sub{text-align:center;color:var(--ink3);margin:0}
.mission button:focus-visible{outline:3px solid var(--ochre);outline-offset:2px}
.m-line.checking{box-shadow:0 0 0 2px var(--indigo) inset}
.m-hint{margin-top:6px;padding-top:6px;border-top:1px dashed var(--line);color:var(--ink3)}
.m-act button:disabled{opacity:.45;cursor:default}
.stamp.say{right:86px;transform:rotate(8deg) scale(0)}.stamp.say.show{transform:rotate(8deg) scale(1)}
.m-seal{width:72px;height:72px;margin:6px auto 0;border:3px solid var(--cinnabar);border-radius:8px;color:var(--cinnabar);font:700 40px/66px "Noto Serif TC",serif;text-align:center;transform:rotate(-8deg)}
.m-mode{display:block;margin:8px auto 0;background:none;border:0;color:var(--indigo);text-decoration:underline;font-size:14px;cursor:pointer}
.badges{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:0 16px 12px}
.badge{border:2px solid var(--cinnabar);color:var(--cinnabar);border-radius:6px;padding:2px 8px;font:700 14px "Noto Serif TC",serif;background:rgba(255,255,255,.6)}
.badge.pop{animation:badgePop .6s cubic-bezier(.2,1.6,.4,1)}
@keyframes badgePop{from{transform:scale(0) rotate(-20deg)}to{transform:scale(1)}}
.badge-next{font-size:13px;color:var(--ink3)}
.share-bar button{background:var(--cinnabar);border-color:var(--cinnabar)}
.grid a:not(.is-done) .thumb img{filter:grayscale(1);opacity:.55}
.banner .meter{display:block;height:5px;border-radius:3px;background:rgba(28,28,28,.12);margin-top:6px;overflow:hidden;width:160px}.banner .meter i{display:block;height:100%;background:var(--cinnabar)}
.done b{color:var(--ink)}.grid a.is-done{box-shadow:0 0 0 1px var(--cinnabar)}
.m-text{font:700 19px/1.5 "Noto Serif TC","Songti TC",serif;margin-top:4px}.m-text.masked{color:var(--ink3);letter-spacing:4px}
.big .m-text{font-size:25px}.big .m-zh{font-size:19px}
.m-line .spk{display:block;font-size:13px;color:var(--ink3)}