/* A2 听力课程页（/listening/a2/）
   版式、底色、选项样式跟 A1 核心词汇（/vocabulary/a1/）保持一致：
   同样的版心宽度和标题位置，左边目录，右边白色学习区，浅蓝题卡，细框选项。 */

.lx-body{
  --lx-ink:#172238;
  --lx-muted:#737b86;
  --lx-card:#edf5fb;
  --lx-line:#dfe5ea;
  --lx-paper:#fbfcfd;
  background:var(--lx-paper);
}
.lx{max-width:1040px;margin:auto;padding:34px 24px 80px;color:var(--lx-ink);font-size:15px;line-height:1.6}
.lx button{color:var(--lx-ink)}

/* ---------- 标题（与 A1 同高） ---------- */
.lx-crumb{font-size:12px;color:var(--lx-muted);margin-bottom:30px}
.lx-crumb a{color:inherit}
.lx-hero{border-bottom:1px solid var(--lx-line);padding-bottom:26px}
.lx-tag{font-size:11px;font-weight:800;letter-spacing:.14em}
.lx-crumb,.lx-tag{line-height:normal}
.lx-sub-title{font-size:13px;color:var(--lx-muted);margin-top:12px;line-height:normal}
.lx-guide{position:relative;margin-top:18px;padding:12px 42px 12px 14px;border:1px solid var(--lx-line);background:#fff;font-size:12px;color:var(--lx-muted);line-height:1.65}
.lx-guide b{color:var(--lx-ink);font-weight:700}
.lx-guide[hidden]{display:none}
.lx .lx-guide-close{position:absolute;right:10px;top:8px;border:0;background:none;color:var(--lx-muted);font-size:20px;line-height:1;cursor:pointer}
.lx-title{font-family:var(--font-display);font-size:clamp(38px,6vw,62px);font-weight:900;letter-spacing:-.045em;line-height:1;margin:8px 0 0}

/* ---------- 左目录 + 右学习区 ---------- */
.lx-workspace{display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;margin-top:24px;align-items:start}
.lx-side{background:#fff;border:1px solid var(--lx-line);padding:14px;position:sticky;top:130px;max-height:calc(100vh - 150px);overflow:auto}
.lx-side-title,.lx-side-label{font-size:11px;font-weight:800;letter-spacing:.1em;padding:4px 6px 10px}
.lx-side-label{color:var(--lx-muted);padding-top:16px;font-size:10px}
.lx-topic{width:100%;display:flex;justify-content:space-between;gap:8px;padding:11px 6px;border:0;border-top:1px solid var(--lx-line);background:none;text-align:left;font-size:12px;cursor:pointer;line-height:1.45}
.lx-topic-meta{color:var(--lx-muted);font-size:11px}
.lx-topic.is-active,.lx-topic.is-open{font-weight:800;background:#f7f9fb}
.lx-subnav{padding:2px 0 8px 10px;background:#f7f9fb}
.lx-sub{width:100%;display:flex;justify-content:space-between;align-items:center;gap:6px;padding:7px 6px 7px 10px;border:0;border-left:2px solid var(--lx-line);background:none;text-align:left;font-size:12px;color:var(--lx-muted);cursor:pointer;line-height:1.35}
.lx-sub small{display:block;font-size:10.5px;opacity:.8}
.lx-sub i{font-style:normal;font-size:11px;color:var(--lx-muted)}
.lx-sub:hover{color:var(--lx-ink)}
.lx-sub.is-active{color:var(--lx-ink);font-weight:800;border-left-color:var(--lx-ink)}
.lx-subnav--inline{display:none}

.lx-learn{background:#fff;border:1px solid var(--lx-line);padding:24px;min-width:0}
.lx-page-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}
.lx-page-title{font-size:15px;font-weight:700}
.lx-page-title i{font-style:normal;font-weight:400;color:var(--lx-muted);margin:0 8px}
.lx-page-title span{margin-left:12px;font-weight:600;color:var(--lx-muted)}
.lx-count{font-size:12px;color:var(--lx-muted)}
.lx-desc{font-size:13px;color:var(--lx-muted);margin:-4px 0 18px}

/* 按钮（与 A1 一致） */
.lx .lx-btn{border:1px solid var(--lx-ink);background:var(--lx-ink);color:#fff;padding:13px 20px;font-size:13px;font-weight:700;cursor:pointer;white-space:nowrap}
.lx .lx-btn:disabled{opacity:.35;cursor:default}
.lx .lx-btn--line{background:#fff;color:var(--lx-ink)}
.lx .lx-back{border:0;background:none;padding:0;font-size:12px;color:var(--lx-muted);cursor:pointer}
.lx .lx-back:hover{color:var(--lx-ink)}
.lx .lx-textbtn{margin-left:auto;border:0;background:none;padding:0;font-size:12px;font-weight:600;color:var(--lx-muted);cursor:pointer}
.lx-actions{margin-top:28px}
.lx-pager{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:30px;padding-top:20px;border-top:1px solid var(--lx-line)}
.lx-speed{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--lx-muted);cursor:pointer;white-space:nowrap}
.lx-speed input{width:15px;height:15px;accent-color:var(--lx-ink)}

/* ---------- 备考指南 ---------- */
.lx-hero-tags{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 0;padding:0}
.lx-hero-tags li{padding:3px 10px;border:1px solid var(--lx-line);background:#fff;font-size:12px;font-weight:600;color:#4d5663}
.lx-g-lead{margin-bottom:6px}
.lx-g-sec{margin-top:34px}
.lx-g-h{display:flex;align-items:baseline;gap:10px;margin:0 0 12px;padding-bottom:10px;border-bottom:1px solid var(--lx-ink);font-size:18px;font-weight:800}
.lx-g-h span{font-family:var(--font-display);font-size:13px;font-weight:900;letter-spacing:.06em;color:#2B5C9E}
.lx-g-note{margin:-2px 0 12px;font-size:12.5px;color:var(--lx-muted)}
.lx-g-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.lx-g-facts div{background:var(--lx-card);padding:14px 16px}
.lx-g-facts b{display:block;font-size:16px;font-weight:800;line-height:1.35}
.lx-g-facts p{margin:6px 0 0;font-size:12.5px;line-height:1.6;color:#4d5663}
.lx-g-list{display:grid;gap:0}
.lx-g-list--2{grid-template-columns:1fr 1fr;column-gap:28px}
.lx-g-item{padding:14px 0;border-bottom:1px solid var(--lx-line)}
.lx-g-item-head{display:flex;align-items:center;gap:10px}
.lx-g-item h4{margin:0;font-size:15px;font-weight:800}
.lx-g-item p{margin:5px 0 0;font-size:13px;line-height:1.65;color:#4d5663}
.lx-stars{flex:none;font-size:12px;letter-spacing:1px;color:#D9971A;line-height:1}
.lx-stars i{font-style:normal;color:#dde2e7}
/* 例词：不加框，一行加粗小字 */
.lx .lx-g-words{margin:6px 0 0;font-size:13px;font-weight:700;color:var(--lx-ink)}
.lx-g-words b{display:inline-block;margin-right:8px;font-size:11px;letter-spacing:.04em;color:var(--lx-muted)}
.lx-g-item b,.lx-g-trap b{font-weight:800;color:var(--lx-ink)}
.lx-g-ask b,.lx-g-warn b,.lx-g-focus b{display:inline-block;margin-right:8px;font-size:11px;letter-spacing:.04em}
.lx-g-warn b{color:#B4521F}
.lx-g-traps{display:grid;gap:10px}
.lx-g-trap{display:grid;grid-template-columns:44px minmax(0,1fr);gap:12px;padding:16px 18px;border:1px solid var(--lx-line);background:#fff}
.lx-g-trap-no{font-family:var(--font-display);font-size:24px;font-weight:900;color:#E0703A;line-height:1.1}
.lx-g-trap h4{margin:0 0 4px;font-size:15px;font-weight:800}
.lx-g-trap p{margin:6px 0 0;font-size:13px;line-height:1.65;color:#4d5663}
.lx-g-example{margin-top:10px;padding:10px 12px;background:var(--lx-card)}
.lx-g-example .lx-nl{margin:0;font-size:14px;font-weight:600;color:var(--lx-ink)}
.lx-g-steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:0;padding:0;counter-reset:none}
.lx-g-steps li{position:relative;padding:14px 16px;background:var(--lx-card)}
.lx-g-steps li+li::before{content:"→";position:absolute;left:-10px;top:14px;width:10px;text-align:center;font-size:12px;color:var(--lx-muted)}
.lx-g-steps b{font-size:14px;font-weight:800}
.lx-g-steps p{margin:6px 0 0;font-size:12.5px;line-height:1.6;color:#4d5663}
.lx-g-rule{margin-top:34px;padding:22px 24px;background:var(--lx-ink);color:#fff}
.lx-g-rule .lx-label{color:rgba(255,255,255,.6)}
.lx-g-rule h3{margin:8px 0 6px;font-size:20px;font-weight:900;color:#fff}
.lx-g-rule p{margin:0;font-size:13px;line-height:1.7;color:rgba(255,255,255,.8)}

/* ---------- 词汇 / 短句（同 A1 词表） ---------- */
.lx-group{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin:26px 0 4px;font-size:14px;font-weight:800}
.lx-group span{font-size:11px;font-weight:500;color:var(--lx-muted)}
.lx-desc+.lx-group{margin-top:8px}
/* 电脑上左右两列 */
.lx-vcols .lx-nl{font-size:15px}
.lx-vcols{display:grid;grid-template-columns:1fr 1fr;gap:0 28px}
.lx-vhead,.lx-vrow{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr) 40px;gap:8px;align-items:center}
.lx-vhead{font-size:10px;font-weight:800;letter-spacing:.1em;color:var(--lx-muted);border-bottom:1px solid var(--lx-ink);padding:10px 8px}
.lx-vhead span:last-child{text-align:center}
.lx-vhead--phrase{grid-template-columns:1fr 54px;padding:10px 12px}
.lx-vrow{min-height:50px;border-bottom:1px solid var(--lx-line);padding:4px 8px}
.lx-prow{display:grid;grid-template-columns:1fr 54px;align-items:center;gap:8px;border-bottom:1px solid var(--lx-line);padding:12px}
.lx-nl{font-size:16px;font-weight:700}
.lx-cn{font-size:14px;color:#4d5663}
.lx-prow .lx-cn{font-size:13px;color:var(--lx-muted);margin-top:2px}
.lx-speak{border:0;background:transparent;font-size:16px;cursor:pointer;padding:10px;text-align:center}
.lx-speak.is-playing{color:var(--lx-muted)}

/* ---------- 听力练习 ---------- */
.lx-scene{margin-bottom:14px}
.lx-scene-no{font-size:10px;font-weight:800;letter-spacing:.12em;color:var(--lx-muted)}
.lx-scene-zh{margin:4px 0 0;font-size:15px;font-weight:700}
.lx-scene-nl{margin:2px 0 0;font-size:13px;color:var(--lx-muted)}

.lx-card{background:var(--lx-card);padding:22px 24px;margin-top:12px}
.lx-label{font-size:10px;font-weight:800;letter-spacing:.12em;color:var(--lx-muted)}
.lx-qrow{display:flex;align-items:flex-start;gap:14px;margin:12px 0 16px}
.lx-q{font-size:18px;font-weight:700;line-height:1.4}
.lx-qzh{font-size:13px;color:var(--lx-muted);margin-top:3px}

/* 圆形播放键（同 A1 测试） */
.lx-audio{flex:none;width:44px;height:44px;border:1px solid #9fb1bf;border-radius:50%;background:#fff;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0}
.lx-audio span{width:0;height:0;border-left:11px solid var(--lx-ink);border-top:7px solid transparent;border-bottom:7px solid transparent;margin-left:3px}
.lx-audio.is-playing{background:var(--lx-ink);border-color:var(--lx-ink)}
.lx-audio.is-playing span{width:11px;height:11px;border:0;background:#fff;margin:0}
.lx-audio:disabled{opacity:.35;cursor:default}
.lx-audio--big{width:82px;height:82px;margin:18px auto 6px}
.lx-audio--big span{border-left-width:20px;border-top-width:12px;border-bottom-width:12px;margin-left:6px}
.lx-audio--big.is-playing span{width:18px;height:18px}

/* 选项：A1 同款细框；答完变灰 */
.lx-answers{display:grid;gap:8px;max-width:560px}
.lx-answer{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;padding:13px 14px;border:1px solid #cbd5dd;background:#fff;text-align:left;font-size:14px;cursor:pointer}
.lx-answer:not(:disabled):hover{border-color:#8fa0ad}
.lx-answer.is-chosen{border-color:var(--lx-ink);box-shadow:inset 0 0 0 1px var(--lx-ink)}
.lx .lx-answer.is-done{color:#a3a9b0;cursor:default}
.lx-answer.good{background:#edf8ef;border-color:#9dbda3}
.lx-answer.bad{background:#fff0ef;border-color:#d2a4a0}
.lx-answer small{display:block;font-size:12px;margin-top:2px}
.lx-mark{font-style:normal;font-size:13px;color:#8a929b}

.lx-note{max-width:560px;margin-top:14px;padding-top:12px;border-top:1px solid rgba(23,34,56,.16);font-size:13px;line-height:1.7}
.lx-note p{margin:4px 0 0;color:#4d5663}
.lx-verdict{font-size:13px;color:var(--lx-ink)}
.lx-key b{display:inline-block;margin-right:8px;font-size:11px;font-weight:800;color:var(--lx-muted)}
/* 提示：信号词 = 蓝底标签，干扰 = 橙框标签（和原文里的「关键」「干扰」同一套颜色） */
.lx-note .lx-tip{margin-top:8px;color:var(--lx-ink)}
.lx-tip strong,.lx-recap strong{font-weight:800;color:var(--lx-ink)}
.lx-flag--signal{background:#2B5C9E;color:#fff;margin-right:8px;vertical-align:1px}
.lx-tip .lx-flag--trap,.lx-recap .lx-flag--trap{margin-right:8px;vertical-align:1px}
.lx-card-top{display:flex;align-items:center;gap:12px}

/* 这一页答完后的技巧小结 */
.lx-recap{margin-top:18px;padding:16px 20px;border:1px solid var(--lx-line);background:#fff;font-size:13px;line-height:1.7}
.lx-recap-title{font-size:13px;font-weight:800;margin-bottom:6px}
.lx-recap-row{display:flex;align-items:baseline;gap:10px;padding:5px 0;border-top:1px solid var(--lx-line)}
.lx-recap-row:first-of-type{border-top:0}
.lx-recap-no{flex:none;width:44px;font-size:11px;font-weight:700;color:var(--lx-muted)}
.lx-recap-row>span:last-child{color:#4d5663}

/* 整段播放器：播放 / 暂停、进度条、慢速 */
.lx-fullplayer{display:flex;align-items:center;gap:14px;margin-top:24px;padding:14px 18px;background:var(--lx-card)}
.lx-full-main{flex:1;min-width:0}
.lx-full-title{display:flex;justify-content:space-between;font-size:13px;font-weight:800}
.lx-full-time{font-size:12px;font-weight:600;color:var(--lx-muted);font-variant-numeric:tabular-nums}
.lx-fullplayer .lx-range{margin-top:6px;display:block}
.lx-fullplayer .lx-range:disabled{opacity:.45}
.lx-transcript--locked{display:flex;align-items:center;gap:8px;padding:14px 0 4px;font-size:13px;color:var(--lx-muted)}
.lx-transcript--locked .lx-lock{flex:none}
.lx-note .lx-key{color:var(--lx-ink);font-weight:600}

/* 原文 */
.lx-transcript{margin-top:24px;border-top:1px solid var(--lx-line)}
.lx-transcript summary{list-style:none;display:flex;align-items:center;gap:10px;padding:14px 0 4px;font-size:13px;font-weight:800;cursor:pointer}
.lx-transcript summary::-webkit-details-marker{display:none}
.lx-transcript summary::before{content:"+";width:18px;text-align:center;color:var(--lx-muted)}
.lx-transcript[open] summary::before{content:"−"}
.lx-lines{list-style:none;margin:8px 0 0;padding:0}
.lx-lines li{padding:9px 0;border-bottom:1px solid var(--lx-line)}
.lx-lines .lx-nl{margin:0;font-size:14px;font-weight:600}
.lx-lines .lx-cn{margin:2px 0 0;font-size:12px;color:var(--lx-muted)}
.lx-lines li.is-key .lx-nl span{font-weight:700;text-decoration:underline 1.5px #2B5C9E;text-underline-offset:4px}
.lx-lines li.is-trap .lx-nl span{text-decoration:underline 1.5px dashed #E0703A;text-underline-offset:4px}
.lx-flag{display:inline-block;margin-bottom:3px;padding:0 6px;font-style:normal;font-size:10.5px;font-weight:800;line-height:1.7}
.lx-flag--key{background:#2B5C9E;color:#fff}
.lx-flag--trap{border:1px solid #E0703A;color:#B4521F;padding:0 5px}

/* ---------- 单元模拟题 ---------- */
.lx-testbox{background:var(--lx-card);padding:24px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.lx-testbox h2{font-size:20px;margin:0 0 5px}
.lx-testbox p{font-size:13px;color:var(--lx-muted);margin:0}
.lx-test-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.lx-progress{font-size:12px;color:var(--lx-muted)}
.lx-test-card{min-height:420px;background:var(--lx-card);display:flex;flex-direction:column;align-items:center;text-align:center;padding:30px}
.lx-test-q{font-size:clamp(22px,3vw,30px);font-weight:800;letter-spacing:-.02em;line-height:1.3;margin:14px 0 0;max-width:620px}
.lx-plays{font-size:12px;color:var(--lx-muted);margin-bottom:22px}
.lx-test-card .lx-answers{width:min(520px,100%)}
.lx-test-actions{width:min(520px,100%);display:flex;justify-content:space-between;align-items:center;margin:18px 0 14px}
.lx-summary{text-align:center;padding:40px 0 10px}
.lx-summary strong{display:block;font-size:46px;margin:12px 0}
.lx-result-list{max-width:560px;margin:26px auto 0;text-align:left;border-top:1px solid var(--lx-line)}
.lx-result{padding:18px 0;border-bottom:1px solid var(--lx-line)}
.lx-result-q{display:flex;justify-content:space-between;gap:12px;font-size:15px;font-weight:700}
.lx-result-q i{font-style:normal;color:#8a929b}
.lx-result .lx-qzh{margin-bottom:10px}
.lx-result-transcript{max-width:560px;margin:26px auto 0;text-align:left}
.lx-result-transcript .lx-group span{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.lx-result-transcript .lx-flag{margin:0}
.lx-summary-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:26px}

/* ---------- 手机（同 A1：目录变成一行横向单元） ---------- */
@media (max-width:720px){
  .lx{padding:24px 14px 60px}
  .lx-guide{margin-top:14px;padding:11px 38px 11px 12px;font-size:11px}
  .lx-workspace{grid-template-columns:1fr}
  .lx-side{position:static;max-height:none;display:flex;overflow:auto;gap:6px;padding:8px 0;border:0;background:transparent;scrollbar-width:none}
  .lx-side::-webkit-scrollbar{display:none}
  .lx-side-title,.lx-side-label,.lx-side .lx-subnav,.lx-side .lx-side-buy,.lx-side-note{display:none}
  .lx-side{align-items:center}
  .lx-topic{min-width:max-content;border:1px solid var(--lx-line);background:#fff;padding:9px 11px}
  .lx-topic br{display:none}
  .lx-topic-name{white-space:nowrap}
  .lx-topic.is-active,.lx-topic.is-open{border-color:var(--lx-ink)}
  .lx-subnav--inline{display:flex;overflow:auto;gap:6px;margin:-2px 0 18px;padding:0;background:none;scrollbar-width:none}
  .lx-subnav--inline::-webkit-scrollbar{display:none}
  .lx-subnav--inline .lx-sub{flex:none;width:auto;border:1px solid var(--lx-line);padding:8px 10px}
  .lx-subnav--inline .lx-sub small{display:none}
  .lx-subnav--inline .lx-sub.is-active{border-color:var(--lx-ink)}
  .lx-learn{padding:14px}
  .lx-g-facts{grid-template-columns:1fr 1fr}
  .lx-g-list--2{grid-template-columns:1fr}
  .lx-g-steps{grid-template-columns:1fr}
  .lx-g-steps li+li::before{content:"↓";left:0;right:0;top:-12px;width:auto}
  .lx-g-trap{grid-template-columns:1fr;gap:4px;padding:14px}
  .lx-g-h{font-size:17px}
  .lx-vhead,.lx-vrow{grid-template-columns:1.15fr 1fr 42px}
  .lx-vhead{padding:9px 6px}
  .lx-vrow{padding:7px 6px}
  .lx-nl{font-size:15px}
  .lx-cn{font-size:13px}
  .lx-card{padding:18px 14px}
  .lx-q{font-size:17px}
  .lx-testbox{flex-direction:column;align-items:flex-start}
  .lx-test-card{padding:24px 14px}
  .lx-pager{flex-direction:column-reverse;align-items:stretch}
  .lx-pager .lx-btn{width:100%;white-space:normal}
}

/* 听力页右上：重新做 + 慢速 */
.lx-head-tools{display:flex;align-items:center;gap:16px}

/* 模拟题播放器：上一句 / 播放暂停 / 下一句 + 可点击的进度条 */
.lx-player{width:min(520px,100%);margin:18px 0 20px}
.lx-player-row{display:flex;align-items:center;justify-content:center;gap:22px}
.lx-player .lx-audio--big{margin:0}
.lx .lx-skip{border:0;background:none;padding:8px 4px;font-size:13px;font-weight:600;color:var(--lx-muted);cursor:pointer;white-space:nowrap}
.lx .lx-skip:hover{color:var(--lx-ink)}
.lx-audio--big.is-playing span{width:6px;height:22px;background:#fff;border:0;margin:0 12px 0 0;box-shadow:12px 0 0 #fff}
.lx-segs{display:flex;gap:3px;margin-top:18px}
.lx-seg{flex:1;height:8px;padding:0;border:0;background:#cfdbe5;cursor:pointer}
.lx-seg.is-past{background:#8fa0ad}
.lx-seg.is-current{background:var(--lx-ink)}
.lx-player .lx-plays{margin:8px 0 0}
.lx-timer{font-variant-numeric:tabular-nums;color:var(--lx-ink)}

@media (max-width:720px){
  .lx-vcols{grid-template-columns:1fr}
  .lx-vcol+.lx-vcol .lx-vhead{display:none}
  .lx-head-tools{gap:10px}
  .lx-player-row{gap:12px}
}

/* ---------- 付费：目录里的标记、购买面板 ---------- */
.lx-lock{width:11px;height:13px;flex:none;fill:none;stroke:#8a929b;stroke-width:1.4}
.lx-topic-meta{display:inline-flex;align-items:center}
.lx-side .lx-side-buy{width:100%;margin-top:14px;padding:11px 8px;border:1px solid var(--lx-ink);background:var(--lx-ink);color:#fff;font-size:12px;font-weight:700;cursor:pointer}
.lx-side-note{margin-top:12px;padding:0 6px;font-size:11px;color:var(--lx-muted)}
.lx-loading{padding:40px 0;text-align:center;font-size:13px;color:var(--lx-muted)}
.lx-free-note{margin-top:12px;font-size:12px;color:var(--lx-muted)}

.lx-buy{background:var(--lx-card);padding:30px;max-width:640px}
.lx-buy h2{margin:8px 0 6px;font-size:22px;line-height:1.3}
.lx-buy-sub{margin:0 0 16px;font-size:13px;color:var(--lx-muted)}
.lx-buy-list{list-style:none;margin:0 0 20px;padding:0;font-size:14px}
.lx-buy-list li{position:relative;padding:4px 0 4px 16px}
.lx-buy-list li::before{content:"";position:absolute;left:0;top:.95em;width:6px;height:6px;background:var(--lx-ink)}
.lx-buy-price{display:flex;align-items:baseline;gap:10px;margin-bottom:16px;padding-top:16px;border-top:1px solid rgba(23,34,56,.14)}
.lx-buy-price b{font-size:32px;line-height:1}
.lx-buy-price s{font-size:18px;font-weight:600;color:var(--lx-muted)}
.lx-buy-price span{font-size:13px;color:var(--lx-muted)}
.lx-check{display:flex;gap:8px;align-items:flex-start;margin:0 0 10px;font-size:13px;line-height:1.55;color:#4d5663;cursor:pointer}
.lx-check input{flex:none;width:16px;height:16px;margin-top:2px;accent-color:var(--lx-ink)}
.lx-check a{color:var(--lx-ink)}
.lx .lx-buy-btn{margin-top:8px;width:100%;padding:15px 20px;font-size:14px}
.lx-buy-error{margin:10px 0 0;font-size:13px;color:#a93226}

/* 模拟题：正式录音的进度条 */
.lx-range{width:100%;margin-top:18px;accent-color:var(--lx-ink)}

@media (max-width:720px){
  .lx-buy{padding:22px 16px}
  .lx-topic .lx-lock{margin-left:6px}
  .lx-topic{align-items:center}
}

/* 每题播放键 + 下面的“慢速” */
.lx-play-col{flex:none;display:flex;flex-direction:column;align-items:center;gap:6px}
.lx .lx-slow{border:1px solid #cbd5dd;background:#fff;padding:2px 8px;font-size:11px;font-weight:700;color:var(--lx-muted);cursor:pointer;line-height:1.6}
.lx .lx-slow:hover{border-color:var(--lx-ink);color:var(--lx-ink)}
.lx .lx-slow.is-playing{background:var(--lx-ink);border-color:var(--lx-ink);color:#fff}
.lx-full-play{margin-left:auto;display:inline-flex;align-items:center;gap:8px}
.lx-full-play .lx-textbtn{margin-left:0}

/* ---------- 结业页 ---------- */
.lx-finish{background:var(--lx-card);padding:30px;margin-bottom:22px}
.lx-finish h2{margin:8px 0 8px;font-size:22px;line-height:1.35}
.lx-finish p{margin:0 0 16px;font-size:14px;color:#4d5663;line-height:1.7}
.lx-finish .lx-finish-note{margin:12px 0 0;font-size:12px;color:var(--lx-muted)}
.lx-finish--small{max-width:560px;margin:26px auto 0;text-align:left}
.lx-finish--small h2{font-size:18px}
.lx-finish-list{border-top:1px solid var(--lx-line)}
.lx .lx-finish-row{width:100%;display:flex;justify-content:space-between;gap:12px;padding:12px 4px;border:0;border-bottom:1px solid var(--lx-line);background:none;text-align:left;font-size:14px;cursor:pointer}
.lx-finish-row i{font-style:normal;font-size:12px;color:var(--lx-muted);white-space:nowrap}
.lx .lx-finish-row:hover{background:#f7f9fb}
@media (max-width:720px){ .lx-finish{padding:22px 16px} }
/* 整段播放器播放中显示“暂停”（两竖线），可以从原来的位置继续 */
.lx-fullplayer .lx-audio.is-playing span{width:10px;height:12px;background:none;border:0;border-left:3px solid #fff;border-right:3px solid #fff;margin:0}
/* 标签不折行（窄屏的技巧小结里） */
.lx-flag{white-space:nowrap}
.lx-recap-row .lx-flag{flex:none;margin-right:0}
/* 技巧小结：不显示题号；两种标签同宽，文字对齐 */
.lx-recap-row .lx-flag{min-width:46px;text-align:center;box-sizing:border-box}

/* ---------- 题干点词释义（答完才出现虚线） ---------- */
.lx .lx-w{display:inline;border:0;background:none;padding:0;margin:0;font:inherit;color:inherit;cursor:pointer;
  text-decoration:underline dotted 1.5px #9fb1bf;text-underline-offset:5px}
.lx .lx-w:hover,.lx .lx-w.is-on{text-decoration-color:var(--lx-ink);text-decoration-style:solid;background:#dfeaf5}
.lx-gloss-hint{margin-top:4px;font-size:11.5px;color:#2B5C9E}
.lx-gloss{position:absolute;z-index:60;width:max-content;max-width:min(300px,calc(100vw - 24px));padding:10px 12px;background:#fff;
  border:1px solid #cbd5dd;box-shadow:0 6px 20px rgba(23,34,56,.14);font-size:13px;line-height:1.55;color:#172238}
.lx-gloss[hidden]{display:none}
.lx-gloss-head{display:flex;align-items:baseline;gap:8px}
.lx-gloss-head b{font-size:15px}
.lx-gloss-head span{font-size:11px;font-weight:700;color:#737b86}
.lx-gloss-zh{margin-top:2px;font-weight:600}
.lx-gloss-row{margin-top:3px;font-size:12px;color:#4d5663}
.lx-gloss-row i{font-style:normal;font-size:11px;font-weight:700;color:#737b86;margin-right:6px}
/* 整段播放器下面直接接原文，不要分隔线 */
.lx-fullplayer + .lx-transcript{border-top:0;margin-top:10px}
/* 释义里每一行：标签固定宽度，内容换行时对齐 */
.lx-gloss-row{display:flex;gap:6px}
.lx-gloss-row i{flex:none;min-width:48px;margin-right:0}
.lx-gloss-row--other{margin-top:6px;padding-top:6px;border-top:1px dashed #dfe5ea}
/* 高频场景：右边跳到对应单元 */
.lx .lx-g-unit{margin-left:auto;border:0;background:none;padding:0;font-size:12px;font-weight:700;color:#2B5C9E;cursor:pointer;white-space:nowrap}
.lx .lx-g-unit:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- 学单元时收起标题区（备考指南里才显示副标题和标签） ---------- */
.lx-compact .lx-sub-title,.lx-compact .lx-hero-tags{display:none}

/* ---------- 手机：学习页只留学习需要的东西 ---------- */
@media (max-width:720px){
  /* 学习页不放滚动条和悬浮购物车（会挡住单词的播放键） */
  .lx-body #site-ticker-root,.lx-body .taal-global-cart-float{display:none!important}
  body.lx-body{padding-top:68px!important}
  .lx-compact .lx-crumb,.lx-compact .lx-tag{display:none}
  .lx-compact .lx{padding-top:14px}
  .lx-compact .lx-hero{margin-bottom:6px}
  .lx-compact .lx-title{font-size:24px;line-height:1.3;margin:0}
  /* 单元标签固定在顶部，往下学也能随时切换单元 */
  .lx-side{position:sticky;top:68px;z-index:20;background:var(--lx-paper);margin:0 -14px;padding:8px 14px}
}