* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:-apple-system,"PingFang SC","Noto Sans SC",sans-serif; background:#f4f2ec; color:#23211b; line-height:1.7; }
a { color:#3370ff; text-decoration:none; }
h1 { font-size:22px; margin:18px 0 14px; }
h2 { font-size:16px; margin-bottom:12px; }
main { max-width:1080px; margin:0 auto; padding:0 20px 60px; }
main.with-nav { padding-top:10px; }
.muted { color:#948d7d; font-size:13px; font-weight:normal; }
.zh { font-size:15px; }
.big-char { font-size:22px; font-weight:700; }

.topnav { display:flex; align-items:center; gap:18px; background:#fff; border-bottom:1px solid #e3ddcf; padding:10px 24px; }
.topnav .brand { font-weight:800; color:#23211b; display:flex; align-items:center; gap:8px; }
.topnav .spacer { flex:1; }
.topnav .who { color:#948d7d; font-size:13px; }

/* 窄屏页头：不换行时内容总宽约 605px，会撑破 390px 手机屏（整站横向滚动）。
   折成两行 —— 第一行 品牌/语言/用户/退出，第二行 导航链接；桌面端宽度够，不生效。 */
@media (max-width:600px){
  .topnav { flex-wrap:wrap; gap:8px 12px; padding:10px 14px; font-size:13px; }
  .topnav .spacer { display:none; }                              /* 换行后 spacer 只会把第二行推歪 */
  .topnav .brand { order:1; }
  .topnav .lang-switch { order:2; margin-left:auto; }
  .topnav .who { order:3; max-width:96px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .topnav > a[href="/logout"] { order:4; }
  .topnav > a:not(.brand):not([href="/logout"]) { order:5; }     /* 学员端与管理端页头链接同此规则 */
}

.login-box { max-width:360px; margin:12vh auto; background:#fff; border:1px solid #e3ddcf; border-radius:12px; padding:32px; }
.login-box h1 { margin:0 0 4px; }
.login-box label { display:block; font-size:13px; color:#5d5849; margin-top:14px; }
.login-box input { width:100%; padding:9px 10px; border:1px solid #cfc7b4; border-radius:8px; font-size:14px; margin-top:4px; }
.block { width:100%; margin-top:20px; }

.card { background:#fff; border:1px solid #e3ddcf; border-radius:12px; padding:18px 20px; margin-top:16px; }
.cols { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:820px){ .cols { grid-template-columns:1fr; } }

.stat-grid { display:grid; grid-template-columns:repeat(6,1fr); gap:12px; margin-top:16px; }
@media (max-width:820px){ .stat-grid { grid-template-columns:repeat(3,1fr); } }
.stat { background:#fff; border:1px solid #e3ddcf; border-top:3px solid #bf3a2e; padding:14px 10px; text-align:center; border-radius:8px; }
.stat .num { font-size:26px; font-weight:800; }
.stat .lbl { font-size:12px; color:#948d7d; margin-top:2px; }

.tbl { width:100%; border-collapse:collapse; font-size:14px; margin-top:10px; }
.tbl th { background:#efece2; text-align:left; padding:7px 10px; font-size:13px; }
.tbl td { border-top:1px solid #eee8d8; padding:7px 10px; vertical-align:top; }

.badge { display:inline-block; background:#efece2; color:#5d5849; font-size:12px; padding:2px 9px; border-radius:10px; }
.badge.ok { background:#e6f4ec; color:#1d8348; }
.badge.bad { background:#faece8; color:#bf3a2e; }
.st-pending { background:#efece2; }
.st-generating { background:#fff7e6; color:#a97a1f; }
.st-review1,.st-review2,.st-review3 { background:#e1eaff; color:#3370ff; }
.st-published { background:#e6f4ec; color:#1d8348; }

.btn { display:inline-block; background:#fff; border:1px solid #cfc7b4; color:#23211b; font-size:13px; padding:7px 14px; border-radius:8px; cursor:pointer; }
.btn:hover { border-color:#3370ff; color:#3370ff; }
.btn.primary { background:#bf3a2e; border-color:#bf3a2e; color:#fff; font-weight:600; }
.btn.primary:hover { background:#9c2d23; color:#fff; }
.btn.sm { font-size:12px; padding:4px 10px; }
.btn.ok { background:#1d8348; border-color:#1d8348; color:#fff; }
.btn.bad { background:#bf3a2e; border-color:#bf3a2e; color:#fff; }

.unit-head { display:flex; justify-content:space-between; align-items:flex-start; gap:16px; flex-wrap:wrap; }
.inline-form { display:inline-flex; gap:8px; margin-bottom:8px; }
.note-input { border:1px solid #cfc7b4; border-radius:8px; padding:4px 10px; font-size:12px; width:220px; }
/* 行内编辑（小修留痕） */
.edit-box { display:inline-block; position:relative; }
.edit-box summary { cursor:pointer; font-size:12px; opacity:.45; list-style:none; user-select:none; }
.edit-box summary:hover { opacity:1; }
.edit-box[open] summary { opacity:1; }
.edit-box .edit-form { position:absolute; right:0; z-index:20; background:#fffdf6; border:1px solid #cfc7b4; border-radius:10px; padding:10px; box-shadow:0 6px 24px rgba(90,70,40,.18); min-width:320px; }
.edit-box .edit-form label { display:block; margin-bottom:6px; }
.edit-box .edit-form label span { display:block; font-size:12px; color:#8a7d63; margin-bottom:2px; }
.edit-box .edit-form input, .edit-box .edit-form textarea { width:100%; box-sizing:border-box; border:1px solid #cfc7b4; border-radius:8px; padding:5px 8px; font-size:13px; font-family:inherit; background:#fff; }
h3 .edit-box .edit-form { font-weight:normal; }

.alert { border-radius:8px; padding:10px 14px; margin-top:14px; font-size:14px; }
.alert.ok { background:#e6f4ec; color:#1d8348; }
.alert.err { background:#faece8; color:#bf3a2e; }
.err-text { color:#bf3a2e; font-size:12px; }

.story { border-top:1px solid #eee8d8; padding:12px 0; }
.story h3 { font-size:15px; margin-bottom:6px; }
.tip { background:#fff7e6; border-left:3px solid #a97a1f; padding:8px 12px; font-size:13px; border-radius:0 8px 8px 0; margin-top:8px; }
.payload { background:#f7f5ef; border:1px solid #e3ddcf; border-radius:8px; padding:10px; font-size:12px; overflow:auto; }

.review-box { border:2px solid #3370ff; }
.review-box textarea { width:100%; border:1px solid #cfc7b4; border-radius:8px; padding:8px 10px; font-size:14px; margin:8px 0; }
.btn-row { display:flex; gap:10px; }
.row-line { display:flex; align-items:center; gap:10px; padding:5px 0; font-size:14px; flex-wrap:wrap; }
.comment { color:#5d5849; font-size:13px; padding:2px 0 6px 4px; }

/* 公开首页 */
/* ---- 公开落地页（品牌色：藏青 #1b3f74 × 金 #c89b5f） ---- */
.brand-logo { height:34px; display:block; }
.lp { max-width:920px; margin:0 auto; }
.lp-hero { text-align:center; padding:56px 20px 8px; background:radial-gradient(ellipse 60% 50% at 50% 0%, rgba(200,155,95,.18), transparent); }
.lp-logo { width:300px; max-width:72vw; height:auto; }
.lp-hero h1 { font-size:38px; color:#1b3f74; margin:22px 0 14px; line-height:1.35; }
.lp-lead { max-width:620px; margin:0 auto; color:#5d5849; font-size:16px; line-height:1.9; }
.lp-cta { margin-top:28px; }
.lp-btn { display:inline-block; background:#1b3f74; color:#fff !important; font-size:16px; font-weight:600; padding:13px 48px; border-radius:999px; }
.lp-btn:hover { background:#15325e; }
.lp-btn-gold { background:#c89b5f; }
.lp-btn-gold:hover { background:#b3874a; }
.lp-note { margin-top:10px; font-size:13px; color:#948d7d; }
.lp-stats { display:flex; justify-content:center; gap:44px; margin:38px 0 10px; flex-wrap:wrap; }
.lp-stats b { display:block; font-size:30px; color:#1b3f74; }
.lp-stats span { font-size:12px; color:#948d7d; }
.lp-sec { margin-top:56px; }
.lp-h2 { text-align:center; font-size:24px; color:#1b3f74; margin-bottom:24px; }
.lp-feats { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:720px){ .lp-feats { grid-template-columns:1fr; } }
/* 图标与标题同一行，正文另起一行跨两列（与下方四大设计原则保持一致） */
.lp-feat { display:grid; grid-template-columns:auto 1fr; align-items:center; column-gap:10px; row-gap:8px; background:#fff; border:1px solid #e3ddcf; border-radius:14px; padding:22px; }
.lp-feat h3 { font-size:17px; line-height:1.35; color:#1b3f74; margin:0; }
.lp-feat p { grid-column:1/-1; font-size:14px; color:#5d5849; line-height:1.8; }
/* 图标固定方形居中对齐，避免不同 emoji 字形宽高不一导致标题起始位置跳动 */
.lp-ico { display:inline-flex; align-items:center; justify-content:center; width:32px; height:32px; line-height:1; font-size:28px; }
.lp-steps { display:flex; gap:10px; justify-content:center; flex-wrap:wrap; }
.lp-step { background:#fff; border:1px solid #e3ddcf; border-radius:12px; padding:14px 8px; width:130px; text-align:center; }
.lp-step b { display:block; width:30px; height:30px; line-height:30px; margin:0 auto 8px; border-radius:50%; background:#1b3f74; color:#fff; font-size:14px; }
.lp-step span { font-size:13px; color:#5d5849; }
.lp-step-final { border-color:#c89b5f; background:#fdf8ef; }
.lp-step-final b { background:#c89b5f; font-size:15px; }
.lp-courses { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
@media (max-width:720px){ .lp-courses { grid-template-columns:1fr; } }
.lp-course { position:relative; background:#fff; border:1px solid #e3ddcf; border-radius:14px; padding:26px 22px 20px; text-align:center; }
.lp-course-badge { position:absolute; top:-11px; inset-inline-start:50%; transform:translateX(-50%); background:#c89b5f; color:#fff; font-size:12px; font-weight:700; padding:2px 14px; border-radius:999px; }
[dir="rtl"] .lp-course-badge { transform:translateX(50%); }
.lp-course h3 { font-size:26px; color:#1b3f74; letter-spacing:1px; }
.lp-course-sub { font-size:14px; color:#5d5849; margin:4px 0 12px; }
.lp-course-nums { font-size:13px; color:#948d7d; }
.lp-course-nums b { color:#1b3f74; font-size:16px; }
.lp-guarantee { margin-top:64px; background:#1b3f74; color:#fff; border-radius:18px; text-align:center; padding:44px 24px; }
.lp-guarantee h2 { font-size:24px; color:#fff; }
.lp-guarantee p { margin:12px auto 24px; max-width:520px; opacity:.88; font-size:15px; }

/* 人员管理 */
.flash { border-radius:8px; padding:10px 14px; margin:10px 0; font-size:14px; }
.flash.ok { background:#e6f4ec; color:#1d8348; }
.flash.err { background:#faece8; color:#bf3a2e; }
.cell-input { border:1px solid #cfc7b4; border-radius:6px; padding:3px 8px; font-size:13px; width:120px; }
.inline-form input, .inline-form select { border:1px solid #cfc7b4; border-radius:8px; padding:6px 10px; font-size:14px; }

/* 审校工作台 */
.queues { display:grid; grid-template-columns:repeat(3, 1fr); gap:16px; }
@media (max-width:900px) { .queues { grid-template-columns:1fr; } }
.queue h2 .badge { margin-left:6px; }
.queue-item { border-top:1px solid #eee8d8; padding:10px 0; }
.small { font-size:12px; }

/* 批量生成进度条 */
.progress { background:#eee8d8; border-radius:6px; height:10px; width:160px; overflow:hidden; display:inline-block; vertical-align:middle; }
.progress .bar { background:#3370ff; height:100%; transition:width .3s; }

/* 机器预检 */
.precheck.ok { border-left:4px solid #1d8348; }
.precheck.warn { border-left:4px solid #a97a1f; }
.precheck.bad { border-left:4px solid #bf3a2e; }

/* 词卡学习 */
.study-stats { display:flex; gap:28px; margin:14px 0; }
.study-stats .stat { text-align:center; }
.study-stats .stat strong { font-size:26px; display:block; }
.study-stats .stat span { font-size:12px; }
.study-card { max-width:520px; margin:0 auto; text-align:center; padding:36px 24px; }
.zh-big { font-size:56px; margin:18px 0 8px; }
.pinyin-big { font-size:20px; color:#a97a1f; margin-bottom:10px; }
.study-card .sent { margin-top:14px; padding-top:12px; border-top:1px solid #eee8d8; font-size:15px; }
.study-card .btn-row { justify-content:center; margin-top:18px; }

/* 语言切换 */
.lang-switch { display:inline-flex; align-items:center; }
.lang-select { font:inherit; font-size:12px; color:#5d5849; background:#fff; border:1px solid #cfc7b4; border-radius:8px; padding:4px 8px; max-width:160px; cursor:pointer; }
.lang-select:focus { outline:2px solid rgba(51,112,255,.35); outline-offset:1px; }

/* RTL（阿拉伯语）微调 */
[dir="rtl"] .topnav, [dir="rtl"] .btn-row, [dir="rtl"] .study-stats { direction:rtl; }

/* 筛选页签（审校工作台等） */
.filter-tabs { display:flex; gap:8px; margin:4px 0 14px; }
.filter-tabs .badge { text-decoration:none; font-size:13px; padding:4px 12px; }
.filter-tabs .badge.on { background:#8c3b2e; color:#fff; }

/* 教材插图（图床 WebP） */
.illus { max-width:100%; width:520px; border-radius:10px; margin:6px 0 10px; display:block; box-shadow:0 1px 4px rgba(0,0,0,.12); }

/* ---- 学员端：学习地图/闯关 ---- */
.task-cards { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:12px; margin:14px 0; }
.card.task { text-decoration:none; color:inherit; display:flex; flex-direction:column; gap:6px; transition:transform .1s; }
.card.task:hover { transform:translateY(-2px); }
.unit-map { display:flex; flex-wrap:wrap; gap:10px; }
.unit-dot { width:52px; height:52px; border-radius:50%; display:flex; flex-direction:column; align-items:center; justify-content:center; font-size:12px; text-decoration:none; border:2px solid #d8cfc0; color:#6b6257; background:#fff; }
.unit-dot.passed { background:#4a7c59; border-color:#4a7c59; color:#fff; font-size:16px; }
.unit-dot.passed span { font-size:10px; }
.unit-dot.open { border-color:#8c3b2e; color:#8c3b2e; font-weight:600; }
.unit-dot.locked { background:#f0ebe2; opacity:.7; }
.stage-tabs { display:flex; gap:8px; flex-wrap:wrap; margin:10px 0 16px; }
.stage-tabs .badge { text-decoration:none; font-size:13px; padding:5px 12px; }
.stage-tabs .badge.on { background:#8c3b2e; color:#fff; }
.stage-tabs .badge.locked { opacity:.55; }
.stage-tabs .badge.quiz { background:#b8860b; color:#fff; }
.char-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(90px,1fr)); gap:10px; }
.char-cell { border:1px solid #e5ddcf; border-radius:8px; padding:8px; text-align:center; }

/* 练习（四题型通用） */
.ex { border:1px solid #e5ddcf; border-radius:10px; padding:14px; margin:12px 0; background:#fff; }
.ex-passage { margin:8px 0; line-height:1.9; }
.ex-q { font-weight:600; margin:8px 0; }
.ex-options { display:flex; flex-direction:column; gap:8px; margin:8px 0; }
.btn.opt { text-align:left; }
.btn.opt.sel { border-color:#8c3b2e; background:#f7ece9; }
.ex-pool, .ex-built { display:flex; flex-wrap:wrap; gap:8px; min-height:44px; padding:8px; border-radius:8px; margin:6px 0; }
.ex-built { border:2px dashed #d8cfc0; }
.ex-ok { border-color:#4a7c59; background:#f2f7f3; }
.ex-bad { border-color:#b4452f; background:#faf3f1; }
.ex-result { margin-top:8px; font-weight:600; }
.ex-sample { margin:8px 0; padding:10px; background:#faf7f0; border-radius:8px; }

/* 音频播放按钮 */
.btn.play { padding:4px 10px; font-size:13px; }
.btn.play.playing { background:#8c3b2e; color:#fff; }

/* ---- 非洲元素：肯特纹带 + 在地场景区 ---- */
.kente { height:7px; background:repeating-linear-gradient(90deg,
  #c89b5f 0 44px, #23211b 44px 52px,
  #1d8348 52px 96px, #23211b 96px 104px,
  #bf3a2e 104px 148px, #23211b 148px 156px,
  #1b3f74 156px 200px, #23211b 200px 208px); }
/* ---- 七大区域国别版 ---- */
.lp-regions { display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:16px; }
.lp-region { display:block; background:#fff; border:1px solid #e3ddcf; border-radius:14px; padding:22px 20px 18px; text-decoration:none; color:inherit; transition:border-color .15s, box-shadow .15s; }
.lp-region:hover { border-color:#c89b5f; box-shadow:0 4px 16px rgba(0,0,0,.06); }
.lp-region-media { display:inline-block; background:#f3efe4; color:#a08348; font-size:12px; font-weight:700; letter-spacing:1px; padding:2px 10px; border-radius:999px; margin-bottom:10px; }
.lp-region h3 { margin:0 0 8px; font-size:17px; color:#3d382c; }
.lp-region p { margin:0; font-size:13px; color:#7d7767; line-height:1.7; }
.lp-region .lp-more { margin-top:12px; font-size:13px; }
/* 四大设计理念：4 条并列竖栏，用分栏线分隔（跟下方「特色」卡片区分开）。
   条数固定为 4，正好铺满一行不留空格；窄屏降为 2 列 / 1 列并改用横线分隔。
   border-inline-start 而非 border-left：阿拉伯语 RTL 下分栏线自动落到正确一侧 */
.lp-principles { grid-template-columns:repeat(4,1fr); gap:0; background:#fff; border:1px solid #e3ddcf; border-radius:14px; overflow:hidden; }
/* 图标与标题同一行：两列网格（图标 | 标题），正文跨两列另起一行。
   左右内边距收到 12px —— 920px 容器四等分后每列只有 230px，20px 内边距会把中文标题挤成「孤字换行」 */
.lp-principles .lp-feat { display:grid; grid-template-columns:auto 1fr; grid-template-rows:minmax(42px,auto) auto; column-gap:8px; row-gap:8px; align-items:center; background:none; border:0; border-radius:0; padding:24px 12px; border-inline-start:1px solid #efe8d8; }
.lp-principles .lp-feat:first-child { border-inline-start:0; }
/* 标题行固定 2 行高（minmax 首行，用 px 而非 em：em 会跟随容器字号，改全局字号就失准）：
   15px×1.35×2 ≈ 40.5px，取 42px 留余量。各语言标题长短不一，靠它对齐正文起始高度；
   图标与标题都在这行里居中，所以标题 1 行或 2 行都不会跟图标错位 */
.lp-principles .lp-feat h3 { font-size:15px; line-height:1.35; margin:0; }
.lp-principles .lp-feat p { grid-column:1/-1; font-size:13.5px; line-height:1.75; }
/* 汉字方章图标：固定方形，字形居中，不再被 font-size 撑成参差大小 */
.lp-principles .lp-ico { display:inline-flex; align-items:center; justify-content:center; width:30px; height:30px; font-family:serif; font-size:15px; font-weight:700; color:#a08348; background:#faf3e3; border:1px solid #eadfc3; border-radius:8px; }
@media (max-width:860px){
  .lp-principles { grid-template-columns:1fr 1fr; }
  .lp-principles .lp-feat { border-top:1px solid #efe8d8; }
  .lp-principles .lp-feat:nth-child(-n+2) { border-top:0; }
  .lp-principles .lp-feat:nth-child(odd) { border-inline-start:0; }
}
@media (max-width:520px){
  .lp-principles { grid-template-columns:1fr; }
  .lp-principles .lp-feat { border-inline-start:0; }
  .lp-principles .lp-feat:nth-child(2) { border-top:1px solid #efe8d8; }
}
/* 产品矩阵 */
.lp-matrix { list-style:none; display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:12px; max-width:900px; margin:0 auto; }
.lp-matrix li { background:#fff; border:1px solid #e3ddcf; border-radius:12px; padding:16px 18px; font-size:14px; color:#5d5849; }

/* ---- 定价与对比 ---- */
.lp-sub { text-align:center; color:#948d7d; font-size:14px; margin:-12px 0 24px; }
.lp-price { margin:10px 0 4px; }
.lp-price s { color:#b8b1a1; font-size:15px; margin-inline-end:8px; }
.lp-price b { font-size:30px; color:#1d8348; }
.lp-free-tag { display:inline-block; background:#e9f7ef; color:#1d8348; border:1px solid #a9dfbf; font-size:12px; font-weight:700; padding:2px 12px; border-radius:999px; margin-bottom:6px; }
.lp-faq { max-width:760px; margin:0 auto; text-align:start; }
.lp-faq-item { background:#fff; border:1px solid #e8dfc8; border-radius:10px; margin-bottom:10px; }
.lp-faq-item summary { cursor:pointer; font-weight:600; font-size:15px; color:#3d382c; padding:14px 18px; list-style:none; }
.lp-faq-item summary::before { content:'＋'; margin-inline-end:10px; color:#c89b5f; font-weight:700; }
.lp-faq-item[open] summary::before { content:'－'; }
.lp-faq-item p { margin:0; padding:0 18px 16px; font-size:14px; color:#5d5849; line-height:1.7; }
.lp-flist { list-style:none; margin:16px 0 20px; text-align:start; }
.lp-flist li { font-size:13px; color:#5d5849; padding:5px 0 5px 22px; position:relative; }
.lp-flist li::before { content:'✓'; position:absolute; inset-inline-start:2px; color:#1d8348; font-weight:700; }
.lp-btn-sm { font-size:14px; padding:10px 30px; }
.lp-cmp { width:100%; border-collapse:collapse; background:#fff; border-radius:14px; overflow:hidden; font-size:14px; }
.lp-cmp th, .lp-cmp td { padding:13px 16px; text-align:start; border-top:1px solid #eee8d8; }
.lp-cmp tr:first-child th { border-top:none; background:#efece2; font-size:13px; }
.lp-cmp th.us, .lp-cmp td.us { background:#fdf6ec; color:#1b3f74; font-weight:600; }
.lp-cmp tr:first-child th.us { background:#1b3f74; color:#fff; }
.lp-cmp td:first-child { font-weight:600; color:#5d5849; white-space:nowrap; }

/* ---- 页脚 ---- */
.site-foot { margin-top:80px; background:#23211b; }
.foot-in { max-width:920px; margin:0 auto; text-align:center; padding:36px 20px 28px; }
.foot-logo { width:170px; filter:brightness(0) invert(1); opacity:.92; }
.foot-tag { color:#c89b5f; font-size:14px; margin:14px 0 18px; }
.foot-links { display:flex; justify-content:center; gap:28px; flex-wrap:wrap; }
.foot-links a { color:#b8b1a1; font-size:14px; }
.foot-links a:hover { color:#fff; }
.foot-copy { margin-top:18px; color:#77705f; font-size:12px; }

/* ---- 协议内容页 ---- */
.page-doc { max-width:680px; margin:40px auto 0; background:#fff; border:1px solid #e3ddcf; border-radius:14px; padding:36px 40px; }
.page-doc h1 { color:#1b3f74; margin-top:0; }
.page-doc p { font-size:14px; color:#45413a; line-height:2; margin:14px 0; white-space:pre-line; }
.page-doc-back { margin-top:28px; }
.login-logo { width:200px; display:block; margin:0 auto 10px; }
.login-box h1 { text-align:center; }
.login-agree { text-align:center; margin-top:18px; font-size:12px; }

/* ---- 分级测试 ---- */
.lp-btn-ghost { display:inline-block; color:#1b3f74; font-size:15px; font-weight:600; padding:13px 24px; border-radius:999px; border:2px solid #1b3f74; margin-inline-start:12px; }
.plc h1 { color:#1b3f74; }
.plc-q { border-top:1px solid #eee8d8; padding:18px 0; }
.plc-word .zh b { font-size:24px; color:#23211b; }
.plc-ask { font-size:14px; color:#5d5849; margin:6px 0 10px; }
.plc-opts { display:grid; grid-template-columns:1fr 1fr; gap:8px; }
@media (max-width:640px){ .plc-opts { grid-template-columns:1fr; } }
.plc-opt { display:block; background:#f9f7f1; border:1px solid #e3ddcf; border-radius:10px; padding:10px 14px; font-size:14px; cursor:pointer; }
.plc-opt:hover { border-color:#1b3f74; }
.plc-opt input { margin-inline-end:6px; }
.plc-bars { margin-top:18px; }
.plc-bar-row { display:flex; align-items:center; gap:12px; margin:10px 0; font-size:13px; }
.plc-bar-lbl { width:170px; color:#5d5849; }
.plc-bar { flex:1; height:10px; background:#efece2; border-radius:5px; overflow:hidden; }
.plc-bar-fill { display:block; height:100%; background:linear-gradient(90deg,#c89b5f,#1b3f74); }
.plc-bar-row b { width:36px; text-align:end; color:#1b3f74; }

/* 兑换码 + 课程锁定 */
.course-locked{opacity:.92}
.course-lock-box{text-align:center;padding:18px 0}
.course-lock-box .lock-ico{font-size:32px}
.redeem-card form.redeem-form{display:flex;gap:10px;margin-top:10px}
.redeem-input{flex:1;font-size:16px;padding:10px 14px;letter-spacing:1px;text-transform:uppercase}
.owned-list{list-style:none;padding:0;display:flex;gap:16px;margin-bottom:14px}
.code-list{background:#f6f2e9;padding:12px;border-radius:8px;font-size:14px;line-height:1.8}
.inline-form{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.inline-form input[type=number]{width:70px}
.btn-sm{padding:3px 10px;font-size:12px;cursor:pointer}

/* ===== 全真模考 ===== */
.tag{display:inline-block;font-size:12px;padding:1px 8px;border-radius:999px;background:#efe9da;color:#6b6455;margin-inline-start:6px}
.tag-ok{background:#e6f4ec;color:#1d8348}
.tag-err{background:#faece8;color:#bf3a2e}
.btn-ghost{background:transparent;border:1px solid #cfc7b4;margin-inline-start:8px}
.btn-danger{background:#bf3a2e!important;border-color:#bf3a2e!important;color:#fff!important}
.mock-admin-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid #e8e2d2}
.mock-admin-row:last-child{border-bottom:none}
.mock-admin-actions{display:flex;gap:8px;flex-shrink:0}
.mock-attempts-title{margin-top:16px}
.mock-exam-top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.mock-timer{font-size:15px;color:#6b6455}
.mock-timer strong{font-size:22px;color:#bf3a2e;font-variant-numeric:tabular-nums}
.mock-sec{margin-bottom:18px}
.mock-q{padding:14px 0;border-bottom:1px dashed #e8e2d2}
.mock-q:last-child{border-bottom:none}
.mock-q-head{display:flex;align-items:center;gap:8px}
.mock-q-text{font-size:15px;margin:8px 0}
.mock-passage{background:#f7f3e8;border-radius:8px;padding:10px 12px;font-size:14px;line-height:1.8;margin:8px 0}
.mock-pinyin{color:#8c3b2e;font-size:14px;margin:4px 0}
.mock-opts{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.mock-opt{display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid #cfc7b4;border-radius:8px;cursor:pointer;font-size:14px;background:#fff}
.mock-opt:hover{border-color:#3370ff}
.mock-opt.static{cursor:default}
.mock-opt.is-ans{border-color:#1d8348;background:#e6f4ec}
.mock-opt.is-wrong{border-color:#bf3a2e;background:#faece8}
.mock-order-out{display:flex;flex-wrap:wrap;gap:6px;min-height:38px;padding:8px;border:1px dashed #cfc7b4;border-radius:8px;margin:10px 0;background:#faf7ef}
.mock-order-bank{display:flex;flex-wrap:wrap;gap:6px}
.mock-word{padding:6px 14px;border:1px solid #cfc7b4;border-radius:8px;background:#fff;font-size:15px;cursor:pointer}
.mock-word:hover{border-color:#3370ff}
.mock-word:disabled{opacity:.35;cursor:default}
.mock-word.used{border-color:#8c3b2e;background:#f7ece9}
.mock-char-input{width:80px;font-size:18px;padding:6px 10px;border:1px solid #cfc7b4;border-radius:8px;text-align:center}
.mock-submit-bar{margin:18px 0;text-align:center}
.mock-submit-bar .btn{font-size:16px;padding:12px 40px}
.mock-score-card{text-align:center}
.mock-score-big{font-size:52px;font-weight:700;line-height:1.2}
.mock-score-card.pass .mock-score-big{color:#1d8348}
.mock-score-card.fail .mock-score-big{color:#bf3a2e}
.mock-sec-scores{font-size:16px}
.mock-review.ok{background:linear-gradient(to right,#f2faf5,transparent)}
.mock-review-line{margin:4px 0;font-size:14px}
.bad-text{color:#bf3a2e}

/* ===== 首页学术主导区 ===== */
.lp-prof{display:flex;align-items:center;gap:24px;max-width:760px;margin:0 auto;padding:36px 28px;background:#faf7ef;border:1px solid #e8dfc8;border-radius:16px}
.lp-prof-avatar{flex-shrink:0;width:132px;height:132px;border-radius:50%;background:#8c3b2e;color:#faf3e3;display:flex;align-items:center;justify-content:center;font-size:40px;font-weight:700;font-family:serif}
.lp-prof-kicker{margin:0 0 4px;font-size:13px;letter-spacing:2px;color:#a08348;font-weight:600}
.lp-prof-name{margin:0 0 8px;font-size:24px;color:#23211b}
.lp-prof-role{display:inline-block;font-size:13px;font-weight:600;color:#8c3b2e;background:#f7ece9;border-radius:999px;padding:2px 12px;vertical-align:middle;margin-inline-start:8px}
.lp-prof-bio{margin:0;font-size:15px;line-height:1.9;color:#57503f}
@media(max-width:600px){.lp-prof{flex-direction:column;text-align:center;padding:28px 20px}}
img.lp-prof-avatar{object-fit:cover;border:3px solid #e8dfc8}

/* 独立课程页 /courses/hskN */
.cp-hero { text-align:center; }
.cp-hero h1 { font-size:30px; color:#23211b; margin:0 0 12px; }
.cp-includes { max-width:520px; margin:0 auto; }
/* 打包班提示（跨级课程，如 HSK3 覆盖 L1-3）：数据驱动，单级课程不渲染 */
.cp-bundle { display:inline-block; margin:0 0 18px; padding:6px 16px; border-radius:999px; background:#faf3e3; border:1px solid #eadfc3; color:#a08348; font-size:13px; font-weight:600; }
.cp-units { list-style:none; padding:0; margin:0; display:grid; gap:8px; }
.cp-units li { background:#fff; border:1px solid #e8dfc8; border-radius:10px; padding:10px 16px; }
.cp-unit-head { display:flex; flex-wrap:wrap; gap:10px; align-items:baseline; }
.cp-unit-head b { color:#c89b5f; font-size:14px; }
.cp-unit-name { font-weight:600; color:#3d382c; font-size:15px; }
.cp-unit-meta { margin-inline-start:auto; color:#948d7d; font-size:12px; }
.cp-unit-goal { margin:6px 0 0; color:#5d5849; font-size:13px; line-height:1.7; }
.cp-price { max-width:340px; margin:0 auto; }
.lp-more { display:inline-block; margin-top:10px; font-size:14px; color:#1b3f74; text-decoration:none; }
.lp-more:hover { text-decoration:underline; }

/* ===== 学习端首屏（极简匿名入口） ===== */
.learn-wrap { max-width:420px; margin:0 auto; padding:8vh 20px 60px; }
.learn-hero { text-align:center; }
.learn-logo { font-size:30px; font-weight:800; letter-spacing:4px; color:#bf3a2e; }
.learn-slogan { font-size:15px; color:#5d5849; margin:14px 0 36px; line-height:1.8; }
.learn-hint { margin-top:14px; }
.learn-step h2 { font-size:15px; color:#5d5849; margin:22px 0 10px; font-weight:600; }
.learn-group { display:flex; gap:10px; flex-wrap:wrap; }
.learn-group .opt { flex:1 1 0; min-width:96px; padding:12px 8px; background:#fff; border:1px solid #cfc7b4;
  border-radius:10px; font-size:14px; color:#23211b; cursor:pointer; transition:.15s; }
.learn-group .opt:hover { border-color:#bf3a2e; }
.learn-group .opt.on { border-color:#bf3a2e; background:#faece8; color:#bf3a2e; font-weight:600; }
.learn-err { color:#bf3a2e; font-size:13px; text-align:center; margin-top:16px; }

/* ===== 学习端：移动优先（手机为主，PC 兼容） ===== */
/* 触控目标不小于 44px；容器限宽居中，PC 上自然留白 */

.plc-wrap { max-width:440px; margin:0 auto; padding:6vh 20px 60px; }
.plc-card { background:#fff; border:1px solid #e3ddcf; border-radius:16px; padding:28px 22px; text-align:center; }
.plc-card h1 { font-size:19px; margin:0 0 10px; }

.plc-word { padding:22px 0 10px; }
.plc-hanzi { font-size:56px; font-weight:700; letter-spacing:6px; color:#23211b; }

.plc-pinyin { font-size:18px; color:#bf3a2e; letter-spacing:1px; margin-bottom:6px; }
.plc-gloss { font-size:15px; color:#5d5849; min-height:22px; margin-bottom:18px; }

.plc-actions { display:flex; flex-direction:column; gap:10px; margin-top:14px; }
.plc-actions .btn { margin-top:0; min-height:48px; font-size:16px; }

.plc-done .plc-level { font-size:64px; font-weight:800; color:#bf3a2e; line-height:1.1; margin:6px 0 0; }
.plc-done .plc-level-lbl { font-size:14px; color:#948d7d; margin:0 0 22px; }
.plc-ghost { background:#fff !important; color:#5d5849 !important; border:1px solid #cfc7b4 !important; }

.btn.plc-btn-ok { background:#bf3a2e; color:#fff; }
.btn.plc-btn-no { background:#efece2; color:#5d5849; }

/* ===== 每日测试（一屏一题） ===== */
.daily-wrap { max-width:520px; margin:0 auto; padding:14px 16px 60px; }

.daily-bar { display:flex; align-items:center; gap:10px; padding:6px 2px 14px; }
.daily-time { font-size:13px; color:#948d7d; font-variant-numeric:tabular-nums; white-space:nowrap; }
.daily-prog { flex:1; height:6px; background:#e8dfc8; border-radius:3px; overflow:hidden; }
.daily-prog i { display:block; height:100%; width:0; background:#bf3a2e; transition:width .4s; }
.daily-prog-txt { font-size:12px; color:#bf3a2e; white-space:nowrap; }
.daily-prog-txt.on { font-weight:700; }

.daily-card { background:#fff; border:1px solid #e3ddcf; border-radius:16px; padding:22px 18px; }
.daily-card h1 { font-size:19px; margin:0 0 10px; }
.daily-h2 { font-size:15px; color:#5d5849; margin:24px 0 10px; }

.daily-seq { font-size:13px; color:#948d7d; margin:0 0 14px; font-variant-numeric:tabular-nums; }

.d-hanzi { font-size:40px; font-weight:700; letter-spacing:4px; color:#23211b; text-align:center; margin:6px 0 12px; line-height:1.5; }
.d-pinyin { font-size:16px; color:#bf3a2e; text-align:center; letter-spacing:1px; margin-bottom:10px; }
.d-passage { font-size:15px; color:#3d382c; line-height:1.9; background:#faf8f2; border-radius:10px; padding:12px 14px; margin-bottom:12px; }
.d-prompt { font-size:16px; color:#23211b; margin-bottom:14px; line-height:1.7; }
.d-hint { font-size:13px; color:#948d7d; margin-bottom:10px; }

.d-opt { display:block; width:100%; text-align:left; min-height:48px; padding:12px 14px; margin-bottom:10px;
  background:#fff; border:1px solid #cfc7b4; border-radius:10px; font-size:15px; color:#23211b;
  line-height:1.5; cursor:pointer; transition:.15s; }
.d-opt:hover { border-color:#bf3a2e; }
.d-opt.on { border-color:#bf3a2e; background:#faece8; color:#bf3a2e; font-weight:600; }

.d-built { min-height:48px; border-bottom:2px dashed #cfc7b4; margin-bottom:14px; font-size:20px;
  letter-spacing:2px; color:#23211b; line-height:48px; }
.d-pool { display:flex; flex-wrap:wrap; gap:8px; }
.d-tok { min-height:44px; padding:10px 14px; background:#fff; border:1px solid #cfc7b4; border-radius:10px;
  font-size:17px; color:#23211b; cursor:pointer; }
.d-tok.used { opacity:.28; }

.daily-card .btn.block { margin-top:18px; min-height:48px; font-size:16px; }

.daily-done { text-align:center; }
.daily-score { font-size:64px; font-weight:800; color:#bf3a2e; line-height:1.1; }
.daily-cnt { font-size:14px; color:#948d7d; margin:2px 0 0; }
.daily-review { list-style:none; padding:0; margin:0; text-align:left; }
.daily-review li { border:1px solid #e3ddcf; border-radius:10px; padding:10px 12px; margin-bottom:8px; }
.daily-review li.ok { border-color:#cfe0cd; background:#f6faf5; }
.daily-review li.no { border-color:#f0d3ce; background:#fdf7f6; }
.d-rv-head { font-size:14px; font-weight:700; color:#bf3a2e; }
.daily-review li.ok .d-rv-head { color:#4f7a45; }
.d-rv-q { font-size:15px; color:#23211b; margin:2px 0 4px; line-height:1.7; }
.d-rv-line { font-size:13px; color:#5d5849; line-height:1.7; }
.d-rv-line.ok { color:#4f7a45; }
.daily-tmr { margin-top:10px; }

/* ===== 话题模块列表 + 单元（四板块 × 三层级） ===== */
.lu-wrap { max-width:520px; margin:0 auto; padding:16px 16px 60px; }

.lu-head h1 { font-size:21px; margin:6px 0 6px; }
.lu-head p { line-height:1.7; }
.lu-level { font-size:13px; color:#bf3a2e; font-weight:600; margin:8px 0 0; }
.lu-locked-msg { background:#fdf7f6; border:1px solid #f0d3ce; border-radius:10px;
  padding:10px 12px; font-size:13px; color:#8c3b2e; line-height:1.7; }

.lu-course { margin-top:22px; }
.lu-course-h { font-size:15px; color:#5d5849; margin:0 0 10px; font-weight:600; }
.lu-units { list-style:none; padding:0; margin:0; }
.lu-unit { margin-bottom:8px; }
.lu-unit-a { display:grid; grid-template-columns:auto 1fr auto; align-items:center;
  column-gap:10px; row-gap:6px; min-height:56px; padding:10px 14px; background:#fff;
  border:1px solid #e3ddcf; border-radius:12px; text-decoration:none; color:#23211b; }
a.lu-unit-a:hover { border-color:#bf3a2e; }
.lu-unit-a.is-off { opacity:.62; }
.lu-u-code { font-size:12px; color:#948d7d; font-variant-numeric:tabular-nums; }
.lu-u-name { font-size:15px; }
.lu-u-bar { grid-column:1/3; height:4px; background:#efece2; border-radius:2px; overflow:hidden; }
.lu-u-bar i { display:block; height:100%; background:#bf3a2e; }
.lu-u-num { font-size:12px; color:#948d7d; grid-row:2; font-variant-numeric:tabular-nums; }
.lu-tag { font-size:11px; color:#4f7a45; border:1px solid #cfe0cd; background:#f6faf5;
  border-radius:6px; padding:2px 6px; white-space:nowrap; }
.lu-tag-lock { color:#8c3b2e; border-color:#f0d3ce; background:#fdf7f6; }
.lu-actions { margin-top:26px; }

.lu-top { display:flex; align-items:center; gap:10px; padding:4px 0 12px; }
.lu-back { font-size:13px; color:#5d5849; text-decoration:none; }
.lu-back:hover { color:#bf3a2e; }
.lu-time { margin-inline-start:auto; font-size:12px; color:#948d7d;
  font-variant-numeric:tabular-nums; white-space:nowrap; }
.lu-time.on { color:#bf3a2e; font-weight:700; }

.lu-title { font-size:19px; margin:0 0 4px; }
.lu-code { font-size:12px; color:#948d7d; font-weight:400; margin-inline-end:6px; }
.lu-meta { margin:0 0 16px; line-height:1.7; }

/* 板块与层级两级 tab：横向可滚，触控目标 ≥44px */
.lu-blocks, .lu-tiers { display:flex; gap:6px; margin-bottom:10px; }
.lu-blocks { overflow-x:auto; padding-bottom:2px; }
.lu-blk { position:relative; flex:1 0 auto; text-align:center; min-height:44px; line-height:44px;
  padding:0 14px; background:#fff; border:1px solid #e3ddcf; border-radius:10px;
  font-size:14px; color:#5d5849; text-decoration:none; white-space:nowrap; }
.lu-blk.on { background:#faece8; border-color:#bf3a2e; color:#bf3a2e; font-weight:600; }
.lu-dot { position:absolute; top:8px; right:8px; width:6px; height:6px; border-radius:50%; background:#4f7a45; }

.lu-tier { flex:1; text-align:center; min-height:44px; line-height:44px; background:#fff;
  border:1px solid #e3ddcf; border-radius:10px; font-size:14px; color:#5d5849; text-decoration:none; }
.lu-tier.on { background:#efece2; border-color:#cfc7b4; color:#23211b; font-weight:600; }
.lu-tier.is-locked { opacity:.55; }
.lu-opt { font-size:11px; color:#948d7d; margin-inline-start:4px; }

.lu-card { background:#fff; border:1px solid #e3ddcf; border-radius:16px; padding:18px 16px; }
.lu-card .btn.block { margin-top:18px; min-height:48px; font-size:16px; }
.lu-seq { font-size:13px; color:#948d7d; margin:0 0 14px; font-variant-numeric:tabular-nums; }

/* 词汇表最小内容宽约 349px，窄屏放不下会把整页撑宽（390px 屏溢出 12px）。
   让表格自己在卡片内横滑，页面本身不横滚。 */
.lu-scroll { overflow-x:auto; -webkit-overflow-scrolling:touch; margin:0 -4px; padding:0 4px; }
.lu-tbl { min-width:340px; }
.lu-tbl td { padding:9px 8px; }
.lu-note { max-width:150px; line-height:1.6; }
.lu-aud { width:44px; }

.lu-sent { border-bottom:1px solid #eee8d8; padding:9px 0; }
.lu-sent:last-child { border-bottom:0; }
.lu-scene { margin-top:2px; }
.lu-dlg { margin-top:18px; }
.lu-h3 { font-size:15px; color:#1b3f74; margin:0 0 10px; }
.lu-line { display:flex; gap:8px; align-items:baseline; padding:6px 0; flex-wrap:wrap; }
.lu-spk { font-size:12px; color:#bf3a2e; min-width:52px; }
.lu-tip { background:#faf8f2; border-radius:10px; padding:10px 12px; font-size:13px;
  color:#5d5849; line-height:1.8; margin:12px 0 0; }

.lu-story { margin-bottom:18px; }
.lu-body { font-size:15px; line-height:1.95; color:#3d382c; white-space:pre-wrap; }
.lu-key { background:#faf8f2; border-radius:10px; padding:12px 14px; margin:0 0 10px;
  font-size:14px; line-height:1.85; color:#3d382c; }
.lu-key b { color:#1b3f74; }

.lu-soon { text-align:center; padding:26px 10px; }
.lu-soon-ico { font-size:34px; margin-bottom:8px; }
.lu-soon p { font-size:14px; color:#5d5849; margin:4px 0; line-height:1.8; }

.lu-result { text-align:center; margin-top:12px; }
.lu-score { font-size:56px; font-weight:800; color:#bf3a2e; line-height:1.1; }
.lu-result .lu-h3 { text-align:left; margin-top:20px; }
.lu-foot { margin-top:14px; }

/* PC：加宽并排按钮 */
@media (min-width:820px) {
  .learn-wrap, .plc-wrap { max-width:480px; padding-top:9vh; }
  .plc-actions { flex-direction:row; }
  .plc-actions .btn { flex:1; }
  .daily-wrap { padding-top:32px; }
  .daily-card { padding:30px 28px; }
  .lu-wrap { max-width:720px; padding-top:32px; }
  .lu-card { padding:26px 28px; }
  .lu-blocks { overflow-x:visible; }
}

/* ===== 题库编辑器（/admin/bank） ===== */
.bank-meta-row { display:flex; gap:14px; align-items:flex-end; flex-wrap:wrap; }
.bank-meta-row label { display:flex; flex-direction:column; gap:4px; font-size:13px; color:#5d5849; }
.bank-meta-row input, .bank-meta-row select,
.bank-add-row input, .bank-add-row select,
.bank-import-row input[type=text] { border:1px solid #cfc7b4; border-radius:8px; padding:6px 10px; font-size:14px; font-family:inherit; background:#fff; }
.bank-meta-actions { display:flex; gap:8px; align-items:center; flex-wrap:wrap; margin-top:12px; }
.bank-import-box { margin-top:12px; }
.bank-import-box summary { cursor:pointer; font-size:13px; color:#3370ff; }
.bank-import-row { display:flex; gap:12px; align-items:center; flex-wrap:wrap; margin-top:10px; }
.bank-import-row label { font-size:13px; color:#5d5849; display:flex; gap:6px; align-items:center; flex-wrap:wrap; }
.bank-import-row input[type=text] { width:340px; }

.bank-wrap { display:grid; grid-template-columns:260px 1fr; gap:16px; align-items:start; margin-top:16px; }
.bank-tree { position:sticky; top:12px; max-height:calc(100vh - 40px); overflow:auto; }
.bank-tree h3 { margin:0 0 8px; }
.bank-tree h4 { margin:14px 0 6px; }
.bank-tree-sec { padding:6px 0; border-bottom:1px dashed #eee8d8; }
.bank-tree-part { display:block; font-size:12px; color:#5d5849; text-decoration:none; padding:3px 6px; border-radius:6px; }
.bank-tree-part:hover { background:#f7f3e8; color:#3370ff; }
.bank-add-row { display:flex; gap:6px; flex-wrap:wrap; align-items:center; }
.bank-add-row select, .bank-add-row input { font-size:12px; padding:4px 6px; }
.bank-add-row input[type=number] { width:56px; }
.bank-ai input[name=topic] { width:100%; box-sizing:border-box; margin:6px 0; border:1px solid #cfc7b4; border-radius:8px; padding:5px 8px; font-size:12px; }
.bank-ai form button { font-size:12px; }

.bank-sec { margin-bottom:10px; }
.bank-sec > h2 { margin:22px 0 6px; }
.bank-part-box { margin-bottom:14px; }
.bank-part-head { display:flex; align-items:center; gap:10px; padding:8px 2px 4px; }
.bank-part-head h3 { margin:0; font-size:15px; color:#1b3f74; }

.bank-q { background:#fff; border:1px solid #e3ddcf; border-radius:12px; padding:12px 14px; margin-top:10px; }
.bank-q.is-new { box-shadow:0 0 0 2px rgba(51,112,255,.35); }
.bank-q-head { display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.bank-q-no { white-space:nowrap; }
.bank-q-spacer { flex:1 1 auto; }
.bank-type-sel { border:1px solid #cfc7b4; border-radius:8px; padding:4px 8px; font-size:13px; background:#fff; }
.bank-movepart { border:1px solid #cfc7b4; border-radius:8px; padding:4px 6px; font-size:12px; background:#fff; }
.bank-q-msg { font-size:12px; min-height:0; margin-top:4px; }
.bank-q-msg.ok { color:#1d8348; }
.bank-q-msg.err { color:#bf3a2e; }
.bank-f { margin-top:10px; }
.bank-flabel { display:block; font-size:12px; color:#948d7d; margin-bottom:3px; }
.bank-q textarea, .bank-q input[type=text], .bank-q input[type=number] { width:100%; box-sizing:border-box; border:1px solid #cfc7b4; border-radius:8px; padding:6px 9px; font-size:14px; font-family:inherit; background:#fff; }
.bank-q textarea { resize:vertical; line-height:1.7; }
.bank-f-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(180px, 1fr)); gap:10px; }
.bank-opts { display:flex; flex-direction:column; gap:6px; }
.bank-opt { display:flex; align-items:center; gap:8px; flex-wrap:wrap; padding:6px 8px; border:1px solid #f0ead9; border-radius:8px; background:#fdfcf8; }
.bank-opt-key { width:20px; font-weight:700; color:#8c3b2e; text-align:center; flex:none; }
.bank-opt-text { flex:1 1 220px; min-width:140px; }
.bank-opt-label { flex:0 1 150px; }
.bank-opt .bank-ans { font-size:13px; color:#5d5849; white-space:nowrap; }
.bank-opt-actions { display:flex; gap:8px; margin-top:4px; }
.bank-imgw { display:inline-flex; align-items:center; gap:6px; flex:none; }
.bank-thumb { width:64px; height:44px; object-fit:cover; border-radius:6px; border:1px solid #e3ddcf; background:#f7f3e8; }
.bank-thumb.is-empty { visibility:hidden; }
.bank-audio-row { display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.bank-audio-row audio { height:34px; max-width:280px; }
.bank-audio-src { word-break:break-all; font-size:12px; }

.bank-prev-sec { margin:26px 0 4px; }
.bank-prev-part { margin:10px 0; padding:6px 10px; background:#f7f3e8; border-radius:8px; font-size:14px; display:flex; gap:10px; flex-wrap:wrap; }
.bank-correct { color:#1d8348; }

/* 学员端新题型（8 种）补充样式 */
.mock-imgopts { display:grid; grid-template-columns:repeat(auto-fill, minmax(150px, 1fr)); gap:10px; margin-top:8px; }
.mock-imgopt { position:relative; border:2px solid #cfc7b4; border-radius:10px; overflow:hidden; cursor:pointer; background:#fff; }
.mock-imgopt img { width:100%; height:110px; object-fit:cover; display:block; }
.mock-imgopt b { position:absolute; top:4px; left:6px; background:#fff; border-radius:6px; padding:0 7px; font-size:13px; }
.mock-imgopt.is-ans { border-color:#1d8348; }
.mock-imgopt input { position:absolute; top:6px; right:6px; }
.mock-imgbank { display:flex; flex-wrap:wrap; gap:8px; margin:8px 0; }
.mock-imgbank-item { position:relative; width:84px; border:1px solid #e3ddcf; border-radius:8px; overflow:hidden; background:#fff; }
.mock-imgbank-item img { width:100%; height:60px; object-fit:cover; display:block; }
.mock-imgbank-item b { position:absolute; top:2px; left:4px; background:#fff; border-radius:5px; padding:0 5px; font-size:12px; }
.mock-img-missing { display:inline-block; font-size:12px; color:#948d7d; padding:6px; }
.mock-audio-text { background:#f7f3e8; border-radius:8px; padding:8px 10px; font-size:14px; line-height:1.8; margin:8px 0; }
.mock-select { border:1px solid #cfc7b4; border-radius:8px; padding:7px 10px; font-size:15px; background:#fff; margin-top:6px; }
.mock-instr { margin:2px 0 8px; }
.mock-comp { display:flex; gap:14px; align-items:center; flex-wrap:wrap; margin:8px 0; }
.mock-comp-img { max-height:120px; border:1px solid #e3ddcf; border-radius:8px; background:#fff; }
.mock-comp-img.ref { opacity:.9; }

@media (max-width: 860px) {
  .bank-wrap { grid-template-columns:1fr; }
  .bank-tree { position:static; max-height:none; }
}
.mock-imgopt.is-wrong { border-color:#bf3a2e; }
.mock-imgbank-item.is-ans { border-color:#1d8348; box-shadow:0 0 0 2px rgba(29,131,72,.35); }
.mock-imgbank-item.is-wrong { border-color:#bf3a2e; }
.mock-imgopt.static, .mock-imgopt.static input { pointer-events:none; }

/* 后台逐词审校：token chips */
.token-list{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.token-chip{display:inline-flex;align-items:center;gap:6px;border:1px solid #e6e1d6;border-radius:8px;padding:4px 8px;background:#fff}
.token-chip .zh{font-size:18px}
.token-chip .btn.play{padding:2px 6px;font-size:12px}