/* ============================================================
   考研英语二 · 作文突破  ——  样式
   深色主题 / 手机优先 / 大字号易读
   ============================================================ */

:root{
  --bg:#0f1419;
  --surface:#171d24;
  --surface2:#1e252e;
  --surface3:#252e39;
  --border:#2b3542;
  --text:#e6ebf1;
  --text2:#b9c4d0;
  --muted:#7f8d9e;
  --accent:#4a9eff;
  --accent-dim:#1c3a5c;
  --amber:#ffb020;
  --green:#3ecf8e;
  --red:#ff5c5c;
  --purple:#a78bfa;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 4px 20px rgba(0,0,0,.35);
  --sidebar-w:230px;
}

/* 日间主题：覆盖变量 + 少量写死的深色块 */
html[data-theme="light"]{
  --bg:#f4f6fa;
  --surface:#ffffff;
  --surface2:#f3f7fc;
  --surface3:#e6edf6;
  --border:#dbe3ee;
  --text:#17202b;
  --text2:#3c4b5d;
  --muted:#6a7b8f;
  --accent:#1f6fd0;
  --accent-dim:#dce9fb;
  --amber:#b26a00;
  --green:#128a5b;
  --red:#c93c33;
  --purple:#6b4fd8;
  --shadow:0 8px 24px rgba(23,43,77,.10);
}
/* 模板 / 范文正文块：日间模式要同时把“深色底 + 深色字”一起改成浅底深字 */
html[data-theme="light"] .essay{background:#eef4fb;color:#0f1a26;font-weight:500;border-color:#c9d8e8;border-left-color:var(--accent)}
html[data-theme="light"] .essay.zh{background:#f1faf5;color:#1c2836;font-weight:400;border-left-color:var(--green)}
/* 逐句对照：深色底（#0c1116）必须改亮，否则日间模式下英文正文黑字黑底几乎不可见 */
html[data-theme="light"] .pair-box{background:#ffffff;border-color:#d5e1ef}
html[data-theme="light"] .pair{border-bottom-color:#e7eef7}
html[data-theme="light"] .pair:hover{background:#f2f8ff}
html[data-theme="light"] .pair-en{color:#0f1a26;font-weight:500;border-right-color:#e7eef7}
html[data-theme="light"] .pair-zh{background:#f2faf6;color:#1e2b3a}
html[data-theme="light"] .pair-zh.missing{color:#b3261e}
html[data-theme="light"] .pr-en{color:#0f1a26;font-weight:500}
html[data-theme="light"] #draft{background:#fbfdff;color:var(--text)}
html[data-theme="light"] .star{color:#c3cfdd}
html[data-theme="light"] .copy-btn.done{color:#fff}
html[data-theme="light"] .back-math:hover{color:#fff}
html[data-theme="light"] #toast{background:#0f7a52;color:#fff}
html[data-theme="light"] mark{background:rgba(178,106,0,.22);color:#8a5200}
html[data-theme="light"] .chip.blue{background:rgba(31,111,208,.12);color:#1c5c9c}
html[data-theme="light"] .chip.amber{background:rgba(178,106,0,.12);color:#8a5200}
html[data-theme="light"] .chip.green{background:rgba(18,138,91,.12);color:#0e7350}
html[data-theme="light"] .chip.red{background:rgba(201,60,51,.12);color:#b3261e}
html[data-theme="light"] .chip.purple{background:rgba(107,79,216,.12);color:#5b3fc4}
html[data-theme="light"] .btn-toggle.on{background:rgba(18,138,91,.12);border-color:rgba(18,138,91,.4);color:#0e7350}
html[data-theme="light"] ::-webkit-scrollbar-thumb:hover{background:#b8c6d8}

*{box-sizing:border-box;margin:0;padding:0}

html,body{height:100%}

body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:15px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow:hidden;
}

/* ---------------- 布局 ---------------- */
#app{display:flex;height:100vh;overflow:hidden}

#sidebar{
  width:var(--sidebar-w);
  flex:0 0 var(--sidebar-w);
  background:var(--surface);
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  overflow-y:auto;
}

#main{
  flex:1;
  display:flex;
  flex-direction:column;
  min-width:0;
  overflow:hidden;
}

#view{
  flex:1;
  overflow-y:auto;
  padding:22px 28px 80px;
  scroll-behavior:smooth;
}

/* ---------------- 侧边栏 ---------------- */
.brand{padding:20px 18px 14px;border-bottom:1px solid var(--border)}
.brand-title{font-size:19px;font-weight:700;letter-spacing:.5px;
  background:linear-gradient(90deg,var(--accent),var(--purple));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.brand-sub{font-size:11.5px;color:var(--muted);margin-top:3px;letter-spacing:.2px}

#nav{padding:10px 10px;display:flex;flex-direction:column;gap:2px;flex:1}
.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border:0;border-radius:var(--radius-sm);
  background:transparent;color:var(--text2);
  font-size:14px;font-family:inherit;cursor:pointer;
  text-align:left;width:100%;transition:background .12s,color .12s;
}
.nav-item:hover{background:var(--surface2);color:var(--text)}
.nav-item.active{background:var(--accent);color:#fff;font-weight:600}
.nav-item.active .ni-icon{filter:none}
.ni-icon{font-size:15px;width:20px;text-align:center;flex:0 0 20px}
.ni-text{flex:1}
.ni-badge{
  font-size:11px;padding:1px 7px;border-radius:20px;
  background:var(--surface3);color:var(--muted);font-weight:600;
}
.nav-item.active .ni-badge{background:rgba(255,255,255,.25);color:#fff}

.side-foot{padding:12px 14px 16px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:7px}
.countdown{font-size:12px;color:var(--amber);text-align:center;margin-bottom:4px;font-weight:600;line-height:1.5}
.btn-ghost{
  font-size:12.5px;font-family:inherit;padding:7px;border-radius:var(--radius-sm);
  background:var(--surface2);color:var(--text2);border:1px solid var(--border);cursor:pointer;
  transition:background .12s;
}
.btn-ghost:hover{background:var(--surface3);color:var(--text)}
.back-math{
  display:flex;align-items:center;justify-content:center;gap:6px;
  text-decoration:none;
  border-color:rgba(74,158,255,.5);color:var(--accent);
  background:linear-gradient(135deg,rgba(74,158,255,.16),rgba(167,139,250,.10));
}
.back-math:hover{background:var(--accent);color:#04101f;border-color:var(--accent)}

/* ---------------- 顶栏 ---------------- */
#topbar{
  height:56px;flex:0 0 56px;
  display:flex;align-items:center;gap:14px;
  padding:0 20px;border-bottom:1px solid var(--border);
  background:var(--surface);
}
#crumb{font-size:15px;font-weight:600;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-actions{display:flex;gap:8px}
#search{
  width:260px;padding:8px 13px;border-radius:20px;
  background:var(--surface2);border:1px solid var(--border);
  color:var(--text);font-size:13.5px;font-family:inherit;outline:none;
  transition:border-color .15s,width .15s;
}
#search:focus{border-color:var(--accent);width:300px}
#search::placeholder{color:var(--muted)}

/* 网站声明条 */
.notice-bar{
  flex:0 0 auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:9px 20px;font-size:13.5px;line-height:1.6;color:var(--text);
  background:rgba(255,176,32,.12);border-bottom:1px solid rgba(255,176,32,.35);
}
.notice-bar .nb-ico{font-size:15px}
.notice-bar a{
  color:var(--amber);font-weight:600;text-decoration:none;
  border-bottom:1px dashed rgba(255,176,32,.55);
}
.notice-bar a:hover{text-decoration:underline}
html[data-theme="light"] .notice-bar{background:#fff6e6;border-bottom-color:#f0d5a8}
html[data-theme="light"] .notice-bar a{color:#a35c00;border-bottom-color:#e0b878}
.theme-btn{min-width:86px}

.btn-icon{
  background:transparent;border:0;color:var(--text2);font-size:19px;
  cursor:pointer;padding:4px 8px;border-radius:6px;display:none;
}
.btn-icon:hover{background:var(--surface2)}

/* ---------------- 通用组件 ---------------- */
h1.page-title{font-size:23px;font-weight:700;margin-bottom:6px;letter-spacing:.3px}
p.page-sub{color:var(--muted);font-size:13.5px;margin-bottom:22px;max-width:780px}

.section{margin-bottom:30px}
.section-head{
  display:flex;align-items:baseline;gap:10px;
  font-size:16px;font-weight:700;margin-bottom:13px;
  padding-bottom:8px;border-bottom:1px solid var(--border);
}
.section-head small{font-size:12px;color:var(--muted);font-weight:400}

.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px 18px;margin-bottom:12px;
}
.card.tight{padding:13px 15px}

.grid{display:grid;gap:12px}
.grid-2{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}

/* 题型卡片 */
.type-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:15px 16px;cursor:pointer;
  transition:border-color .15s,transform .12s,background .15s;
  display:flex;flex-direction:column;gap:8px;
}
.type-card:hover{border-color:var(--accent);transform:translateY(-2px);background:var(--surface2)}
.tc-top{display:flex;align-items:center;gap:9px}
.tc-name{font-size:16.5px;font-weight:700}
.tc-en{font-size:11.5px;color:var(--muted);font-style:italic}
.tc-stars{margin-left:auto;font-size:12px;color:var(--amber);letter-spacing:1px;white-space:nowrap}
.tc-desc{font-size:13px;color:var(--text2);line-height:1.65}
.tc-years{font-size:11.5px;color:var(--muted);border-top:1px solid var(--border);padding-top:7px;margin-top:auto}

/* 徽章 */
.chip{
  display:inline-block;font-size:11.5px;padding:2px 9px;border-radius:20px;
  background:var(--surface3);color:var(--text2);margin:2px 5px 2px 0;white-space:nowrap;
}
.chip.blue{background:rgba(74,158,255,.16);color:#7fbcff}
.chip.amber{background:rgba(255,176,32,.16);color:var(--amber)}
.chip.green{background:rgba(62,207,142,.16);color:var(--green)}
.chip.red{background:rgba(255,92,92,.16);color:var(--red)}
.chip.purple{background:rgba(167,139,250,.16);color:var(--purple)}

/* 模板 / 范文正文块 */
.essay{
  background:#0c1116;
  border:1px solid var(--border);
  border-left:3px solid var(--accent);
  border-radius:var(--radius-sm);
  padding:15px 17px;
  font-family:"SF Mono",Consolas,"Courier New",monospace;
  font-size:13.8px;line-height:1.95;
  white-space:pre-wrap;word-break:break-word;
  color:#d8e2ec;
  position:relative;
}
.essay.zh{
  font-family:inherit;font-size:13.5px;line-height:1.85;
  border-left-color:var(--green);color:var(--text2);
}
.essay-head{
  display:flex;align-items:center;gap:10px;margin-bottom:8px;
}
.essay-wrap + .essay-wrap{margin-top:14px}

/* ---- 逐句对照 ---- */
.pair-box{
  border:1px solid var(--border);border-radius:var(--radius-sm);
  overflow:hidden;background:#0c1116;
}
.pair{
  display:grid;grid-template-columns:1fr 1fr;
  border-bottom:1px solid var(--border);
  transition:background .12s;
}
.pair:last-child{border-bottom:0}
.pair:hover{background:rgba(74,158,255,.05)}
.pair-en{
  padding:9px 13px;
  font-family:"SF Mono",Consolas,"Courier New",monospace;
  font-size:13.4px;line-height:1.7;color:#cfe4ff;
  border-right:1px solid var(--border);
  word-break:break-word;
}
.pair-zh{
  padding:9px 13px;
  font-size:13.2px;line-height:1.7;color:var(--text2);
  background:rgba(62,207,142,.05);
  word-break:break-word;
}
.pair-zh.missing{color:var(--red);font-style:italic;font-size:12px}

/* 骨架中文 */
.skel-zh{
  font-family:inherit;font-size:12.8px;color:var(--green);
  margin-top:3px;line-height:1.65;opacity:.88;
}

/* 中文对照开关 */
.btn-toggle{
  font-size:12.5px;font-family:inherit;padding:6px 13px;border-radius:20px;
  background:var(--surface2);border:1px solid var(--border);color:var(--muted);
  cursor:pointer;white-space:nowrap;transition:background .14s,color .14s,border-color .14s;
}
.btn-toggle.on{
  background:rgba(62,207,142,.16);border-color:rgba(62,207,142,.45);color:var(--green);
}
.btn-toggle:hover{filter:brightness(1.18)}
.essay-head .eh-title{font-size:13.5px;font-weight:600;color:var(--text)}
.essay-head .eh-title.zh{color:var(--green)}

.copy-btn{
  margin-left:auto;font-size:11.5px;font-family:inherit;
  background:var(--surface2);border:1px solid var(--border);color:var(--text2);
  padding:3px 11px;border-radius:20px;cursor:pointer;transition:all .12s;white-space:nowrap;
}
.copy-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.copy-btn.done{background:var(--green);border-color:var(--green);color:#08130d}

/* 骨架 */
.skel-row{
  display:flex;gap:13px;padding:11px 0;border-bottom:1px dashed var(--border);
}
.skel-row:last-child{border-bottom:0}
.skel-part{
  flex:0 0 92px;font-size:12.5px;font-weight:700;color:var(--accent);
}
.skel-text{flex:1;font-size:13.5px;color:var(--text2);line-height:1.7;font-family:"SF Mono",Consolas,monospace}

/* 列表 */
ul.plain{list-style:none}
ul.plain li{
  position:relative;padding-left:20px;margin-bottom:8px;
  font-size:13.8px;color:var(--text2);line-height:1.7;
}
ul.plain li::before{
  content:"▸";position:absolute;left:2px;color:var(--accent);font-size:12px;
}
ul.plain.warn li::before{content:"⚠";color:var(--amber)}
ul.plain.tick li::before{content:"✓";color:var(--green)}

/* 句型行 */
.phrase-row{
  display:flex;gap:12px;align-items:flex-start;
  padding:10px 12px;border-radius:var(--radius-sm);
  transition:background .12s;
}
.phrase-row:hover{background:var(--surface2)}
.phrase-row + .phrase-row{border-top:1px solid var(--border)}
.pr-body{flex:1;min-width:0}
.pr-en{
  font-family:"SF Mono",Consolas,monospace;font-size:13.8px;
  color:#cfe4ff;line-height:1.65;word-break:break-word;
}
.pr-zh{font-size:13px;color:var(--muted);margin-top:2px}
.pr-note{font-size:12px;color:var(--amber);margin-top:3px}
.star{
  background:transparent;border:0;font-size:16px;cursor:pointer;
  color:var(--surface3);padding:2px 4px;line-height:1;flex:0 0 auto;
  transition:transform .12s,color .12s;
}
.star:hover{transform:scale(1.25)}
.star.on{color:var(--amber)}

/* 搜索高亮 */
mark{background:rgba(255,176,32,.3);color:var(--amber);border-radius:3px;padding:0 2px}

/* 写作台 */
.desk{display:grid;grid-template-columns:1fr 300px;gap:18px;align-items:start}
#draft{
  width:100%;min-height:400px;padding:16px;border-radius:var(--radius);
  background:#0c1116;border:1px solid var(--border);color:var(--text);
  font-family:"SF Mono",Consolas,monospace;font-size:14px;line-height:1.95;
  resize:vertical;outline:none;transition:border-color .15s;
}
#draft:focus{border-color:var(--accent)}
.desk-side{display:flex;flex-direction:column;gap:12px;position:sticky;top:0}
.stat-box{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:13px 15px;
}
.stat-label{font-size:11.5px;color:var(--muted);letter-spacing:.4px;text-transform:uppercase}
.stat-value{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.3}
.stat-value.ok{color:var(--green)}
.stat-value.warn{color:var(--amber)}
.stat-value.low{color:var(--red)}
.stat-hint{font-size:11.5px;color:var(--muted);margin-top:2px}
.bar{height:5px;background:var(--surface3);border-radius:3px;overflow:hidden;margin-top:9px}
.bar > i{display:block;height:100%;background:var(--accent);border-radius:3px;transition:width .25s,background .25s}

#timer{font-size:30px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:1px}
#timer.over{color:var(--red)}
.timer-row{display:flex;gap:6px;margin-top:9px}
.timer-row button{
  flex:1;font-size:12.5px;font-family:inherit;padding:6px;border-radius:var(--radius-sm);
  background:var(--surface2);border:1px solid var(--border);color:var(--text2);cursor:pointer;
}
.timer-row button:hover{background:var(--surface3);color:var(--text)}

.draft-item{
  display:flex;align-items:center;gap:8px;padding:7px 10px;
  background:var(--surface2);border-radius:var(--radius-sm);font-size:12.5px;
}
.draft-item .di-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;cursor:pointer}
.draft-item .di-name:hover{color:var(--accent)}
.draft-item button{
  background:transparent;border:0;color:var(--muted);cursor:pointer;font-size:13px;padding:1px 4px;
}
.draft-item button:hover{color:var(--red)}

/* 自查清单 */
.check-group{margin-bottom:20px}
.check-item{
  display:flex;gap:11px;align-items:flex-start;
  padding:9px 12px;border-radius:var(--radius-sm);cursor:pointer;
  transition:background .12s;font-size:13.8px;line-height:1.7;color:var(--text2);
}
.check-item:hover{background:var(--surface2)}
.check-item input{
  margin-top:5px;width:16px;height:16px;accent-color:var(--green);cursor:pointer;flex:0 0 auto;
}
.check-item.done{color:var(--muted);text-decoration:line-through;text-decoration-color:var(--surface3)}
.check-item strong{color:var(--text)}

/* 表格 */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{padding:9px 11px;text-align:left;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-weight:600;font-size:12.5px;letter-spacing:.3px}
tbody tr:hover{background:var(--surface2)}
td.num{font-variant-numeric:tabular-nums}

/* 错误对照 */
.err-row{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;
  padding:11px 0;border-bottom:1px dashed var(--border);font-size:13.5px;
}
.err-row:last-child{border-bottom:0}
.err-wrong{color:var(--red);font-family:"SF Mono",Consolas,monospace;font-size:13px}
.err-right{color:var(--green);font-family:"SF Mono",Consolas,monospace;font-size:13px}
.err-why{grid-column:1/-1;font-size:12.5px;color:var(--muted)}

/* 提示条 */
.tip{
  background:rgba(74,158,255,.08);border:1px solid rgba(74,158,255,.28);
  border-left:3px solid var(--accent);
  border-radius:var(--radius-sm);padding:12px 15px;font-size:13.5px;color:var(--text2);
  margin-bottom:16px;line-height:1.7;
}
.tip.warn{background:rgba(255,176,32,.08);border-color:rgba(255,176,32,.3);border-left-color:var(--amber)}
.tip strong{color:var(--text)}

/* 返回按钮 */
.back-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--surface2);border:1px solid var(--border);color:var(--text2);
  font-size:13px;font-family:inherit;padding:6px 14px;border-radius:20px;
  cursor:pointer;margin-bottom:16px;
}
.back-btn:hover{background:var(--surface3);color:var(--text)}

/* toast */
#toast{
  position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--green);color:#08130d;font-size:13.5px;font-weight:600;
  padding:10px 22px;border-radius:24px;box-shadow:var(--shadow);
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:99;
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

.empty{color:var(--muted);font-size:13.5px;padding:30px 0;text-align:center}

/* ---- 高频词抽查 ---- */
.wq-row{display:flex;align-items:center;gap:9px;flex-wrap:wrap;padding:7px 0}
.wq-label{font-size:12px;color:var(--muted);flex:0 0 40px;letter-spacing:.5px}
.wq-tip{font-size:12px;color:var(--muted);margin-left:auto;line-height:1.5}
.wq-top{display:flex;align-items:baseline;justify-content:space-between;font-size:12px;color:var(--muted);letter-spacing:.4px;margin-bottom:12px}
.wq-prompt{font-size:27px;font-weight:700;line-height:1.35;letter-spacing:.2px;word-break:break-word}
.wq-prompt.zh{font-size:21px;font-weight:600;line-height:1.5}
.wq-pos{font-size:13px;color:var(--muted);margin-top:5px;font-family:"SF Mono",Consolas,monospace}
.wq-opt{display:block;width:100%;text-align:left;padding:12px 15px;margin-bottom:9px;border-radius:10px;
  border:1px solid var(--border);background:var(--surface2);color:var(--text);
  font-size:14.2px;font-family:inherit;line-height:1.55;cursor:pointer;
  transition:border-color .12s,background .12s}
.wq-opt:hover:not(:disabled){border-color:var(--accent);background:var(--surface3)}
.wq-opt:disabled{cursor:default}
.wq-opt.ok{border-color:var(--green);background:rgba(62,207,142,.14)}
.wq-opt.bad{border-color:var(--red);background:rgba(255,92,92,.12)}
.wq-fb{font-size:13.5px;line-height:1.7;padding:10px 13px;border-radius:8px;border-left:3px solid var(--border)}
.wq-fb.ok{border-left-color:var(--green);background:rgba(62,207,142,.08)}
.wq-fb.bad{border-left-color:var(--red);background:rgba(255,92,92,.07)}
.wq-fb b{font-family:"SF Mono",Consolas,monospace;color:var(--text)}
.wq-input{width:100%;padding:9px 12px;border-radius:9px;border:1px solid var(--border);background:var(--surface2);
  color:var(--text);font-size:13px;font-family:inherit;margin-bottom:10px;outline:none}
.wq-input:focus{border-color:var(--accent)}
.wq-input::placeholder{color:var(--muted)}
.wq-list{max-height:430px;overflow:auto;display:grid;grid-template-columns:1fr 1fr;gap:2px 18px;padding-right:4px}
.wq-item{display:flex;gap:7px;align-items:baseline;font-size:13px;padding:5px 2px;border-bottom:1px solid var(--border)}
.wq-item b{font-family:"SF Mono",Consolas,monospace;color:var(--text);flex:0 0 auto}
.wq-item i{font-style:normal;color:var(--muted);font-size:11.5px;flex:0 0 auto}
.wq-item span{color:var(--text2);flex:1;min-width:0}
.wq-item em{font-style:normal;font-size:11px;color:var(--red);flex:0 0 auto}
.wq-item u{text-decoration:none;font-size:10.5px;line-height:1.5;padding:1px 4px;border-radius:4px;
  background:rgba(74,158,255,.16);color:var(--accent);flex:0 0 auto}
.wq-item u.mid{background:rgba(167,139,250,.16);color:var(--purple)}
.btn-link{background:none;border:0;color:var(--accent);font-size:12px;font-family:inherit;cursor:pointer;padding:0;text-decoration:underline}

/* 单词正确率榜 */
.wr-mask{position:fixed;inset:0;background:rgba(0,0,0,.55);display:none;align-items:center;justify-content:center;
  z-index:80;padding:18px}
.wr-mask.open{display:flex}
.wr-box{width:100%;max-width:520px;max-height:80vh;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.wr-head{display:flex;align-items:baseline;gap:9px;padding:14px 16px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.wr-head b{font-size:15px}
.wr-sub{font-size:11.5px;color:var(--muted)}
.wr-x{margin-left:auto;background:none;border:0;color:var(--muted);font-size:15px;cursor:pointer;padding:2px 6px}
.wr-x:hover{color:var(--text)}
.wr-list{overflow:auto;padding:6px 10px 10px}
.wr-row{display:grid;grid-template-columns:38px 1fr 52px 52px 68px;gap:4px;align-items:center;
  padding:7px 6px;border-radius:7px;font-size:13px}
.wr-head-row{color:var(--muted);font-size:11.5px;letter-spacing:.4px;border-bottom:1px solid var(--border);border-radius:0}
.wr-row.self{background:rgba(74,158,255,.12);font-weight:600}
.wr-row.top1{background:rgba(255,176,32,.12)}
.wr-row.top2{background:rgba(148,163,184,.12)}
.wr-row.top3{background:rgba(255,140,90,.10)}
.wr-row.self{outline:1px solid rgba(74,158,255,.45)}
.wr-user{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.wr-acc{font-variant-numeric:tabular-nums}
.wr-empty{padding:26px 12px;text-align:center;color:var(--muted);font-size:13px;line-height:1.7}
.wr-foot{display:flex;align-items:center;gap:10px;padding:10px 14px;border-top:1px solid var(--border)}
.wr-hint{font-size:11.5px;color:var(--muted)}

/* ---------------- 响应式 ---------------- */
@media (max-width:900px){
  .desk{grid-template-columns:1fr}
  .desk-side{position:static}
}

@media (max-width:760px){
  #sidebar{
    position:fixed;left:0;top:0;bottom:0;z-index:50;
    transform:translateX(-100%);transition:transform .22s ease;
    box-shadow:var(--shadow);
  }
  #sidebar.open{transform:translateX(0)}
  .btn-icon{display:block}
  #view{padding:16px 15px 90px}
  #search{width:150px}
  #search:focus{width:170px}
  .brand-title{font-size:17px}
  .err-row{grid-template-columns:1fr}
  h1.page-title{font-size:20px}
  .skel-part{flex:0 0 74px;font-size:11.5px}
  .pair{grid-template-columns:1fr}
  .pair-en{border-right:0;border-bottom:1px dashed var(--border)}
  .wq-list{grid-template-columns:1fr;max-height:340px}
  .wq-prompt{font-size:23px}
  .btn-toggle{font-size:11.5px;padding:5px 10px}
  #search{width:120px}
  #search:focus{width:150px}
  #crumb{display:none}
  #topbar{gap:8px;padding:0 12px}
  .theme-btn{min-width:0;font-size:11.5px;padding:5px 9px}
  .notice-bar{font-size:12.5px;padding:8px 13px}
  #search{width:105px}
  #search:focus{width:125px}
}

/* 滚动条 */
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--surface3);border-radius:5px}
::-webkit-scrollbar-thumb:hover{background:#37424f}

/* 打印：把内容打到纸上背 */
@media print{
  #sidebar,#topbar,.copy-btn,.star{display:none!important}
  body{background:#fff;color:#000;overflow:visible}
  #app{display:block;height:auto}
  #view{overflow:visible;padding:0}
  .card,.essay{border-color:#ccc;background:#fff;color:#000}
  .essay{background:#f7f7f7}
}