:root{
  --bg:#0f1216;
  --bg-soft:#161b22;
  --card:#1a2028;
  --card-2:#212833;
  --line:#2a323d;
  --text:#e8edf4;
  --text-dim:#9aa7b6;
  --text-mute:#6f7d8c;
  --accent:#4ea8ff;
  --accent-2:#7c6cff;
  --ok:#3fbf7f;
  --warn:#e8a33d;
  --danger:#e2604f;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,0,0,.28);
}

*{box-sizing:border-box}

html,body{margin:0;padding:0}

body{
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(78,168,255,.16), transparent 60%),
    radial-gradient(700px 500px at 92% 0%, rgba(124,108,255,.14), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{line-height:1.3;margin:0 0 10px}
h1{font-size:30px;letter-spacing:-.4px}
h2{font-size:19px}
h3{font-size:15px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.6px;font-weight:600}
p{margin:0 0 10px}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  padding:12px 22px;
  background:rgba(15,18,22,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;font-weight:800;font-size:12px;letter-spacing:.5px;
  padding:6px 9px;border-radius:9px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:15px}
.brand-text span{font-size:11.5px;color:var(--text-mute)}

.tabs{display:flex;gap:4px;flex-wrap:wrap}
.tab{
  background:transparent;border:1px solid transparent;color:var(--text-dim);
  padding:7px 15px;border-radius:999px;cursor:pointer;font-size:14.5px;
  font-family:inherit;transition:.15s;
}
.tab:hover{color:var(--text);background:var(--card)}
.tab.active{background:var(--card-2);color:#fff;border-color:var(--line);font-weight:600}

.voice-toggle{margin-left:auto}

/* ---------- 语音设置面板 ---------- */
.voice-panel{
  position:sticky;top:56px;z-index:45;
  background:rgba(22,27,34,.97);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  padding:16px 22px 14px;
}
.voice-grid{display:flex;gap:16px;align-items:flex-end;flex-wrap:wrap}
.voice-grid .field.grow{flex:1;min-width:280px}
.voice-grid input[type=range]{
  -webkit-appearance:none;appearance:none;width:150px;height:4px;border-radius:99px;
  background:#2b3440;outline:none;cursor:pointer;
}
.voice-grid input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:15px;height:15px;border-radius:50%;
  background:var(--accent);cursor:pointer;border:2px solid #0f1216;
}
.voice-panel .note{max-width:920px;margin:10px 0 0;line-height:1.7}
.voice-panel .note b{color:var(--accent)}
.voice-grid .btn{margin-bottom:1px}

main{max-width:1080px;margin:0 auto;padding:26px 20px 90px}

/* ---------- 出错提示条 ---------- */
.js-error{
  background:#3a1d1a;border-bottom:1px solid var(--danger);color:#ffd9d3;
  padding:14px 22px;font-size:14px;line-height:1.7;
}
.js-error b{color:#ff9c8c}
.js-error.hidden{display:none !important}

.view{display:none;animation:fade .22s ease}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- 通用组件 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;margin-bottom:16px;
}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-2.inner{gap:22px}
@media(max-width:820px){.grid-2,.grid-3{grid-template-columns:1fr}}

.btn{
  font-family:inherit;font-size:14.5px;cursor:pointer;
  background:var(--card-2);color:var(--text);
  border:1px solid var(--line);border-radius:10px;
  padding:9px 16px;transition:.15s;white-space:nowrap;
}
.btn:hover{background:#2b3440;border-color:#3a4655}
.btn:active{transform:translateY(1px)}
.btn.primary{background:linear-gradient(135deg,var(--accent),#3d8ce0);border-color:transparent;color:#fff;font-weight:600}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ok{background:rgba(63,191,127,.16);border-color:rgba(63,191,127,.45);color:#7fe0ab}
.btn.warn{background:rgba(232,163,61,.16);border-color:rgba(232,163,61,.45);color:#f0bd72}
.btn.danger{background:rgba(226,96,79,.16);border-color:rgba(226,96,79,.45);color:#f28e80}
.btn.lg{padding:12px 22px;font-size:15.5px}
.btn.big{padding:13px 20px;font-size:15.5px;flex:1}
.btn.ghost{background:transparent}

.icon-btn{
  background:var(--card-2);border:1px solid var(--line);border-radius:9px;
  cursor:pointer;color:var(--text-dim);font-size:15px;padding:5px 9px;line-height:1;
  transition:.15s;
}
.icon-btn:hover{color:var(--accent);border-color:var(--accent)}
.icon-btn.on{color:var(--warn);border-color:var(--warn)}

.bar{height:6px;background:#0d1116;border-radius:999px;overflow:hidden;flex:1;min-width:60px}
.bar > i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .35s ease}

.note{font-size:13.5px;color:var(--text-mute)}
.hidden{display:none !important}
.plain{margin:0;padding-left:20px;color:var(--text-dim);font-size:14.5px}
.plain li{margin-bottom:9px}
.plain b{color:var(--text)}

/* ---------- 首页 ---------- */
.hero{
  display:flex;gap:26px;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;
  background:linear-gradient(135deg,rgba(78,168,255,.13),rgba(124,108,255,.1));
  border:1px solid var(--line);border-radius:20px;padding:30px;margin-bottom:18px;
}
.hero h1{font-size:27px;max-width:620px}
.eyebrow{font-size:13px;color:var(--accent);letter-spacing:.4px;margin-bottom:8px;font-weight:600}
.hero-sub{font-size:14px;color:var(--text-dim);margin:0}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}

.stat-card{display:flex;flex-direction:column;gap:6px}
.stat-label{font-size:13px;color:var(--text-mute)}
.stat-value{font-size:32px;font-weight:700;line-height:1.1}
.stat-foot{font-size:12.5px;color:var(--text-mute);margin-bottom:4px}

.tasklist{list-style:none;margin:0;padding:0}
.tasklist li{
  display:flex;align-items:center;gap:11px;padding:11px 0;border-bottom:1px solid var(--line);
  font-size:14.5px;color:var(--text-dim);
}
.tasklist li:last-child{border-bottom:none}
.tasklist li.done{color:var(--text-mute);text-decoration:line-through}
.tick{
  width:20px;height:20px;border-radius:6px;border:1px solid var(--line);
  display:grid;place-items:center;font-size:12px;flex:0 0 auto;color:transparent;
}
.tick.on{background:var(--ok);border-color:var(--ok);color:#08150e}

.level-box{display:flex;flex-direction:column;gap:14px;margin:6px 0 14px}
.level-row{display:flex;gap:12px;align-items:flex-start}
.level-row p{margin:0;font-size:14px;color:var(--text-dim)}
.level-row b{color:var(--text)}
.level-tag{
  flex:0 0 auto;font-size:12px;padding:3px 10px;border-radius:999px;font-weight:600;
  background:var(--card-2);border:1px solid var(--line);color:var(--text-dim);
}
.level-tag.goal{background:rgba(78,168,255,.14);border-color:rgba(78,168,255,.4);color:#8cc6ff}

/* ---------- 子标签 / 工具条 ---------- */
.subtabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px}
.subtab{
  background:var(--card);border:1px solid var(--line);color:var(--text-dim);
  padding:8px 16px;border-radius:10px;cursor:pointer;font-size:14.5px;font-family:inherit;transition:.15s;
}
.subtab:hover{color:var(--text)}
.subtab.active{background:var(--card-2);color:#fff;border-color:#3a4655;font-weight:600}

.panel{display:none}
.panel.active{display:block}

.toolbar{
  display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 16px;margin-bottom:16px;
}
.field{display:flex;flex-direction:column;gap:5px;font-size:12.5px;color:var(--text-mute)}
.field.grow{flex:1;min-width:200px}
.field select,.field input[type=search],.field input[type=text]{
  font-family:inherit;font-size:14.5px;color:var(--text);
  background:var(--card-2);border:1px solid var(--line);border-radius:9px;
  padding:8px 11px;min-width:130px;outline:none;
}
.field input[type=search]{width:100%}
.field select:focus,.field input:focus{border-color:var(--accent)}
.field.checkbox{flex-direction:row;align-items:center;gap:7px;font-size:14px;color:var(--text-dim);padding-bottom:9px;cursor:pointer}
.field.checkbox input{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}

/* ---------- 学习卡片 ---------- */
.study-wrap{max-width:760px;margin:0 auto}
.progress-line{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-mute);margin-bottom:12px;white-space:nowrap}

.flashcard{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:38px 32px;min-height:300px;display:flex;flex-direction:column;justify-content:center;
  box-shadow:var(--shadow);margin-bottom:16px;
}
.word-line{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.word-line h2{font-size:38px;margin:0;letter-spacing:-.5px}
.phonetic{color:var(--accent);font-size:15px;margin:6px 0 2px;font-family:"America Mono",Menlo,monospace}
.pos{color:var(--text-mute);font-size:14px;margin:0 0 4px}
.hint{color:var(--text-mute);font-size:13.5px;margin:16px 0 0}

.cn-meaning{font-size:23px;font-weight:600;margin:0 0 8px}
.en-def{color:var(--text-dim);font-size:15px;margin:0 0 16px}
.example{
  border-left:3px solid var(--accent);padding:4px 0 4px 14px;margin-bottom:14px;
}
.ex-en{font-size:16px;margin:0 0 4px}
.ex-en b{color:#8cc6ff;font-weight:600}
.ex-cn{font-size:13.5px;color:var(--text-mute);margin:0}
.syn-line{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.chip{
  font-size:12.5px;padding:3px 10px;border-radius:999px;
  background:rgba(124,108,255,.14);border:1px solid rgba(124,108,255,.35);color:#b3a8ff;
}
.chip.topic{background:rgba(78,168,255,.12);border-color:rgba(78,168,255,.32);color:#8cc6ff}
.tags{display:flex;flex-wrap:wrap;gap:7px;align-items:center}
.star-btn{background:transparent;border:1px solid var(--line);border-radius:9px;color:var(--text-mute);cursor:pointer;padding:4px 10px;font-size:14px}
.star-btn.on{color:var(--warn);border-color:var(--warn)}

.study-actions{display:flex;gap:10px;flex-wrap:wrap}
.kbd-tip{text-align:center;font-size:12.5px;color:var(--text-mute);margin-top:16px}
kbd{
  background:var(--card-2);border:1px solid var(--line);border-bottom-width:2px;
  border-radius:5px;padding:1px 6px;font-size:11.5px;font-family:ui-monospace,Menlo,monospace;color:var(--text-dim);
}
.session-done{
  background:linear-gradient(135deg,rgba(63,191,127,.14),rgba(78,168,255,.1));
  border:1px solid rgba(63,191,127,.35);border-radius:18px;padding:26px;text-align:center;
}
.session-done h2{margin-bottom:6px}
.session-done p{color:var(--text-dim);font-size:14.5px}

/* ---------- 测试 ---------- */
.quiz-box{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px}
.quiz-question{font-size:22px;font-weight:600;margin:18px 0 20px;line-height:1.5}
.quiz-question small{display:block;font-size:13.5px;color:var(--text-mute);font-weight:400;margin-top:6px}
.quiz-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:680px){.quiz-options{grid-template-columns:1fr}}
.opt{
  text-align:left;background:var(--card-2);border:1px solid var(--line);color:var(--text);
  padding:14px 16px;border-radius:11px;cursor:pointer;font-size:15px;font-family:inherit;transition:.15s;
}
.opt:hover{border-color:var(--accent)}
.opt.correct{background:rgba(63,191,127,.18);border-color:var(--ok);color:#8ff0bb}
.opt.wrong{background:rgba(226,96,79,.16);border-color:var(--danger);color:#f5a294}
.opt:disabled{cursor:default}
.quiz-spell{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.quiz-spell input{
  flex:1;min-width:220px;font-family:inherit;font-size:17px;
  background:var(--card-2);border:1px solid var(--line);border-radius:11px;padding:12px 14px;color:var(--text);outline:none;
}
.quiz-spell input:focus{border-color:var(--accent)}
.quiz-feedback{margin-top:16px;font-size:15px;min-height:24px}
.quiz-feedback .fb-ok{color:#7fe0ab}
.quiz-feedback .fb-no{color:#f28e80}
.quiz-result{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;text-align:center}
.quiz-result .score-big{font-size:56px;font-weight:800;line-height:1;margin:10px 0}
.quiz-result .wrong-list{text-align:left;max-width:560px;margin:20px auto 0}

/* ---------- 词库 / 生词本 ---------- */
.browse-list{display:flex;flex-direction:column;gap:10px}
.word-row{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;
}
.word-row-main{flex:1;min-width:0}
.word-row-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:3px}
.word-row-top strong{font-size:18px;font-weight:600}
.word-row-top .ph{color:var(--accent);font-size:13px;font-family:Menlo,monospace}
.word-row-cn{font-size:14.5px;margin-bottom:4px}
.word-row-ex{font-size:13.5px;color:var(--text-mute)}
.word-row-side{display:flex;gap:7px;align-items:center;flex:0 0 auto}
.state-dot{width:8px;height:8px;border-radius:50%;background:var(--text-mute);flex:0 0 auto}
.state-dot.learning{background:var(--warn)}
.state-dot.mastered{background:var(--ok)}
.empty{padding:40px 20px;text-align:center;color:var(--text-mute);font-size:14.5px}

/* ---------- 口语 ---------- */
.qa-list{display:flex;flex-direction:column;gap:12px}
.qa-card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.qa-q{
  display:flex;gap:12px;align-items:flex-start;justify-content:space-between;
  padding:15px 18px;cursor:pointer;
}
.qa-q:hover{background:var(--card-2)}
.qa-q h3{font-size:16.5px;color:var(--text);text-transform:none;letter-spacing:0;font-weight:600;margin:0}
.qa-q .q-cn{font-size:13.5px;color:var(--text-mute);margin:4px 0 0}
.qa-toggle{color:var(--text-mute);font-size:13px;flex:0 0 auto;padding-top:2px}
.qa-a{display:none;padding:0 18px 18px;border-top:1px solid var(--line)}
.qa-a.open{display:block}
.answer-en{font-size:15.5px;line-height:1.85;margin:16px 0 10px}
.answer-en p{margin:0 0 12px}
.answer-en b{color:#8cc6ff;font-weight:600;background:rgba(78,168,255,.1);border-radius:4px;padding:0 3px}
.answer-cn{font-size:13.5px;color:var(--text-mute);margin:0 0 14px;line-height:1.85}
.answer-cn p{margin:0 0 10px}
.qa-tools{display:flex;gap:8px;flex-wrap:wrap}
.tip-box{
  background:rgba(124,108,255,.09);border:1px solid rgba(124,108,255,.28);
  border-radius:11px;padding:12px 14px;font-size:13.5px;color:var(--text-dim);margin-bottom:12px;
}
.tip-box b{color:#b3a8ff}

.cue-box{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px}
.cue-card{
  border:2px dashed #3a4655;border-radius:14px;padding:22px;background:var(--bg-soft);margin-bottom:20px;
}
.cue-card h2{font-size:21px;margin-bottom:14px}
.cue-card ul{margin:0;padding-left:20px;color:var(--text-dim);font-size:15px}
.cue-card li{margin-bottom:7px}

.timer{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:6px 0 18px}
.timer-display{
  font-size:38px;font-weight:700;font-variant-numeric:tabular-nums;
  font-family:Menlo,ui-monospace,monospace;letter-spacing:1px;min-width:120px;
}
.timer-display.prep{color:var(--warn)}
.timer-display.speak{color:var(--ok)}
.timer-display.over{color:var(--danger)}

.rec-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.rec-dot{width:11px;height:11px;border-radius:50%;background:var(--danger);display:none}
.rec-dot.on{display:block;animation:pulse 1.1s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.rec-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.rec-item:last-child{border-bottom:none}
.rec-item audio{height:36px;flex:1;min-width:220px}
.rec-meta{font-size:12.5px;color:var(--text-mute);min-width:110px}

.selfcheck{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}
@media(max-width:680px){.selfcheck{grid-template-columns:1fr}}
.selfcheck label{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:var(--text-dim);cursor:pointer}
.selfcheck input{accent-color:var(--accent);margin-top:5px}

/* ---------- 语法 ---------- */
.grammar-list{display:flex;flex-direction:column;gap:14px}
.grammar-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.grammar-card h3{color:var(--text);font-size:17px;text-transform:none;letter-spacing:0;margin-bottom:6px}
.grammar-why{font-size:13.5px;color:var(--text-mute);margin-bottom:14px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
@media(max-width:680px){.compare{grid-template-columns:1fr}}
.cmp{border-radius:11px;padding:12px 14px;font-size:14.5px;line-height:1.6}
.cmp.bad{background:rgba(226,96,79,.1);border:1px solid rgba(226,96,79,.32)}
.cmp.good{background:rgba(63,191,127,.1);border:1px solid rgba(63,191,127,.32)}
.cmp .lbl{display:block;font-size:11.5px;letter-spacing:.5px;font-weight:700;margin-bottom:6px}
.cmp.bad .lbl{color:#f28e80}
.cmp.good .lbl{color:#7fe0ab}
.cmp em{font-style:normal;text-decoration:underline;text-decoration-color:rgba(255,255,255,.35);text-underline-offset:3px}
.rule{font-size:14.5px;color:var(--text-dim);background:var(--bg-soft);border-radius:11px;padding:12px 14px;border:1px solid var(--line)}
.rule b{color:var(--text)}
.rule code{background:var(--card-2);padding:1px 6px;border-radius:5px;font-size:13px;color:#8cc6ff}

/* ---------- 计划 ---------- */
.plan-list{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}
.plan-week{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;display:flex;gap:18px}
@media(max-width:680px){.plan-week{flex-direction:column;gap:8px}}
.plan-week .wk{
  flex:0 0 auto;font-size:13px;font-weight:700;color:#8cc6ff;
  background:rgba(78,168,255,.13);border:1px solid rgba(78,168,255,.3);
  border-radius:9px;padding:5px 12px;height:fit-content;
}
.plan-week h3{color:var(--text);font-size:16px;text-transform:none;letter-spacing:0;margin-bottom:6px}
.plan-week p{margin:0;font-size:14px;color:var(--text-dim)}
.plan-week .goal{margin-top:8px;font-size:13px;color:var(--text-mute)}
.plan-week .goal b{color:var(--ok)}

/* ---------- 复习：阶段标签 / 安排表 / 遗忘曲线 ---------- */
.stage-pill{
  font-size:12.5px;color:var(--text-dim);white-space:nowrap;
  background:var(--card);border:1px solid var(--line);border-radius:999px;padding:2px 11px;
}
.stage-pill:empty{display:none;padding:0;border:none}
.phonetic b{color:var(--accent);font-weight:600}

.sched-row{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px solid var(--line)}
.sched-row:last-child{border-bottom:none}
.sched-label{flex:0 0 112px;font-size:14px;color:var(--text-dim)}
.sched-num{flex:0 0 44px;text-align:right;font-variant-numeric:tabular-nums;color:var(--text)}

.curve-card .note{margin-bottom:16px}
.curve-svg{width:100%;height:auto;display:block;margin-bottom:4px}
.cv-grid{stroke:#232b35;stroke-width:1}
.cv-axis{fill:var(--text-mute);font-size:11px;font-family:inherit}
.cv-tick{fill:var(--text-dim);font-size:11px;font-family:inherit}
.cv-mark{stroke:#3a4655;stroke-width:1;stroke-dasharray:3 4}
.cv-dot{fill:var(--accent);stroke:#0f1216;stroke-width:1.5}
.cv-area{fill:rgba(78,168,255,.10);stroke:none}
.cv-noreview{fill:none;stroke:var(--danger);stroke-width:2;stroke-dasharray:6 5}
.cv-review{fill:none;stroke:var(--accent);stroke-width:2.5;stroke-linejoin:round}
.curve-legend{display:flex;gap:18px;flex-wrap:wrap;align-items:center;margin-top:12px;font-size:13px;color:var(--text-dim)}
.curve-legend i{
  display:inline-block;width:22px;height:0;border-top-width:2px;border-top-style:solid;
  margin-right:7px;vertical-align:middle;
}
.lg-dash{border-top-color:var(--danger);border-top-style:dashed}
.lg-line{border-top-color:var(--accent)}

/* ---------- 7 分路线 ---------- */
.section-title{
  font-size:22px;margin:30px 0 6px;letter-spacing:-.3px;
}
h4{font-size:13.5px;color:var(--text-mute);text-transform:uppercase;letter-spacing:.5px;margin:16px 0 8px;font-weight:600}

.time-table{display:flex;flex-direction:column;gap:2px;margin-top:4px}
.time-row{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:10px 0;border-bottom:1px solid var(--line);font-size:14.5px;
}
.time-row:last-child{border-bottom:none}
.time-key{color:var(--text-dim)}
.time-row b{color:var(--text);white-space:nowrap}
.warn-text{color:var(--warn) !important}

.score-calc{
  display:flex;gap:14px;align-items:flex-end;flex-wrap:wrap;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:16px;
}
.score-out{
  flex:1;min-width:210px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  border-left:1px solid var(--line);padding-left:18px;
}
.score-avg{font-size:14px;color:var(--text-dim)}
.score-avg b{font-size:22px;color:var(--text);font-variant-numeric:tabular-nums}
.score-band{font-size:14px;color:var(--text-dim)}
.score-band b{font-size:26px;font-variant-numeric:tabular-nums}
.score-band.ok b{color:var(--ok)}
.score-band.no b{color:var(--warn)}
.score-out .note{flex:1 0 100%;margin:0}

.combo-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:820px){.combo-list{grid-template-columns:1fr}}
.combo{background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.combo-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.combo-tag{
  font-size:12px;padding:2px 10px;border-radius:999px;font-weight:600;
  background:rgba(78,168,255,.14);border:1px solid rgba(78,168,255,.35);color:#8cc6ff;
}
.combo-band{font-size:14px;color:var(--ok);font-weight:600}
.combo-scores{font-size:14.5px;color:var(--text-dim);margin-bottom:6px;font-variant-numeric:tabular-nums}

.roadmap-list{display:flex;flex-direction:column;gap:16px}
.rm-phase{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 22px}
.rm-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.rm-head h3{margin:0;font-size:18px;color:var(--text);text-transform:none;letter-spacing:0}
.rm-wk{
  flex:0 0 auto;font-size:12.5px;font-weight:700;color:#8cc6ff;
  background:rgba(78,168,255,.13);border:1px solid rgba(78,168,255,.3);
  border-radius:9px;padding:4px 12px;
}
.rm-goal{margin:0 0 4px;font-size:14.5px;color:var(--text-dim)}
.rm-goal b,.rm-check b{color:var(--text)}
.rm-videos{display:flex;flex-direction:column;gap:8px}
.rm-video{
  display:block;font-size:13.5px;color:var(--text);
  background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;
  padding:9px 12px;text-decoration:none;transition:.15s;line-height:1.5;
}
.rm-video:hover{border-color:var(--accent);color:#8cc6ff}
.rm-video span{display:block;font-size:12px;color:var(--text-mute);margin-top:2px}
.rm-check{
  margin-top:16px;font-size:14px;color:var(--text-dim);
  background:rgba(63,191,127,.08);border:1px solid rgba(63,191,127,.28);
  border-radius:11px;padding:12px 14px;
}

.video-list{display:flex;flex-direction:column;gap:12px}
.video-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.vc-top{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:4px}
.vc-cat{
  flex:0 0 auto;font-size:11.5px;padding:2px 9px;border-radius:999px;
  background:var(--card-2);border:1px solid var(--line);color:var(--text-mute);
}
.vc-title{font-size:16.5px;font-weight:600;color:var(--text);text-decoration:none;line-height:1.4}
.vc-title:hover{color:#8cc6ff;text-decoration:underline}
.vc-meta{font-size:12.5px;color:var(--text-mute);margin-bottom:10px}
.vc-why,.vc-use{font-size:14px;color:var(--text-dim);margin:0 0 6px;line-height:1.7}
.vc-why b,.vc-use b{color:var(--text)}
.vc-use b{color:#7fe0ab}
.vc-open{
  display:inline-block;margin-top:6px;font-size:13.5px;color:var(--accent);
  text-decoration:none;border-bottom:1px dashed rgba(78,168,255,.5);
}
.vc-open:hover{color:#8cc6ff}

/* ---------- 提示条 ---------- */
.callout{
  background:linear-gradient(135deg,rgba(78,168,255,.1),rgba(124,108,255,.08));
  border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:18px;
}
.callout p{color:var(--text-dim);font-size:14.5px;margin:0}

.toast{
  position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);
  background:var(--card-2);border:1px solid var(--line);border-radius:11px;
  padding:11px 20px;font-size:14px;box-shadow:var(--shadow);
  opacity:0;pointer-events:none;transition:.25s;z-index:100;
}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* ---------- 添加到主屏幕提示（只在手机上出现） ---------- */
.a2hs{
  position:fixed;left:12px;right:12px;bottom:12px;z-index:90;
  display:flex;align-items:flex-start;gap:10px;
  background:var(--card-2);border:1px solid var(--accent);
  border-radius:12px;padding:12px 14px;font-size:13.5px;line-height:1.6;
  box-shadow:var(--shadow);
}
.a2hs span{flex:1}
.a2hs button{
  flex:0 0 auto;background:transparent;border:none;color:var(--text-mute);
  font-size:20px;line-height:1;cursor:pointer;padding:0 2px;
}
.a2hs button:hover{color:var(--text)}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#2b3440;border-radius:10px;border:3px solid var(--bg)}