/* ============================================================
   粵學堂 · 纸墨霓虹 设计系统
   Paper & Neon — HK editorial aesthetic
   ============================================================ */

:root{
  --paper:#f7f2e7;
  --paper-2:#efe7d6;
  --card:#fffdf7;
  --ink:#26221c;
  --ink-2:#5c5548;
  --ink-3:#8d8577;
  --red:#c8102e;
  --red-deep:#9c0d24;
  --red-soft:#fbe9ec;
  --gold:#b8860b;
  --gold-soft:#f6ecd2;
  --teal:#0f766e;
  --teal-soft:#e0f0ee;
  --green:#1a7f4b;
  --green-soft:#e4f3ea;
  --line:rgba(38,34,28,.12);
  --shadow:0 10px 30px -12px rgba(38,34,28,.18);
  --shadow-sm:0 4px 14px -6px rgba(38,34,28,.16);
  --radius:16px;
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --sidebar-w:250px;
}
[data-theme="dark"]{
  --paper:#1a1814;
  --paper-2:#23201a;
  --card:#2a261f;
  --ink:#f0e9da;
  --ink-2:#bcb2a0;
  --ink-3:#8b8171;
  --red:#ff5c74;
  --red-deep:#ff8294;
  --red-soft:#3a1f26;
  --gold:#e0b04d;
  --gold-soft:#38301d;
  --teal:#4fd1c5;
  --teal-soft:#17302e;
  --green:#57c98d;
  --green-soft:#1c3327;
  --line:rgba(240,233,218,.14);
  --shadow:0 10px 30px -12px rgba(0,0,0,.55);
  --shadow-sm:0 4px 14px -6px rgba(0,0,0,.5);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  transition:background .35s,color .35s;
  overflow-x:hidden;
}
/* 纸面纹理 */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:radial-gradient(var(--line) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font-family:inherit;color:inherit}
:where(button,input,select,[role="button"]):focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.hidden{display:none!important}

#app{position:relative;z-index:1;display:flex;min-height:100vh}

/* ============ 侧边栏 ============ */
.sidebar{
  width:var(--sidebar-w);position:fixed;inset:0 auto 0 0;z-index:40;
  background:var(--paper-2);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:22px 16px;
  transition:background .35s;
}
.brand{display:flex;align-items:center;gap:12px;padding:4px 8px 20px}
.brand-seal{
  width:46px;height:46px;border-radius:12px;flex:none;
  background:linear-gradient(135deg,var(--red),var(--red-deep));
  color:#fff;font-family:var(--serif);font-weight:900;font-size:26px;
  display:grid;place-items:center;box-shadow:0 6px 16px -6px rgba(200,16,46,.55);
  transform:rotate(-4deg);
}
.brand-seal.sm{width:34px;height:34px;font-size:19px;border-radius:9px}
.brand-name{font-family:var(--serif);font-weight:900;font-size:21px;letter-spacing:2px}
.brand-sub{font-size:10px;letter-spacing:3px;color:var(--ink-3)}
.side-nav{display:flex;flex-direction:column;gap:4px;flex:1}
.nav-item{
  display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--ink-2);text-align:left;
  transition:all .22s;position:relative;
}
.nav-item .nav-en{margin-left:auto;font-size:9.5px;letter-spacing:1.5px;color:var(--ink-3);font-weight:400}
.nav-item:hover{background:var(--card);color:var(--ink)}
.nav-item.active{background:var(--card);color:var(--red);box-shadow:var(--shadow-sm)}
.nav-item.active::before{
  content:"";position:absolute;left:-16px;top:50%;transform:translateY(-50%);
  width:4px;height:26px;border-radius:4px;background:var(--red);
}
.nav-item .nav-ico{width:22px;text-align:center;font-size:17px}
.side-foot{display:flex;flex-direction:column;gap:10px;padding-top:14px;border-top:1px solid var(--line)}
.theme-toggle{
  padding:10px;border-radius:12px;background:var(--card);font-size:13px;font-weight:600;
  box-shadow:var(--shadow-sm);transition:transform .2s;
}
.theme-toggle:hover{transform:translateY(-1px)}
.side-voice{font-size:12px;color:var(--ink-3);padding:0 4px}

/* ============ 移动顶栏 ============ */
.m-topbar{
  display:none;position:fixed;top:0;left:0;right:0;z-index:40;
  background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
  padding:12px 16px;align-items:center;justify-content:space-between;
}
.m-brand{display:flex;align-items:center;gap:9px;font-family:var(--serif);font-weight:900;font-size:18px;letter-spacing:2px}
.m-theme{font-size:18px;padding:6px 10px}

/* ============ 主区域 ============ */
.main{
  flex:1;margin-left:var(--sidebar-w);padding:34px clamp(20px,4vw,56px) 90px;
  max-width:1280px;min-width:0;
}
.page{display:none;animation:pageIn .45s cubic-bezier(.22,.8,.3,1)}
.page.active{display:block}
@keyframes pageIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap}
.page-head h2{font-family:var(--serif);font-size:clamp(24px,3vw,32px);font-weight:900;letter-spacing:1px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.jp-tag{
  font-size:12px;letter-spacing:2px;color:var(--teal);font-family:var(--sans);
  background:var(--teal-soft);padding:4px 10px;border-radius:999px;font-weight:700;
}
.page-desc{color:var(--ink-2);font-size:14.5px;margin-top:8px;max-width:720px}

/* ============ 首页 Hero ============ */
.hero{
  position:relative;border-radius:24px;overflow:hidden;padding:clamp(30px,5vw,58px);
  background:
    radial-gradient(600px 300px at 85% -10%,rgba(200,16,46,.10),transparent 60%),
    radial-gradient(500px 260px at 10% 120%,rgba(15,118,110,.10),transparent 60%),
    var(--card);
  border:1px solid var(--line);box-shadow:var(--shadow);
  margin-bottom:28px;
}
.hero-stamp{
  position:absolute;right:clamp(16px,4vw,48px);top:50%;transform:translateY(-50%) rotate(8deg);
  font-family:var(--serif);font-weight:900;font-size:clamp(90px,14vw,180px);
  color:transparent;-webkit-text-stroke:1.5px rgba(200,16,46,.28);
  user-select:none;pointer-events:none;
}
.hero-eyebrow{font-size:12px;letter-spacing:4px;color:var(--gold);font-weight:700;margin-bottom:12px}
.hero-title{
  font-family:var(--serif);font-size:clamp(30px,5.2vw,52px);font-weight:900;line-height:1.2;letter-spacing:2px;
  position:relative;z-index:1;
}
.hero-title em{
  font-style:normal;color:var(--red);
  background:linear-gradient(120deg,var(--red),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:var(--ink-2);margin:16px 0 26px;font-size:clamp(14px,1.6vw,16.5px);position:relative;z-index:1}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.hero-stats{
  display:flex;gap:clamp(18px,4vw,46px);margin-top:34px;padding-top:22px;
  border-top:1px dashed var(--line);position:relative;z-index:1;flex-wrap:wrap;
}
.hero-stats b{font-family:var(--serif);font-size:28px;font-weight:900;color:var(--red);display:block;line-height:1.2}
.hero-stats span{font-size:12.5px;color:var(--ink-3)}
.starter-path{margin:24px 0;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow-sm)}
.starter-path-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:14px}
.starter-path-head span{font-size:11px;letter-spacing:2px;color:var(--gold);font-weight:800}
.starter-path-head h2{font-family:var(--serif);font-size:20px;margin-top:2px}
.starter-path-head p{font-size:12.5px;color:var(--ink-3);max-width:330px;text-align:right}
.starter-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.starter-steps button{display:grid;grid-template-columns:34px 1fr;column-gap:10px;text-align:left;padding:13px;border-radius:13px;background:var(--paper);border:1px solid transparent;transition:all .2s}
.starter-steps button:hover{border-color:var(--gold);transform:translateY(-2px)}
.starter-steps i{grid-row:1/3;width:32px;height:32px;border-radius:10px;background:var(--red);color:#fff;display:grid;place-items:center;font-style:normal;font-weight:800}
.starter-steps b{font-size:14px}.starter-steps small{font-size:11.5px;color:var(--ink-3);line-height:1.45;margin-top:2px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:13px;
  font-size:14.5px;font-weight:700;transition:all .22s;border:1px solid transparent;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(135deg,var(--red),var(--red-deep));color:#fff;box-shadow:0 8px 20px -8px rgba(200,16,46,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 24px -8px rgba(200,16,46,.7)}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-deep)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--ink-3);color:var(--ink)}
.btn-soft{background:var(--gold-soft);color:var(--gold)}
.btn-soft:hover{background:var(--gold);color:#fff}
.btn.sm{padding:7px 14px;font-size:13px;border-radius:10px}
.btn[disabled]{opacity:.45;pointer-events:none}

/* ============ 卡片 ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;
}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.card-head h3{font-family:var(--serif);font-size:17px;font-weight:900}
.chip{font-size:12px;font-weight:700;color:var(--teal);background:var(--teal-soft);padding:4px 11px;border-radius:999px}
.chip-red{color:var(--red);background:var(--red-soft)}
.chip-green{color:var(--green);background:var(--green-soft)}
.chip-gold{color:var(--gold);background:var(--gold-soft)}

.home-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-bottom:28px}
.goal-card,.streak-card,.continue-card{position:relative}
.goal-ring-wrap{display:flex;justify-content:center;margin:6px 0 10px}
.goal-ring{width:128px;height:128px}
.ring-bg{fill:none;stroke:var(--line);stroke-width:10}
.ring-fg{
  fill:none;stroke:var(--red);stroke-width:10;stroke-linecap:round;
  stroke-dasharray:326.7;stroke-dashoffset:326.7;
  transition:stroke-dashoffset .8s cubic-bezier(.4,0,.2,1);
  transform:rotate(-90deg);transform-origin:center;
}
.goal-ring-txt{text-align:center;margin-top:-84px}
.goal-ring-txt b{font-family:var(--serif);font-size:30px;font-weight:900;color:var(--red);display:block;line-height:1.1}
.goal-ring-txt span{font-size:12px;color:var(--ink-3)}
.goal-line{font-size:13.5px;color:var(--ink-2);margin:10px 0 14px}
.streak-week{display:flex;gap:8px;justify-content:space-between;margin:10px 0 16px}
.streak-day{
  flex:1;aspect-ratio:1;max-width:46px;border-radius:12px;background:var(--paper-2);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-size:10px;color:var(--ink-3);gap:2px;
}
.streak-day .sd-ico{font-size:14px}
.streak-day.on{background:var(--red-soft);color:var(--red);box-shadow:inset 0 0 0 1.5px var(--red)}
.streak-day.today{box-shadow:inset 0 0 0 2px var(--gold)}
.continue-list{display:flex;flex-direction:column;gap:10px}
.cont-item{
  display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;
  width:100%;text-align:left;background:var(--paper);cursor:pointer;transition:transform .2s;border:1px solid transparent;
}
.cont-item:hover{transform:translateX(4px);border-color:var(--line)}
.cont-item .ci-ico{font-size:20px}
.cont-item .ci-title{font-weight:700;font-size:14px}
.cont-item .ci-sub{font-size:12px;color:var(--ink-3)}
.cont-item .ci-arrow{margin-left:auto;color:var(--ink-3)}
.cont-bar{height:5px;border-radius:5px;background:var(--paper-2);overflow:hidden;margin-top:6px}
.cont-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--red),var(--gold));border-radius:5px}

/* 模块入口 */
.module-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.mod-card{
  position:relative;border-radius:20px;padding:26px 24px;cursor:pointer;overflow:hidden;
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .28s,box-shadow .28s;text-align:left;width:100%;
}
.mod-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.mod-card .mc-ico{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;font-size:25px;
  margin-bottom:16px;background:var(--gold-soft);
}
.mod-card:nth-child(2) .mc-ico{background:var(--red-soft)}
.mod-card:nth-child(3) .mc-ico{background:var(--teal-soft)}
.mod-card:nth-child(4) .mc-ico{background:var(--green-soft)}
.mod-card:nth-child(5) .mc-ico{background:var(--red-soft)}
.mod-card:nth-child(6) .mc-ico{background:var(--gold-soft)}
.mod-card h3{font-family:var(--serif);font-size:19px;font-weight:900;margin-bottom:7px}
.mod-card p{font-size:13.5px;color:var(--ink-2)}
.mod-card .mc-go{position:absolute;right:20px;bottom:20px;font-size:12px;color:var(--gold);font-weight:700}

/* 关于本站 / 使用说明 */
.about-card{
  position:relative;display:grid;grid-template-columns:94px 1fr;gap:26px;align-items:start;
  margin-top:28px;padding:28px;border:1px solid var(--line);border-radius:22px;overflow:hidden;
  background:linear-gradient(135deg,var(--card),color-mix(in srgb,var(--gold-soft) 42%,var(--card)));
  box-shadow:var(--shadow-sm)
}
.about-mark{width:84px;height:84px;display:grid;place-items:center;border-radius:24px;background:linear-gradient(135deg,var(--red),var(--red-deep));color:#fff;font-family:var(--serif);font-size:46px;font-weight:900;box-shadow:0 12px 28px -14px rgba(200,16,46,.75);transform:rotate(-3deg)}
.about-kicker{font-size:10.5px;letter-spacing:2.4px;color:var(--gold);font-weight:800}
.about-copy h2{font-family:var(--serif);font-size:23px;margin:3px 0 9px}
.about-copy>p{max-width:820px;color:var(--ink-2);font-size:14px;line-height:1.8}
.about-facts{display:flex;gap:9px;flex-wrap:wrap;margin:14px 0}
.about-facts span{padding:6px 10px;border-radius:999px;background:var(--paper);border:1px solid var(--line);font-size:12px;color:var(--teal);font-weight:700}
.about-copy .about-note{font-size:12.5px;color:var(--ink-3)}
.about-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:17px}
.site-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:28px;padding:18px 4px 4px;border-top:1px dashed var(--line);color:var(--ink-3);font-size:12px}
.site-footer-links{display:flex;gap:14px;flex-wrap:wrap}
.site-footer a,.site-footer button{color:var(--ink-3);font:inherit}
.site-footer a:hover,.site-footer button:hover{color:var(--red)}
.guide-lead{color:var(--ink-2);font-size:13.5px;margin:-4px 0 16px}
.guide-steps{display:grid;gap:9px}
.guide-steps button{display:flex;align-items:flex-start;gap:11px;width:100%;padding:12px 13px;text-align:left;border:1px solid var(--line);border-radius:13px;background:var(--paper)}
.guide-steps button:hover{border-color:var(--gold)}
.guide-steps i{flex:none;width:28px;height:28px;display:grid;place-items:center;border-radius:9px;background:var(--red);color:#fff;font-style:normal;font-weight:800}
.guide-steps span{display:flex;flex-direction:column;gap:2px}.guide-steps b{font-size:13.5px}.guide-steps small{font-size:11.5px;color:var(--ink-3)}
.guide-section{margin-top:18px;padding:15px 16px;border-radius:14px;background:var(--paper);border:1px solid var(--line)}
.guide-section h4{font-family:var(--serif);font-size:15px;margin-bottom:7px}
.guide-section p,.guide-section li{font-size:12.5px;color:var(--ink-2);line-height:1.7}
.guide-section ul{padding-left:18px}.guide-section li+li{margin-top:4px}

/* ============ 语音系统 ============ */
.voice-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  padding:8px 14px;border-radius:999px;background:var(--card);border:1px solid var(--line);
}
.voice-badge .dot{width:9px;height:9px;border-radius:50%;background:var(--ink-3)}
.voice-badge.ok .dot{background:var(--green);box-shadow:0 0 0 4px var(--green-soft)}
.voice-badge.warn .dot{background:var(--gold);box-shadow:0 0 0 4px var(--gold-soft)}
.voice-diag{width:100%;background:var(--card);border:1px solid var(--line);border-radius:13px;padding:11px 15px;font-size:12.5px;box-shadow:var(--shadow-sm)}
.voice-diag summary{cursor:pointer;font-weight:700;color:var(--ink-2);font-size:13px}
.voice-diag summary:hover{color:var(--red)}
.diag-list{display:flex;flex-direction:column;gap:7px;margin:11px 0 4px}
.diag-line{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-2);flex-wrap:wrap}
.diag-line code{background:var(--paper-2);padding:1px 7px;border-radius:5px;font-size:11px}
.diag-line.diag-yue{color:var(--teal);font-weight:700}
.diag-dot{width:8px;height:8px;border-radius:50%;background:var(--ink-3);flex:none}
.diag-dot.diag-cur{background:var(--green);box-shadow:0 0 0 3px var(--green-soft)}
.diag-tip{background:var(--gold-soft);border-radius:11px;padding:11px 13px;font-size:12px;color:var(--ink-2);line-height:1.85;margin-top:9px}
.diag-tip b{color:var(--gold)}

.ph-tabs{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.ph-tab{
  padding:10px 20px;border-radius:12px;font-size:14.5px;font-weight:700;color:var(--ink-2);
  background:var(--card);border:1px solid var(--line);transition:all .2s;
}
.ph-tab span{font-size:11px;color:var(--ink-3);margin-left:3px}
.ph-tab:hover{border-color:var(--gold)}
.ph-tab.active{background:var(--ink);color:var(--paper)}
[data-theme="dark"] .ph-tab.active{background:var(--gold);color:#1a1814}
.ph-toolbar{display:flex;gap:12px;margin-bottom:20px;flex-wrap:wrap;align-items:center}
.search{
  flex:1;min-width:220px;padding:12px 18px;border-radius:13px;border:1px solid var(--line);
  background:var(--card);font-size:14px;outline:none;transition:border .2s,box-shadow .2s;
}
.search:focus{border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-soft)}
.ph-tools{display:flex;gap:8px;flex-wrap:wrap}

.ph-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:12px;margin-bottom:24px}
.ph-card{
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 10px;
  text-align:center;cursor:pointer;transition:all .22s;position:relative;
}
.ph-card:hover{transform:translateY(-3px);border-color:var(--gold);box-shadow:var(--shadow-sm)}
.ph-card.sel{border-color:var(--red);background:var(--red-soft);box-shadow:0 0 0 3px rgba(200,16,46,.12)}
.ph-card .pc-sym{font-family:var(--serif);font-weight:900;font-size:23px;color:var(--red);line-height:1.3}
.ph-card .pc-jp{font-size:13px;font-weight:700;color:var(--teal);margin-top:2px}
.ph-card .pc-ex{font-size:12px;color:var(--ink-3);margin-top:1px;word-break:break-all}
.ph-card .pc-vol{position:absolute;top:8px;right:9px;font-size:13px;opacity:0;transition:opacity .2s}
.ph-card:hover .pc-vol{opacity:1}
.ph-card.playing{animation:pulseCard 1s ease infinite}
@keyframes pulseCard{0%,100%{box-shadow:0 0 0 0 rgba(200,16,46,.35)}50%{box-shadow:0 0 0 8px rgba(200,16,46,0)}}

/* 声母 / 韵母二维正交表 */
.ph-grid.final-chart-host,.ph-grid.initial-chart-host{display:block;width:100%;max-width:100%;min-width:0}
.initial-chart-scroll{
  width:100%;max-width:100%;overflow-x:auto;margin-bottom:24px;border:1px solid var(--line);border-radius:16px;
  background:var(--card);box-shadow:var(--shadow-sm);outline:none;
}
.initial-chart-scroll:focus-visible{box-shadow:0 0 0 3px var(--gold-soft);border-color:var(--gold)}
.initial-chart{width:100%;min-width:960px;border-collapse:separate;border-spacing:0;table-layout:fixed}
.initial-chart caption{
  caption-side:top;text-align:left;padding:13px 15px 10px;color:var(--ink-3);
  font-size:12px;line-height:1.5;background:var(--paper-2);border-bottom:1px solid var(--line);
}
.initial-chart th,.initial-chart td{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:7px;text-align:center}
.initial-chart tr>*:last-child{border-right:0}
.initial-chart tbody tr:last-child>*{border-bottom:0}
.initial-chart thead th{height:42px;background:var(--paper-2);color:var(--red);font-size:12.5px;font-weight:800}
.initial-chart thead th:first-child{width:92px}
.initial-chart tbody th{
  width:92px;background:var(--paper-2);position:sticky;left:0;z-index:2;color:var(--red);
  font-family:var(--serif);font-size:15px;box-shadow:1px 0 0 var(--line);
}
.initial-chart td{min-height:82px;background:var(--card)}
.initial-chart td.initial-empty-cell{background:var(--paper)}
.initial-empty{color:var(--line);font-size:18px}
.initial-cell-items{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
.initial-cell-items .ph-card{width:100%;min-height:66px;padding:7px 4px;border-radius:10px;box-shadow:none}
.initial-cell-items .ph-card:only-child{grid-column:1/-1}
.initial-cell-items .pc-sym{font-size:18px}
.initial-cell-items .pc-jp{font-size:10.5px}
.initial-cell-items .pc-ex{font-size:10.5px;line-height:1.25}
.initial-cell-items .pc-vol{top:4px;right:5px;font-size:10px}
.initial-chart-mobile{display:none}

.final-chart-scroll{
  width:100%;max-width:100%;overflow-x:auto;margin-bottom:16px;border:1px solid var(--line);border-radius:16px;
  background:var(--card);box-shadow:var(--shadow-sm);outline:none;
}
.final-chart-scroll:focus-visible{box-shadow:0 0 0 3px var(--gold-soft);border-color:var(--gold)}
.final-chart{width:100%;min-width:900px;border-collapse:separate;border-spacing:0;table-layout:fixed}
.final-chart caption{
  caption-side:top;text-align:left;padding:13px 15px 10px;color:var(--ink-3);
  font-size:12px;line-height:1.5;background:var(--paper-2);border-bottom:1px solid var(--line);
}
.final-chart th,.final-chart td{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:6px;text-align:center}
.final-chart tr>*:last-child{border-right:0}
.final-chart tbody tr:last-child>*{border-bottom:0}
.final-chart thead th{background:var(--paper-2);color:var(--ink-2);font-size:12px;font-weight:800}
.final-chart .final-group-head th{color:var(--red);font-size:12.5px}
.final-chart tbody th{
  width:78px;background:var(--paper-2);position:sticky;left:0;z-index:2;color:var(--red);
  box-shadow:1px 0 0 var(--line);
}
.final-chart tbody th b{display:block;font-family:var(--serif);font-size:20px;line-height:1.1}
.final-chart tbody th small{display:block;margin-top:4px;color:var(--ink-3);font-size:11px;font-weight:600}
.final-chart td{height:86px;background:var(--card)}
.final-chart td.final-empty{color:var(--line);font-size:18px;background:var(--paper)}
.final-chart .ph-card{width:100%;min-height:72px;padding:9px 5px;border-radius:10px;box-shadow:none}
.ph-card.compact .pc-sym{font-size:19px}
.ph-card.compact .pc-jp{font-size:11.5px}
.ph-card.compact .pc-ex{font-size:11px;line-height:1.35}
.ph-card.compact .pc-vol{top:5px;right:6px;font-size:11px}
.syllabic-finals{
  display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px;
  padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:var(--card);
}
.syllabic-finals h3{font-family:var(--serif);font-size:16px;margin-bottom:3px}
.syllabic-finals p{font-size:12px;color:var(--ink-3)}
.syllabic-final-cards{display:grid;grid-template-columns:repeat(2,100px);gap:8px;flex:none}
.syllabic-final-cards .ph-card{min-height:70px;padding:8px}
.final-chart-mobile{display:none}

.practice-card{margin-top:4px}
.practice-main{display:grid;grid-template-columns:180px 1fr;gap:24px;align-items:center}
.practice-target{
  text-align:center;padding:22px 14px;border-radius:16px;background:var(--paper-2);
  border:2px dashed var(--line);
}
.practice-target .pt-symbol{font-family:var(--serif);font-size:44px;font-weight:900;color:var(--red)}
.practice-target .pt-word{font-size:12.5px;color:var(--ink-2);margin-top:6px;word-break:break-all}
.practice-controls{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.practice-feedback{margin-top:8px;grid-column:1/-1}
.fb-box{
  background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px 18px;
  display:flex;gap:16px;align-items:center;flex-wrap:wrap;
}
.fb-score{font-family:var(--serif);font-size:40px;font-weight:900;line-height:1}
.fb-score.good{color:var(--green)}.fb-score.mid{color:var(--gold)}.fb-score.low{color:var(--red)}
.fb-detail{flex:1;min-width:200px;font-size:13.5px;color:var(--ink-2)}
.fb-meter{width:100%;height:8px;border-radius:8px;background:var(--paper-2);overflow:hidden}
.fb-meter i{display:block;height:100%;border-radius:8px;transition:width .6s cubic-bezier(.4,0,.2,1)}
.fb-row{display:flex;gap:14px;flex-wrap:wrap;width:100%;margin-top:8px}
.feedback-boundary{width:100%;padding:10px 12px;border-radius:10px;background:var(--gold-soft);color:var(--ink-2);font-size:12.5px}
.fb-item{flex:1;min-width:130px;font-size:12.5px;color:var(--ink-2)}
.fb-item b{display:block;font-size:15px;color:var(--ink)}
.tip{font-size:12.5px;color:var(--ink-3);margin-top:14px}

/* ============ 词汇 ============ */
.cat-pills{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:20px}
.cat-pill{
  padding:9px 17px;border-radius:999px;font-size:13.5px;font-weight:700;color:var(--ink-2);
  background:var(--card);border:1px solid var(--line);transition:all .2s;
}
.cat-pill:hover{border-color:var(--teal)}
.cat-pill.active{background:var(--teal);color:#fff;border-color:var(--teal)}
.vocab-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.word-card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;
  transition:transform .22s,box-shadow .22s;position:relative;
}
.word-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.word-card .wc-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.word-card .wc-han{font-family:var(--serif);font-size:20px;font-weight:900;color:var(--red);line-height:1.15}
.word-card .wc-jp{font-size:12px;color:var(--teal);font-weight:700;margin-top:1px;letter-spacing:.3px}
.word-card .wc-mand{font-size:12.5px;color:var(--ink-2);margin-top:2px;line-height:1.4}
.word-card .wc-tools{display:flex;gap:6px;align-items:flex-start;flex:none;padding-top:2px}
.word-card .wc-play-sm{
  width:30px;height:30px;border-radius:8px;background:var(--red-soft);color:var(--red);
  font-size:13px;display:grid;place-items:center;transition:all .2s;cursor:pointer;
}
.word-card .wc-play-sm:hover{background:var(--red);color:#fff}
.word-card .wc-fav{
  width:30px;height:30px;border-radius:8px;background:var(--paper-2);font-size:14px;
  display:grid;place-items:center;transition:all .2s;flex:none;cursor:pointer;
}
.word-card .wc-fav.on{background:var(--red-soft);color:var(--red)}
.word-card .wc-ex{
  margin-top:12px;padding:11px 13px;background:var(--paper);border-radius:11px;
  font-size:13.5px;border-left:3px solid var(--gold);
}
.word-card .wc-ex .wx-jp{font-size:12px;color:var(--teal);margin-top:3px}
.word-card .wc-ex .wx-mand{font-size:12px;color:var(--ink-3);margin-top:2px}
.word-card .wc-play{
  position:absolute;bottom:16px;right:16px;width:38px;height:38px;border-radius:50%;
  background:var(--red);color:#fff;font-size:16px;display:grid;place-items:center;
  box-shadow:0 6px 14px -5px rgba(200,16,46,.55);transition:transform .2s;
}
.word-card .wc-play:hover{transform:scale(1.1)}

/* ============ 对话 ============ */
.dlg-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.dlg-card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;cursor:pointer;
  transition:all .25s;position:relative;overflow:hidden;text-align:left;width:100%;
}
.dlg-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--gold)}
.dlg-card .dc-emoji{font-size:34px}
.dlg-card h3{font-family:var(--serif);font-size:19px;font-weight:900;margin:10px 0 6px}
.dlg-card p{font-size:13px;color:var(--ink-2)}
.dlg-card .dc-tags{display:flex;gap:6px;margin-top:12px;flex-wrap:wrap}
.dlg-card .dc-tag{font-size:11px;padding:3px 9px;border-radius:999px;background:var(--gold-soft);color:var(--gold);font-weight:700}
.dlg-card .dc-progress{position:absolute;bottom:0;left:0;height:4px;background:linear-gradient(90deg,var(--red),var(--gold))}
.dlg-card .dc-lines{font-size:12px;color:var(--ink-3);margin-top:8px}
.dlg-stage{max-width:760px}
.dlg-title{display:flex;align-items:center;gap:14px;margin:18px 0 20px}
.dlg-title .dt-emoji{font-size:38px}
.dlg-title h3{font-family:var(--serif);font-size:24px;font-weight:900}
.dlg-mode-bar{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap;align-items:center}
.dlg-line{
  display:flex;gap:14px;padding:16px 18px;margin-bottom:12px;border-radius:16px;
  background:var(--card);border:1px solid var(--line);transition:all .2s;
}
.dlg-line.hidden-line .dl-text{filter:blur(7px);user-select:none;pointer-events:none}
.dlg-line.current{border-color:var(--red);box-shadow:0 0 0 3px rgba(200,16,46,.1)}
.dlg-line .dl-speaker{
  flex:none;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  font-size:20px;background:var(--gold-soft);
}
.dlg-line:nth-child(odd) .dl-speaker{background:var(--red-soft)}
.dlg-line .dl-body{flex:1}
.dlg-line .dl-name{font-size:12px;font-weight:700;color:var(--ink-3);margin-bottom:2px}
.dlg-line .dl-text{font-size:16.5px;font-weight:600}
.dlg-line .dl-jp{font-size:12.5px;color:var(--teal);margin-top:3px}
.dlg-line .dl-mand{font-size:12.5px;color:var(--ink-3);margin-top:2px}
.dlg-line .dl-tools{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.dlg-line .dl-btn{
  font-size:12.5px;font-weight:700;padding:6px 13px;border-radius:9px;
  background:var(--paper-2);color:var(--ink-2);transition:all .2s;
}
.dlg-line .dl-btn:hover{background:var(--ink);color:var(--paper)}
.dlg-line .dl-btn.rec{background:var(--red);color:#fff}
.dlg-line .dl-btn.rec.recording{animation:blink 1s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.45}}

/* ============ 语法 ============ */
.grammar-layout{display:grid;grid-template-columns:minmax(240px,330px) 1fr;gap:24px;align-items:start}
.grammar-list{display:flex;flex-direction:column;gap:10px;position:sticky;top:20px}
.grammar-item{
  padding:14px 16px;border-radius:13px;background:var(--card);border:1px solid var(--line);
  cursor:pointer;transition:all .2s;text-align:left;
}
.grammar-item:hover{border-color:var(--gold);transform:translateX(4px)}
.grammar-item.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
[data-theme="dark"] .grammar-item.active{background:var(--gold);color:#1a1814}
.grammar-item .gi-num{font-size:11px;color:var(--gold);font-weight:700;letter-spacing:1px}
.grammar-item h4{font-size:15.5px;font-weight:900;margin-top:2px}
.grammar-item p{font-size:12px;color:var(--ink-3);margin-top:3px}
[data-theme="dark"] .grammar-item p{color:rgba(26,24,20,.6)}
.grammar-article{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:clamp(22px,3vw,36px)}
.ga-head h2{font-family:var(--serif);font-size:26px;font-weight:900;letter-spacing:1px}
.ga-head .ga-intro{color:var(--ink-2);margin:10px 0 20px;font-size:14.5px}
.ga-block{margin:22px 0}
.ga-block h4{
  font-size:16px;font-weight:900;margin-bottom:12px;display:flex;align-items:center;gap:9px;
  font-family:var(--serif);
}
.ga-block h4::before{content:"";width:6px;height:20px;border-radius:4px;background:var(--red);display:inline-block}
.ga-table{width:100%;border-collapse:collapse;font-size:13.5px}
.ga-table th{background:var(--paper-2);font-weight:700;padding:10px 12px;text-align:left;color:var(--ink-2)}
.ga-table td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.ga-table .c-tag{color:var(--red);font-weight:900}
.ga-table .c-jp{color:var(--teal);font-size:12.5px}
.ga-table .c-mand{color:var(--ink-3);font-size:12.5px}
.ga-note{
  background:var(--gold-soft);border-radius:13px;padding:15px 18px;margin:18px 0;
  font-size:13.5px;border-left:4px solid var(--gold);
}
.ga-example{
  background:var(--paper);border-radius:13px;padding:14px 16px;margin:12px 0;
  border-left:4px solid var(--teal);cursor:pointer;transition:transform .2s;width:100%;text-align:left;
}
.ga-example:hover{transform:translateX(4px)}
.ga-example .ge-han{font-size:16.5px;font-weight:700}
.ga-example .ge-jp{font-size:12.5px;color:var(--teal);margin-top:3px}
.ga-example .ge-mand{font-size:12.5px;color:var(--ink-3);margin-top:2px}
.ga-example .ge-play{float:right;font-size:20px}

/* ============ 文化 ============ */
.culture-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:18px}
.cul-card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;
  transition:all .25s;position:relative;
}
.cul-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.cul-card .cc-badge{
  position:absolute;top:-11px;right:18px;font-size:11px;font-weight:700;padding:4px 12px;
  border-radius:999px;background:var(--red);color:#fff;letter-spacing:1px;box-shadow:var(--shadow-sm);
}
.cul-card h3{font-family:var(--serif);font-size:19px;font-weight:900;margin-bottom:4px}
.cul-card .cc-jp{font-size:12.5px;color:var(--teal);font-weight:700}
.cul-card .cc-han{font-size:15px;font-weight:700;color:var(--gold);margin:6px 0 10px}
.cul-card .cc-meaning{font-size:13.5px;color:var(--ink-2)}
.cul-card .cc-story{
  margin-top:12px;padding:12px 14px;background:var(--paper);border-radius:11px;
  font-size:13px;color:var(--ink-2);border-left:3px solid var(--teal);
}
.cul-card .cc-play{
  position:absolute;bottom:18px;right:18px;width:36px;height:36px;border-radius:50%;
  background:var(--teal);color:#fff;display:grid;place-items:center;font-size:15px;
  transition:transform .2s;box-shadow:0 6px 14px -5px rgba(15,118,110,.55);
}
.cul-card .cc-play:hover{transform:scale(1.1)}
.cul-card.cul-life h3{color:var(--teal)}
.cul-card.cul-life .cc-badge{background:var(--teal)}

/* ============ 个人中心 ============ */
.auth-wrap{max-width:420px;margin:0 auto}
.auth-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:var(--shadow)}
.auth-card h3{font-family:var(--serif);font-size:22px;font-weight:900;text-align:center}
.auth-card .auth-sub{text-align:center;color:var(--ink-3);font-size:13px;margin:8px 0 22px}
.field{margin-bottom:15px}
.field label{font-size:12.5px;font-weight:700;color:var(--ink-2);display:block;margin-bottom:6px}
.field input{
  width:100%;padding:12px 15px;border-radius:12px;border:1px solid var(--line);
  background:var(--paper);font-size:14px;outline:none;transition:border .2s;
}
.field input:focus{border-color:var(--teal)}
.auth-switch{text-align:center;font-size:13px;color:var(--ink-3);margin-top:16px}
.auth-switch button{color:var(--teal);font-weight:700}
.auth-err{color:var(--red);font-size:12.5px;text-align:center;margin-top:10px;min-height:18px}

.profile-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;text-align:center}
.stat-card b{font-family:var(--serif);font-size:34px;font-weight:900;color:var(--red);display:block}
.stat-card span{font-size:13px;color:var(--ink-3)}
.stat-card .sc-ico{font-size:24px;margin-bottom:6px}
.profile-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.profile-col{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow-sm)}
.profile-col h3{font-family:var(--serif);font-size:17px;font-weight:900;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.setting-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}
.setting-row:last-child{border-bottom:none}
.setting-row .sr-label{font-size:14px;font-weight:600}
.setting-row .sr-sub{font-size:12px;color:var(--ink-3)}
.num-stepper{display:flex;align-items:center;gap:0}
.num-stepper button{width:34px;height:34px;border-radius:9px;background:var(--paper-2);font-size:17px;font-weight:700}
.num-stepper b{width:44px;text-align:center;font-size:16px}
.switch{width:50px;height:28px;border-radius:999px;background:var(--paper-2);position:relative;transition:background .25s;flex:none}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:left .25s;box-shadow:0 1px 4px rgba(0,0,0,.25)}
.switch.on{background:var(--green)}
.switch.on::after{left:25px}
.history-item{
  display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:12px;
  background:var(--card);border:1px solid var(--line);margin-bottom:9px;font-size:13.5px;
}
.history-item .hi-ico{font-size:17px}
.history-item .hi-what{flex:1;font-weight:600}
.history-item .hi-time{font-size:11.5px;color:var(--ink-3)}
.history-item .hi-score{font-weight:900;color:var(--teal)}
.history-empty{color:var(--ink-3);font-size:13.5px;text-align:center;padding:26px 0;border:1.5px dashed var(--line);border-radius:13px}
.fav-list{display:flex;flex-direction:column;gap:8px}
.fav-item{
  display:flex;align-items:center;gap:11px;padding:10px 13px;border-radius:12px;
  background:var(--card);border:1px solid var(--line);cursor:pointer;transition:transform .18s;
}
.fav-item:hover{transform:translateX(3px)}
.fav-item .fi-han{font-family:var(--serif);font-weight:900;font-size:18px;color:var(--red);min-width:52px}
.fav-item .fi-jp{font-size:12px;color:var(--teal);flex:1}
.fav-item .fi-del{color:var(--ink-3);font-size:14px;padding:4px}
.fav-item .fi-del:hover{color:var(--red)}
.profile-backup p{font-size:13.5px;color:var(--ink-2);max-width:760px}
.profile-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}
.btn.danger{color:var(--red);border-color:color-mix(in srgb,var(--red) 35%,transparent)}
.btn.danger:hover{background:var(--red-soft);border-color:var(--red)}
.profile-cloud-note{font-size:12px;color:var(--ink-3);margin-top:12px}
.cloud-login{display:grid;grid-template-columns:minmax(140px,1fr) minmax(180px,1.3fr) auto;gap:10px;align-items:end;margin-top:14px;max-width:760px}
.cloud-login label{display:flex;flex-direction:column;gap:5px;font-size:12px;font-weight:700;color:var(--ink-2)}
.cloud-login input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink);font:inherit;outline:none}
.cloud-login input:focus{border-color:var(--red);box-shadow:0 0 0 3px var(--red-soft)}
.cloud-status{display:flex;align-items:flex-start;gap:10px;padding:13px 14px;border-radius:12px;background:var(--paper-2);max-width:760px}
.cloud-status>div{display:flex;flex-direction:column;gap:3px}.cloud-status b{font-size:14px}.cloud-status small{color:var(--ink-3)}
.cloud-dot{width:10px;height:10px;border-radius:50%;background:var(--ink-3);margin-top:5px;flex:none}.cloud-dot.online{background:var(--green);box-shadow:0 0 0 4px color-mix(in srgb,var(--green) 15%,transparent)}.cloud-dot.busy{background:var(--gold);animation:blink 1s infinite}
.cloud-error{color:var(--red)!important}

/* ============ 弹窗 ============ */
.modal-mask{
  position:fixed;inset:0;z-index:100;background:rgba(20,16,10,.55);backdrop-filter:blur(4px);
  display:grid;place-items:center;padding:20px;animation:fadeIn .25s;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{
  background:var(--card);border-radius:20px;max-width:560px;width:100%;
  max-height:86vh;overflow-y:auto;padding:28px;box-shadow:0 30px 60px -20px rgba(0,0,0,.5);
  animation:popIn .35s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes popIn{from{opacity:0;transform:scale(.92) translateY(14px)}to{opacity:1;transform:none}}
.modal h3{font-family:var(--serif);font-size:21px;font-weight:900;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.modal-x{margin-left:auto;padding:5px 8px;border-radius:8px;color:var(--ink-3)}
.mobile-more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.mobile-more-grid button{display:flex;flex-direction:column;align-items:flex-start;gap:5px;text-align:left;padding:16px;border-radius:14px;background:var(--paper);border:1px solid var(--line)}
.mobile-more-grid button span{font-size:26px}.mobile-more-grid button b{font-size:14px}.mobile-more-grid button small{color:var(--ink-3);line-height:1.4}
.quiz-q{
  font-size:26px;text-align:center;margin:22px 0 6px;font-family:var(--serif);font-weight:900;color:var(--red);
}
.quiz-jp{text-align:center;color:var(--teal);font-size:14px;font-weight:700;margin-bottom:18px}
.quiz-opt{
  display:block;width:100%;text-align:left;padding:14px 18px;border-radius:13px;
  border:1.5px solid var(--line);background:var(--paper);font-size:15px;font-weight:600;
  margin-bottom:10px;transition:all .2s;
}
.quiz-opt:hover{border-color:var(--teal)}
.quiz-opt.correct{border-color:var(--green);background:var(--green-soft);color:var(--green)}
.quiz-opt.wrong{border-color:var(--red);background:var(--red-soft);color:var(--red)}
.quiz-progress{font-size:12.5px;color:var(--ink-3);text-align:center;margin-top:14px}
.quiz-end{text-align:center;padding:10px 0}
.quiz-end .qe-score{font-family:var(--serif);font-size:52px;font-weight:900;color:var(--red)}
.quiz-end .qe-txt{color:var(--ink-2);margin:8px 0 20px}

/* ============ Toast ============ */
#toast{
  position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(20px);z-index:200;
  background:var(--ink);color:var(--paper);padding:13px 24px;border-radius:999px;font-size:14px;font-weight:600;
  opacity:0;pointer-events:none;transition:all .35s;box-shadow:var(--shadow);max-width:88vw;
}
[data-theme="dark"] #toast{background:var(--gold);color:#1a1814}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 录音动画 */
.rec-pulse{
  display:inline-flex;align-items:center;gap:8px;color:var(--red);font-weight:700;font-size:13.5px;
}
.rec-pulse .rp-dot{width:10px;height:10px;border-radius:50%;background:var(--red);animation:blink 1s infinite}

/* ============ 响应式 ============ */
@media (max-width:1020px){
  .grammar-layout{grid-template-columns:1fr}
  .grammar-list{position:static;flex-direction:row;overflow-x:auto;padding-bottom:8px}
  .grammar-item{min-width:200px}
}
/* ============ 移动顶栏 / 底部导航（默认隐藏） ============ */
.m-topbar{display:none}
.m-nav{display:none}
@media (max-width:860px){
  .sidebar{display:none}
  .main{margin-left:0;padding:76px 16px 96px}
  .m-topbar{display:flex}
  .m-nav{
    position:fixed;bottom:0;left:0;right:0;z-index:50;display:flex;
    background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(14px);
    border-top:1px solid var(--line);padding:8px 6px calc(8px + env(safe-area-inset-bottom));
  }
  .m-nav-item{
    flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:7px 2px;
    font-size:11px;color:var(--ink-3);font-weight:600;border-radius:11px;transition:all .2s;
  }
  .m-nav-item span{font-size:20px}
  .m-nav-item.active{color:var(--red);background:var(--red-soft)}
  .practice-main{grid-template-columns:1fr}
  .profile-cols{grid-template-columns:1fr}
  .cloud-login{grid-template-columns:1fr}
  .hero-stamp{opacity:.5}
  .starter-path-head{align-items:start;flex-direction:column;gap:6px}.starter-path-head p{text-align:left}
  .starter-steps{grid-template-columns:1fr}
  .about-card{grid-template-columns:1fr}.about-mark{width:64px;height:64px;border-radius:18px;font-size:36px}
  .site-footer{align-items:flex-start;flex-direction:column}
  #toast{bottom:90px}
}
@media (max-width:520px){
  .vocab-grid{grid-template-columns:1fr}
  .ph-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}
  .initial-chart-desktop{display:none}
  .initial-chart-mobile{display:grid;gap:14px;margin-bottom:16px}
  .initial-mobile-table{width:100%;border-collapse:separate;border-spacing:0;table-layout:fixed}
  .initial-mobile-table th,.initial-mobile-table td{padding:4px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center}
  .initial-mobile-table tr>*:last-child{border-right:0}
  .initial-mobile-table tbody tr:last-child>*{border-bottom:0}
  .initial-mobile-table thead th{height:36px;background:var(--paper-2);color:var(--ink-2);font-size:10.5px;font-weight:800}
  .initial-mobile-table thead th:first-child{width:62px;color:var(--red)}
  .initial-mobile-table tbody th{background:var(--paper-2);color:var(--red);font-family:var(--serif);font-size:12px;line-height:1.25}
  .initial-mobile-table td{min-height:62px;background:var(--card)}
  .initial-mobile-table td.initial-empty-cell{background:var(--paper)}
  .initial-mobile-table .initial-cell-items{grid-template-columns:repeat(2,minmax(0,1fr));gap:3px}
  .initial-mobile-table .initial-cell-items .ph-card{min-height:52px;padding:5px 1px;border-radius:8px}
  .initial-mobile-table .initial-cell-items .ph-card:only-child{grid-column:1/-1}
  .initial-mobile-table .ph-card .pc-sym{font-size:15px}
  .initial-mobile-table .ph-card .pc-jp{font-size:8.5px;white-space:nowrap;letter-spacing:-.2px}
  .initial-mobile-table .ph-card .pc-ex,.initial-mobile-table .ph-card .pc-vol{display:none}
  .final-chart-desktop{display:none}
  .final-chart-mobile{display:grid;gap:14px;margin-bottom:16px}
  .final-mobile-tip{padding:11px 13px;border-radius:12px;background:var(--gold-soft);color:var(--ink-2);font-size:12px;line-height:1.55}
  .final-mobile-group{overflow:hidden;border:1px solid var(--line);border-radius:15px;background:var(--card);box-shadow:var(--shadow-sm)}
  .final-mobile-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;padding:11px 12px 9px;background:var(--paper-2);border-bottom:1px solid var(--line)}
  .final-mobile-head h3{font-family:var(--serif);font-size:15px;color:var(--red)}
  .final-mobile-head span{font-size:10.5px;color:var(--ink-3);text-align:right}
  .final-mobile-table{width:100%;border-collapse:separate;border-spacing:0;table-layout:fixed}
  .final-mobile-table th,.final-mobile-table td{padding:4px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center}
  .final-mobile-table tr>*:last-child{border-right:0}
  .final-mobile-table tbody tr:last-child>*{border-bottom:0}
  .final-mobile-table thead th{height:34px;background:var(--paper-2);color:var(--ink-2);font-size:11px;font-weight:800}
  .final-mobile-table thead th:first-child{width:62px;color:var(--red)}
  .final-mobile-table tbody th{background:var(--paper-2);color:var(--red)}
  .final-mobile-table tbody th b{display:block;font-family:var(--serif);font-size:17px;line-height:1.05}
  .final-mobile-table tbody th small{display:block;margin-top:3px;color:var(--ink-3);font-size:9.5px;font-weight:600}
  .final-mobile-table td{height:70px;background:var(--card)}
  .final-mobile-table td.final-empty{color:var(--line);background:var(--paper)}
  .final-mobile-table .ph-card{width:100%;min-height:60px;padding:6px 2px;border-radius:9px;box-shadow:none}
  .final-mobile-table .ph-card .pc-sym{font-size:16px}
  .final-mobile-table .ph-card .pc-jp{font-size:10.5px}
  .final-mobile-table .ph-card .pc-ex{font-size:10px;line-height:1.2}
  .final-mobile-table .ph-card .pc-vol{display:none}
  .syllabic-finals{align-items:flex-start;flex-direction:column}
  .syllabic-final-cards{width:100%;grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-stats{gap:22px}
  .page-head{flex-direction:column}
  .mobile-more-grid{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* ============ 唱粤语歌 ============ */
.local-lyrics-tool{margin-bottom:22px}
.local-lyrics-tool code{font-size:12px;color:var(--teal);background:var(--teal-soft);padding:2px 6px;border-radius:6px}
.local-song-meta{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:14px 0 12px}
.local-song-meta label,.local-lyrics-label{display:flex;flex-direction:column;gap:6px;font-size:12.5px;font-weight:700;color:var(--ink-2)}
.local-song-meta input,#localLyricsInput{
  width:100%;border:1px solid var(--line);border-radius:11px;background:var(--paper);color:var(--ink);
  padding:10px 12px;font:inherit;transition:border-color .2s,box-shadow .2s;
}
#localLyricsInput{resize:vertical;min-height:150px;line-height:1.75;margin-top:6px}
.local-song-meta input:focus,#localLyricsInput:focus{border-color:var(--teal);box-shadow:0 0 0 3px color-mix(in srgb,var(--teal) 18%,transparent);outline:none}
.local-lyrics-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.local-privacy-note{font-size:12px;color:var(--ink-3);line-height:1.7;margin-top:10px}
.song-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;margin-bottom:24px}
.song-card{
  border-radius:18px;padding:22px;cursor:pointer;position:relative;overflow:hidden;
  color:#fff;border:none;text-align:left;transition:transform .25s,box-shadow .25s;
  box-shadow:var(--shadow-sm);min-height:150px;display:flex;flex-direction:column;justify-content:flex-end;text-align:left;width:100%;
}
.song-card:hover{transform:translateY(-5px) scale(1.01);box-shadow:var(--shadow)}
.song-card .sc-emoji{position:absolute;top:14px;right:16px;font-size:44px;opacity:.9;filter:drop-shadow(0 4px 8px rgba(0,0,0,.25))}
.song-card .sc-dots{position:absolute;top:14px;left:16px;display:flex;gap:5px}
.song-card .sc-dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.55)}
.song-card .sc-bookmark{position:absolute;top:13px;left:58px;font-size:18px;color:#ffe08a;filter:drop-shadow(0 2px 4px rgba(0,0,0,.28))}
.song-card h3{font-family:var(--serif);font-size:22px;font-weight:900;letter-spacing:1px;text-shadow:0 2px 8px rgba(0,0,0,.3)}
.song-card .sc-meta{font-size:12.5px;opacity:.9;margin-top:4px}
.song-card .sc-tags{display:flex;gap:6px;margin-top:10px}
.song-card .sc-tag{font-size:10.5px;padding:3px 9px;border-radius:999px;background:rgba(255,255,255,.22);font-weight:700;backdrop-filter:blur(2px)}

.sing-stage{max-width:860px}
.sing-head{
  display:flex;align-items:center;gap:16px;margin:16px 0 18px;padding:18px 20px;
  border-radius:18px;color:#fff;box-shadow:var(--shadow-sm);
}
.sing-head .sh-emoji{font-size:40px;filter:drop-shadow(0 4px 8px rgba(0,0,0,.3))}
.sing-head .sh-copy{flex:1;min-width:0}
.sing-head h3{font-family:var(--serif);font-size:24px;font-weight:900;letter-spacing:1px}
.sing-head .sh-meta{font-size:12.5px;opacity:.92;margin-top:3px}
.sing-head .sh-intro{font-size:12.5px;opacity:.88;margin-top:8px;line-height:1.7;max-width:560px}
.sh-bookmark,.sh-local{flex:none;align-self:flex-start;padding:7px 11px;border-radius:10px;background:rgba(255,255,255,.18);color:#fff;font-size:12px;font-weight:800;border:1px solid rgba(255,255,255,.34);backdrop-filter:blur(4px)}
.sh-bookmark:hover{background:rgba(255,255,255,.3)}

.sing-player{margin-bottom:16px}
.sp-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.sp-title{font-weight:800;font-size:15px}
.sp-ctrl{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.sp-btn{
  padding:9px 18px;border-radius:11px;background:var(--ink);color:var(--paper);font-weight:700;font-size:13.5px;
  transition:all .2s;flex:none;
}
[data-theme="dark"] .sp-btn{background:var(--gold);color:#1a1814}
.sp-btn:hover{opacity:.88}
.sp-btn.on{background:var(--red);color:#fff}
#spSeek{flex:1;min-width:120px;accent-color:var(--red)}
.sp-time{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;flex:none}
.sp-rate{padding:7px 10px;border-radius:10px;border:1px solid var(--line);background:var(--paper);font-weight:700;font-size:13px;color:var(--ink-2)}

.sing-toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.sing-toolbar .ph-tab.active{background:var(--red);color:#fff;border-color:var(--red)}
#singStatus{min-height:20px}

.lyric-panel{display:flex;flex-direction:column;gap:10px;margin:10px 0 20px}
.lyric-line{
  display:flex;gap:14px;padding:16px 18px;border-radius:16px;cursor:pointer;
  background:var(--card);border:1px solid var(--line);transition:all .22s;position:relative;
}
.lyric-line:hover{border-color:var(--gold);transform:translateX(3px)}
.lyric-line.current{
  border-color:var(--red);background:var(--red-soft);
  box-shadow:0 0 0 3px rgba(200,16,46,.12);
}
.lyric-line .ll-no{
  flex:none;width:30px;height:30px;border-radius:9px;background:var(--paper-2);
  display:grid;place-items:center;font-size:12px;font-weight:800;color:var(--ink-3);
}
.lyric-line.current .ll-no{background:var(--red);color:#fff}
.lyric-line .ll-body{flex:1;min-width:0}
.lyric-line .ll-han{font-size:18px;font-weight:800;letter-spacing:.5px;transition:all .2s}
.lyric-line.current .ll-han{font-size:20px;color:var(--red)}
.lyric-line .ll-jp{font-size:13px;color:var(--teal);margin-top:3px;letter-spacing:.4px}
.lyric-line .ll-mand{font-size:12.5px;color:var(--ink-3);margin-top:2px}
.lyric-line .ll-tools{display:flex;gap:7px;margin-top:9px;flex-wrap:wrap}
.lyric-line .ll-btn{
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:9px;
  background:var(--paper-2);color:var(--ink-2);transition:all .2s;
}
.lyric-line .ll-btn:hover{background:var(--ink);color:var(--paper)}
.lyric-line .ll-btn.rec{background:var(--red);color:#fff}
.lyric-line .ll-btn.rec.recording{animation:blink 1s infinite}
.lyric-line .ll-badge{
  position:absolute;top:-9px;right:16px;font-size:10px;font-weight:800;padding:3px 10px;
  border-radius:999px;background:var(--gold);color:#fff;letter-spacing:1px;box-shadow:var(--shadow-sm);
  display:none;
}
.lyric-line.current .ll-badge{display:block}

.song-notes{display:flex;flex-direction:column;gap:10px;margin:6px 0 24px}
.sn-item{
  background:var(--gold-soft);border-left:4px solid var(--gold);border-radius:12px;
  padding:13px 16px;font-size:13.5px;
}
.sn-item b{color:var(--gold)}
.sn-item span{color:var(--ink-2)}

.sw-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.sw-item{background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:13px 15px;cursor:pointer;transition:transform .2s;width:100%;text-align:left}
.sw-item:hover{transform:translateY(-2px);border-color:var(--teal)}
.sw-item .sw-top{display:flex;align-items:baseline;gap:9px}
.sw-item .sw-char{font-family:var(--serif);font-size:24px;font-weight:900;color:var(--red)}
.sw-item .sw-jp{font-size:12.5px;color:var(--teal);font-weight:700}
.sw-item .sw-mand{font-size:13px;color:var(--ink-2);margin-top:4px}
.sw-item .sw-ex{font-size:11.5px;color:var(--ink-3);margin-top:3px}

@media (max-width:520px){
  .local-song-meta{grid-template-columns:1fr}
  .song-cards{grid-template-columns:1fr 1fr}
  .lyric-line .ll-han{font-size:16px}
  .lyric-line.current .ll-han{font-size:17px}
  .sing-head{flex-wrap:wrap}
  .sh-bookmark,.sh-local{margin-left:56px}
}

/* ============ 逐字注音（ruby） ============ */
.ll-han ruby{letter-spacing:.04em}
.ll-han rt{font-size:.42em;color:var(--teal);font-weight:600;letter-spacing:0;text-transform:lowercase}
.lyric-line.current .ll-han rt{color:var(--red)}

/* 全文注音视图 */
.lyric-full-modal .modal{max-width:700px}
.lyric-full{display:flex;flex-direction:column;gap:8px;padding:4px 0}
.lf-line{
  display:flex;align-items:baseline;gap:10px;cursor:pointer;border-radius:11px;
  padding:9px 12px;transition:background .2s,border-color .2s;border:1px solid transparent;
}
.lf-line:hover{background:var(--paper);border-color:var(--line)}
.lf-line.playing{background:var(--red-soft);border-color:var(--red)}
.lf-no{flex:none;width:24px;height:24px;border-radius:7px;background:var(--paper-2);display:grid;place-items:center;font-size:11px;font-weight:800;color:var(--ink-3);align-self:center}
.lf-ruby{font-family:var(--serif);font-size:19px;font-weight:700;line-height:1.9;flex:1}
.lf-ruby rt{font-family:var(--sans);font-size:.4em;color:var(--teal);font-weight:600}
.lf-mand{flex:none;font-size:12px;color:var(--ink-3);max-width:140px;text-align:right;line-height:1.5}
@media (max-width:520px){
  .lf-mand{display:none}
  .lf-ruby{font-size:16px}
}

/* ============ 朗读语速选择 ============ */
.rate-label{font-size:12.5px;font-weight:700;color:var(--ink-3);align-self:center}
.rate-group{display:inline-flex;gap:4px;flex-wrap:wrap;align-self:center}
.rate-group button{
  padding:6px 9px;border-radius:8px;font-size:12px;font-weight:700;line-height:1.2;
  background:var(--paper-2);color:var(--ink-2);transition:all .18s;border:1px solid transparent;
}
.rate-group button:hover{border-color:var(--gold);color:var(--ink)}
.rate-group button.active{background:var(--red);color:#fff;box-shadow:0 3px 8px -3px rgba(200,16,46,.5)}
@media (max-width:520px){
  .rate-group button{padding:5px 7px;font-size:11px}
}

/* ============ 全局悬浮语速 ============ */
.rate-float{position:fixed;right:18px;bottom:26px;z-index:70;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.rf-btn{
  width:58px;height:58px;border-radius:50%;background:var(--ink);color:var(--gold);
  font-weight:900;font-size:13px;border:none;cursor:pointer;
  box-shadow:0 10px 26px -8px rgba(0,0,0,.45);transition:transform .2s,background .2s;
  display:grid;place-items:center;
}
[data-theme="dark"] .rf-btn{background:var(--gold);color:#1a1814}
.rf-btn:hover{transform:scale(1.07)}
.rf-panel{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:14px 16px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;
  max-width:250px;
}
.rf-panel.hidden{display:none}
.rf-title{font-size:13px;font-weight:800;color:var(--ink)}
.rf-tip{font-size:11px;color:var(--ink-3);line-height:1.5}
@media (max-width:860px){
  .rate-float{right:14px;bottom:88px}
  .rf-btn{width:50px;height:50px;font-size:12px}
}

/* ============ 词汇例句朗读按钮 ============ */
.wc-ex{position:relative}
.wc-explay{
  position:absolute;right:6px;top:2px;width:30px;height:30px;border-radius:9px;
  background:var(--paper-2);font-size:13px;display:grid;place-items:center;
  color:var(--ink-3);transition:all .2s;z-index:2;
}
.wc-explay:hover{background:var(--red);color:#fff}
/* 文化页多 tab 换行 */
.ph-tabs{flex-wrap:wrap}

/* ============ 录音实时电平条 ============ */
.vu-wrap{width:140px;height:12px;border-radius:8px;background:var(--paper-2);overflow:hidden;border:1px solid var(--line);flex:none;margin-left:2px}
.vu-bar{height:100%;width:0%;background:linear-gradient(90deg,#5DCAA5,#EF9F27,#E24B4A);border-radius:8px;transition:width .06s linear}
@media (max-width:520px){.vu-wrap{width:100%;margin-top:4px}}

/* ============ 声调听辨训练 ============ */
.td-body{padding:6px 2px}
.td-q{font-weight:800;font-size:14px;color:var(--ink-2);margin-bottom:10px}
.td-play{display:block;margin:0 auto 16px}
.td-opts{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
.td-opt{
  display:flex;flex-direction:column;align-items:center;gap:3px;padding:13px 8px;
  border-radius:13px;background:var(--paper);border:1px solid var(--line);
  transition:all .18s;cursor:pointer;
}
.td-opt b{font-size:22px;color:var(--red);font-weight:900}
.td-opt span{font-size:12px;color:var(--ink-2)}
.td-opt:hover{border-color:var(--red);transform:translateY(-2px)}
.td-opt:disabled{opacity:.45;cursor:default;transform:none}
.td-fb{margin-top:14px;font-weight:700;font-size:13.5px;min-height:24px}
/* 粤拼拼写练习 */
.jp-input-row{display:flex;gap:8px;margin-top:12px;align-items:center}
.jp-input{
  flex:1;min-width:0;padding:10px 12px;border-radius:10px;border:1px solid var(--line);
  background:var(--card);color:var(--ink);font-size:16px;letter-spacing:.5px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.jp-input:focus{outline:none;border-color:var(--red)}
.jp-keys{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.jp-key{
  width:40px;height:38px;border-radius:9px;background:var(--paper-2);color:var(--ink-2);
  font-size:15px;font-weight:800;display:grid;place-items:center;transition:all .18s;
}
.jp-key:hover{background:var(--red-soft);color:var(--red)}
.jp-han{font-family:var(--serif);font-size:32px;font-weight:900;color:var(--red);text-align:center;padding:4px 0 6px}
.jp-partial{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:24px;font-weight:800;color:var(--ink);text-align:center;margin:6px 0 10px;letter-spacing:1px}
.jp-partial::before{content:'💡 ';font-family:var(--font)}
.chip-ghost{background:var(--card);color:var(--ink-2);border:1px solid var(--line);cursor:pointer;transition:all .18s}
.chip-ghost:hover{border-color:var(--red);color:var(--red);background:var(--red-soft)}
.td-ok{color:var(--green)}
.td-no{color:var(--red)}
.td-done{text-align:center;padding:10px 0}
.td-done b{font-size:20px;font-family:var(--serif)}
.td-done p{color:var(--ink-3);margin:8px 0 16px;font-size:13.5px}
/* 句意填空挑战 */
.fillgame-card .fg-body{padding:6px 2px}
.fg-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.fg-sentence{font-family:var(--serif);font-size:26px;font-weight:800;color:var(--ink);text-align:center;line-height:1.6;padding:8px 0}
.fg-blank{display:inline-block;min-width:60px;border-bottom:2px solid var(--red);color:var(--red);margin:0 4px;text-align:center;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.fg-mand{text-align:center;color:var(--ink-2);font-size:14px;margin:6px 0 18px}
.fg-opts{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.fg-opt{display:flex;align-items:center;justify-content:center;gap:6px;padding:13px 10px;border-radius:13px;background:var(--paper);border:1px solid var(--line);font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;transition:all .18s;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.fg-opt:hover{border-color:var(--red);background:var(--red-soft);color:var(--red)}
.fg-opt:disabled{opacity:1;cursor:default;transform:none}
.fg-opt-ok{border-color:var(--green);background:var(--green-soft);color:var(--green)}
.fg-opt-ok:hover{border-color:var(--green);background:var(--green-soft);color:var(--green)}
.fg-opt-no{border-color:var(--red);background:var(--red-soft);color:var(--red)}
.fg-opt-no:hover{border-color:var(--red);background:var(--red-soft);color:var(--red)}

/* ============ SRS 间隔复习模式 ============ */
.word-card.review-card{cursor:pointer}
.review-card .wc-han.quizzed{color:var(--ink-3)}
.review-actions{display:flex;gap:8px;margin-top:10px}
.review-actions .btn{flex:1}
.review-empty{grid-column:1/-1;text-align:center;padding:26px 0;color:var(--ink-3)}
.cont-review{
  display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;cursor:pointer;
  background:var(--gold-soft);border:1px dashed var(--gold);margin-bottom:8px;transition:all .2s;
}
.cont-review:hover{border-color:var(--gold);transform:translateX(3px)}
.cont-review b{color:var(--gold);font-size:14px}
.cont-review span{font-size:12px;color:var(--ink-3)}

/* ============ 控件无障碍与打磨（控件优化清单） ============ */
/* 进度滑块：自定义 thumb/track，移动端可点 */
input[type="range"]{
  -webkit-appearance:none; appearance:none;
  height:6px; border-radius:999px; background:var(--line); outline-offset:4px;
}
input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none; width:18px; height:18px; border-radius:50%;
  background:var(--red); box-shadow:0 1px 4px rgba(0,0,0,.3); cursor:pointer; border:none;
}
input[type="range"]::-moz-range-thumb{
  width:18px; height:18px; border:none; border-radius:50%;
  background:var(--red); box-shadow:0 1px 4px rgba(0,0,0,.3); cursor:pointer;
}
/* 搜索框（type=search 自带清除按钮美化） */
input[type="search"]::-webkit-search-cancel-button{
  -webkit-appearance:none; height:14px; width:14px; border-radius:50%; cursor:pointer;
  background:var(--ink-3);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 4l8 8M12 4l-8 8' stroke='%23fff' stroke-width='2.2' stroke-linecap='round'/%3E%3C/svg%3E") center/10px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 4l8 8M12 4l-8 8' stroke='%23fff' stroke-width='2.2' stroke-linecap='round'/%3E%3C/svg%3E") center/10px no-repeat;
}
input[type="search"]::-webkit-search-cancel-button:hover{ background:var(--red) }
/* 录音按钮：闪烁圆点（非纯颜色状态，色盲/单色可辨） */
#ptRecord.recording{ position:relative }
#ptRecord.recording::before{
  content:''; position:absolute; left:14px; top:50%; width:8px; height:8px; margin-top:-4px;
  border-radius:50%; background:#fff; animation:recPulse 1s ease-in-out infinite;
}
@keyframes recPulse{
  0%,100%{ opacity:1; box-shadow:0 0 0 0 rgba(255,255,255,.55) }
  50%{ opacity:.5; box-shadow:0 0 0 6px rgba(255,255,255,0) }
}

/* ============ 词卡查粵典 ============ */
/* 首页继续学习卡 */
.lesson-card{display:flex;align-items:center;gap:10px;cursor:pointer}
.lesson-card:hover{border-color:var(--gold);transform:translateX(3px)}