/* =========================================================
   汉字小精灵 · 拼音识字趣味乐园
   纯静态样式 · 无外部字体 / 图片依赖
   ========================================================= */

:root{
  --paper:#fbf6e9;
  --paper-deep:#f4ecd9;
  --card:#fffdf7;
  --card-soft:#fff9ee;
  --ink:#2f3a33;
  --ink-soft:#566257;
  --muted:#8b9488;
  --line:#e7ddca;
  --line-strong:#d8cbb2;
  --green:#4d7c62;
  --green-deep:#355b47;
  --green-soft:#e2eee5;
  --coral:#df6f52;
  --coral-deep:#bd543c;
  --coral-soft:#fbe9e3;
  --gold:#dfaa3d;
  --gold-soft:#fbf0cf;
  --sky:#5e91ad;
  --sky-soft:#e5f0f4;
  --plum:#8b6685;
  --plum-soft:#f1e8ef;
  --shadow-sm:0 2px 0 rgba(76,63,45,.05), 0 8px 18px rgba(87,67,42,.05);
  --shadow:0 3px 0 rgba(76,63,45,.06), 0 16px 38px rgba(87,67,42,.08);
  --shadow-lg:0 4px 0 rgba(76,63,45,.05), 0 24px 60px rgba(87,67,42,.14);
  --radius-sm:12px;
  --radius:20px;
  --radius-lg:30px;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-hanzi:"STKaiti","KaiTi","Kaiti SC","KaiTi_GB2312","Noto Serif SC",serif;
  --font-pinyin:"Segoe UI","Microsoft YaHei","PingFang SC","Arial",sans-serif;
  --ease:cubic-bezier(.22,.8,.28,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-width:320px;
  min-height:100vh;
  color:var(--ink);
  font-family:var(--font-body);
  background:
    radial-gradient(900px 420px at 4% -6%, rgba(232,193,120,.24), transparent 65%),
    radial-gradient(850px 450px at 102% 2%, rgba(139,183,157,.20), transparent 62%),
    linear-gradient(180deg,#fdf9ef 0%,var(--paper) 45%,#f8f2e3 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.22;
  background-image:radial-gradient(rgba(71,84,71,.24) .55px, transparent .55px);
  background-size:7px 7px;
  z-index:0;
}
body.eye-care{
  --paper:#f3ead6;
  --paper-deep:#eaddc4;
  --card:#fbf3e2;
  --card-soft:#f7edda;
  --ink:#3b382e;
  --ink-soft:#5e584b;
  --muted:#8e8574;
  --line:#dfd1b7;
  --line-strong:#cbbb9d;
  --green:#64735a;
  --green-deep:#48543f;
  --green-soft:#e7e4d3;
  --coral:#c27a55;
  --coral-deep:#a5603f;
  --coral-soft:#f2e2d2;
  --gold:#c2953b;
  --gold-soft:#f1e5c3;
  --sky:#71838a;
  --sky-soft:#e8e6d9;
  --plum:#7a6d6e;
  --plum-soft:#eee2dc;
  background:
    radial-gradient(900px 420px at 6% -6%, rgba(196,153,75,.18), transparent 65%),
    radial-gradient(900px 440px at 104% 2%, rgba(125,153,118,.16), transparent 62%),
    linear-gradient(180deg,#f7efdd 0%,#f2e8d3 60%,#eee1c9 100%);
}
body.eye-care::before{opacity:.13}
body.sound-off .wave-bar{animation-play-state:paused!important}

::selection{background:rgba(223,111,82,.22)}
button,input,select,textarea{font:inherit;color:inherit}
button{ -webkit-tap-highlight-color:transparent}
a{color:var(--green-deep)}
svg{display:block}
h1,h2,h3,h4,p{margin-top:0}
:focus-visible{outline:3px solid rgba(223,111,82,.55);outline-offset:3px}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.skip-link{
  position:fixed;left:16px;top:-80px;z-index:120;background:var(--ink);color:#fff;
  padding:12px 18px;border-radius:12px;text-decoration:none;transition:top .2s;
}
.skip-link:focus{top:12px}

.site-shell{
  position:relative;z-index:1;
  width:min(1280px,100%);
  min-height:100vh;
  margin:0 auto;
  padding:0 28px;
  display:flex;
  flex-direction:column;
}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:82px;padding:14px 4px;
  background:linear-gradient(180deg,rgba(253,249,239,.94) 55%,rgba(253,249,239,0));
  backdrop-filter:blur(10px);
}
body.eye-care .site-header{background:linear-gradient(180deg,rgba(247,239,221,.95) 55%,rgba(247,239,221,0))}
.brand{
  display:flex;align-items:center;gap:12px;
  border:0;background:none;padding:4px;border-radius:14px;cursor:pointer;text-align:left;
}
.brand:hover .brand-seal{transform:rotate(-4deg) scale(1.04)}
.brand-seal{
  width:48px;height:48px;border-radius:15px;display:grid;place-items:center;
  background:linear-gradient(145deg,#e6795b,#cf5f45);
  color:#fffaf0;font-family:var(--font-hanzi);font-size:29px;line-height:1;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35), 0 8px 18px rgba(188,82,58,.22);
  transition:transform .25s var(--ease);
}
.brand-copy{display:flex;flex-direction:column;gap:1px}
.brand-copy strong{font-size:20px;letter-spacing:.07em;font-weight:700;color:var(--ink)}
.brand-copy small{font-size:11px;letter-spacing:.18em;color:var(--muted)}
.header-tools{display:flex;align-items:center;gap:8px}
.tool-btn{
  display:flex;align-items:center;gap:6px;
  height:40px;padding:0 13px;border:1px solid var(--line);
  border-radius:999px;background:rgba(255,253,247,.7);cursor:pointer;
  color:var(--ink-soft);font-size:13px;transition:.2s var(--ease);
}
.tool-btn:hover{background:var(--card);border-color:var(--line-strong);transform:translateY(-1px)}
.tool-btn[aria-pressed="false"]{opacity:.62}
.tool-btn[aria-pressed="false"] .tool-icon::after{
  content:"";position:absolute;left:2px;right:2px;top:50%;height:2px;border-radius:2px;
  background:currentColor;transform:rotate(-38deg);
}
.tool-icon{position:relative;display:grid;place-items:center;width:18px;height:18px}
.tool-icon svg{width:18px;height:18px}
.star-pill{
  display:flex;align-items:center;gap:6px;height:40px;padding:0 15px;border-radius:999px;
  background:linear-gradient(145deg,#f9e8b4,#f5da8d);
  border:1px solid #ecd28b;color:#896019;font-weight:800;font-size:15px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.5);
}
.star-glyph{color:#c88c13;font-size:17px;line-height:1;text-shadow:0 1px 0 #fff}
.star-pill.bump{animation:starBump .42s var(--ease)}
@keyframes starBump{0%{transform:scale(1)}40%{transform:scale(1.16) rotate(-3deg)}100%{transform:scale(1)}}

.app-main{flex:1;padding:10px 0 52px;min-height:60vh}
.site-footer{
  display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;
  padding:22px 0 26px;color:var(--muted);font-size:11.5px;letter-spacing:.05em;
  border-top:1px solid rgba(216,203,178,.55);
}
.footer-dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong)}

/* ---------- 通用页面 ---------- */
.page{animation:pageIn .42s var(--ease) both}
@keyframes pageIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.page-head{
  display:flex;align-items:flex-start;gap:18px;
  margin:8px 0 24px;
}
.back-btn{
  flex:0 0 auto;display:flex;align-items:center;gap:7px;height:44px;padding:0 16px 0 13px;
  border:1px solid var(--line);border-radius:999px;background:var(--card);cursor:pointer;
  color:var(--ink-soft);font-size:14px;box-shadow:var(--shadow-sm);transition:.2s var(--ease);
}
.back-btn:hover{transform:translateX(-2px);border-color:var(--line-strong)}
.back-btn svg{width:17px;height:17px}
.page-head-copy{flex:1;min-width:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;margin-bottom:7px;
  font-size:11px;letter-spacing:.18em;font-weight:700;color:var(--coral-deep);text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:currentColor;opacity:.55}
.page-title{
  margin:0 0 5px;font-size:clamp(25px,3vw,34px);line-height:1.2;letter-spacing:.03em;
  font-family:var(--font-hanzi);font-weight:700;color:var(--ink);
}
.page-sub{margin:0;color:var(--muted);font-size:13.5px;line-height:1.6}
.page-side{flex:0 0 auto;display:flex;align-items:center;gap:8px;padding-top:4px}
.progress-pill{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;border-radius:999px;
  background:var(--green-soft);color:var(--green-deep);font-size:13px;font-weight:700;white-space:nowrap;
}
.progress-pill .dot{width:7px;height:7px;border-radius:50%;background:currentColor}

.panel{
  background:rgba(255,253,247,.78);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-sm);
}
.panel.flat{box-shadow:none;background:rgba(255,253,247,.52)}
.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}
.panel-title{margin:0;font-size:19px;font-family:var(--font-hanzi);letter-spacing:.04em}
.panel-sub{margin:3px 0 0;font-size:12.5px;color:var(--muted);line-height:1.6}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:34px 0 15px}
.section-head h2{margin:0;font-size:20px;font-family:var(--font-hanzi);letter-spacing:.04em}
.section-head p{margin:3px 0 0;color:var(--muted);font-size:12.5px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.02em;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease), box-shadow .18s var(--ease), background .18s;
  text-decoration:none;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.985)}
.btn svg{width:18px;height:18px}
.btn-primary{
  color:#fffaf3;background:linear-gradient(145deg,#e37b5d,#cf6047);
  box-shadow:0 7px 0 rgba(154,66,44,.14), 0 13px 24px rgba(196,83,56,.22);
}
.btn-primary:hover{box-shadow:0 9px 0 rgba(154,66,44,.12), 0 15px 26px rgba(196,83,56,.25)}
.btn-green{
  color:#fff;background:linear-gradient(145deg,#5e8e72,#436f57);
  box-shadow:0 7px 0 rgba(48,84,63,.12), 0 13px 24px rgba(67,111,87,.2);
}
.btn-soft{
  background:var(--card);border-color:var(--line);color:var(--ink-soft);
  box-shadow:var(--shadow-sm);
}
.btn-soft:hover{border-color:var(--line-strong);background:#fff}
.btn-gold{
  color:#6e4c0f;background:linear-gradient(145deg,#f2d690,#e7bf60);
  box-shadow:0 7px 0 rgba(152,110,26,.10),0 12px 22px rgba(193,145,48,.15);
}
.btn-sm{min-height:38px;padding:0 16px;font-size:13px}
.btn-lg{min-height:54px;padding:0 30px;font-size:16.5px}
.btn-block{width:100%}
.btn[disabled]{cursor:not-allowed;opacity:.45;transform:none;box-shadow:none}
.btn-ghost{
  min-height:40px;padding:0 14px;border-radius:12px;border:1px solid var(--line);
  background:transparent;font-size:13px;cursor:pointer;color:var(--muted);transition:.2s;
}
.btn-ghost:hover{background:var(--card);color:var(--ink)}

.icon-btn{
  width:42px;height:42px;padding:0;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);background:var(--card);cursor:pointer;color:var(--ink-soft);
  transition:.18s var(--ease);box-shadow:var(--shadow-sm);
}
.icon-btn:hover{transform:translateY(-1px);border-color:var(--line-strong)}
.icon-btn svg{width:19px;height:19px}
.text-btn{
  border:0;background:none;padding:4px 2px;color:var(--green);font-size:13px;font-weight:700;
  cursor:pointer;border-bottom:1px dashed rgba(77,124,98,.45);
}
.text-btn:hover{color:var(--green-deep);border-bottom-style:solid}

.tag{
  display:inline-flex;align-items:center;gap:5px;height:26px;padding:0 10px;border-radius:999px;
  background:var(--paper-deep);color:var(--ink-soft);font-size:11.5px;font-weight:600;white-space:nowrap;
}
.tag.green{background:var(--green-soft);color:var(--green-deep)}
.tag.coral{background:var(--coral-soft);color:var(--coral-deep)}
.tag.gold{background:var(--gold-soft);color:#875f16}
.tag.sky{background:var(--sky-soft);color:#456e82}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor}

.sr-divider{height:1px;background:var(--line);margin:22px 0}

/* ---------- 首页 ---------- */
.home-page{padding-top:2px}
.hero{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);
  gap:28px;align-items:center;
  min-height:360px;padding:40px 44px;
  border:1px solid rgba(216,203,178,.85);
  border-radius:38px;
  background:
    radial-gradient(420px 260px at 88% 20%, rgba(234,204,139,.36), transparent 62%),
    radial-gradient(380px 250px at 12% 100%, rgba(146,187,160,.24), transparent 65%),
    linear-gradient(135deg,rgba(255,252,243,.96),rgba(250,244,229,.9));
  box-shadow:var(--shadow);
}
.hero::after{
  content:"";position:absolute;right:-50px;top:-80px;width:280px;height:280px;border-radius:50%;
  border:1px dashed rgba(181,145,80,.3);pointer-events:none;
}
.hero-copy{position:relative;z-index:2}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;padding:7px 13px;
  border-radius:999px;background:rgba(255,255,255,.65);border:1px solid var(--line);
  color:var(--green-deep);font-size:12px;font-weight:700;letter-spacing:.08em;
}
.hero-kicker .sprout{width:16px;height:16px;border-radius:50% 50% 50% 0;background:var(--green);transform:rotate(-45deg);position:relative}
.hero-kicker .sprout::after{content:"";position:absolute;width:1.5px;height:8px;background:var(--green-deep);bottom:-5px;left:7px;transform:rotate(45deg)}
.hero h1{
  margin:0 0 16px;font-family:var(--font-hanzi);font-weight:700;
  font-size:clamp(38px,5vw,62px);line-height:1.12;letter-spacing:.02em;
}
.hero h1 .accent{position:relative;color:var(--coral-deep);white-space:nowrap}
.hero h1 .accent::after{
  content:"";position:absolute;left:2%;right:2%;bottom:1px;height:9px;border-radius:50%;
  background:rgba(223,111,82,.18);z-index:-1;transform:rotate(-1deg);
}
.hero-lede{max-width:480px;margin:0 0 24px;color:var(--ink-soft);font-size:15px;line-height:1.85}
.hero-lede strong{color:var(--green-deep)}
.hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.hero-mini{display:flex;align-items:center;gap:18px;margin-top:25px;color:var(--muted);font-size:12px}
.hero-mini b{display:block;color:var(--ink);font-size:18px;font-family:var(--font-pinyin);font-weight:700;line-height:1.2}
.hero-mini span{display:block;margin-top:2px;letter-spacing:.04em}
.hero-mini i{width:1px;height:28px;background:var(--line);display:block}

.mascot-stage{position:relative;display:flex;align-items:flex-end;justify-content:center;min-height:280px}
.mascot-halo{
  position:absolute;width:248px;height:248px;border-radius:50%;
  background:radial-gradient(circle at 45% 38%, rgba(255,255,255,.9), rgba(241,226,187,.55) 55%, rgba(232,213,168,0) 72%);
  bottom:15px;
}
.mascot{
  position:relative;width:232px;height:258px;filter:drop-shadow(0 18px 20px rgba(82,76,48,.14));
  animation:mascotFloat 4.8s ease-in-out infinite;
}
@keyframes mascotFloat{0%,100%{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-8px) rotate(1deg)}}
.mascot-body{
  position:absolute;left:28px;bottom:10px;width:176px;height:180px;
  border-radius:52% 52% 45% 45%/48% 48% 52% 52%;
  background:linear-gradient(155deg,#e8f0d8,#bad4b3 70%);
  border:2px solid #9fbea0;
  box-shadow:inset 8px 10px 20px rgba(255,255,255,.5), inset -10px -12px 25px rgba(94,126,88,.18);
}
.mascot-body::before{ /* 肚皮 */
  content:"";position:absolute;left:36px;bottom:18px;width:104px;height:96px;border-radius:50%;
  background:rgba(255,249,228,.62);
}
.mascot-leaf{
  position:absolute;width:62px;height:34px;border-radius:100% 0 100% 0;background:linear-gradient(145deg,#7fa97d,#4d7c62);
  border:1.5px solid #436e55;
}
.mascot-leaf.one{left:100px;top:39px;transform:rotate(-25deg)}
.mascot-leaf.two{left:57px;top:54px;transform:rotate(40deg) scale(.8);opacity:.9}
.mascot-stem{position:absolute;left:113px;top:53px;width:2px;height:30px;background:#4d7c62;transform:rotate(-3deg)}
.mascot-face{position:absolute;inset:65px 30px auto;display:flex;flex-direction:column;align-items:center;gap:12px}
.mascot-eyes{display:flex;gap:34px}
.mascot-eye{width:11px;height:14px;border-radius:50%;background:#3d4f3e;position:relative}
.mascot-eye::after{content:"";position:absolute;left:3px;top:2px;width:4px;height:4px;border-radius:50%;background:#fff;opacity:.9}
.mascot-cheek{position:absolute;top:27px;left:2px;right:2px;display:flex;justify-content:space-between}
.mascot-cheek i{width:17px;height:9px;border-radius:50%;background:rgba(224,128,115,.42);filter:blur(1px)}
.mascot-mouth{width:16px;height:9px;border-bottom:2px solid #3d4f3e;border-radius:0 0 15px 15px}
.mascot-arm{position:absolute;width:42px;height:16px;background:#b7d1b0;border:1.5px solid #9fbea0;border-radius:20px}
.mascot-arm.left{left:13px;bottom:78px;transform:rotate(28deg)}
.mascot-arm.right{right:13px;bottom:64px;transform:rotate(-42deg)}
.mascot-foot{position:absolute;bottom:2px;width:42px;height:18px;border-radius:50%;background:#a8c5a1;border:1.5px solid #91b08d}
.mascot-foot.left{left:52px}.mascot-foot.right{right:52px}
.mascot-shadow{position:absolute;bottom:0;width:150px;height:16px;border-radius:50%;background:rgba(89,76,48,.12);filter:blur(5px)}
.mascot-accessory{
  position:absolute;left:82px;top:5px;font-size:26px;transform:rotate(-9deg);
  filter:drop-shadow(0 3px 4px rgba(0,0,0,.12));
}
.mascot-bubble{
  position:absolute;right:0;top:26px;max-width:138px;padding:10px 14px;
  background:#fffdf6;border:1px solid var(--line);border-radius:16px 16px 16px 4px;
  font-size:12px;line-height:1.55;color:var(--ink-soft);box-shadow:var(--shadow-sm);
}
.mascot-name{
  position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  padding:5px 13px;border-radius:999px;background:var(--ink);color:#fffaf0;font-size:11px;letter-spacing:.12em;
}
.hero-floater{
  position:absolute;font-family:var(--font-pinyin);color:rgba(78,116,91,.42);
  font-size:25px;user-select:none;animation:floatLetter 6s ease-in-out infinite;
}
.hero-floater.a{left:11px;top:34px;transform:rotate(-9deg)}
.hero-floater.b{right:34px;bottom:58px;animation-delay:-2s;font-size:20px}
.hero-floater.c{left:35px;bottom:50px;animation-delay:-4s;font-size:17px}
@keyframes floatLetter{0%,100%{transform:translateY(0) rotate(-7deg)}50%{transform:translateY(-12px) rotate(4deg)}}

/* 年级选择 */
.grade-bar{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:12px 16px;margin:22px 0 0;border:1px solid var(--line);border-radius:20px;
  background:rgba(255,253,247,.62);
}
.grade-bar-label{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--muted);font-weight:600}
.grade-bar-label svg{width:16px;height:16px;color:var(--green)}
.segmented{display:flex;gap:5px;flex-wrap:wrap}
.seg{
  min-width:54px;height:34px;padding:0 13px;border:1px solid transparent;border-radius:999px;
  background:transparent;color:var(--muted);font-size:12.5px;cursor:pointer;transition:.18s;
}
.seg:hover{background:rgba(255,255,255,.75);color:var(--ink)}
.seg.active{background:var(--ink);color:#fffaf0;font-weight:700;box-shadow:0 5px 12px rgba(47,58,51,.16)}
.grade-note{margin-left:auto;font-size:11.5px;color:var(--muted);display:flex;align-items:center;gap:5px}
.grade-note b{color:var(--green-deep)}

/* 模块卡片 */
.module-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.module-card{
  --m-color:var(--green);
  --m-soft:var(--green-soft);
  position:relative;overflow:hidden;
  min-height:190px;padding:22px 21px 18px;
  display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:26px;
  background:rgba(255,253,247,.78);
  text-align:left;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
  box-shadow:var(--shadow-sm);
}
.module-card::before{
  content:"";position:absolute;width:150px;height:150px;right:-50px;top:-55px;border-radius:50%;
  background:var(--m-soft);opacity:.75;transition:transform .4s var(--ease);
}
.module-card::after{
  content:"";position:absolute;left:20px;right:20px;bottom:0;height:3px;border-radius:3px 3px 0 0;
  background:var(--m-color);opacity:0;transform:scaleX(.4);transition:.3s var(--ease);
}
.module-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.module-card:hover::before{transform:scale(1.12)}
.module-card:hover::after{opacity:.7;transform:scaleX(1)}
.module-card:active{transform:translateY(-1px)}
.module-icon{
  position:relative;z-index:1;width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
  color:var(--m-color);background:var(--m-soft);margin-bottom:20px;
}
.module-icon svg{width:25px;height:25px}
.module-index{position:absolute;right:18px;top:18px;font-family:var(--font-pinyin);font-size:12px;color:var(--muted);opacity:.65}
.module-card h3{position:relative;z-index:1;margin:0 0 7px;font-size:18px;font-family:var(--font-hanzi);letter-spacing:.04em}
.module-card p{position:relative;z-index:1;margin:0;color:var(--muted);font-size:12.5px;line-height:1.65}
.module-meta{position:relative;z-index:1;display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:16px;font-size:11.5px;color:var(--m-color);font-weight:700}
.module-meta .arrow{transition:transform .2s;margin-left:auto}
.module-card:hover .module-meta .arrow{transform:translateX(3px)}
.module-card.tone-coral{--m-color:var(--coral);--m-soft:var(--coral-soft)}
.module-card.tone-gold{--m-color:#a8791e;--m-soft:var(--gold-soft)}
.module-card.tone-sky{--m-color:var(--sky);--m-soft:var(--sky-soft)}
.module-card.tone-plum{--m-color:var(--plum);--m-soft:var(--plum-soft)}
.module-card.tone-green{--m-color:var(--green);--m-soft:var(--green-soft)}
.module-card.wide{grid-column:span 2}
.module-card.feature{
  color:#fffaf0;border-color:transparent;
  background:linear-gradient(140deg,#4e7d63,#365e48);
  box-shadow:0 16px 30px rgba(62,101,75,.24);
}
.module-card.feature::before{background:rgba(255,255,255,.1);opacity:1}
.module-card.feature .module-icon{background:rgba(255,255,255,.16);color:#fff8e8}
.module-card.feature p{color:rgba(255,250,240,.72)}
.module-card.feature .module-meta{color:#f4ddb0}
.module-card.feature .module-index{color:rgba(255,255,255,.5)}
.module-card.feature .feature-art{
  position:absolute;right:26px;top:50%;transform:translateY(-54%) rotate(-6deg);
  display:flex;flex-direction:column;gap:2px;align-items:center;
  font-family:var(--font-pinyin);font-size:58px;line-height:1.05;letter-spacing:.04em;
  color:rgba(255,250,240,.15);pointer-events:none;user-select:none;
}
.module-card.feature .feature-art small{
  display:block;font-family:var(--font-hanzi);font-size:13px;letter-spacing:.4em;
  color:rgba(255,250,240,.36);writing-mode:vertical-rl;margin-top:10px;
}

/* 首页两栏 */
.home-columns{display:grid;grid-template-columns:minmax(0,1.22fr) minmax(320px,.78fr);gap:20px;margin-top:20px;align-items:stretch}
.mascot-card{
  position:relative;overflow:hidden;padding:24px;border:1px solid var(--line);border-radius:28px;
  background:linear-gradient(145deg,rgba(236,244,225,.86),rgba(253,248,233,.9));
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
}
.mascot-card::after{content:"✿";position:absolute;right:-6px;bottom:-20px;font-size:110px;color:rgba(144,173,130,.13);transform:rotate(15deg)}
.mascot-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;position:relative;z-index:1}
.mascot-card-head h3{margin:0;font-size:17px;font-family:var(--font-hanzi)}
.mascot-card-head p{margin:4px 0 0;font-size:12px;color:var(--muted)}
.mascot-avatar{
  width:70px;height:70px;border-radius:24px;display:grid;place-items:center;font-size:38px;
  background:rgba(255,253,247,.65);border:1px solid rgba(159,190,160,.5);
}
.mascot-level-row{display:flex;align-items:center;gap:12px;margin-top:20px;position:relative;z-index:1}
.mascot-level-row strong{font-size:13px}
.mascot-level-row span{font-size:11.5px;color:var(--muted);margin-left:auto}
.level-track{height:8px;border-radius:8px;background:rgba(126,158,120,.18);overflow:hidden;margin-top:9px;position:relative;z-index:1}
.level-fill{height:100%;border-radius:8px;background:linear-gradient(90deg,#7ea87a,#4d7c62);transition:width .7s var(--ease)}
.mascot-card-foot{display:flex;align-items:center;gap:8px;margin-top:20px;position:relative;z-index:1;flex-wrap:wrap}
.mascot-tip{font-size:11.5px;line-height:1.6;color:var(--muted);margin:16px 0 0;position:relative;z-index:1}
.mascot-goals{margin-top:15px;padding-top:14px;border-top:1px dashed rgba(151,173,140,.5);position:relative;z-index:1}
.mascot-goals-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:7px}
.mascot-goals-head b{font-size:12px;letter-spacing:.04em}
.mascot-goals-head span{font-family:var(--font-pinyin);font-size:10px;color:var(--muted)}
.goal-line{display:flex;align-items:center;gap:8px;padding:3.5px 0;font-size:11.5px;color:var(--ink-soft)}
.goal-line i{width:16px;height:16px;flex:0 0 auto;border:1px solid var(--line-strong);border-radius:50%;display:grid;place-items:center;font-size:9px;font-style:normal;color:#fff;background:rgba(255,255,255,.5)}
.goal-line.done{color:var(--muted);text-decoration:line-through;text-decoration-color:rgba(109,151,121,.45)}
.goal-line.done i{background:var(--green);border-color:var(--green);text-decoration:none}
.mascot-char-row{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:13px;padding-top:13px;border-top:1px dashed rgba(151,173,140,.5);position:relative;z-index:1}
.mascot-char-row > span{font-size:10.5px;color:var(--muted);letter-spacing:.04em;margin-right:2px}
.mascot-char{
  width:35px;height:35px;border-radius:10px;border:1px solid rgba(151,173,140,.55);
  background:rgba(255,253,247,.7);font-family:var(--font-hanzi);font-size:19px;color:var(--green-deep);
  cursor:pointer;transition:.16s;
}
.mascot-char:hover{background:#fffdf7;border-color:var(--green);transform:translateY(-2px)}

.trail-card{
  position:relative;padding:24px;border:1px solid var(--line);border-radius:28px;
  background:rgba(255,253,247,.72);box-shadow:var(--shadow-sm);overflow:hidden;
}
.trail{position:relative;margin-top:20px;padding-left:6px}
.trail::before{content:"";position:absolute;left:21px;top:15px;bottom:15px;border-left:2px dashed rgba(174,160,130,.5)}
.trail-node{
  position:relative;display:flex;align-items:center;gap:13px;padding:8px 8px 8px 0;border-radius:14px;
  background:none;border:0;text-align:left;cursor:pointer;width:100%;transition:.2s;
}
.trail-node:hover{background:rgba(255,255,255,.65);transform:translateX(2px)}
.trail-dot{
  position:relative;z-index:1;flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;background:var(--card);border:1.5px solid var(--line-strong);
  color:var(--muted);font-size:11px;font-weight:800;font-family:var(--font-pinyin);
}
.trail-node.done .trail-dot{background:var(--green);border-color:var(--green);color:#fff}
.trail-node.current .trail-dot{background:var(--coral);border-color:var(--coral);color:#fff;box-shadow:0 0 0 5px rgba(223,111,82,.13)}
.trail-copy{flex:1;min-width:0}
.trail-copy b{display:block;font-size:13px;font-weight:700}
.trail-copy small{display:block;margin-top:2px;font-size:11px;color:var(--muted)}
.trail-pct{font-family:var(--font-pinyin);font-size:11px;color:var(--muted)}
.quick-strip{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);position:relative;z-index:1}

/* ---------- 拼音课堂 ---------- */
.subtabs{
  display:flex;gap:6px;flex-wrap:wrap;padding:6px;margin-bottom:22px;
  border:1px solid var(--line);border-radius:18px;background:rgba(255,253,247,.56);
}
.subtab{
  border:0;border-radius:12px;background:transparent;padding:10px 15px;
  font-size:13px;color:var(--muted);cursor:pointer;transition:.18s;font-weight:600;
}
.subtab:hover{background:rgba(255,255,255,.7);color:var(--ink)}
.subtab.active{background:var(--card);color:var(--ink);box-shadow:var(--shadow-sm)}
.subtab .count{font-size:10px;margin-left:4px;opacity:.6;font-family:var(--font-pinyin)}
.py-grid{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:11px}
.py-card{
  position:relative;min-height:118px;padding:16px 8px 12px;border:1px solid var(--line);border-radius:18px;
  background:var(--card);cursor:pointer;text-align:center;box-shadow:0 2px 0 rgba(76,63,45,.035);
  transition:transform .2s var(--ease),border-color .2s,box-shadow .2s;overflow:hidden;
}
.py-card::after{content:"";position:absolute;left:50%;bottom:8px;width:28px;height:3px;border-radius:3px;background:var(--green-soft);transform:translateX(-50%)}
.py-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-sm)}
.py-card.speaking{border-color:var(--coral);box-shadow:0 0 0 4px rgba(223,111,82,.12);background:#fffaf3}
.py-card .py-mark{
  display:flex;align-items:center;justify-content:center;height:48px;margin:0 auto 3px;
  font-family:var(--font-pinyin);font-size:31px;line-height:1.15;letter-spacing:.02em;color:var(--ink);
  background-image:repeating-linear-gradient(to bottom,rgba(207,121,92,.20) 0 1px,transparent 1px 14px);
  background-position:0 2px;background-size:100% 56px;
}
.py-card .py-read{margin-top:7px;font-size:12px;color:var(--muted)}
.py-card .py-hint{display:none}
.py-card[data-special="true"] .py-mark{color:var(--green-deep)}
.py-card.speaking .wave-mini{opacity:1}
.wave-mini{
  position:absolute;right:8px;top:8px;display:flex;align-items:flex-end;gap:2px;height:10px;opacity:0;transition:.2s;
}
.wave-mini i{width:2px;height:5px;border-radius:2px;background:var(--coral);animation:waveMini .75s ease-in-out infinite}
.wave-mini i:nth-child(2){height:9px;animation-delay:.1s}
.wave-mini i:nth-child(3){height:6px;animation-delay:.2s}
@keyframes waveMini{0%,100%{transform:scaleY(.45)}50%{transform:scaleY(1)}}

.py-detail{
  margin-top:18px;padding:22px 24px;border:1px solid var(--line);border-radius:24px;
  background:linear-gradient(135deg,rgba(255,253,247,.94),rgba(247,241,226,.85));
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:20px;align-items:center;
}
.py-detail.hidden{display:none}
.py-detail-mark{
  width:96px;height:96px;border-radius:24px;display:grid;place-items:center;
  background:
    repeating-linear-gradient(to bottom,rgba(207,121,92,.16) 0 1px,transparent 1px 20px),
    var(--green-soft);
  border:1px solid rgba(122,159,130,.3);
  font-family:var(--font-pinyin);font-size:44px;color:var(--green-deep);
}
.py-detail-copy h3{margin:0 0 5px;font-size:17px;font-family:var(--font-hanzi)}
.py-detail-copy p{margin:0;color:var(--muted);font-size:12.5px;line-height:1.7}
.py-detail-copy .mnemonic{margin-top:8px;color:var(--ink-soft);font-size:13px}
.py-detail-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}

/* 四声 */
.tone-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:20px}
.tone-base-card{padding:24px;border:1px solid var(--line);border-radius:24px;background:var(--card)}
.tone-base-title{font-size:12px;color:var(--muted);font-weight:700;letter-spacing:.1em;margin-bottom:13px}
.tone-bases{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.tone-base{
  height:54px;border:1px solid var(--line);border-radius:14px;background:var(--card-soft);
  font-family:var(--font-pinyin);font-size:25px;cursor:pointer;transition:.18s;color:var(--ink-soft);
}
.tone-base:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.tone-base.active{background:var(--green);border-color:var(--green);color:#fff;box-shadow:0 7px 15px rgba(77,124,98,.22)}
.tone-tip{
  margin-top:18px;padding:13px 14px;border-radius:14px;background:var(--gold-soft);
  font-size:11.5px;line-height:1.7;color:#72541a;
}
.tone-tip b{display:block;margin-bottom:3px}
.tone-main{padding:24px;border:1px solid var(--line);border-radius:24px;background:var(--card)}
.tone-main-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.tone-main-head h3{margin:0;font-family:var(--font-hanzi);font-size:17px}
.tone-main-head p{margin:3px 0 0;font-size:11.5px;color:var(--muted)}
.tone-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.tone-card{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:18px;background:var(--card-soft);
  padding:18px 8px 14px;text-align:center;cursor:pointer;transition:.22s var(--ease);
}
.tone-card:hover{transform:translateY(-3px);border-color:var(--line-strong);background:#fff}
.tone-card .tone-number{position:absolute;left:10px;top:8px;font-family:var(--font-pinyin);font-size:10px;color:var(--muted)}
.tone-card .tone-mark{font-family:var(--font-pinyin);font-size:43px;line-height:1.1;color:var(--ink)}
.tone-card .tone-name{font-size:11.5px;color:var(--muted);margin-top:5px}
.tone-contour{width:100%;height:38px;margin:9px auto 0;color:var(--coral);opacity:.8}
.tone-contour path{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.tone-contour .guide{stroke:var(--line);stroke-width:1;stroke-dasharray:3 4}
.tone-contour .dot{fill:var(--coral);stroke:none}
.tone-card.speaking{border-color:var(--coral);background:#fff8f1;box-shadow:0 0 0 4px rgba(223,111,82,.1)}

/* 标调规则 */
.rule-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:20px}
.rule-card{padding:26px;border:1px solid var(--line);border-radius:24px;background:var(--card)}
.rule-card h3{margin:0 0 8px;font-family:var(--font-hanzi);font-size:19px}
.rule-card > p{margin:0 0 22px;font-size:12.5px;color:var(--muted);line-height:1.7}
.rule-line{
  display:grid;grid-template-columns:32px minmax(0,1fr);gap:12px;align-items:start;
  padding:15px 0;border-top:1px dashed var(--line);
}
.rule-line:first-of-type{border-top:0}
.rule-no{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:var(--coral-soft);color:var(--coral-deep);font-size:12px;font-weight:800;
}
.rule-line b{display:block;font-size:14px;margin-bottom:3px}
.rule-line p{margin:0;color:var(--muted);font-size:12px;line-height:1.65}
.rule-line .example{font-family:var(--font-pinyin);color:var(--green-deep);font-size:15px;font-weight:700}
.rule-practice{
  padding:24px;border:1px solid var(--line);border-radius:24px;
  background:linear-gradient(145deg,#fff9ec,#fbf2dd);
}
.rule-practice h3{margin:0 0 5px;font-size:16px;font-family:var(--font-hanzi)}
.rule-practice > p{margin:0 0 20px;font-size:11.5px;color:var(--muted);line-height:1.65}
.hat-syllable{display:flex;justify-content:center;gap:5px;margin:10px 0 6px;flex-wrap:wrap}
.hat-letter{
  width:50px;height:62px;border:1px solid var(--line);border-radius:12px;background:#fff;
  font-family:var(--font-pinyin);font-size:28px;display:grid;place-items:center;cursor:pointer;
  transition:.18s;position:relative;
}
.hat-letter:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.hat-letter.correct{background:var(--green-soft);border-color:var(--green);color:var(--green-deep)}
.hat-letter.wrong{background:var(--coral-soft);border-color:var(--coral);color:var(--coral-deep);animation:shake .35s}
.hat-letter .hat{position:absolute;top:-13px;font-size:14px;color:var(--coral);opacity:0;transform:translateY(4px);transition:.2s}
.hat-letter.correct .hat{opacity:1;transform:none}
.hat-feedback{min-height:38px;text-align:center;font-size:12.5px;color:var(--muted);line-height:1.6;margin-top:12px}
.hat-feedback.good{color:var(--green-deep)}
.hat-feedback.bad{color:var(--coral-deep)}
.hat-score{display:flex;justify-content:center;gap:8px;margin-top:10px;font-family:var(--font-pinyin);font-size:11px;color:var(--muted)}

/* 易混 */
.confusion-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.confusion-card{
  padding:22px;border:1px solid var(--line);border-radius:22px;background:var(--card);
  box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
}
.confusion-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c-swatch,var(--green-soft));
}
.confusion-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;position:relative;padding-right:62px;min-height:64px}
.confusion-top > .tag{position:absolute;right:0;top:0}
.confusion-pair{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.confusion-glyph{
  min-width:58px;height:64px;padding:0 10px;border-radius:15px;display:grid;place-items:center;
  background:var(--paper-deep);font-family:var(--font-pinyin);font-size:27px;cursor:pointer;
  border:1px solid transparent;transition:.18s;
}
.confusion-glyph:hover{background:#fff;border-color:var(--line-strong);transform:translateY(-2px)}
.confusion-glyph.speaking{border-color:var(--coral)}
.confusion-vs{font-family:var(--font-pinyin);font-size:11px;color:var(--muted)}
.confusion-copy h3{margin:0 0 5px;font-size:14.5px}
.confusion-copy p{margin:0;color:var(--muted);font-size:12px;line-height:1.7}
.confusion-eg{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.confusion-eg span{font-size:11.5px;color:var(--ink-soft);background:var(--card-soft);border:1px solid var(--line);border-radius:999px;padding:4px 9px}
.confusion-actions{margin-top:14px;display:flex;gap:8px}

/* ---------- 拼读 ---------- */
.mode-switch{display:flex;gap:8px;padding:5px;border:1px solid var(--line);border-radius:16px;background:rgba(255,253,247,.65);width:max-content;max-width:100%;margin-bottom:20px;flex-wrap:wrap}
.mode-btn{
  border:0;background:transparent;border-radius:11px;padding:9px 16px;font-size:13px;font-weight:600;
  color:var(--muted);cursor:pointer;transition:.18s;
}
.mode-btn:hover{color:var(--ink)}
.mode-btn.active{background:var(--ink);color:#fffaf0;box-shadow:0 5px 12px rgba(47,58,51,.13)}
.blend-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:18px;align-items:start}
.blend-main{display:flex;flex-direction:column;gap:16px}
.pick-panel{padding:22px;border:1px solid var(--line);border-radius:24px;background:var(--card)}
.pick-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:13px}
.pick-head h3{margin:0;font-size:14px;font-family:var(--font-hanzi)}
.pick-head span{font-size:10.5px;color:var(--muted);font-family:var(--font-pinyin);letter-spacing:.06em}
.chip-grid{display:flex;flex-wrap:wrap;gap:7px}
.chip{
  min-width:42px;height:38px;padding:0 12px;border:1px solid var(--line);border-radius:11px;
  background:var(--card-soft);font-family:var(--font-pinyin);font-size:18px;color:var(--ink-soft);
  cursor:pointer;transition:.16s;display:inline-flex;align-items:center;justify-content:center;
}
.chip:hover{border-color:var(--line-strong);background:#fff;transform:translateY(-1px)}
.chip.active{background:var(--green);border-color:var(--green);color:#fff;box-shadow:0 5px 12px rgba(77,124,98,.2)}
.chip.tone-chip{font-size:20px;min-width:56px}
.chip:disabled{opacity:.25;cursor:not-allowed;transform:none}
.blend-result{
  position:relative;overflow:hidden;padding:28px;border:1px dashed var(--line-strong);border-radius:26px;
  background:
    radial-gradient(260px 160px at 50% 0%, rgba(239,205,130,.2), transparent 65%),
    linear-gradient(145deg,#fffdf7,#fbf4e5);
  min-height:230px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
}
.blend-equation{display:flex;align-items:center;gap:12px;font-family:var(--font-pinyin);flex-wrap:wrap;justify-content:center}
.blend-part{font-size:38px;color:var(--ink-soft);line-height:1.2}
.blend-op{font-size:20px;color:var(--muted)}
.blend-answer{font-size:58px;line-height:1;color:var(--green-deep);position:relative}
.blend-answer::after{content:"";position:absolute;left:-3px;right:-3px;bottom:-2px;height:7px;background:rgba(77,124,98,.15);border-radius:4px}
.blend-char{font-family:var(--font-hanzi);font-size:44px;color:var(--coral-deep);line-height:1.2}
.blend-word{font-size:13px;color:var(--muted);margin-top:5px}
.blend-actions{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap;justify-content:center}
.blend-empty{color:var(--muted);font-size:13px;line-height:1.8}
.blend-empty .big{font-size:44px;font-family:var(--font-pinyin);color:var(--line-strong);margin-bottom:8px}
.blend-side{padding:22px;border:1px solid var(--line);border-radius:24px;background:var(--card)}
.blend-side h3{margin:0 0 8px;font-size:15px;font-family:var(--font-hanzi)}
.blend-side p{margin:0 0 15px;font-size:11.5px;color:var(--muted);line-height:1.7}
.mini-steps{display:flex;flex-direction:column;gap:0;margin-top:16px}
.mini-step{display:flex;gap:10px;position:relative;padding-bottom:16px}
.mini-step:last-child{padding-bottom:0}
.mini-step::before{content:"";position:absolute;left:11px;top:23px;bottom:0;border-left:1px dashed var(--line-strong)}
.mini-step:last-child::before{display:none}
.mini-step-no{width:23px;height:23px;flex:0 0 auto;border-radius:50%;background:var(--green-soft);color:var(--green-deep);display:grid;place-items:center;font-size:10px;font-weight:800;position:relative;z-index:1}
.mini-step b{display:block;font-size:11.5px;margin-bottom:2px}
.mini-step span{font-size:10.5px;color:var(--muted);line-height:1.5;display:block}
.tips-box{
  margin-top:16px;padding:13px 14px;border-radius:14px;background:var(--gold-soft);color:#74561d;
  font-size:11.5px;line-height:1.7;
}
.tips-box b{display:block;margin-bottom:2px}

/* 答题通用 */
.quiz-wrap{max-width:940px;margin:0 auto}
.quiz-topline{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.quiz-meta{display:flex;align-items:center;gap:14px;font-size:12px;color:var(--muted)}
.quiz-meta b{color:var(--ink);font-family:var(--font-pinyin);font-size:14px}
.quiz-progress{flex:1;min-width:140px;display:flex;align-items:center;gap:10px}
.progress-track{flex:1;height:8px;border-radius:8px;background:var(--paper-deep);overflow:hidden}
.progress-fill{height:100%;border-radius:8px;background:linear-gradient(90deg,var(--coral),#e9ad64);transition:width .45s var(--ease)}
.timer-pill{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;background:var(--coral-soft);color:var(--coral-deep);font-family:var(--font-pinyin);font-size:13px;font-weight:700}
.timer-pill.warn{animation:pulseWarn .8s infinite}
@keyframes pulseWarn{50%{background:#f6d1c4}}
.question-card{
  position:relative;padding:34px 34px 30px;border:1px solid var(--line);border-radius:30px;
  background:
    radial-gradient(360px 200px at 50% 0%, rgba(245,219,160,.26), transparent 65%),
    rgba(255,253,247,.9);
  box-shadow:var(--shadow);text-align:center;
}
.question-label{font-size:11px;letter-spacing:.15em;color:var(--muted);font-weight:700;margin-bottom:12px}
.question-pinyin{font-family:var(--font-pinyin);font-size:clamp(48px,7vw,74px);line-height:1.1;color:var(--ink);letter-spacing:.04em}
.question-char{font-family:var(--font-hanzi);font-size:clamp(60px,8vw,86px);line-height:1.15;color:var(--ink)}
.question-word{font-size:13px;color:var(--muted);margin-top:7px;min-height:20px}
.speaker-big{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;margin:20px auto 0;
  min-height:50px;min-width:176px;padding:0 22px;border-radius:999px;border:1px solid #d9c8a4;
  background:#fff9e8;color:#6e531d;font-size:14px;font-weight:700;white-space:nowrap;cursor:pointer;transition:.18s;
  box-shadow:0 5px 0 rgba(168,131,68,.12);
}
.speaker-big:hover{transform:translateY(-2px);background:#fffdf6}
.speaker-big.speaking{background:var(--gold-soft);border-color:var(--gold)}
.wave-bars{display:flex;align-items:center;gap:2px;height:14px}
.wave-bar{width:2.5px;height:7px;border-radius:2px;background:currentColor;animation:waveBar .8s ease-in-out infinite}
.wave-bar:nth-child(2){animation-delay:.12s}.wave-bar:nth-child(3){animation-delay:.24s}.wave-bar:nth-child(4){animation-delay:.36s}
@keyframes waveBar{0%,100%{transform:scaleY(.45)}50%{transform:scaleY(1.2)}}
.options-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:22px}
.options-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.option-card{
  min-height:98px;padding:14px 10px;border:1.5px solid var(--line);border-radius:18px;
  background:var(--card);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:.2s var(--ease);font-size:29px;font-family:var(--font-hanzi);position:relative;
}
.option-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-sm)}
.option-card .opt-main{font-family:var(--font-hanzi);font-size:34px;line-height:1.2}
.option-card .opt-sub{font-family:var(--font-body);font-size:11.5px;color:var(--muted);line-height:1.4}
.option-card.right{border-color:#6ea287;background:var(--green-soft);box-shadow:0 0 0 4px rgba(96,151,119,.12)}
.option-card.wrong{border-color:#d78c78;background:var(--coral-soft);animation:shake .35s}
.option-card.dim{opacity:.45}
.option-card .mark{
  position:absolute;right:9px;top:8px;width:21px;height:21px;border-radius:50%;display:none;place-items:center;
  color:#fff;font-family:var(--font-body);font-size:12px;font-weight:800;
}
.option-card.right .mark{display:grid;background:var(--green)}
.option-card.wrong .mark{display:grid;background:var(--coral)}
.option-card:disabled{cursor:default}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}55%{transform:translateX(4px)}75%{transform:translateX(-2px)}}
.answer-feedback{min-height:52px;margin-top:18px;display:flex;align-items:center;justify-content:center;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.6;flex-wrap:wrap}
.answer-feedback.good{color:var(--green-deep)}
.answer-feedback.bad{color:var(--coral-deep)}
.answer-feedback b{font-weight:800}
.quiz-actions{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:16px;flex-wrap:wrap}
.speed-hud{display:flex;align-items:center;gap:10px;justify-content:center;margin-bottom:16px;flex-wrap:wrap}
.combo-pill{padding:7px 13px;border-radius:999px;background:var(--gold-soft);color:#7b5815;font-size:12px;font-weight:800}

/* ---------- 生字库 ---------- */
.library-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px;align-items:start}
.filter-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 16px;
  border:1px solid var(--line);border-radius:18px;background:rgba(255,253,247,.7);margin-bottom:18px;
}
.filter-group{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.filter-label{font-size:10.5px;letter-spacing:.1em;color:var(--muted);font-weight:700;margin-right:1px}
.mini-seg{height:30px;padding:0 11px;border:1px solid transparent;border-radius:9px;background:transparent;color:var(--muted);font-size:11.5px;cursor:pointer;transition:.16s}
.mini-seg:hover{background:#fff;color:var(--ink)}
.mini-seg.active{background:var(--green-soft);color:var(--green-deep);border-color:rgba(109,151,121,.25);font-weight:700}
.search-wrap{position:relative;margin-left:auto;min-width:180px}
.search-wrap svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:15px;height:15px;color:var(--muted)}
.search-input{
  width:100%;height:36px;padding:0 12px 0 34px;border:1px solid var(--line);border-radius:10px;
  background:var(--card);font-size:12px;outline:none;transition:.18s;color:var(--ink);
}
.search-input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(77,124,98,.09)}
.library-count{font-size:11.5px;color:var(--muted);margin-bottom:12px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.library-count b{color:var(--ink);font-family:var(--font-pinyin);font-size:13px}
.char-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:11px}
.char-card{
  position:relative;border:1px solid var(--line);border-radius:18px;background:var(--card);
  padding:15px 10px 11px;cursor:pointer;text-align:center;transition:.2s var(--ease);box-shadow:0 2px 0 rgba(76,63,45,.03);
}
.char-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-sm);background:#fffdf9}
.char-card.learned{border-color:rgba(109,151,121,.4);background:linear-gradient(160deg,#fffdf7,#f4f9f1)}
.char-card .char-main{font-family:var(--font-hanzi);font-size:40px;line-height:1.2;color:var(--ink)}
.char-card .char-py{font-family:var(--font-pinyin);font-size:13px;color:var(--coral-deep);margin-top:2px;letter-spacing:.02em}
.char-card .char-words{font-size:10px;color:var(--muted);margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.char-card .learned-mark{
  position:absolute;right:7px;top:7px;width:17px;height:17px;border-radius:50%;display:grid;place-items:center;
  background:var(--green);color:#fff;font-size:10px;
}
.char-empty{padding:60px 20px;text-align:center;color:var(--muted);font-size:13px;border:1px dashed var(--line-strong);border-radius:20px}
.library-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:14px}
.aside-card{padding:19px;border:1px solid var(--line);border-radius:20px;background:var(--card);box-shadow:var(--shadow-sm)}
.aside-card h3{margin:0 0 8px;font-size:14px;font-family:var(--font-hanzi)}
.aside-card p{margin:0;font-size:11.5px;line-height:1.7;color:var(--muted)}
.aside-stats{display:flex;gap:16px;margin-top:14px}
.aside-stat b{display:block;font-family:var(--font-pinyin);font-size:23px;color:var(--green-deep);line-height:1}
.aside-stat span{display:block;font-size:10px;color:var(--muted);margin-top:3px}
.mini-char-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.mini-char{
  width:37px;height:37px;border:1px solid var(--line);border-radius:10px;background:var(--card-soft);
  font-family:var(--font-hanzi);font-size:20px;cursor:pointer;transition:.16s;
}
.mini-char:hover{border-color:var(--green);background:var(--green-soft);transform:translateY(-1px)}

/* 生字详情弹窗 */
.char-modal{max-width:780px}
.char-detail{display:grid;grid-template-columns:250px minmax(0,1fr);gap:26px;align-items:start}
.char-poster{
  position:relative;padding:23px;border:1px solid #e8d7b4;border-radius:24px;
  background:
    linear-gradient(90deg,transparent 49.5%,rgba(213,122,93,.32) 49.5%,rgba(213,122,93,.32) 50.5%,transparent 50.5%),
    linear-gradient(0deg,transparent 49.5%,rgba(213,122,93,.32) 49.5%,rgba(213,122,93,.32) 50.5%,transparent 50.5%),
    #fffdf8;
  display:flex;flex-direction:column;align-items:center;
}
.char-poster::after{content:"";position:absolute;inset:12px;border:1px dashed rgba(194,163,112,.5);border-radius:17px;pointer-events:none}
.char-big{
  position:relative;z-index:1;font-family:var(--font-hanzi);font-size:126px;line-height:1.18;
  color:var(--ink);text-shadow:0 2px 0 rgba(255,255,255,.8);
}
.char-big-py{position:relative;z-index:1;font-family:var(--font-pinyin);font-size:22px;color:var(--coral-deep);margin-top:6px}
.char-poster-actions{position:relative;z-index:1;display:flex;gap:6px;margin-top:14px;flex-wrap:wrap;justify-content:center}
.char-info h3{font-family:var(--font-hanzi);font-size:19px;margin:0 0 4px}
.char-info .muted{font-size:11.5px;color:var(--muted);line-height:1.6}
.meta-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:17px 0}
.meta-item{padding:10px 12px;border-radius:11px;background:var(--card-soft);border:1px solid var(--line)}
.meta-item span{display:block;font-size:10px;color:var(--muted);margin-bottom:2px}
.meta-item b{font-size:13px;font-weight:700}
.word-list{display:flex;gap:6px;flex-wrap:wrap;margin:9px 0 15px}
.word-chip{
  border:1px solid var(--line);border-radius:999px;background:#fff;padding:5px 11px;font-size:12px;color:var(--ink-soft);
  cursor:pointer;transition:.16s;font-family:var(--font-hanzi);
}
.word-chip:hover{border-color:var(--green);background:var(--green-soft);color:var(--green-deep)}
.example-sentence{
  position:relative;padding:14px 16px 14px 38px;border-radius:13px;background:var(--green-soft);
  color:var(--green-deep);font-size:12.5px;line-height:1.75;font-family:var(--font-hanzi);
}
.example-sentence::before{content:"“";position:absolute;left:13px;top:6px;font-family:Georgia,serif;font-size:30px;opacity:.4}
.char-detail-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:17px}
.char-pager{display:flex;align-items:center;gap:7px}
.char-pager span{font-family:var(--font-pinyin);font-size:11px;color:var(--muted)}

/* ---------- 笔顺 ---------- */
.stroke-layout{display:grid;grid-template-columns:230px minmax(0,1fr) 268px;gap:18px;align-items:start}
.stroke-picker{padding:18px;border:1px solid var(--line);border-radius:22px;background:var(--card);position:sticky;top:96px}
.stroke-picker h3{margin:0 0 5px;font-size:14px;font-family:var(--font-hanzi)}
.stroke-picker p{margin:0 0 13px;font-size:10.5px;color:var(--muted)}
.stroke-char-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;max-height:calc(100vh - 290px);overflow:auto;padding-right:3px;scrollbar-width:thin}
.stroke-char{
  aspect-ratio:1;border:1px solid var(--line);border-radius:9px;background:var(--card-soft);
  font-family:var(--font-hanzi);font-size:22px;cursor:pointer;transition:.16s;display:grid;place-items:center;
}
.stroke-char:hover{border-color:var(--green);background:var(--green-soft);transform:translateY(-1px)}
.stroke-char.active{background:var(--green);border-color:var(--green);color:#fff;box-shadow:0 4px 10px rgba(77,124,98,.2)}
.stroke-picker-tip{margin-top:14px;padding:10px 11px;border-radius:10px;background:var(--gold-soft);font-size:10.5px;line-height:1.6;color:#74561d}
.stroke-stage{
  padding:22px;border:1px solid var(--line);border-radius:24px;background:var(--card);
  display:flex;flex-direction:column;align-items:center;min-height:520px;
}
.stroke-stage-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.stroke-stage-head h3{margin:0;font-size:15px;font-family:var(--font-hanzi)}
.stroke-stage-head p{margin:2px 0 0;font-size:10.5px;color:var(--muted)}
.stroke-counter{font-family:var(--font-pinyin);font-size:12px;color:var(--muted)}
.stroke-counter b{color:var(--coral-deep);font-size:16px}
.canvas-wrap{
  position:relative;width:min(400px,100%);aspect-ratio:1;border:1.5px solid #d6b98d;border-radius:14px;
  background:#fffdf8;overflow:hidden;box-shadow:0 10px 24px rgba(130,103,62,.09),inset 0 0 0 6px #fffaf0;
  touch-action:none;user-select:none;
}
.canvas-wrap::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:1;
  background:
    linear-gradient(90deg,transparent calc(50% - .5px),rgba(213,122,93,.32) calc(50% - .5px),rgba(213,122,93,.32) calc(50% + .5px),transparent calc(50% + .5px)),
    linear-gradient(0deg,transparent calc(50% - .5px),rgba(213,122,93,.32) calc(50% - .5px),rgba(213,122,93,.32) calc(50% + .5px),transparent calc(50% + .5px));
}
.canvas-wrap::after{
  content:"";position:absolute;inset:7.5%;border:1px dashed rgba(113,142,112,.35);border-radius:4px;pointer-events:none;z-index:1;
}
#strokeCanvas,#traceCanvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none}
#strokeCanvas{z-index:0}
#traceCanvas{z-index:2;cursor:crosshair}
.canvas-tip{
  position:absolute;left:50%;bottom:10px;transform:translateX(-50%);z-index:3;
  padding:5px 11px;border-radius:999px;background:rgba(47,58,51,.74);color:#fff;
  font-size:10px;white-space:nowrap;opacity:0;transition:.2s;pointer-events:none;
}
.canvas-tip.show{opacity:1}
.stroke-hint{
  width:100%;margin-top:16px;padding:12px 14px;border-radius:12px;background:var(--card-soft);
  border:1px solid var(--line);font-size:11.5px;line-height:1.6;color:var(--muted);text-align:center;
}
.stroke-hint b{color:var(--ink)}
.stroke-controls{display:flex;gap:7px;flex-wrap:wrap;justify-content:center;margin-top:14px;width:100%}
.stroke-controls .btn{min-height:40px;padding:0 14px;font-size:12px}
.stroke-aside{display:flex;flex-direction:column;gap:14px;position:sticky;top:96px}
.stroke-name-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.stroke-name{
  display:inline-flex;align-items:center;gap:5px;padding:5px 8px;border-radius:8px;background:var(--card-soft);
  border:1px solid var(--line);font-size:11px;color:var(--muted);transition:.18s;
}
.stroke-name i{font-family:var(--font-pinyin);font-size:9px;font-style:normal;opacity:.6}
.stroke-name.past{background:var(--green-soft);border-color:rgba(109,151,121,.28);color:var(--green-deep)}
.stroke-name.active{background:var(--coral-soft);border-color:var(--coral);color:var(--coral-deep);font-weight:700}
.stroke-rule-card{padding:18px;border:1px solid var(--line);border-radius:20px;background:var(--card)}
.stroke-rule-card h3{margin:0 0 8px;font-size:13.5px;font-family:var(--font-hanzi)}
.stroke-rule-card p{margin:0;font-size:11px;line-height:1.7;color:var(--muted)}
.stroke-score{display:flex;gap:14px;margin-top:12px}
.stroke-score b{display:block;font-family:var(--font-pinyin);font-size:20px;color:var(--green-deep)}
.stroke-score span{font-size:10px;color:var(--muted)}

/* ---------- 游戏 ---------- */
.game-hub{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.game-entry{
  position:relative;overflow:hidden;display:flex;gap:16px;align-items:center;padding:22px;
  border:1px solid var(--line);border-radius:22px;background:var(--card);cursor:pointer;text-align:left;
  transition:.22s var(--ease);box-shadow:var(--shadow-sm);
}
.game-entry:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.game-entry-icon{width:54px;height:54px;flex:0 0 auto;border-radius:16px;display:grid;place-items:center;background:var(--g-soft,var(--green-soft));color:var(--g-color,var(--green));font-size:26px}
.game-entry h3{margin:0 0 4px;font-size:16px;font-family:var(--font-hanzi)}
.game-entry p{margin:0;color:var(--muted);font-size:11.5px;line-height:1.6}
.game-entry .tag{margin-top:8px}
.game-entry.selected{border-color:var(--g-color,var(--green));box-shadow:0 0 0 3px var(--g-soft,var(--green-soft))}
.game-stage{margin-top:18px;border:1px solid var(--line);border-radius:28px;background:rgba(255,253,247,.8);padding:24px;min-height:360px}
.game-stage-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.game-stage-head h3{margin:0;font-size:17px;font-family:var(--font-hanzi)}
.game-stage-head p{margin:3px 0 0;font-size:11.5px;color:var(--muted)}
.game-scorebar{display:flex;align-items:center;gap:12px;font-size:11.5px;color:var(--muted)}
.game-scorebar b{color:var(--ink);font-family:var(--font-pinyin);font-size:16px}
.radical-game{display:flex;flex-direction:column;align-items:center;padding:10px 0 0}
.radical-equation{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.radical-tile{
  width:84px;height:84px;border-radius:20px;border:1.5px solid var(--line-strong);background:var(--card);
  display:grid;place-items:center;font-family:var(--font-hanzi);font-size:40px;box-shadow:var(--shadow-sm);
}
.radical-tile.fixed{background:var(--green-soft);border-color:rgba(109,151,121,.4);color:var(--green-deep)}
.radical-slot{
  width:84px;height:84px;border-radius:20px;border:2px dashed var(--line-strong);background:rgba(255,255,255,.4);
  display:grid;place-items:center;font-family:var(--font-hanzi);font-size:40px;color:var(--muted);transition:.2s;
}
.radical-slot.over{border-color:var(--coral);background:var(--coral-soft);transform:scale(1.04)}
.radical-slot.filled{border-style:solid;border-color:var(--green);background:var(--green-soft);color:var(--green-deep)}
.radical-plus{font-family:var(--font-pinyin);font-size:24px;color:var(--muted)}
.radical-options{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:28px}
.radical-option{
  width:70px;height:70px;border-radius:16px;border:1.5px solid var(--line);background:var(--card);
  font-family:var(--font-hanzi);font-size:32px;cursor:grab;transition:.18s;box-shadow:var(--shadow-sm);
}
.radical-option:hover{transform:translateY(-3px);border-color:var(--line-strong)}
.radical-option.used{opacity:.3;pointer-events:none}
.radical-option.selected{border-color:var(--coral);box-shadow:0 0 0 3px var(--coral-soft)}
.radical-feedback{margin-top:20px;min-height:45px;font-size:13px;color:var(--muted);text-align:center;line-height:1.7}
.radical-feedback.good{color:var(--green-deep)}
.radical-feedback.bad{color:var(--coral-deep)}
.context-sentence{
  max-width:620px;margin:12px auto 0;padding:18px 22px;border-radius:16px;background:var(--card-soft);
  border:1px dashed var(--line-strong);font-family:var(--font-hanzi);font-size:22px;line-height:1.9;text-align:center;
}
.context-sentence .blank{display:inline-block;min-width:44px;border-bottom:2px solid var(--coral);color:var(--coral-deep);font-weight:700}
.poly-card{max-width:580px;margin:0 auto;text-align:center}
.poly-char{font-family:var(--font-hanzi);font-size:82px;line-height:1.15;color:var(--ink)}
.poly-word{display:inline-flex;gap:3px;margin-top:8px;font-family:var(--font-hanzi);font-size:26px;color:var(--ink-soft)}
.poly-word .focus{color:var(--coral-deep);border-bottom:3px solid var(--coral)}
.poly-hint{font-size:12px;color:var(--muted);margin-top:8px}
.poly-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-width:420px;margin:20px auto 0}
.poly-option{
  min-height:52px;border:1px solid var(--line);border-radius:13px;background:var(--card);
  font-family:var(--font-pinyin);font-size:18px;cursor:pointer;transition:.18s;
}
.poly-option:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.poly-option.right{background:var(--green-soft);border-color:var(--green);color:var(--green-deep)}
.poly-option.wrong{background:var(--coral-soft);border-color:var(--coral);color:var(--coral-deep)}

/* ---------- 听写 ---------- */
.dictation-setup{max-width:880px;margin:0 auto}
.setup-card{padding:28px;border:1px solid var(--line);border-radius:28px;background:rgba(255,253,247,.82);box-shadow:var(--shadow-sm)}
.setup-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:22px}
.setup-block h3{margin:0 0 8px;font-size:13px;font-family:var(--font-hanzi)}
.setup-block p{margin:0 0 10px;font-size:10.5px;color:var(--muted);line-height:1.5}
.choice-row{display:flex;gap:6px;flex-wrap:wrap}
.choice-pill{
  min-height:36px;padding:0 13px;border:1px solid var(--line);border-radius:10px;background:var(--card-soft);
  font-size:12px;color:var(--muted);cursor:pointer;transition:.16s;
}
.choice-pill:hover{border-color:var(--line-strong);color:var(--ink)}
.choice-pill.active{border-color:var(--green);background:var(--green-soft);color:var(--green-deep);font-weight:700}
.setup-summary{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:24px;padding:15px 17px;
  border-radius:15px;background:var(--card-soft);border:1px solid var(--line);font-size:12px;color:var(--muted);
}
.setup-summary b{color:var(--ink)}
.setup-summary .sep{width:1px;height:18px;background:var(--line)}
.dictation-stage{max-width:760px;margin:0 auto}
.dictation-card{padding:30px;border:1px solid var(--line);border-radius:30px;background:var(--card);box-shadow:var(--shadow);text-align:center}
.dictation-status{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:20px;font-size:11.5px;color:var(--muted)}
.dictation-status b{color:var(--ink);font-family:var(--font-pinyin);font-size:15px}
.dictation-prompt{font-size:14px;color:var(--ink-soft);line-height:1.7;margin-bottom:16px;min-height:24px}
.dictation-prompt b{color:var(--coral-deep);font-family:var(--font-hanzi);font-size:19px}
.dictation-input-wrap{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:10px}
.tianzi-input{
  width:120px;height:120px;border:1.5px solid #d6b98d;border-radius:12px;
  background:
    linear-gradient(90deg,transparent calc(50% - .5px),rgba(213,122,93,.3) calc(50% - .5px),rgba(213,122,93,.3) calc(50% + .5px),transparent calc(50% + .5px)),
    linear-gradient(0deg,transparent calc(50% - .5px),rgba(213,122,93,.3) calc(50% - .5px),rgba(213,122,93,.3) calc(50% + .5px),transparent calc(50% + .5px)),
    #fffdf8;
  font-family:var(--font-hanzi);font-size:64px;text-align:center;outline:none;color:var(--ink);
  caret-color:var(--coral);transition:.18s;box-shadow:inset 0 0 0 6px #fffaf0;
}
.tianzi-input:focus{border-color:var(--coral);box-shadow:inset 0 0 0 6px #fffaf0,0 0 0 4px rgba(223,111,82,.12)}
.tianzi-input.correct{border-color:var(--green);background-color:#f3f9ef}
.tianzi-input.wrong{border-color:var(--coral);background-color:#fff2ec;animation:shake .35s}
.dictation-actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:8px}
.handwriting-wrap{position:relative;width:220px;aspect-ratio:1;border:1px solid var(--line-strong);border-radius:12px;background:#fffdf8;touch-action:none;overflow:hidden}
.handwriting-wrap::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(90deg,transparent calc(50% - .5px),rgba(213,122,93,.3) calc(50% - .5px),rgba(213,122,93,.3) calc(50% + .5px),transparent calc(50% + .5px)),
    linear-gradient(0deg,transparent calc(50% - .5px),rgba(213,122,93,.3) calc(50% - .5px),rgba(213,122,93,.3) calc(50% + .5px),transparent calc(50% + .5px));
}
#handwritingCanvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none}
.dictation-reveal{margin-top:16px;font-size:13px;line-height:1.8;color:var(--muted);min-height:26px}
.dictation-reveal b{font-family:var(--font-hanzi);font-size:24px;color:var(--green-deep)}
.dictation-report{padding:30px;border:1px solid var(--line);border-radius:28px;background:var(--card);box-shadow:var(--shadow);max-width:800px;margin:0 auto}
.report-head{text-align:center;padding-bottom:22px;border-bottom:1px dashed var(--line)}
.report-emoji{font-size:46px;line-height:1;margin-bottom:8px}
.report-head h2{margin:0 0 5px;font-family:var(--font-hanzi);font-size:26px}
.report-head p{margin:0;color:var(--muted);font-size:12px}
.report-score{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0}
.report-stat{padding:15px;border-radius:14px;background:var(--card-soft);border:1px solid var(--line);text-align:center}
.report-stat b{display:block;font-family:var(--font-pinyin);font-size:27px;color:var(--green-deep);line-height:1.1}
.report-stat span{display:block;font-size:10.5px;color:var(--muted);margin-top:4px}
.report-list h3{margin:0 0 9px;font-size:13px;font-family:var(--font-hanzi)}
.report-word{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:12px}
.report-word:last-child{border-bottom:0}
.report-word .char{font-family:var(--font-hanzi);font-size:27px;color:var(--coral-deep)}
.report-word .py{font-family:var(--font-pinyin);font-size:12px;color:var(--muted);flex:1}
.report-word .status{font-size:10.5px;color:var(--muted)}
.report-actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:24px}

/* ---------- 错题本 ---------- */
.wrong-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}
.wrong-stat{
  padding:18px 20px;border:1px solid var(--line);border-radius:18px;background:var(--card);
  display:flex;align-items:center;gap:13px;box-shadow:var(--shadow-sm);
}
.wrong-stat-icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--w-soft,var(--coral-soft));color:var(--w-color,var(--coral-deep));font-size:19px}
.wrong-stat b{display:block;font-family:var(--font-pinyin);font-size:24px;line-height:1;color:var(--ink)}
.wrong-stat span{display:block;font-size:10.5px;color:var(--muted);margin-top:3px}
.wrong-filter{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px;align-items:center}
.wrong-filter .spacer{flex:1}
.wrong-list{display:flex;flex-direction:column;gap:9px}
.wrong-item{
  display:flex;align-items:center;gap:14px;padding:15px 18px;border:1px solid var(--line);
  border-radius:16px;background:var(--card);transition:.18s;box-shadow:0 2px 0 rgba(76,63,45,.025);
}
.wrong-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-sm)}
.wrong-type{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-family:var(--font-hanzi);font-size:18px;background:var(--cat-soft,var(--green-soft));color:var(--cat-color,var(--green-deep));
}
.wrong-main{flex:1;min-width:0}
.wrong-main b{display:block;font-size:13px;margin-bottom:3px}
.wrong-main p{margin:0;font-size:11.5px;color:var(--muted);line-height:1.5}
.wrong-main p .wrong-ans{color:var(--coral-deep);text-decoration:line-through;text-decoration-thickness:1px}
.wrong-main p .right-ans{color:var(--green-deep);font-weight:700}
.wrong-status{flex:0 0 auto;text-align:right;font-size:10px;color:var(--muted);line-height:1.7}
.wrong-status .due{display:inline-block;padding:3px 8px;border-radius:999px;background:var(--gold-soft);color:#7a5714;font-size:10px}
.wrong-status .due.ready{background:var(--coral-soft);color:var(--coral-deep);font-weight:700}
.empty-state{padding:54px 20px;text-align:center;border:1px dashed var(--line-strong);border-radius:24px;background:rgba(255,253,247,.5)}
.empty-state .emoji{font-size:46px;margin-bottom:12px}
.empty-state h3{margin:0 0 6px;font-family:var(--font-hanzi);font-size:18px}
.empty-state p{margin:0;color:var(--muted);font-size:12px;line-height:1.7}
.schedule-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:16px}
.schedule-cell{padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--card-soft);text-align:center}
.schedule-cell b{display:block;font-family:var(--font-pinyin);font-size:19px;color:var(--ink)}
.schedule-cell span{display:block;font-size:9.5px;color:var(--muted);margin-top:2px}
.review-card{max-width:640px;margin:0 auto;text-align:center}
.review-prompt{font-family:var(--font-hanzi);font-size:30px;line-height:1.4;margin:10px 0 6px}
.review-pinyin{font-family:var(--font-pinyin);font-size:44px;line-height:1.2;color:var(--ink)}
.review-sub{font-size:12.5px;color:var(--muted);line-height:1.6}
.review-options{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:24px}
.review-option{
  min-height:72px;border:1.5px solid var(--line);border-radius:14px;background:var(--card);
  font-family:var(--font-hanzi);font-size:30px;cursor:pointer;transition:.18s;
}
.review-option:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.review-option.right{background:var(--green-soft);border-color:var(--green);color:var(--green-deep)}
.review-option.wrong{background:var(--coral-soft);border-color:var(--coral);color:var(--coral-deep)}
.review-progress{height:6px;border-radius:6px;background:var(--paper-deep);overflow:hidden;margin-bottom:22px}
.review-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--green),#8fba8c);border-radius:6px;transition:width .4s}

/* ---------- 弹窗 / toast / 庆祝 ---------- */
.modal-root{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:24px}
.modal-root[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(43,48,41,.38);backdrop-filter:blur(5px);animation:fadeIn .2s ease}
.modal-card{
  position:relative;z-index:1;width:min(100%,680px);max-height:min(88vh,880px);overflow:auto;
  background:var(--card);border:1px solid var(--line);border-radius:28px;
  padding:28px;box-shadow:0 40px 90px rgba(37,41,35,.24);animation:modalIn .28s var(--ease);
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes modalIn{from{opacity:0;transform:translateY(18px) scale(.97)}to{opacity:1;transform:none}}
.modal-close{
  position:absolute;right:16px;top:16px;z-index:2;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);background:var(--card);display:grid;place-items:center;cursor:pointer;color:var(--muted);
}
.modal-close:hover{background:var(--paper-deep);color:var(--ink)}
.modal-head{padding-right:40px;margin-bottom:18px}
.modal-head h2{margin:0 0 4px;font-family:var(--font-hanzi);font-size:23px}
.modal-head p{margin:0;font-size:12px;color:var(--muted);line-height:1.6}
.voice-modal-card{max-width:660px}
.voice-switch-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:15px 17px;border:1px solid var(--line);border-radius:16px;background:var(--card-soft);
}
.voice-switch-row b{display:block;font-size:13px;margin-bottom:3px}
.voice-switch-row small{display:block;font-size:10.5px;color:var(--muted);line-height:1.5}
.switch{
  position:relative;flex:0 0 auto;width:62px;height:32px;border-radius:999px;border:1px solid var(--line-strong);
  background:#e6dcc8;cursor:pointer;transition:.2s;padding:0;
}
.switch span{
  position:absolute;left:3px;top:3px;width:24px;height:24px;border-radius:50%;background:#fff;
  box-shadow:0 2px 5px rgba(62,54,40,.16);transition:.2s var(--ease);
}
.switch em{position:absolute;right:8px;top:8px;font-size:9px;font-style:normal;color:var(--muted);transition:.2s}
.switch.on{background:var(--green);border-color:var(--green)}
.switch.on span{left:33px}
.switch.on em{right:auto;left:9px;color:#fff}
.voice-current-line{display:flex;align-items:center;gap:8px;margin:15px 0 8px;font-size:11px;color:var(--muted);flex-wrap:wrap}
.voice-current-line b{color:var(--ink);font-size:12px}
.voice-list{display:flex;flex-direction:column;gap:7px;max-height:310px;overflow:auto;padding:3px 4px 3px 0;scrollbar-width:thin}
.voice-row{
  display:flex;align-items:center;gap:7px;padding:4px;border:1px solid var(--line);border-radius:14px;
  background:var(--card);transition:.18s;flex:0 0 auto;
}
.voice-row:hover{border-color:var(--line-strong)}
.voice-row.selected{border-color:rgba(77,124,98,.55);background:#f4f9f1;box-shadow:0 0 0 3px rgba(77,124,98,.06)}
.voice-row.auto{background:var(--gold-soft);border-color:#ead6a9}
.voice-row.auto.selected{background:#f7eccb;border-color:var(--gold)}
.voice-pick{
  flex:1;min-width:0;display:flex;align-items:center;gap:10px;border:0;background:none;
  padding:8px 8px;text-align:left;cursor:pointer;color:var(--ink);
}
.voice-radio{
  width:16px;height:16px;flex:0 0 auto;border-radius:50%;border:1.5px solid var(--line-strong);
  background:#fff;position:relative;
}
.voice-row.selected .voice-radio{border-color:var(--green);background:var(--green)}
.voice-row.selected .voice-radio::after{
  content:"";position:absolute;left:4px;top:4px;width:6px;height:6px;border-radius:50%;background:#fff;
}
.voice-info{flex:1;min-width:0}
.voice-info b{display:block;font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.4}
.voice-info small{display:block;font-size:10px;color:var(--muted);line-height:1.4;margin-top:1px}
.voice-preview{width:34px;height:34px;flex:0 0 auto;box-shadow:none;background:transparent;border-color:transparent}
.voice-preview:hover{background:var(--paper-deep)}
.voice-warning,.voice-tip{
  margin-top:14px;padding:12px 14px;border-radius:12px;font-size:11px;line-height:1.65;
  background:var(--gold-soft);color:#72541a;
}
.voice-warning{border:1px solid #ead6a9;background:#fbf0d2}
.voice-warning b{font-size:11.5px}
.voice-tip{background:var(--green-soft);color:var(--green-deep);border:1px solid rgba(109,151,121,.22)}
.voice-tip b{font-size:11.5px}
.modal-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:22px;flex-wrap:wrap}
.confirm-illustration{font-size:40px;margin-bottom:8px}
.toast{
  position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);z-index:140;
  max-width:min(86vw,480px);padding:12px 18px;border-radius:999px;
  background:rgba(47,58,51,.94);color:#fffaf0;font-size:12.5px;line-height:1.5;
  box-shadow:0 12px 30px rgba(30,34,29,.24);opacity:0;pointer-events:none;transition:.25s var(--ease);
  text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.success{background:rgba(53,91,71,.96)}
.toast.warn{background:rgba(162,78,56,.96)}
.celebrate-layer{position:fixed;inset:0;z-index:130;pointer-events:none;overflow:hidden}
.celebrate-burst{position:absolute;left:50%;top:42%;width:1px;height:1px}
.confetti{
  position:absolute;width:8px;height:12px;border-radius:2px;opacity:0;
  animation:confettiFall 1.8s ease-out forwards;
}
@keyframes confettiFall{
  0%{opacity:1;transform:translate(0,0) rotate(0)}
  100%{opacity:0;transform:translate(var(--dx),var(--dy)) rotate(var(--rot))}
}
.celebrate-card{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%) scale(.92);
  width:min(86vw,390px);padding:28px;border-radius:28px;background:var(--card);
  border:1px solid var(--line);box-shadow:0 30px 80px rgba(37,41,35,.25);text-align:center;
  opacity:0;animation:celebrateIn .35s var(--ease) .05s forwards;
}
@keyframes celebrateIn{to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
.celebrate-card .big{font-size:48px;line-height:1;margin-bottom:10px}
.celebrate-card h2{margin:0 0 7px;font-family:var(--font-hanzi);font-size:28px;color:var(--coral-deep)}
.celebrate-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
.celebrate-card .stars{font-size:22px;letter-spacing:7px;color:var(--gold);margin-top:15px}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .game-hub{grid-template-columns:repeat(2,minmax(0,1fr))}
  .module-card.feature .feature-art{display:none}
  .module-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .py-grid{grid-template-columns:repeat(7,minmax(0,1fr))}
  .stroke-layout{grid-template-columns:200px minmax(0,1fr)}
  .stroke-aside{grid-column:1/-1;position:static;flex-direction:row;flex-wrap:wrap}
  .stroke-aside > *{flex:1;min-width:220px}
  .library-layout{grid-template-columns:minmax(0,1fr) 260px}
}
@media (max-width:960px){
  .site-shell{padding:0 20px}
  .hero{grid-template-columns:minmax(0,1fr) 300px;padding:32px;min-height:330px}
  .hero h1{font-size:clamp(34px,5vw,50px)}
  .mascot{transform:scale(.9);transform-origin:bottom center}
  .home-columns{grid-template-columns:1fr}
  .module-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .blend-layout,.rule-layout{grid-template-columns:1fr}
  .blend-side,.rule-practice{position:static}
  .library-layout{grid-template-columns:1fr}
  .library-aside{position:static;display:grid;grid-template-columns:repeat(2,1fr)}
  .stroke-layout{grid-template-columns:170px minmax(0,1fr)}
  .stroke-stage{padding:16px}
  .tone-layout{grid-template-columns:210px minmax(0,1fr)}
  .py-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
  .char-detail{grid-template-columns:210px minmax(0,1fr);gap:20px}
  .char-big{font-size:108px}
}
@media (max-width:760px){
  .site-shell{padding:0 14px}
  .site-header{min-height:70px;padding:10px 0}
  .brand-seal{width:42px;height:42px;border-radius:13px;font-size:25px}
  .brand-copy strong{font-size:17px}
  .brand-copy small{display:none}
  .tool-btn{width:38px;height:38px;padding:0;justify-content:center}
  .tool-label{display:none}
  .star-pill{height:38px;padding:0 11px;font-size:14px}
  .app-main{padding-top:4px;padding-bottom:40px}
  .hero{grid-template-columns:1fr;padding:27px 24px 22px;min-height:auto;border-radius:28px;gap:4px}
  .hero h1{font-size:clamp(34px,9vw,46px)}
  .hero-lede{font-size:13.5px;margin-bottom:20px}
  .hero-mini{gap:12px;margin-top:18px}
  .hero-mini i{height:24px}
  .hero-mini b{font-size:16px}
  .mascot-stage{min-height:238px;margin-top:8px}
  .mascot{width:200px;height:225px}
  .mascot-body{left:25px;width:150px;height:154px}
  .mascot-leaf.one{left:87px;top:32px}
  .mascot-leaf.two{left:47px;top:47px}
  .mascot-stem{left:99px;top:46px}
  .mascot-face{inset:55px 25px auto}
  .mascot-arm.left{left:10px;bottom:65px}
  .mascot-arm.right{right:10px;bottom:53px}
  .mascot-foot.left{left:43px}.mascot-foot.right{right:43px}
  .mascot-halo{width:210px;height:210px}
  .mascot-bubble{right:0;top:8px;max-width:110px;font-size:10.5px;padding:8px 10px}
  .hero-floater{display:none}
  .grade-bar{padding:11px 13px;gap:9px}
  .grade-bar .segmented{gap:3px}
  .grade-bar .seg{min-width:44px;height:32px;padding:0 9px;font-size:11.5px}
  .grade-note{margin-left:0;width:100%;padding-top:3px}
  .section-head{margin-top:26px}
  .section-head h2{font-size:18px}
  .module-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .module-card{min-height:166px;padding:17px 15px 14px;border-radius:20px}
  .module-icon{width:40px;height:40px;border-radius:12px;margin-bottom:14px}
  .module-icon svg{width:21px;height:21px}
  .module-card h3{font-size:15.5px}
  .module-card p{font-size:11px}
  .module-index{display:none}
  .module-meta{font-size:10px;padding-top:11px}
  .home-columns{gap:12px;margin-top:12px}
  .mascot-card,.trail-card{padding:19px;border-radius:22px}
  .mascot-goals{margin-top:13px}
  .mascot-char-row{margin-top:12px}
  .page-head{flex-wrap:wrap;gap:11px;margin-bottom:18px}
  .back-btn{height:38px;padding:0 13px 0 11px;font-size:12px}
  .page-side{width:100%;padding-top:0}
  .page-title{font-size:26px}
  .page-sub{font-size:12px}
  .panel{padding:18px;border-radius:20px}
  .py-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
  .py-card{min-height:96px;padding:12px 4px 10px;border-radius:14px}
  .py-card .py-mark{font-size:26px}
  .py-card .py-read{font-size:10.5px}
  .py-detail{grid-template-columns:66px minmax(0,1fr);padding:16px;gap:13px}
  .py-detail-mark{width:66px;height:66px;font-size:32px;border-radius:18px}
  .py-detail-actions{grid-column:1/-1;justify-content:flex-start}
  .tone-layout{grid-template-columns:1fr;gap:12px}
  .tone-base-card,.tone-main{padding:18px;border-radius:18px}
  .tone-bases{grid-template-columns:repeat(6,1fr)}
  .tone-base{height:46px;font-size:21px}
  .tone-grid{grid-template-columns:repeat(2,1fr)}
  .rule-layout{gap:12px}
  .rule-card,.rule-practice{padding:19px;border-radius:18px}
  .confusion-grid{grid-template-columns:1fr;gap:10px}
  .confusion-card{padding:18px}
  .confusion-glyph{min-width:48px;height:54px;padding:0 7px;font-size:23px}
  .confusion-vs{font-size:9px}
  .confusion-top{padding-right:56px;min-height:58px}
  .confusion-top > .tag{font-size:9px;height:22px;padding:0 7px}
  .confusion-pair.four{display:grid;grid-template-columns:repeat(2,64px);gap:7px 14px;justify-items:center}
  .confusion-pair.four .confusion-vs{display:none}
  .confusion-pair.four .confusion-glyph{min-width:56px;height:56px}
  .blend-layout{gap:12px}
  .pick-panel,.blend-side{padding:16px;border-radius:18px}
  .blend-result{padding:22px 14px;min-height:200px}
  .blend-part{font-size:30px}
  .blend-answer{font-size:46px}
  .question-card{padding:25px 16px 22px;border-radius:22px}
  .options-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .option-card{min-height:82px;border-radius:14px;font-size:24px}
  .option-card .opt-main{font-size:29px}
  .quiz-actions{gap:7px}
  .filter-bar{padding:11px 12px;gap:8px}
  .search-wrap{margin-left:0;width:100%}
  .char-grid{grid-template-columns:repeat(auto-fill,minmax(94px,1fr));gap:8px}
  .char-card{padding:12px 7px 9px;border-radius:14px}
  .char-card .char-main{font-size:34px}
  .char-card .char-py{font-size:11.5px}
  .char-card .char-words{font-size:9px}
  .library-aside{grid-template-columns:1fr}
  .char-detail{grid-template-columns:1fr}
  .char-poster{padding:16px}
  .char-big{font-size:90px}
  .meta-grid{grid-template-columns:repeat(3,1fr)}
  .stroke-layout{grid-template-columns:1fr;gap:12px}
  .stroke-picker{position:static;padding:14px}
  .stroke-char-grid{grid-template-columns:repeat(7,1fr)}
  .stroke-stage{min-height:0;padding:14px;border-radius:18px}
  .stroke-aside{display:flex;flex-direction:column}
  .stroke-aside > *{min-width:0}
  .stroke-controls .btn{flex:1;min-width:86px}
  .game-hub{grid-template-columns:1fr}
  .game-entry{padding:17px}
  .game-stage{padding:16px;border-radius:20px}
  .setup-card,.dictation-card,.dictation-report,.wrong-stat{padding:18px;border-radius:20px}
  .setup-grid{grid-template-columns:1fr;gap:16px}
  .dictation-input-wrap{flex-direction:column}
  .wrong-summary{grid-template-columns:1fr;gap:8px}
  .wrong-stat{padding:13px 15px}
  .wrong-item{align-items:flex-start;padding:13px 14px}
  .wrong-status{display:none}
  .report-score{grid-template-columns:repeat(3,1fr);gap:6px}
  .report-stat b{font-size:22px}
  .modal-root{padding:12px}
  .modal-card{padding:21px;border-radius:22px;max-height:92vh}
  .stroke-char-grid{grid-template-columns:repeat(8,1fr)}
  .canvas-wrap{width:min(360px,100%)}
  .context-sentence{font-size:18px;padding:14px}
  .poly-char{font-size:66px}
}
@media (max-width:430px){
  .brand-copy strong{font-size:15.5px}
  .star-pill{gap:4px;padding:0 9px}
  .hero{padding:23px 18px 16px}
  .hero-actions .btn{flex:1}
  .hero-actions .btn-soft{display:none}
  .module-card{min-height:153px;padding:14px 12px 12px}
  .module-card h3{font-size:14px}
  .module-card p{font-size:10px;line-height:1.55}
  .module-icon{width:36px;height:36px;margin-bottom:10px}
  .py-grid{grid-template-columns:repeat(4,1fr)}
  .py-card{min-height:89px}
  .char-grid{grid-template-columns:repeat(3,1fr)}
  .char-card .char-main{font-size:31px}
  .stroke-char-grid{grid-template-columns:repeat(6,1fr)}
  .meta-grid{grid-template-columns:repeat(2,1fr)}
  .options-grid{gap:7px}
  .option-card{min-height:76px;font-size:22px}
  .tone-grid{gap:7px}
  .tone-card .tone-mark{font-size:36px}
  .subtab{padding:8px 10px;font-size:12px}
  .footer{gap:7px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}