/* ===== 首页 ===== */
.hero{
  border-radius:var(--r-lg);padding:22px 24px;margin-bottom:18px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(120deg,#7c5cff,#b07bff 55%,#ff8fc0);box-shadow:var(--sh-hi);
}
.hero:after{content:"";position:absolute;right:-40px;top:-50px;width:190px;height:190px;border-radius:50%;background:rgba(255,255,255,.13)}
.hero h2{font-size:24px;font-weight:800;margin-bottom:6px}
.hero p{font-size:13.5px;opacity:.92}
.hero-stats{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap;position:relative;z-index:2}
.hs{background:rgba(255,255,255,.2);border-radius:16px;padding:9px 15px;backdrop-filter:blur(4px)}
.hs b{display:block;font-size:20px;font-weight:800}
.hs span{font-size:11.5px;opacity:.9}

.mod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:14px}
.mod-card{
  border-radius:22px;padding:16px;color:#fff;text-align:left;position:relative;overflow:hidden;
  min-height:118px;display:flex;flex-direction:column;justify-content:space-between;transition:.2s;
}
.mod-card:hover{transform:translateY(-5px) rotate(-1deg);box-shadow:var(--sh-hi)}
.mod-card .mc-ico{font-size:30px}
.mod-card .mc-name{font-size:16.5px;font-weight:800;margin-top:6px}
.mod-card .mc-desc{font-size:11.5px;opacity:.92;margin-top:2px}
.mod-card:after{content:"";position:absolute;right:-22px;bottom:-26px;width:96px;height:96px;border-radius:50%;background:rgba(255,255,255,.14)}
.mc-p{background:linear-gradient(140deg,#7c5cff,#a084ff)}
.mc-k{background:linear-gradient(140deg,#ff6fa5,#ffa0c4)}
.mc-t{background:linear-gradient(140deg,#2ec9b8,#5fe0cf)}
.mc-o{background:linear-gradient(140deg,#ff9145,#ffb673)}
.mc-b{background:linear-gradient(140deg,#4aa8ff,#7fc4ff)}
.mc-g{background:linear-gradient(140deg,#57cc7d,#87e0a5)}
.mc-y{background:linear-gradient(140deg,#ffb454,#ffd07a)}

.today-list{display:flex;flex-direction:column;gap:9px}
.tl-item{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:16px;background:#faf8ff;border:2px solid var(--line)}
.tl-item.done{background:#f1fbf4;border-color:#cdeed9}
.tl-ico{font-size:20px;width:26px;text-align:center}
.tl-name{flex:1;font-size:14.5px;font-weight:700}
.tl-item.done .tl-name{text-decoration:line-through;color:var(--ink-3)}

/* ===== 古诗 ===== */
.poem{
  background:linear-gradient(160deg,#fffaf0,#fff);border:3px solid #ffe6b8;border-radius:22px;
  padding:22px;text-align:center;position:relative;
}
.poem-title{font-size:23px;font-weight:800;letter-spacing:2px;color:#7a4a12}
.poem-author{font-size:13px;color:var(--ink-3);margin:6px 0 16px}
.poem-line{font-size:20px;line-height:2.1;letter-spacing:3px;color:#4a3a20;font-weight:600}
.poem-line .py{display:block;font-size:11.5px;color:#c09a55;letter-spacing:1px;line-height:1.3;font-weight:500}
.poem-mean{margin-top:16px;padding:13px;border-radius:15px;background:#fff6e2;font-size:13.5px;color:#7a5a26;text-align:left;line-height:1.75}
.poem-hide .poem-line{filter:blur(6px);transition:.25s}
.poem-hide .poem-line:hover{filter:none}

/* ===== 生字卡 ===== */
.hz-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:11px}
.hz{
  background:#fff;border:2px solid var(--line);border-radius:18px;padding:10px 6px;text-align:center;transition:.18s;position:relative;
}
.hz:hover{border-color:var(--purple);transform:translateY(-4px);box-shadow:var(--sh)}
.hz .hz-py{font-size:11.5px;color:var(--purple);font-weight:700;height:15px}
.hz .hz-c{
  font-size:38px;font-weight:700;line-height:1.15;color:#3a3357;font-family:"Kaiti SC","KaiTi","STKaiti",serif;
  background-image:linear-gradient(#f0ecff 1px,transparent 1px),linear-gradient(90deg,#f0ecff 1px,transparent 1px);
  background-size:50% 50%;background-position:center;
}
.hz .hz-w{font-size:10.5px;color:var(--ink-3);margin-top:3px;line-height:1.35}
.hz.known{background:#f1fbf4;border-color:#a9e5c0}
.hz.known:after{content:"✓";position:absolute;top:4px;right:6px;color:var(--green);font-weight:900;font-size:13px}

/* ===== 成语 ===== */
.idiom-top{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.idiom-word{font-size:28px;font-weight:800;letter-spacing:4px;color:var(--purple)}
.idiom-py{font-size:13px;color:var(--ink-3);letter-spacing:1px}
.idiom-story{font-size:15px;line-height:2;color:#4b4468;text-indent:2em}
.idiom-note{margin-top:12px;padding:12px 14px;border-radius:15px;background:#f3fbff;border-left:5px solid var(--blue);font-size:13.5px;line-height:1.8}

/* ===== 拼音 ===== */
.py-group{margin-bottom:14px}
.py-group h4{font-size:14px;font-weight:800;color:var(--ink-2);margin-bottom:8px}
.py-cells{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:7px}
.py-cell{
  background:#fff;border:2px solid var(--line);border-radius:13px;padding:8px 4px;text-align:center;transition:.15s;
}
.py-cell:hover{background:#f3eeff;border-color:var(--purple);transform:scale(1.06)}
.py-cell b{display:block;font-size:19px;color:var(--purple);font-weight:800}
.py-cell span{font-size:10.5px;color:var(--ink-3)}
.syll{font-size:34px;font-weight:800;color:var(--purple);letter-spacing:3px;text-align:center;padding:14px}

/* ===== 题目通用 ===== */
.quiz-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.quiz-q{
  font-size:28px;font-weight:800;text-align:center;padding:20px;border-radius:20px;
  background:linear-gradient(160deg,#f6f2ff,#fff);border:2px dashed #d9cdff;letter-spacing:2px;
}
.quiz-q small{display:block;font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:0;margin-top:6px}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:11px;margin-top:16px}
.opt{
  padding:16px 12px;border-radius:18px;background:#fff;border:3px solid var(--line);
  font-size:20px;font-weight:800;transition:.16s;
}
.opt:hover{border-color:var(--purple);transform:translateY(-3px)}
.opt.right{background:#e7f9ee;border-color:var(--green);color:#28914f;animation:shake-ok .4s}
.opt.wrong{background:#ffecec;border-color:var(--red);color:var(--red);animation:shake-no .4s}
@keyframes shake-ok{0%,100%{transform:scale(1)}50%{transform:scale(1.09)}}
@keyframes shake-no{0%,100%{transform:translateX(0)}25%{transform:translateX(-7px)}75%{transform:translateX(7px)}}
.quiz-bar{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--ink-2)}
.quiz-bar .bar{flex:1}

/* 计算键盘 */
.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;max-width:280px;margin:16px auto 0}
.key{
  padding:15px 0;border-radius:16px;background:#fff;border:2px solid var(--line);
  font-size:22px;font-weight:800;color:var(--ink);transition:.12s;
}
.key:hover{background:#f3eeff;border-color:var(--purple)}
.key:active{transform:scale(.93)}
.key.act{background:linear-gradient(120deg,var(--purple),#9b7bff);color:#fff;border-color:transparent}
.key.del{background:#fff0f0;color:var(--red);border-color:#ffd7d7}
.ans-box{
  min-height:62px;border-radius:18px;border:3px dashed var(--purple);background:#faf7ff;
  display:grid;place-items:center;font-size:32px;font-weight:800;color:var(--purple);margin-top:14px;
}

/* 十格阵 / 数感 */
.tenframe{display:grid;grid-template-columns:repeat(5,1fr);gap:5px;max-width:210px}
.tf{aspect-ratio:1;border:2px solid #d9cdff;border-radius:9px;background:#fff;display:grid;place-items:center;font-size:17px}
.tf.f{background:#ffe1ec;border-color:var(--pink)}
.tf.f2{background:#dff3ff;border-color:var(--blue)}
.dots{display:flex;flex-wrap:wrap;gap:5px;max-width:260px}
.dot{width:22px;height:22px;border-radius:50%;background:linear-gradient(140deg,var(--pink),#ffa8c8)}
.dot.b{background:linear-gradient(140deg,var(--blue),#8ec9ff)}

/* 方法讲解 */
.method{border-radius:18px;padding:14px 16px;background:#fff;border:2px solid var(--line);margin-bottom:11px}
.method h4{font-size:15px;font-weight:800;color:var(--purple);margin-bottom:7px}
.method p{font-size:13.5px;line-height:1.85;color:var(--ink-2)}
.method .fml{font-size:17px;font-weight:800;color:var(--orange);letter-spacing:1px;margin-top:6px;display:block}

/* 错题本 */
.wrong-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:16px;background:#fff;border:2px solid #ffe0e0;margin-bottom:9px}
.wrong-q{flex:1;font-size:16px;font-weight:700}
.wrong-meta{font-size:11.5px;color:var(--ink-3);margin-top:3px;font-weight:500}

/* ===== 英语 ===== */
.en-sent{
  padding:14px 16px;border-radius:18px;background:#fff;border:2px solid var(--line);margin-bottom:10px;
  display:flex;align-items:center;gap:12px;transition:.15s;
}
.en-sent:hover{border-color:var(--blue);transform:translateX(4px)}
.en-sent .num{width:28px;height:28px;border-radius:50%;background:linear-gradient(140deg,var(--blue),#8ec9ff);color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px;flex:0 0 auto}
.en-sent .txt{flex:1;min-width:0}
.en-sent .en{font-size:17px;font-weight:700;color:#1b4a75;letter-spacing:.3px}
.en-sent .zh{font-size:12.5px;color:var(--ink-3);margin-top:3px}
.word-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:11px}
.word-card{
  background:#fff;border:2px solid var(--line);border-radius:20px;padding:13px 8px;text-align:center;transition:.18s;
}
.word-card:hover{transform:translateY(-5px);border-color:var(--blue);box-shadow:var(--sh)}
.word-card .wc-emo{font-size:38px;line-height:1}
.word-card .wc-en{font-size:15.5px;font-weight:800;color:#1b4a75;margin-top:5px}
.word-card .wc-zh{font-size:11.5px;color:var(--ink-3)}

/* ===== 运动 ===== */
.sp-item{display:flex;align-items:center;gap:13px;padding:13px 15px;border-radius:18px;background:#fff;border:2px solid var(--line);margin-bottom:10px;transition:.15s}
.sp-item.done{background:#f1fbf4;border-color:#bfeacf}
.sp-emo{font-size:28px;width:38px;text-align:center}
.sp-name{font-size:15.5px;font-weight:800}
.sp-desc{font-size:12px;color:var(--ink-3);margin-top:2px}
.timer-big{font-size:56px;font-weight:800;letter-spacing:3px;color:var(--purple);text-align:center;font-variant-numeric:tabular-nums}
.ring{display:grid;place-items:center;position:relative;width:180px;height:180px;margin:0 auto}
.ring svg{transform:rotate(-90deg)}
.ring .rt{position:absolute;text-align:center}
.ring .rt b{font-size:32px;font-weight:800;display:block}
.ring .rt span{font-size:12px;color:var(--ink-3)}

/* 控笔画布 */
.pen-wrap{position:relative;border-radius:20px;overflow:hidden;border:3px solid var(--line);background:#fff;touch-action:none}
.pen-wrap canvas{display:block;width:100%;height:auto;touch-action:none}
.pen-tools{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;align-items:center}
.color-dot{width:30px;height:30px;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 2px var(--line);transition:.15s}
.color-dot.on{box-shadow:0 0 0 3px var(--purple);transform:scale(1.14)}