/* ===================================================================
   宝贝学习乐园 · 彩虹糖果色主题
   配色：粉 / 蓝 / 黄 / 绿 / 紫 + 橙
   =================================================================== */

:root{
  --pink:#FF7FA8;      --pink-l:#FFE3EC;    --pink-d:#E8547F;
  --blue:#4FB8F5;      --blue-l:#DDF2FF;    --blue-d:#2196D6;
  --yellow:#FFC53D;    --yellow-l:#FFF3D1;  --yellow-d:#E0A100;
  --green:#5FD08A;     --green-l:#DEF7E8;   --green-d:#31A863;
  --purple:#B57BEE;    --purple-l:#F0E4FF;  --purple-d:#8E4FD1;
  --orange:#FF9A4D;    --orange-l:#FFE9D9;

  --ink:#3E3357;        /* 主文字 */
  --ink-2:#6E6488;      /* 次文字 */
  --ink-3:#9C93B4;      /* 弱文字 */
  --card:#FFFFFF;
  --line:#EFE8F7;
  --bg:#FFF7FB;

  --r-lg:28px; --r-md:20px; --r-sm:14px;
  --sh:0 6px 0 rgba(62,51,87,.07), 0 10px 24px rgba(62,51,87,.09);
  --sh-sm:0 4px 0 rgba(62,51,87,.06), 0 6px 14px rgba(62,51,87,.07);
  --tap:48px;           /* 最小点击尺寸 */
  --sidebar-w:236px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",-apple-system,"Segoe UI",system-ui,sans-serif;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  margin:0;font-family:var(--font);color:var(--ink);
  background:
    radial-gradient(1200px 600px at 12% -8%, #FFE9F2 0%, transparent 60%),
    radial-gradient(1000px 560px at 92% 4%, #E4F4FF 0%, transparent 58%),
    radial-gradient(900px 620px at 60% 108%, #EAFBF1 0%, transparent 60%),
    var(--bg);
  background-attachment:fixed;
  overflow-x:hidden;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4,p{margin:0}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#E4DAF2;border-radius:10px}
::-webkit-scrollbar-track{background:transparent}

/* ---------- 背景漂浮泡泡 ---------- */
.bg-bubbles{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.bg-bubbles span{position:absolute;border-radius:50%;opacity:.42;filter:blur(1px);animation:float 14s ease-in-out infinite}
.bg-bubbles span:nth-child(1){width:120px;height:120px;background:#FFD3E3;left:4%;top:12%}
.bg-bubbles span:nth-child(2){width:78px;height:78px;background:#CDEBFF;left:88%;top:22%;animation-delay:-3s}
.bg-bubbles span:nth-child(3){width:150px;height:150px;background:#FFF0C7;left:76%;top:70%;animation-delay:-6s}
.bg-bubbles span:nth-child(4){width:62px;height:62px;background:#D8F7E3;left:14%;top:76%;animation-delay:-9s}
.bg-bubbles span:nth-child(5){width:96px;height:96px;background:#EADBFF;left:44%;top:88%;animation-delay:-2s}
.bg-bubbles span:nth-child(6){width:54px;height:54px;background:#FFE0CC;left:30%;top:4%;animation-delay:-11s}
@keyframes float{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-26px) scale(1.07)}}

/* ---------- 布局 ---------- */
.app{position:relative;z-index:1;display:flex;min-height:100vh}

/* ---------- 侧边栏 ---------- */
.sidebar{
  width:var(--sidebar-w);flex:0 0 var(--sidebar-w);
  background:linear-gradient(180deg,#FFFFFF 0%,#FFF9FD 100%);
  border-right:3px solid var(--line);
  padding:20px 14px;display:flex;flex-direction:column;gap:14px;
  position:sticky;top:0;height:100vh;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 6px 14px;border-bottom:3px dashed var(--line)}
.brand-logo{font-size:34px;line-height:1;animation:spin-slow 6s ease-in-out infinite}
@keyframes spin-slow{0%,100%{transform:rotate(-8deg) scale(1)}50%{transform:rotate(8deg) scale(1.12)}}
.brand-title{font-size:19px;font-weight:900;letter-spacing:.5px;
  background:linear-gradient(90deg,var(--pink),var(--purple),var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.brand-sub{font-size:11px;color:var(--ink-3);margin-top:2px}

.side-nav{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.side-item{
  display:flex;align-items:center;gap:11px;min-height:var(--tap);
  padding:10px 14px;border-radius:18px;font-size:15.5px;font-weight:800;color:var(--ink-2);
  transition:transform .16s, background .16s, color .16s;
}
.side-item:hover{background:var(--pink-l);color:var(--pink-d);transform:translateX(3px)}
.side-item.is-active{background:linear-gradient(100deg,var(--pink),#FF9FBC);color:#fff;box-shadow:0 5px 0 var(--pink-d)}
.side-item.is-active .side-ico{transform:scale(1.16)}
.side-ico{font-size:21px;transition:transform .2s}

.side-star{margin-top:auto;display:flex;align-items:center;gap:12px;background:var(--yellow-l);border:3px solid #FFE7A8;border-radius:var(--r-md);padding:12px 14px}
.side-star-ico{font-size:28px;animation:twinkle 2.2s ease-in-out infinite}
@keyframes twinkle{0%,100%{transform:scale(1) rotate(0)}50%{transform:scale(1.18) rotate(12deg)}}
.side-star-num{font-size:24px;font-weight:900;color:var(--yellow-d);line-height:1}
.side-star-lbl{font-size:11.5px;color:#B98A16;font-weight:700}
.side-reset{min-height:44px;border-radius:16px;font-size:13px;font-weight:800;color:var(--ink-3);border:2px dashed var(--line)}
.side-reset:hover{color:var(--pink-d);border-color:var(--pink)}

/* ---------- 主区域 ---------- */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;
  padding:12px 22px;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);
  border-bottom:3px solid var(--line);
}
.topbar-title{font-size:20px;font-weight:900;flex:1;min-width:0;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.menu-btn{display:none}
.star-chip{
  display:flex;align-items:center;gap:6px;min-height:44px;padding:0 16px;border-radius:22px;
  background:linear-gradient(100deg,var(--yellow),#FFD96E);color:#7A5400;font-weight:900;font-size:17px;
  box-shadow:0 4px 0 #E9AE12;
}
.star-chip-ico{font-size:18px}
.views{flex:1;padding:22px;max-width:1180px;width:100%;margin:0 auto}
.view{display:none;animation:fadeUp .34s ease both}
.view.is-active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- 通用组件 ---------- */
.panel{background:var(--card);border:3px solid var(--line);border-radius:var(--r-lg);padding:18px;margin-bottom:18px;box-shadow:var(--sh)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.panel-head h3{font-size:17px;font-weight:900}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  min-height:var(--tap);min-width:var(--tap);padding:0 20px;border-radius:18px;
  font-size:16px;font-weight:900;color:#fff;transition:transform .12s, filter .15s;
  box-shadow:0 5px 0 rgba(62,51,87,.16);
}
.btn:active{transform:translateY(4px);box-shadow:0 1px 0 rgba(62,51,87,.16)}
.btn:hover{filter:brightness(1.05)}
.btn[disabled]{opacity:.5;pointer-events:none}
.btn-pink{background:linear-gradient(180deg,#FF93B8,var(--pink));box-shadow:0 5px 0 var(--pink-d)}
.btn-blue{background:linear-gradient(180deg,#79CDFB,var(--blue));box-shadow:0 5px 0 var(--blue-d)}
.btn-yellow{background:linear-gradient(180deg,#FFD96E,var(--yellow));box-shadow:0 5px 0 var(--yellow-d);color:#7A5400}
.btn-green{background:linear-gradient(180deg,#83E0A6,var(--green));box-shadow:0 5px 0 var(--green-d)}
.btn-purple{background:linear-gradient(180deg,#C79BF5,var(--purple));box-shadow:0 5px 0 var(--purple-d)}
.btn-orange{background:linear-gradient(180deg,#FFB173,var(--orange));box-shadow:0 5px 0 #E87A29}
.btn-ghost{background:#fff;color:var(--ink-2);border:3px solid var(--line);box-shadow:0 5px 0 var(--line)}
.btn-mini{min-height:44px;padding:0 14px;font-size:14px;border-radius:15px}
.btn-big{min-height:60px;padding:0 30px;font-size:19px;border-radius:22px}
.icon-btn{min-width:var(--tap);min-height:var(--tap);border-radius:16px;background:#fff;border:3px solid var(--line);font-size:20px;font-weight:900;color:var(--ink-2);box-shadow:0 4px 0 var(--line)}
.icon-btn:active{transform:translateY(3px);box-shadow:none}

.chip{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 15px;border-radius:22px;background:#fff;border:3px solid var(--line);font-size:14.5px;font-weight:800;color:var(--ink-2)}

/* 分段控制 */
.seg{display:flex;gap:8px;background:#fff;border:3px solid var(--line);border-radius:22px;padding:6px;margin-bottom:18px;overflow-x:auto}
.seg-btn{flex:1;min-width:104px;min-height:44px;border-radius:16px;font-size:15px;font-weight:900;color:var(--ink-2);white-space:nowrap}
.seg-btn.is-active{background:linear-gradient(100deg,var(--purple),#D2AEF8);color:#fff;box-shadow:0 4px 0 var(--purple-d)}

/* 首页 hero */
.hero{display:flex;align-items:center;gap:18px;background:linear-gradient(110deg,#FFE6F0,#E9F5FF 55%,#E9FBF0);border:3px solid #fff;border-radius:var(--r-lg);padding:22px;margin-bottom:18px;box-shadow:var(--sh)}
.hero-emoji{font-size:60px;animation:bounce 2.4s ease-in-out infinite}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.hero-text h2{font-size:24px;font-weight:900;margin-bottom:6px}
.hero-text p{color:var(--ink-2);font-size:15px;font-weight:600}

.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:14px;margin-bottom:18px}
.mod-card{
  position:relative;text-align:left;padding:18px;border-radius:var(--r-lg);border:4px solid #fff;
  box-shadow:var(--sh);min-height:132px;display:flex;flex-direction:column;gap:6px;
  transition:transform .18s;overflow:hidden;
}
.mod-card:active{transform:scale(.97)}
.mod-card:hover{transform:translateY(-4px)}
.mod-card .mc-ico{font-size:38px;line-height:1}
.mod-card .mc-name{font-size:18px;font-weight:900;color:var(--ink)}
.mod-card .mc-desc{font-size:12.5px;font-weight:700;color:rgba(62,51,87,.62);line-height:1.5}
.mod-card .mc-go{position:absolute;right:14px;bottom:12px;font-size:12px;font-weight:900;color:rgba(62,51,87,.45)}
.mc-pink{background:linear-gradient(150deg,#FFE0EC,#FFC9DD)}
.mc-blue{background:linear-gradient(150deg,#DDF1FF,#BFE4FF)}
.mc-yellow{background:linear-gradient(150deg,#FFF3D3,#FFE7A6)}
.mc-green{background:linear-gradient(150deg,#DFF8E9,#C1EED5)}
.mc-purple{background:linear-gradient(150deg,#EFE3FF,#DEC8FC)}
.mc-orange{background:linear-gradient(150deg,#FFE8D8,#FFD3B6)}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
.stat{background:#FBF8FF;border:3px solid var(--line);border-radius:var(--r-md);padding:14px;text-align:center}
.stat .sv{font-size:26px;font-weight:900;line-height:1.15}
.stat .sl{font-size:12.5px;font-weight:800;color:var(--ink-3);margin-top:4px}

/* ---------- 字母 ---------- */
.letter-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:12px}
.letter-card{
  background:#fff;border:4px solid var(--line);border-radius:var(--r-md);padding:12px 8px;min-height:126px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  transition:transform .16s, border-color .16s;box-shadow:var(--sh-sm);
}
.letter-card:hover{transform:translateY(-5px) scale(1.03)}
.letter-card:active{transform:scale(.95)}
.lc-char{font-size:36px;font-weight:900;line-height:1;font-family:"Comic Sans MS","Baloo 2",var(--font)}
.lc-word{font-size:12.5px;font-weight:800;color:var(--ink-2)}
.lc-cn{font-size:11.5px;color:var(--ink-3);font-weight:700}
.lc-emoji{font-size:26px;line-height:1.1}
.letter-card.playing{border-color:var(--yellow);animation:pop .5s ease}
@keyframes pop{0%{transform:scale(1)}45%{transform:scale(1.14)}100%{transform:scale(1)}}

.match-board{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center}
.match-col{display:flex;flex-direction:column;gap:10px}
.match-tile{
  min-height:var(--tap);border-radius:var(--r-md);border:4px solid var(--line);background:#fff;
  font-size:26px;font-weight:900;display:flex;align-items:center;justify-content:center;
  font-family:"Comic Sans MS","Baloo 2",var(--font);transition:transform .15s;
}
.match-tile:hover{transform:scale(1.06)}
.match-tile.sel{border-color:var(--blue);background:var(--blue-l);transform:scale(1.07)}
.match-tile.done{border-color:var(--green);background:var(--green-l);color:var(--green-d);opacity:.62;pointer-events:none}
.match-tile.wrong{animation:shake .42s}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-9px)}40%{transform:translateX(9px)}60%{transform:translateX(-6px)}80%{transform:translateX(6px)}}
.match-line{font-size:26px;color:var(--ink-3)}

/* ---------- 古诗 ---------- */
.poem-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:12px}
.poem-card{
  background:#fff;border:4px solid var(--line);border-radius:var(--r-md);padding:16px 12px;min-height:var(--tap);
  text-align:left;display:flex;flex-direction:column;gap:5px;box-shadow:var(--sh-sm);transition:transform .16s;
}
.poem-card:hover{transform:translateY(-5px)}
.poem-card.is-cur{border-color:var(--pink);background:var(--pink-l)}
.pc-emoji{font-size:30px}
.pc-title{font-size:18px;font-weight:900}
.pc-author{font-size:12px;color:var(--ink-3);font-weight:700}
.pc-learned{font-size:12px;font-weight:900;color:var(--green-d)}

.poem-detail{background:linear-gradient(165deg,#FFFDF6,#FFF4F8);border:4px solid #FFE7C9;border-radius:var(--r-lg);padding:22px 18px;text-align:center}
.pd-title{font-size:27px;font-weight:900;margin-bottom:4px}
.pd-author{font-size:14px;color:var(--ink-3);font-weight:800;margin-bottom:18px}
.pd-lines{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.pd-line{
  display:flex;flex-wrap:wrap;justify-content:center;gap:2px 4px;padding:10px 8px;border-radius:16px;
  background:rgba(255,255,255,.75);transition:background .2s;min-height:44px;align-items:center;
}
.pd-line:hover{background:#fff}
.pd-line.speaking{background:var(--yellow-l)}
ruby{margin:0 3px}
ruby .hz{font-size:30px;font-weight:800;line-height:1.3}
ruby rt{font-size:12.5px;color:var(--pink-d);font-weight:800;letter-spacing:0}
.pd-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.pd-mean{margin-top:16px;background:#fff;border:3px dashed var(--line);border-radius:var(--r-md);padding:14px;font-size:14.5px;color:var(--ink-2);font-weight:700;line-height:1.7;text-align:left}

/* ---------- 数字 ---------- */
.num-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:12px}
.num-card{
  background:#fff;border:4px solid var(--line);border-radius:var(--r-md);padding:12px 8px;min-height:var(--tap);
  display:flex;flex-direction:column;align-items:center;gap:5px;box-shadow:var(--sh-sm);transition:transform .16s;
}
.num-card:hover{transform:translateY(-5px) scale(1.04)}
.num-card:active{transform:scale(.95)}
.nc-num{font-size:32px;font-weight:900;line-height:1}
.nc-cn{font-size:13px;font-weight:800;color:var(--ink-2)}
.nc-dots{display:flex;flex-wrap:wrap;gap:3px;justify-content:center;max-width:76px}
.nc-dots i{width:8px;height:8px;border-radius:50%;background:var(--blue);display:block}

.quiz-box{background:#fff;border:4px solid var(--line);border-radius:var(--r-lg);padding:22px 18px;text-align:center;box-shadow:var(--sh)}
.quiz-q{font-size:38px;font-weight:900;letter-spacing:2px;margin:14px 0 20px;line-height:1.35}
.quiz-emoji{font-size:34px;letter-spacing:3px;line-height:1.6;word-break:break-all;margin:6px 0 18px;min-height:48px}
.opt-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:12px;max-width:560px;margin:0 auto}
.opt{
  min-height:66px;border-radius:var(--r-md);border:4px solid var(--line);background:#fff;
  font-size:28px;font-weight:900;transition:transform .14s;box-shadow:var(--sh-sm);
  font-family:"Comic Sans MS","Baloo 2",var(--font);
}
.opt.txt{font-size:16px;font-family:var(--font);padding:10px 12px;line-height:1.4;letter-spacing:0;min-height:66px}
.opt.emoji{font-size:34px}
.opt:hover{transform:translateY(-3px) scale(1.03);border-color:var(--purple)}
.opt:active{transform:scale(.95)}
.opt.ok{border-color:var(--green);background:var(--green-l);color:var(--green-d);animation:pop .45s}
.opt.bad{border-color:var(--pink);background:var(--pink-l);color:var(--pink-d);animation:shake .42s}
.quiz-tip{font-size:16px;font-weight:900;margin:16px 0 6px;min-height:26px}
.quiz-meta{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:8px}
.progress{height:16px;background:#F2ECFA;border-radius:20px;overflow:hidden;margin:14px 0 4px;max-width:460px;margin-inline:auto}
.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--green),#9BE9BC);border-radius:20px;transition:width .4s}

/* ---------- 闯关 ---------- */
.level-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:14px}
.level-card{
  position:relative;border:4px solid #fff;border-radius:var(--r-lg);padding:16px 10px;min-height:126px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;box-shadow:var(--sh);
  transition:transform .18s;text-align:center;
}
.level-card:hover{transform:translateY(-4px)}
.level-card:active{transform:scale(.96)}
.level-card.locked{filter:grayscale(.85);opacity:.62;pointer-events:none}
.lv-no{font-size:13px;font-weight:900;opacity:.85}
.lv-ico{font-size:34px;line-height:1.1}
.lv-name{font-size:14.5px;font-weight:900}
.lv-stars{font-size:15px;letter-spacing:1px}
.lv-lock{position:absolute;top:8px;right:10px;font-size:17px}
.lv-1{background:linear-gradient(150deg,#C9F0D8,#A6E5C1)}
.lv-2{background:linear-gradient(150deg,#CFEAFF,#A9D8FF)}
.lv-3{background:linear-gradient(150deg,#FFE7B8,#FFD98A)}
.lv-4{background:linear-gradient(150deg,#FFD5E5,#FFB8D2)}
.lv-5{background:linear-gradient(150deg,#E4D8FF,#CFB8FB)}

.badge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(124px,1fr));gap:14px}
.badge{
  background:#fff;border:4px solid var(--line);border-radius:var(--r-md);padding:16px 10px;min-height:var(--tap);
  text-align:center;display:flex;flex-direction:column;align-items:center;gap:5px;box-shadow:var(--sh-sm);
}
.badge.got{border-color:var(--yellow);background:linear-gradient(165deg,#FFFBEC,#FFF3CE);animation:pop .5s ease}
.badge.lock{filter:grayscale(1);opacity:.5}
.bd-ico{font-size:36px;line-height:1}
.bd-name{font-size:13.5px;font-weight:900}
.bd-desc{font-size:11.5px;color:var(--ink-3);font-weight:700;line-height:1.45}
.badge-strip{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px}
.badge-strip .badge{flex:0 0 118px}

.adv-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.adv-qbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:12px}
.adv-qbar .chip{background:#fff}
.adv-progress{height:14px;background:#F2ECFA;border-radius:20px;overflow:hidden;max-width:520px;margin:10px auto 0}
.adv-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--orange),#FFC98A);transition:width .4s}

/* ---------- Toast / 特效 / 弹窗 ---------- */
.toast{
  position:fixed;left:50%;bottom:96px;transform:translate(-50%,26px);z-index:200;
  background:rgba(62,51,87,.94);color:#fff;font-weight:900;font-size:16px;
  padding:14px 26px;border-radius:22px;opacity:0;pointer-events:none;transition:all .3s;max-width:88vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.fx-layer{position:fixed;inset:0;pointer-events:none;z-index:150;overflow:hidden}
.fx-star{position:absolute;font-size:30px;animation:fly 1.15s ease-out forwards}
@keyframes fly{0%{opacity:1;transform:translate(0,0) scale(.6) rotate(0)}100%{opacity:0;transform:translate(var(--dx),var(--dy)) scale(1.5) rotate(var(--rot))}}
.fx-big{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);font-size:78px;animation:bigpop 1s ease-out forwards}
@keyframes bigpop{0%{opacity:0;transform:translate(-50%,-50%) scale(.2)}40%{opacity:1;transform:translate(-50%,-50%) scale(1.25)}100%{opacity:0;transform:translate(-50%,-60%) scale(1)}}

.modal-mask{position:fixed;inset:0;background:rgba(62,51,87,.42);backdrop-filter:blur(3px);z-index:300;display:none;align-items:center;justify-content:center;padding:20px}
.modal-mask.show{display:flex}
.modal{background:#fff;border:5px solid var(--yellow);border-radius:32px;padding:28px 22px;text-align:center;max-width:380px;width:100%;box-shadow:0 18px 50px rgba(62,51,87,.28);animation:pop .4s ease}
.modal-emoji{font-size:64px;line-height:1}
.modal-title{font-size:24px;font-weight:900;margin:10px 0 8px}
.modal-text{font-size:15px;color:var(--ink-2);font-weight:700;line-height:1.7;margin-bottom:18px}
.modal-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.modal .star-row{font-size:38px;letter-spacing:6px;margin:6px 0 12px}

/* ---------- 底部 Tab（移动端） ---------- */
.tabbar{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .sidebar{
    position:fixed;left:0;top:0;z-index:120;height:100vh;
    transform:translateX(-102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
    box-shadow:14px 0 40px rgba(62,51,87,.18);
  }
  .sidebar.open{transform:none}
  .menu-btn{display:inline-flex}
  .topbar{padding:10px 14px}
  .topbar-title{font-size:18px}
  .views{padding:16px 14px calc(96px + env(safe-area-inset-bottom))}
  .tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:110;
    background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
    border-top:3px solid var(--line);padding:6px 2px calc(6px + env(safe-area-inset-bottom));
  }
  .tab-item{
    flex:1;min-width:44px;min-height:52px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
    border-radius:16px;color:var(--ink-3);transition:transform .15s;
  }
  .tab-item:active{transform:scale(.9)}
  .tab-ico{font-size:21px;line-height:1}
  .tab-txt{font-size:10.5px;font-weight:900}
  .tab-item.is-active{color:var(--pink-d);background:var(--pink-l)}
  .tab-item.is-active .tab-ico{transform:scale(1.18)}
  .hero{padding:18px;gap:14px}
  .hero-emoji{font-size:48px}
  .hero-text h2{font-size:20px}
  .letter-grid{grid-template-columns:repeat(auto-fill,minmax(94px,1fr));gap:10px}
  .num-grid{grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:10px}
  ruby .hz{font-size:26px}
  .quiz-q{font-size:30px}
  .modal{border-radius:26px}
  .toast{bottom:86px}
  .match-board{grid-template-columns:1fr;gap:14px}
  .match-line{display:none}
  .match-col{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:10px}
}
@media (max-width:400px){
  .module-grid{grid-template-columns:1fr}
  .letter-grid{grid-template-columns:repeat(3,1fr)}
  .num-grid{grid-template-columns:repeat(3,1fr)}
  .tab-txt{font-size:9.5px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}