/* ============================================================
   app.css — 七年人生英语 v2.0.0 奶酪淡绿皮肤
   淡绿第一主色 · 奶酪黄点缀 · 奶油米底 · 暖棕描边 · 圆润手绘卡片
   ============================================================ */
:root{
  --cream:#fbf4e4; --cream-deep:#f6ead2; --paper:#fffdf7;
  --green:#7fc79a; --green-deep:#5fb083; --green-ink:#3d8a63; --green-soft:#dcf1e5; --green-mist:#eef8f1;
  --cheese:#f6c64b; --cheese-deep:#e9a93a; --cheese-soft:#fdeec4;
  --ink:#7c4f2c; --ink-2:#a9794f; --ink-soft:#c9a87e; --line:#ecd9b6;
  --pink:#f6b8c4; --blue:#a9d6ef; --red:#e8746b;
  --shadow:0 6px 18px rgba(124,79,44,.12); --shadow-sm:0 3px 8px rgba(124,79,44,.10);
  --r-lg:22px; --r-md:16px; --r-sm:12px;
  /* v2.3.0 统一排版/间距变量（容器边距/卡片间距/文本对齐基准） */
  --container-max:1080px; --pad-x:18px; --pad-y:24px;
  --gap-card:14px; --gap-sm:8px; --gap-lg:20px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,Arial,sans-serif;
  color:var(--ink); background:var(--cream);
  background-image:radial-gradient(rgba(127,199,154,.10) 2px,transparent 2px);
  background-size:26px 26px; line-height:1.6; overflow-x:hidden;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select{font-family:inherit}
b,strong{font-weight:800}
::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-thumb{background:var(--ink-soft);border-radius:8px}
.hide{display:none !important}
.muted{color:var(--ink-2)} .small{font-size:12.5px}
.app{min-height:100vh;display:flex}

/* ============ 侧边导航（平板/电脑） ============ */
.sidebar{
  width:232px;flex:0 0 232px;background:linear-gradient(180deg,var(--green-soft),var(--cream));
  border-right:3px solid var(--line);padding:18px 14px;display:flex;flex-direction:column;gap:6px;
  position:sticky;top:0;height:100vh;overflow:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 14px}
.brand .logo{width:46px;height:46px;border-radius:14px;background:var(--green);display:grid;place-items:center;font-size:24px;box-shadow:var(--shadow-sm);border:2px solid var(--green-deep)}
.brand b{font-size:16px;display:block;line-height:1.25}.brand span{font-size:10.5px;color:var(--ink-2)}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:16px;font-size:15px;font-weight:700;
  color:var(--ink);text-align:left;border:2px solid transparent;transition:.15s;
}
.nav-item .ico{font-size:20px}
.nav-item:hover{background:#fff;border-color:var(--line)}
.nav-item.active{background:var(--green);color:#fff;border-color:var(--green-deep);box-shadow:var(--shadow-sm)}
.nav-item.nav-home.active{background:var(--cheese);border-color:var(--cheese-deep);color:#5b3d14}
.side-foot{margin-top:auto;font-size:11px;color:var(--ink-2);background:var(--paper);border:2px dashed var(--line);border-radius:14px;padding:10px}

/* ============ 主区 ============ */
main.main{flex:1;min-width:0;display:flex;flex-direction:column;min-height:100vh}
.topbar{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:10px;
  padding:12px 20px;background:rgba(251,244,228,.92);backdrop-filter:blur(6px);border-bottom:2px solid var(--line);
}
.topbar .ttl{font-size:19px;font-weight:800;white-space:nowrap}
.topbar .sp{flex:1}
.pill{display:inline-flex;align-items:center;gap:4px;background:var(--paper);border:2px solid var(--line);border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:700;white-space:nowrap}
.pill.gold{background:var(--cheese-soft);border-color:var(--cheese-deep);color:#8a5a16}
.pill.green{background:var(--green-soft);border-color:var(--green-deep);color:var(--green-ink)}
.pill.gray{background:#f3ead9;border-color:var(--line);color:var(--ink-2)}
.coin{display:inline-flex;align-items:center;gap:4px;font-weight:800;font-size:13.5px;background:var(--paper);border:2px solid var(--line);border-radius:999px;padding:3px 11px}
.coin .c-ico{font-size:15px}
.content{padding:var(--pad-y) var(--pad-x);max-width:var(--container-max);width:100%;margin:0 auto;padding-bottom:110px}

/* ============ 卡片 / 通用 ============ */
.card{background:var(--paper);border:2.5px solid var(--line);border-radius:var(--r-lg);padding:18px;box-shadow:var(--shadow-sm);margin-bottom:16px;position:relative}
.card h3{margin:0 0 12px;font-size:16.5px;display:flex;align-items:center;gap:8px}
.card h4{margin:14px 0 8px;font-size:14.5px}
.grid{display:grid;gap:12px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.kv{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--green-mist);border:1.5px solid var(--green-soft);border-radius:12px;padding:9px 12px;font-size:13.5px;min-width:0}
.kv span{color:var(--ink-2)}.kv b{text-align:right}
.notice{background:var(--green-soft);border:2px dashed var(--green-deep);color:var(--green-ink);border-radius:14px;padding:10px 14px;font-size:13px;margin:10px 0}
.empty{text-align:center;color:var(--ink-2);padding:30px 16px;font-size:14px;background:var(--cream);border-radius:14px;border:2px dashed var(--line)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;background:var(--green);color:#fff;font-weight:800;
  border:2.5px solid var(--green-deep);border-radius:14px;padding:11px 18px;font-size:14.5px;box-shadow:0 4px 0 var(--green-deep);transition:transform .06s,box-shadow .06s;user-select:none}
.btn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--green-deep)}
.btn.ghost{background:var(--paper);color:var(--ink);border-color:var(--line);box-shadow:0 4px 0 var(--ink-soft)}
.btn.ghost:active{box-shadow:0 1px 0 var(--ink-soft)}
.btn.cheese{background:var(--cheese);color:#5b3d14;border-color:var(--cheese-deep);box-shadow:0 4px 0 var(--cheese-deep)}
.btn.cheese:active{box-shadow:0 1px 0 var(--cheese-deep)}
.btn.pink{background:#f6b8c4;color:#7a3342;border-color:#e88fa0;box-shadow:0 4px 0 #e88fa0}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:11px;box-shadow:0 3px 0 var(--green-deep)}
.btn.ghost.sm{box-shadow:0 3px 0 var(--ink-soft)}
.btn.block{width:100%;margin-top:8px}
.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}
/* 带小耳朵的主按钮（奶酪风） */
.btn-ear{position:relative;border-radius:18px;padding:14px 22px;font-size:16px}
.btn-ear::before,.btn-ear::after{content:"";position:absolute;top:-9px;width:16px;height:16px;border-radius:50%;background:inherit;border:2.5px solid var(--green-deep)}
.btn-ear::before{left:16px}.btn-ear::after{right:16px}
.btn-ear.cheese::before,.btn-ear.cheese::after{border-color:var(--cheese-deep)}

.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:8px}
.progress{height:12px;background:var(--cream-deep);border-radius:999px;overflow:hidden;border:1.5px solid var(--line)}
.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--green),var(--green-deep));border-radius:999px;transition:width .4s}
.progress.cheese i{background:linear-gradient(90deg,var(--cheese),var(--cheese-deep))}
.fbtn{background:var(--paper);border:2px solid var(--line);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700;color:var(--ink)}
.fbtn.on{background:var(--green);color:#fff;border-color:var(--green-deep)}
.fbtn.fbtn-sm{padding:4px 10px;font-size:12px}
.filterbar{display:flex;gap:8px;align-items:center;margin:10px 0;flex-wrap:wrap}
.search{flex:1;min-width:160px;background:var(--paper);border:2.5px solid var(--line);border-radius:14px;padding:10px 14px;font-size:14px;color:var(--ink);outline:none}
.search:focus{border-color:var(--green-deep)}
.segwrap{display:flex;align-items:center;gap:10px;margin:10px 0;flex-wrap:wrap}
.seglab{font-size:13px;font-weight:700;color:var(--ink-2);white-space:nowrap}
.seg{display:inline-flex;background:var(--cream-deep);border:2px solid var(--line);border-radius:12px;overflow:hidden;flex-wrap:wrap}
.seg button{padding:7px 12px;font-size:12.5px;font-weight:700;color:var(--ink-2)}
.seg button.on{background:var(--green);color:#fff}
input.rate{flex:1;min-width:140px;accent-color:var(--green-deep);height:22px}
input.rate::-webkit-slider-runnable-track{height:8px;border-radius:999px;background:var(--cream-deep);border:1.5px solid var(--line)}
input.rate::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--green);border:2.5px solid var(--green-deep);margin-top:-8px;box-shadow:0 2px 0 var(--green-deep)}
input.rate::-moz-range-track{height:8px;border-radius:999px;background:var(--cream-deep);border:1.5px solid var(--line)}
input.rate::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--green);border:2.5px solid var(--green-deep)}

/* ============ 底栏 5 Tab（手机） ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;align-items:flex-end;
  background:var(--paper);border-top:3px solid var(--line);padding:6px 6px calc(6px + env(safe-area-inset-bottom));
}
.tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;font-weight:700;color:var(--ink-2);padding:4px 0}
.tabbar .ti{font-size:21px;line-height:1}
.tabbar button.on{color:var(--green-ink)}
.tabbar button.tab-home{position:relative}
.tabbar .home-dot{width:54px;height:54px;margin-top:-26px;border-radius:50%;background:var(--cheese);border:3px solid var(--cheese-deep);
  display:grid;place-items:center;font-size:28px;box-shadow:var(--shadow);overflow:hidden}
.tabbar .home-dot svg{width:48px;height:48px}
.tabbar button.tab-home .lb{margin-top:1px}

/* ============ 引导：自定义女主名 ============ */
.onboard{position:fixed;inset:0;z-index:100;background:rgba(124,79,44,.45);display:flex;align-items:center;justify-content:center;padding:20px}
.ob-card{background:var(--paper);border:3px solid var(--line);border-radius:26px;max-width:460px;width:100%;padding:26px;box-shadow:var(--shadow);text-align:center;max-height:92vh;overflow:auto}
.ob-card h1{margin:0 0 6px;font-size:22px;color:var(--green-ink)}
.ob-monkey{width:150px;height:160px;margin:0 auto 4px}
.nameinput{display:flex;gap:8px;margin:16px 0 8px}
.nameinput input{flex:1;font-size:18px;text-align:center;text-transform:capitalize;letter-spacing:.5px}
.namegrid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:12px 0}
.ncard{background:var(--green-mist);border:2px solid var(--green-soft);border-radius:13px;padding:9px 4px;font-weight:800;cursor:pointer;font-size:14px}
.ncard small{display:block;font-weight:400;font-size:10px;color:var(--ink-2)}
.ncard.sel{background:var(--cheese-soft);border-color:var(--cheese-deep);color:#8a5a16}
.lockwarn{font-size:12px;color:var(--ink-2);margin:6px 0 12px}

/* ============ 今日词书 ============ */
.book-hero{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.book-cover{width:118px;height:150px;border-radius:16px;background:linear-gradient(160deg,var(--green),var(--green-deep));
  border:3px solid var(--green-ink);box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;text-align:center;padding:10px;flex:0 0 auto}
.book-cover .bc-em{font-size:38px}.book-cover b{font-size:15px;margin-top:6px;line-height:1.35}.book-cover span{font-size:10.5px;opacity:.94;line-height:1.5}
.plan-row{display:flex;gap:12px;margin:14px 0;flex-wrap:wrap}
.plan-box{flex:1;min-width:130px;background:var(--cream);border:2px solid var(--line);border-radius:16px;padding:12px 14px}
.plan-box .n{font-size:26px;font-weight:900;color:var(--green-ink);line-height:1}
.plan-box .lb{font-size:12.5px;color:var(--ink-2);margin-top:4px}
.plan-box.review .n{color:#b07a1e}
.start-row{display:flex;gap:10px;flex-wrap:wrap}
.pocket{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
.pocket .pk{background:var(--green-mist);border:2px solid var(--green-soft);border-radius:15px;padding:14px 8px;text-align:center;font-weight:700;font-size:13.5px}
.pocket .pk .e{font-size:26px;display:block;margin-bottom:5px}
.modules{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:11px}
.mod{position:relative;background:var(--cream);border:2.5px solid var(--line);border-radius:17px;padding:14px;cursor:pointer;transition:.12s;overflow:hidden}
.mod:hover{border-color:var(--green-deep);transform:translateY(-2px)}
.mod .mico{font-size:26px}.mod b{display:block;margin:5px 0 2px;font-size:14.5px}.mod span{font-size:11.5px;color:var(--ink-2)}
.mod .tick{position:absolute;top:8px;right:8px;width:24px;height:24px;border-radius:50%;background:var(--cream-deep);color:transparent;display:grid;place-items:center;font-size:13px;border:2px solid var(--line)}
.mod.done{background:var(--green-soft);border-color:var(--green-deep)}
.mod.done .tick{background:var(--green-deep);color:#fff;border-color:var(--green-ink)}

/* ============ 全屏学习/阅读器 ============ */
.screen{position:fixed;inset:0;z-index:80;background:var(--cream);display:flex;flex-direction:column;animation:slideUp .22s ease}
@keyframes slideUp{from{transform:translateY(16px);opacity:0}to{transform:none;opacity:1}}
.screen-head{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:2.5px solid var(--line);background:var(--paper);position:relative}
.screen-head .x{width:38px;height:38px;border-radius:12px;background:var(--cream-deep);font-size:16px;flex:0 0 auto;display:grid;place-items:center;line-height:1;padding:0;border:2px solid var(--line);color:var(--ink)}
.screen-head .x:active{transform:scale(.9)}
.screen-head .st{flex:1;min-width:0}
.screen-head .st b{display:block;font-size:15.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.screen-head .st span{font-size:12px;color:var(--ink-2)}
.lrnprog{height:10px;background:var(--cream-deep);border-radius:999px;overflow:hidden;flex:1;min-width:60px}
.lrnprog i{display:block;height:100%;background:linear-gradient(90deg,var(--cheese),var(--cheese-deep));transition:width .3s}
.screen-body{flex:1;overflow:auto;padding:18px 16px 20px;-webkit-overflow-scrolling:touch}
.lrn-wrap{max-width:620px;margin:0 auto}

/* 语境初识 / 单词大卡 */
.intro-art{height:190px;border-radius:20px;border:3px solid var(--line);background:linear-gradient(180deg,#eafaf0,var(--cream));display:grid;place-items:center;font-size:92px;margin-bottom:14px;position:relative;overflow:hidden}
.intro-art .art-emoji{filter:drop-shadow(0 4px 6px rgba(0,0,0,.12))}
.intro-art.intro-img{padding:0;background:#fff}
.intro-art.intro-img img{width:100%;height:100%;object-fit:cover;display:block;border-radius:17px}
.bigword{text-align:center;font-size:46px;font-weight:900;letter-spacing:.5px;color:var(--ink);word-break:break-word}
.ipa-line{display:flex;align-items:center;justify-content:center;gap:12px;margin:8px 0 4px;flex-wrap:wrap}
.ipa{color:var(--green-ink);font-weight:700;font-size:15px;font-family:"Lucida Sans Unicode",Arial,sans-serif}
.spk{width:42px;height:42px;border-radius:50%;background:var(--cheese);border:2.5px solid var(--cheese-deep);font-size:18px;display:inline-grid;place-items:center;box-shadow:0 3px 0 var(--cheese-deep)}
.spk.sm{width:34px;height:34px;font-size:14px;box-shadow:0 2px 0 var(--cheese-deep)}
.spk.green{background:var(--green);border-color:var(--green-deep);box-shadow:0 3px 0 var(--green-deep);color:#fff}
.times{position:absolute;top:14px;right:16px;background:var(--cheese-soft);border:2px solid var(--cheese-deep);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800;color:#8a5a16}
.times i{display:inline-block;width:9px;height:9px;border-radius:50%;background:#fff;border:1.5px solid var(--cheese-deep);margin-left:3px}
.times i.on{background:var(--cheese-deep)}
.excard{background:var(--paper);border:2.5px solid var(--line);border-radius:18px;padding:16px;margin:14px 0;font-size:18px;line-height:1.7}
.excard .tw{color:var(--red);font-weight:900}
.excard .zh{display:block;color:var(--ink-2);font-size:14.5px;margin-top:6px}
.excard .yibtn{float:right}
.pos{display:inline-block;background:var(--blue);color:#1d4e6b;font-size:11px;font-weight:800;border-radius:7px;padding:1px 7px;margin:0 2px}
.pos.n{background:#cfe8f7}.pos.v{background:#fde0c2;color:#9a5a1c}.pos.adj{background:#f6d7de;color:#8c3a52}
.wordzh{font-size:19px;font-weight:800}
/* 选择题 */
.qstem{text-align:center;font-size:15px;color:var(--ink-2);margin:6px 0}
.qword{text-align:center;font-size:38px;font-weight:900;margin:6px 0 2px;word-break:break-word}
.opts{display:grid;gap:12px;margin:18px 0}
.opt{background:var(--paper);border:2.5px solid var(--line);border-radius:16px;padding:15px 16px;font-size:17px;font-weight:700;text-align:left;display:flex;align-items:center;gap:10px;box-shadow:0 3px 0 var(--ink-soft)}
.opt:active{transform:translateY(2px)}
.opt .key{width:26px;height:26px;border-radius:8px;background:var(--cream-deep);display:grid;place-items:center;font-size:13px;flex:0 0 auto}
.opt.right{background:var(--green-soft);border-color:var(--green-deep);color:var(--green-ink)}
.opt.wrong{background:#fde4e1;border-color:var(--red);color:#a23b32}
.opt.disabled{pointer-events:none;opacity:.85}
.feedback{text-align:center;font-weight:800;min-height:26px;margin:6px 0;font-size:15px}
.feedback.ok{color:var(--green-ink)}.feedback.no{color:var(--red)}
/* 拼写 */
.spell-in{width:100%;font-size:26px;text-align:center;letter-spacing:4px;text-transform:lowercase;border:2.5px dashed var(--green-deep);border-radius:16px;padding:12px;background:var(--paper);color:var(--ink);outline:none}
.tiles{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:14px 0}
.tile{min-width:42px;height:48px;border-radius:12px;background:var(--cheese);border:2.5px solid var(--cheese-deep);font-size:22px;font-weight:900;color:#5b3d14;box-shadow:0 3px 0 var(--cheese-deep)}
.tline{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin:12px 0;min-height:54px}
.tline .slot{min-width:40px;height:48px;border-bottom:3px solid var(--green-deep);display:grid;place-items:center;font-size:22px;font-weight:900;padding:0 6px}
/* 配对 */
.match-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}
.mcell{background:var(--paper);border:2.5px solid var(--line);border-radius:14px;padding:14px 10px;text-align:center;font-weight:700;font-size:16px}
.mcell.sel{background:var(--cheese-soft);border-color:var(--cheese-deep)}
.mcell.ok{background:var(--green-soft);border-color:var(--green-deep);pointer-events:none;opacity:.7}
.mcell.bad{background:#fde4e1;border-color:var(--red)}
/* 结算 */
.result-card{text-align:center;padding:24px 10px}
.result-card .rm{width:170px;height:186px;margin:0 auto}
.result-card h2{font-size:24px;color:var(--green-ink);margin:6px 0}
.reward-fly{font-size:20px;font-weight:900;color:#b07a1e;margin:6px 0}
.statline{display:flex;justify-content:center;gap:22px;margin:14px 0;flex-wrap:wrap}
.statline .s b{font-size:26px;display:block;color:var(--green-ink)}
.statline .s span{font-size:12px;color:var(--ink-2)}

/* 单词详情卡 */
.wd-top{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-2);margin-bottom:8px}
.wd-big{font-size:40px;font-weight:900;word-break:break-word}
.wd-tabs{display:flex;gap:6px;overflow:auto;border-bottom:2.5px solid var(--line);margin:12px 0}
.wd-tabs button{padding:8px 12px;font-weight:800;font-size:13.5px;color:var(--ink-2);border-bottom:3px solid transparent;white-space:nowrap}
.wd-tabs button.on{color:var(--green-ink);border-color:var(--green-deep)}
.wd-ex{display:flex;gap:9px;align-items:flex-start;padding:9px 4px;border-bottom:1.5px dashed var(--line)}
.wd-ex .ec{flex:1;min-width:0}.wd-ex .en{font-size:15.5px}.wd-ex .tw{color:var(--red);font-weight:800}.wd-ex .zh{font-size:13px;color:var(--ink-2)}
.mnemo{background:var(--cheese-soft);border:2px dashed var(--cheese-deep);border-radius:13px;padding:10px 13px;font-size:13.5px;color:#8a5a16;margin:8px 0}

/* ============ 练习场 ============ */
.mode-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:13px}
.mode-card{background:var(--paper);border:2.5px solid var(--line);border-radius:20px;padding:18px 10px;text-align:center;box-shadow:var(--shadow-sm);transition:.12s}
.mode-card:hover{transform:translateY(-3px);border-color:var(--green-deep)}
.mode-card .me{font-size:40px;display:block;margin-bottom:8px}
.mode-card b{font-size:14.5px}.mode-card span{display:block;font-size:11px;color:var(--ink-2);margin-top:3px}
.mode-card .badge{position:absolute}
.phon-tbl{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px}
.phon-cell{background:var(--paper);border:2px solid var(--line);border-radius:12px;padding:9px;text-align:center}
.phon-cell b{font-size:19px;color:var(--green-ink)}.phon-cell span{display:block;font-size:11px;color:var(--ink-2)}

/* ============ 小猴家 ============ */
.room{position:relative;border-radius:24px;border:3px solid var(--line);overflow:hidden;height:430px;
  background:linear-gradient(180deg,#eafaf0 0%,#eafaf0 58%,#e7d3ad 58%,#dcc190 100%);box-shadow:var(--shadow)}
.room .wall-deco{position:absolute;top:14px;left:0;right:0;display:flex;justify-content:center;gap:18px;font-size:30px}
.room .r-left{position:absolute;left:16px;bottom:120px;font-size:40px;display:flex;flex-direction:column;gap:6px;align-items:center}
.room .r-right{position:absolute;right:16px;bottom:120px;font-size:40px;display:flex;flex-direction:column;gap:6px;align-items:center}
.room .r-floor{position:absolute;left:0;right:0;bottom:74px;display:flex;justify-content:space-around;align-items:flex-end;font-size:44px;padding:0 40px}
.room .r-monkey{position:absolute;left:50%;bottom:78px;transform:translateX(-50%);width:170px;height:190px;transition:transform .3s}
.room .r-monkey.bounce{animation:bounce 1.6s ease-in-out infinite}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-8px)}}
.room-menu{position:absolute;top:14px;right:14px;display:flex;flex-direction:column;gap:9px;z-index:3}
.rmenu-btn{width:58px;height:58px;border-radius:50%;background:var(--paper);border:2.5px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:20px;box-shadow:var(--shadow-sm);font-weight:800}
.rmenu-btn span{font-size:9.5px;color:var(--ink)}
.room .r-currency{position:absolute;top:14px;left:14px;display:flex;gap:7px;z-index:3}
.pet-status{display:flex;align-items:center;gap:12px;margin-top:12px;flex-wrap:wrap}
.pet-status .lvl{font-weight:900;color:var(--green-ink)}
.feed-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:10px}
.feed-btn{display:flex;align-items:center;gap:7px;background:var(--paper);border:2px solid var(--line);border-radius:14px;padding:9px 13px;font-weight:700;font-size:13.5px}
.feed-btn .cnt{background:var(--cheese-soft);border-radius:999px;padding:0 8px;font-size:12px;color:#8a5a16}
.shop-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
.shop-item{background:var(--paper);border:2.5px solid var(--line);border-radius:17px;padding:14px 10px;text-align:center}
.shop-item .si-em{font-size:42px}.shop-item b{display:block;font-size:14px;margin:4px 0}.shop-item .si-pr{font-size:12.5px;color:#b07a1e;font-weight:800}
.shop-item.owned{background:var(--green-soft);border-color:var(--green-deep)}
.skin-card{position:relative}
.rarity-1{color:var(--ink-2)}.rarity-2{color:#3d7fb0}.rarity-3{color:#c65d8a}
/* 盲盒开箱 */
.box-stage{text-align:center;padding:20px}
.box-em{font-size:96px;animation:shake .5s infinite;display:inline-block}
@keyframes shake{0%,100%{transform:rotate(-7deg)}50%{transform:rotate(7deg)}}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin:10px 0}
.cal{aspect-ratio:1;border-radius:9px;background:var(--cream-deep);display:grid;place-items:center;font-size:11px;color:var(--ink-2);border:1.5px solid var(--line)}
.cal.on{background:var(--cheese);color:#5b3d14;font-weight:800;border-color:var(--cheese-deep)}
.cal.today{outline:2.5px solid var(--green-deep)}
.task-row{display:flex;align-items:center;gap:10px;background:var(--cream);border:2px solid var(--line);border-radius:14px;padding:10px 13px;margin:8px 0}
.task-row .t-ico{font-size:24px}.task-row .t-tx{flex:1;min-width:0}.task-row b{font-size:14px}.task-row span{font-size:11.5px;color:var(--ink-2)}
.task-row .go{flex:0 0 auto}

/* ============ 故事剧场 / 阅读器 ============ */
.subtabs{display:flex;gap:8px;margin-bottom:14px}
.subtabs button{flex:1;padding:11px 6px;border-radius:14px;font-weight:800;font-size:14px;background:var(--paper);border:2.5px solid var(--line);white-space:nowrap}
.subtabs button.on{background:var(--green);color:#fff;border-color:var(--green-deep)}
.radialwrap{background:var(--paper);border:2.5px solid var(--line);border-radius:20px;padding:8px;overflow:auto}
.radial{width:100%;max-width:720px;display:block;margin:0 auto}
.radial .spoke{stroke:var(--green-soft);stroke-width:2}.radial .spoke.side{stroke:var(--cheese-soft)}
.radial .node{cursor:pointer}.radial .node .halo{fill:#fff;stroke:var(--line);stroke-width:2}
.radial .node .core{fill:var(--green-soft);stroke:var(--green-deep);stroke-width:2.5}
.radial .node.side .core{fill:var(--cheese-soft);stroke:var(--cheese-deep)}
.radial .node.sel .core{fill:var(--green);}.radial .node.sel text{fill:#fff}
.radial text{font-size:13px;font-weight:800;fill:var(--ink);text-anchor:center;pointer-events:none}
.radial .hubcore{fill:var(--green);stroke:var(--green-ink);stroke-width:3}
.radial .hub text{fill:#fff;font-size:13px}
.spokegrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:9px;margin:12px 0}
.spokecard{background:var(--paper);border:2.5px solid var(--line);border-radius:15px;padding:11px;text-align:left;font-weight:700;font-size:13px}
.spokecard span{display:block;font-size:11px;color:var(--ink-2);font-weight:400;margin-top:2px}
.spokecard.side{border-color:var(--cheese-deep)}.spokecard.sel{background:var(--green-soft);border-color:var(--green-deep)}
.chappreview{background:var(--paper);border:2.5px solid var(--line);border-radius:20px;padding:16px;margin-top:12px}
.chappreview h3{margin:0;font-size:18px}
.cp-gist{background:var(--green-mist);border-radius:13px;padding:10px 13px;font-size:13.5px;margin:10px 0}
.cp-gist p{margin:5px 0}
/* 阅读器 */
.reader-banner{height:150px;border-radius:18px;border:3px solid var(--line);display:grid;place-items:center;font-size:70px;margin-bottom:12px;
  background:linear-gradient(180deg,#dff1fb,#eafaf0);overflow:hidden;position:relative}
.reader-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:12.5px;color:var(--ink-2);margin-bottom:8px}
.prose{font-size:17px;line-height:1.85}
.p-para{background:var(--paper);border:2px solid var(--line);border-radius:16px;padding:14px 16px;margin:12px 0}
.p-para .sline{display:block;cursor:pointer;border-radius:8px;padding:1px 3px}
.p-para .sline .zh{display:block;color:var(--ink-2);font-size:14px;margin-top:2px}
.sline.playing{background:var(--cheese-soft);box-shadow:inset 0 0 0 2px var(--cheese)}
.sline.playing .en{color:#9a6a12}
.vm-en .zh,.vm-en .sen.zh{display:none}.vm-zh .en,.vm-zh .sen.en{display:none}
.reader-tool{position:sticky;bottom:0;background:var(--paper);border-top:2.5px solid var(--line);padding:9px 12px;display:flex;gap:6px;justify-content:space-around;z-index:5}
.reader-tool button{width:48px;height:48px;border-radius:50%;background:var(--cream-deep);font-size:20px;display:grid;place-items:center;border:2px solid var(--line)}
.reader-tool button.on{background:var(--cheese);border-color:var(--cheese-deep)}
.player-ctrl{display:flex;align-items:center;gap:14px;justify-content:center;padding:8px 0}
.player-ctrl .pcb{width:46px;height:46px;border-radius:50%;background:var(--cream-deep);border:2px solid var(--line);font-size:18px}
.player-ctrl .pcb.big{width:62px;height:62px;background:var(--green);border-color:var(--green-deep);color:#fff;font-size:24px}
.shelf-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:13px}
.shelf-book{background:var(--paper);border:2.5px solid var(--line);border-radius:16px;overflow:hidden;cursor:pointer;box-shadow:var(--shadow-sm)}
.shelf-book .cov{height:96px;display:grid;place-items:center;font-size:44px}
.shelf-book .bd{padding:9px 11px}.shelf-book b{font-size:13.5px;display:block}.shelf-book span{font-size:11px;color:var(--ink-2)}

/* 词库列表 */
.wl-row{background:var(--paper);border:2px solid var(--line);border-radius:14px;padding:10px 13px;margin:8px 0;cursor:pointer}
.wl-row.playing{background:var(--cheese-soft);border-color:var(--cheese-deep)}
.wl-top{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.wl-top .w{font-size:18px;font-weight:900}.wl-top .zh{font-weight:700}.wl-top .lvl{margin-left:auto;font-size:11px;color:var(--ink-2)}
.wl-ph{margin-top:3px}
.wcard{display:flex;align-items:center;gap:10px;background:var(--paper);border:2px solid var(--line);border-radius:14px;padding:10px 12px;margin:8px 0;cursor:pointer}
.wcard.playing{background:var(--cheese-soft);border-color:var(--cheese-deep)}
.wcard .wctxt{flex:1;min-width:0}.wcard .w{font-size:17px;font-weight:900}.wcard .ops{display:flex;gap:6px}
.chipbtn{border-radius:10px;padding:6px 9px;font-size:13px;background:var(--cream-deep);border:2px solid var(--line);font-weight:700}
.chipbtn.ok{background:var(--green-soft);border-color:var(--green-deep);color:var(--green-ink)}
.chipbtn.no{background:#fde4e1;border-color:var(--red);color:#a23b32}
.ph-row{background:var(--paper);border:2px solid var(--line);border-radius:13px;padding:10px 13px;margin:8px 0;cursor:pointer}
.ph-row.playing{background:var(--cheese-soft);border-color:var(--cheese-deep)}
.ph-row .phmain{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.grp{margin:16px 0 8px;font-size:15px}

/* 我的 */
.me-head{display:flex;align-items:center;gap:16px;background:linear-gradient(135deg,var(--green-soft),var(--cream));border:2.5px solid var(--green-deep);border-radius:22px;padding:18px}
.me-av{width:84px;height:84px;border-radius:50%;background:var(--paper);border:3px solid var(--green-deep);overflow:hidden;flex:0 0 auto}
.me-av svg{width:100%;height:100%}
.me-name{font-size:21px;font-weight:900}.me-stage{font-size:12.5px;color:var(--ink-2)}
.stat4{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}
.stat4 .q{background:var(--paper);border:2px solid var(--line);border-radius:14px;text-align:center;padding:11px 4px}
.stat4 .q b{font-size:20px;display:block;color:var(--green-ink)}.stat4 .q span{font-size:11px;color:var(--ink-2)}
.fn-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:10px}
.fn{background:var(--paper);border:2px solid var(--line);border-radius:15px;padding:13px 6px;text-align:center;font-size:12.5px;font-weight:700}
.fn .fe{font-size:24px;display:block;margin-bottom:5px}
.medal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px}
.medal{background:var(--paper);border:2px solid var(--line);border-radius:15px;padding:12px 6px;text-align:center;font-size:12px;opacity:.45}
.medal.got{opacity:1;border-color:var(--cheese-deep);background:var(--cheese-soft)}
.medal .me{font-size:30px;display:block}

/* 全局播放条 */
.playerbar{position:fixed;left:0;right:0;bottom:70px;z-index:55;display:flex;align-items:center;gap:8px;padding:9px 12px;background:var(--paper);border-top:3px solid var(--cheese-deep);box-shadow:0 -4px 14px rgba(124,79,44,.12)}
.playerbar .pbtn{flex:0 0 auto;width:40px;height:40px;border-radius:50%;background:var(--cream-deep);border:2px solid var(--line);font-size:15px}
.playerbar .pbtn.main{background:var(--green);border-color:var(--green-deep);color:#fff}
.playerbar .now{flex:1;min-width:0}.playerbar .now b{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.playerbar .now span{font-size:11px;color:var(--ink-2);white-space:nowrap;overflow:hidden;display:block;text-overflow:ellipsis}
.playerbar .seg button{padding:5px 8px;font-size:11px}

/* 弹层 / toast / 奖励 */
.modal-mask{position:fixed;inset:0;z-index:90;background:rgba(124,79,44,.42);display:flex;align-items:center;justify-content:center;padding:18px;backdrop-filter:blur(2px)}
.modal{background:var(--paper);border:3px solid var(--line);border-radius:24px;padding:22px;max-width:680px;width:100%;max-height:88vh;overflow:auto;box-shadow:var(--shadow);position:relative;animation:pop .18s ease-out;scrollbar-width:thin}
.modal.lg{max-width:980px}
@keyframes pop{from{transform:scale(.96) translateY(8px);opacity:0}to{transform:none;opacity:1}}
.modal .close{position:absolute;top:12px;right:12px;width:36px;height:36px;border-radius:50%;background:var(--cream-deep);border:2px solid var(--line);font-size:15px;line-height:1;z-index:5;display:flex;align-items:center;justify-content:center;padding:0;color:var(--ink);flex:0 0 auto;transition:transform .12s,background .12s}
.modal .close:hover{background:var(--cheese-soft)}
.modal .close:active{transform:scale(.88)}
.modal h3{margin:0 44px 12px 0;font-size:18px;line-height:1.35}
.toast{position:fixed;left:50%;top:18%;transform:translateX(-50%) translateY(-10px);background:rgba(93,60,30,.94);color:#fff;padding:11px 20px;border-radius:999px;font-size:14px;font-weight:700;z-index:200;opacity:0;pointer-events:none;transition:.25s;max-width:88%;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.burst{position:fixed;inset:0;pointer-events:none;z-index:150;overflow:hidden}
.burst span{position:absolute;font-size:22px;animation:burst 1s ease-out forwards}
@keyframes burst{to{transform:translateY(-160px) rotate(220deg);opacity:0}}
.coin-fly{position:fixed;font-size:22px;z-index:160;pointer-events:none;transition:all .8s cubic-bezier(.3,-0.2,.6,1)}

/* ---- v2 补充：整篇连读排版（句子在段落内自然流动，不逐句割裂） ---- */
.lrn-wrap{position:relative}
.p-para-inner{margin:0 0 14px;font-size:17px;line-height:1.95}
.p-para-inner:last-child{margin-bottom:0}
.p-para .sline{display:inline;border-radius:8px;padding:1px 2px;transition:background .15s,box-shadow .15s;cursor:pointer}
.p-para .pair.sline{display:block;margin:13px 0;padding:3px 5px}
.p-para .pair .zh-s.zh{display:block;margin-top:3px;font-size:14.5px}
.sline.playing{background:var(--cheese-soft);box-shadow:inset 0 0 0 2px var(--cheese);border-radius:8px}
.sline.playing .en-s{color:#9a6a12;font-weight:800}
.staryep{background:var(--paper);border:2.5px solid var(--line);border-radius:18px;padding:14px 16px;margin:10px 0}
#chapPreview.chappreview{margin-top:14px}
.feed-btn:disabled{opacity:.45;pointer-events:none}
/* 阅读器底部：控制条一行、工具钮一行，手机不溢出 */
.screen .reader-tool{flex-shrink:0;display:block;padding:8px 10px calc(10px + env(safe-area-inset-bottom));border-top:2.5px solid var(--line)}
.reader-tool .rt-ctrl{display:flex;align-items:center;gap:14px;justify-content:center}
.reader-tool .rt-tools{display:flex;gap:22px;justify-content:center;margin-top:8px}
.reader-tool .rt-tools .pcb{width:56px;height:40px;border-radius:20px;background:var(--cream-deep)}
.reader-tool .pcb.on{background:var(--cheese);border-color:var(--cheese-deep)}
@media (max-width:600px){
  .reader-tool .rt-ctrl{gap:10px}
  .reader-tool .pcb{width:40px;height:40px;font-size:16px}
  .reader-tool .pcb.big{width:56px;height:56px;font-size:20px}
  .reader-tool .rt-tools{gap:18px}
  .reader-tool .rt-tools .pcb{width:52px;height:38px;font-size:16px}
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .sidebar{display:none}.content{max-width:760px}
}
@media (min-width:1025px){
  .tabbar{display:none}
  .content{padding-bottom:40px}
  .playerbar{left:232px;bottom:0}
}
@media (max-width:600px){
  .content{padding:14px 12px 104px}
  .topbar{padding:10px 12px;gap:6px}.topbar .ttl{font-size:16px}
  .coin{padding:3px 8px;font-size:12.5px}.pill{padding:3px 9px;font-size:11.5px}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .stat4{grid-template-columns:repeat(2,1fr)}
  .book-hero{justify-content:center;text-align:center}
  .bigword{font-size:38px}.qword{font-size:32px}
  .room{height:380px}
  .modal{padding:18px;border-radius:20px}
  .reader-banner{height:120px;font-size:56px}
}

/* v2 细节修正 */
.wd-top{padding-right:40px}
.wd-top .times{margin-left:auto;white-space:nowrap}

/* v2 学年场景插画 */
.reader-banner.has-img{position:relative;height:168px;padding:0;overflow:hidden;display:flex;align-items:center;justify-content:center}
.reader-banner.has-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:inherit}
.cov{position:relative;overflow:hidden}
.cov.cov-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
@media (max-width:600px){.reader-banner.has-img{height:150px}}

/* ================= v2.1 全局交互系统优化 ================= */
html{ -webkit-tap-highlight-color: transparent }
body.overlay-open{overflow:hidden}
button{transition:transform .12s ease, background .15s ease, box-shadow .12s ease, opacity .15s}
button:focus-visible{outline:3px solid rgba(95,176,131,.55);outline-offset:2px}
.fbtn:active,.seg button:active,.subtabs button:active,.feed-btn:active,.wd-tabs button:active,.cal:active,.mode-card:active,.pocket:active,.radial .node:active{transform:scale(.95)}
.pcb:active,.reader-tool button:active{transform:scale(.9)}
.tabbar button:active{transform:translateY(2px)}
.opt{transition:transform .12s,border-color .15s,background .15s}
.spk{transition:transform .12s}
.spk:active{transform:scale(.88)}
/* 手机端弹窗改为底部抽屉（奶酪式） */
@media (max-width:600px){
  .modal-mask{align-items:flex-end;padding:0;justify-content:center;background:rgba(124,79,44,.40)}
  .modal{max-width:100%;border-radius:26px 26px 0 0;border-bottom:none;max-height:93vh;padding:20px 16px calc(16px + env(safe-area-inset-bottom));animation:sheetUp .24s ease-out}
  .modal.lg{max-width:100%}
  @keyframes sheetUp{from{transform:translateY(6%)}to{transform:translateY(0)}}
  .modal .close{top:12px;right:12px}
}
/* 超窄屏（360 及以下）字号微调，防顶栏拥挤 */
@media (max-width:360px){
  .topbar{gap:4px;padding:8px 8px}
  .coin,.pill{font-size:11px;padding:4px 7px}
  #stagePill{display:none}
}
/* 平板/桌面更舒展 */
@media (min-width:1024px){
  .modal{padding:26px}
}

/* ================= v2.1 词网联想 ================= */
.wn-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.wn-controls{background:var(--paper);border:2px solid var(--line);border-radius:16px;padding:10px 12px;margin-bottom:10px}
.wn-legend{display:flex;gap:12px;flex-wrap:wrap;font-size:11.5px;color:var(--ink-2);margin-top:6px}
.wn-legend i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:4px;vertical-align:-1px}
.wn-stage{flex:1;overflow:auto;border:2px dashed var(--line);border-radius:18px;background:radial-gradient(circle at center,#f3faf5,#fbf4e4 70%);min-height:52vh;touch-action:pan-x pan-y}
.wn-stage svg{display:block;margin:0 auto}
.wn-node circle{transition:transform .12s,stroke-width .12s;transform-box:fill-box;transform-origin:center}
.wn-node:hover circle{stroke-width:5}
.wn-node:active circle{transform:scale(1.08)}
.wn-card{position:sticky;bottom:0;padding:8px 2px 2px;background:linear-gradient(transparent,var(--paper) 30%)}
.wn-card-in{background:var(--paper);border:2.5px solid var(--green);border-radius:18px;padding:12px 14px;box-shadow:0 -6px 24px rgba(124,79,44,.12)}
.wn-cw{font-size:24px;font-weight:900;color:var(--ink)}
@media (min-width:1024px){ .wn-stage{min-height:64vh} }

/* ================= v2.1 知识库 ================= */
.kb-wrap{display:flex;gap:14px;align-items:flex-start}
.kb-side{flex:0 0 190px;display:flex;flex-direction:column;gap:6px;position:sticky;top:8px}
.kb-side button{text-align:left;padding:10px 12px;border-radius:13px;border:2px solid var(--line);background:var(--paper);font-weight:800;font-size:13.5px;color:var(--ink)}
.kb-side button.on{background:var(--green);color:#fff;border-color:var(--green-deep)}
.kb-main{flex:1;min-width:0}
.kb-chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;margin-bottom:8px}
.kb-chips button{flex:0 0 auto;padding:8px 14px;border-radius:999px;border:2px solid var(--line);background:var(--paper);font-weight:800;font-size:13px}
.kb-chips button.on{background:var(--green);color:#fff;border-color:var(--green-deep)}
.kb-topic{background:var(--paper);border:2px solid var(--line);border-radius:18px;padding:16px 18px;margin-bottom:12px}
.kb-topic h4{margin:0 0 4px;font-size:17px;color:var(--green-deep)}
.kb-topic .kb-sub{color:var(--ink-2);font-size:13px;margin:0 0 8px}
.kb-ex{background:var(--cream);border-left:4px solid var(--cheese);border-radius:10px;padding:8px 12px;margin:8px 0;font-size:14.5px;line-height:1.7}
.kb-ex .en{font-weight:700}
.kb-ex .zh{color:var(--ink-2);font-size:13px}
.kb-ex .say{float:right}
.kb-grid2{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:9px;margin:10px 0}
.kb-cell{background:var(--cream);border:2px solid var(--line);border-radius:14px;padding:10px;text-align:center;cursor:pointer;transition:transform .12s}
.kb-cell:active{transform:scale(.95)}
.kb-cell .sym{font-size:24px;font-weight:900;color:var(--green-deep);font-family:Georgia,serif}
.kb-cell .ex{font-size:12.5px;font-weight:700;margin-top:2px}
.kb-cell .zh{font-size:11.5px;color:var(--ink-2)}
.kb-formula{display:inline-block;background:var(--green-soft);border:2px solid var(--green);color:#2f6b4d;border-radius:10px;padding:4px 10px;font-weight:800;font-size:13.5px;margin:4px 0}
.kb-quiz{background:var(--green-soft);border:2px dashed var(--green-deep);border-radius:14px;padding:12px;margin-top:10px}
.kb-quiz .opt{display:block;width:100%;text-align:left;margin:6px 0;padding:10px 12px;border-radius:12px;border:2px solid var(--line);background:var(--paper);font-weight:700}
.kb-quiz .opt.right{background:#e2f5e9;border-color:var(--green)}
.kb-quiz .opt.wrong{background:#fde4e4;border-color:#e08f8f}
.kb-diagram{overflow-x:auto;margin:10px 0;max-width:100%}
.kb-diagram svg{max-width:100%;height:auto;display:block}
.kb-topic{max-width:100%;box-sizing:border-box;min-width:0}
.kb-tense{display:grid;grid-template-columns:56px repeat(3,minmax(0,1fr));gap:7px;margin:12px 0;min-width:0}
.kbt-corner{background:transparent}
.kbt-colh{background:var(--green);color:#fff;border-radius:10px;padding:7px 4px;text-align:center;font-weight:800;font-size:13px;min-width:0}
.kbt-rowh{display:flex;align-items:center;justify-content:center;color:var(--green-deep);font-weight:800;font-size:12.5px;background:var(--green-soft);border-radius:10px;padding:4px;min-width:0}
.kbt-cell{background:var(--cream);border:1.5px solid var(--green);border-radius:10px;padding:8px 3px;text-align:center;font-weight:700;font-size:11.5px;line-height:1.3;word-break:break-word;min-width:0;overflow-wrap:anywhere}
.kbt-cell.lite{background:#e7f5ec}
@media (max-width:400px){.kb-tense{grid-template-columns:42px repeat(3,minmax(0,1fr));gap:5px}.kbt-cell{font-size:10px;padding:6px 2px}.kbt-rowh{font-size:11px}}
@media (max-width:760px){ .kb-wrap{flex-direction:column;overflow-x:hidden}.kb-side{position:static;flex-direction:row;overflow-x:auto;width:100%;max-width:100%;flex:none;min-width:0}.kb-side button{flex:0 0 auto}.kb-main{width:100%;max-width:100%;min-width:0}.kb-tense{width:100%;max-width:100%} }

/* ================= v2.1 磨耳朵（原声合集） ================= */
.dy-col{background:var(--paper);border:2px solid var(--line);border-radius:18px;overflow:hidden;margin-bottom:14px}
.dy-col-head{padding:12px 14px;background:var(--green-soft);display:flex;align-items:center;gap:10px}
.dy-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-top:1.5px solid var(--line)}
.dy-item:nth-child(even){background:#fffdf7}
.dy-item .idx{flex:0 0 26px;height:26px;border-radius:50%;background:var(--cream-deep);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12px}
.dy-item .t{flex:1;min-width:0;font-size:13.5px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dy-item .dur{font-size:11.5px;color:var(--ink-2);flex:0 0 auto}
.dy-item.playing{background:var(--cheese-soft)}
.dy-item.playing .idx{background:var(--cheese)}

/* v2.1 新模块屏幕布局补丁 */
.wn-head{padding:12px 14px 4px;flex-shrink:0}
.wn-controls{margin:0 12px 10px;flex-shrink:0}
.wn-stage{margin:0 12px}
.wn-card{margin:0 12px;flex-shrink:0;padding-bottom:calc(10px + env(safe-area-inset-bottom))}
.kb-wrap{flex:1;min-height:0;overflow:auto;padding:12px 14px calc(20px + env(safe-area-inset-bottom))}
.kb-tbl{width:100%;border-collapse:collapse;font-size:13px;background:var(--paper);border-radius:12px;overflow:hidden}
.kb-tbl th{background:var(--green);color:#fff;padding:8px 10px;text-align:left;font-weight:800;white-space:nowrap}
.kb-tbl td{border-top:1.5px solid var(--line);padding:8px 10px;vertical-align:top;line-height:1.6}
.kb-tbl tr:nth-child(even) td{background:#fffdf7}
.filterbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:8px}

/* v2.1 磨耳朵底部播放条 */
.dy-spacer{height:92px}.dy-bar{position:fixed;left:252px;right:24px;bottom:18px;margin-top:0;z-index:90}
.dy-bar-in{display:flex;align-items:center;gap:8px;background:var(--ink);color:#fff;border-radius:18px;padding:10px 12px;box-shadow:0 8px 24px rgba(93,60,30,.3)}
.dy-bar-in .pbtn{width:38px;height:38px;border-radius:50%;background:var(--cream-deep);color:var(--ink);font-size:14px;flex:0 0 auto;display:grid;place-items:center;border:2px solid var(--line)}
.dy-bar-in .pbtn.big{width:48px;height:48px;background:var(--green);color:#fff;font-size:18px;border-color:var(--green-deep)}
.dy-bar-in .now{flex:1;min-width:0}
.dy-bar-in .now b{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dy-bar-in .now span{font-size:11px;opacity:.75}
.dy-bar-in .dy-rate{border-radius:10px;padding:6px;border:2px solid var(--line);background:var(--paper);font-weight:800;font-size:12px}
@media (max-width:1024px){ .dy-spacer{height:162px} .dy-bar{left:12px;right:12px;bottom:calc(94px + env(safe-area-inset-bottom))} }
@media (max-width:600px){ .dy-bar{bottom:calc(94px + env(safe-area-inset-bottom))} }

/* v2.1 修复：全屏页 flex 子项 min-width 导致的横向溢出 */
.screen>*{min-width:0}
.wn-stage{min-width:0;max-width:100%}
.kb-wrap{min-width:0}
.wn-head .pcb{width:38px;height:38px;border-radius:12px;background:var(--cream-deep);border:2px solid var(--line);font-size:16px;flex:0 0 auto;display:grid;place-items:center}
.kb-wrap #kbBack{width:38px;height:38px;border-radius:12px;background:var(--cream-deep);border:2px solid var(--line);font-size:16px;flex:0 0 auto;display:grid;place-items:center}

/* v2.1 根治横向溢出：屏幕容器裁切，内部各自滚动 */
html,body{max-width:100%;overflow-x:hidden}
.screen{overflow:hidden}
.wn-stage{overscroll-behavior:contain}
.kb-wrap{overscroll-behavior:contain}

/* ============================================================
   v2.3.0 排版规范全量落地
   ① 中英文 justify ② 字幕 68ch ③ 长资源页 Tab+搜索+分页+折叠
   ④ 手机字幕 18-20px ⑤ 宽窄屏无横向溢出
   ============================================================ */

/* ---- ① 中英文排版：中文两端对齐，英文长句连字符换行 ---- */
.content,.kb-main,.kb-sub,.notice,.cp-gist,.staryep,.p-para-inner,.weave-passage,.modal p{
  text-align:justify; text-justify:inter-ideograph;
}
.prose,.p-para-inner,.weave-passage,.kb-ex,.excard,.kb-sub{
  hyphens:auto; word-break:normal; overflow-wrap:break-word;
}
/* 居中类内容不强制两端对齐（学习大卡/选择/结算保持居中） */
.bigword,.qword,.bigword-row,.result-card,.feedback,.lrn-wrap .excard,.staryep{text-align:center}

/* ---- ② 字幕行：限制行长并给舒适行距 ---- */
.subp-cap{max-width:68ch;margin:0 auto}
.subp-cap .cap-en{line-height:1.7}
.sline,.subp-line{overflow-wrap:break-word}

/* ---- ⑤ 宽窄屏无横向溢出 ---- */
img,video{max-width:100%;height:auto}
.kb-diagram,.tbl-wrap{overflow-x:auto;max-width:100%}
.kb-tbl{max-width:100%}
a,code,.ipa,.wl-row .w,.wd-big{overflow-wrap:break-word;word-break:break-word}
.content *,.card *,.dy-item *,.wl-row *{min-width:0}

/* ---- 长资源页通用：过滤条 / 搜索 / 分页器 ---- */
.browser-tabs{display:flex;gap:var(--gap-sm);flex-wrap:wrap;align-items:center;margin:0 0 var(--gap-card)}
.browser-tabs .seg{flex-wrap:wrap}
.browser-search{display:flex;gap:var(--gap-sm);flex-wrap:wrap;align-items:center;margin:0 0 var(--gap-card)}
.browser-search .search{min-width:150px;flex:1 1 180px}
.pager{display:flex;gap:var(--gap-sm);align-items:center;justify-content:center;flex-wrap:wrap;
  margin:var(--gap-card) 0 var(--pad-y)}
.pager .pginfo{font-size:13px;color:var(--ink-2);font-weight:700;min-width:90px;text-align:center}
.pager .btn.sm{min-width:84px}

/* ---- 磨耳朵长资源页：折叠卡 ---- */
.erow{background:var(--paper);border:2px solid var(--line);border-radius:14px;margin-bottom:var(--gap-sm);overflow:hidden}
.erow-head{display:flex;align-items:center;gap:var(--gap-sm);padding:10px 12px;cursor:pointer;user-select:none}
.erow-head:hover{background:var(--green-mist)}
.erow-head .idx{flex:0 0 26px;height:26px;border-radius:50%;background:var(--cream-deep);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12px}
.erow-head .src-tag{flex:0 0 auto;font-size:10.5px;font-weight:800;border-radius:99px;padding:2px 8px;
  background:var(--green-soft);color:var(--green-ink)}
.erow-head .src-tag.mooc{background:#cde9ff;color:#1c5e86}
.erow-head .t{flex:1;min-width:0;font-size:13.5px;font-weight:700;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.erow-head .dur{font-size:11.5px;color:var(--ink-2);flex:0 0 auto}
.erow-head .caret{flex:0 0 auto;color:var(--ink-2);transition:transform .15s;font-size:12px}
.erow.open .erow-head .caret{transform:rotate(90deg)}
.erow-body{display:none;border-top:1.5px dashed var(--line);padding:10px 12px;background:#fffdf7}
.erow.open .erow-body{display:block}
.erow-meta{font-size:12px;color:var(--ink-2);margin-bottom:8px;line-height:1.6}
.erow-sub{background:var(--cream);border-left:4px solid var(--green);border-radius:8px;
  padding:7px 10px;font-size:13px;margin:6px 0;line-height:1.6;overflow-wrap:break-word}
.erow-sub .zh{display:block;color:var(--ink-2);font-size:12.5px;margin-top:2px}
.erow-actions{display:flex;gap:var(--gap-sm);flex-wrap:wrap;margin-top:8px}

/* ---- 万词库：分页 + 折叠卡 ---- */
#wlPager{margin-top:var(--gap-sm)}
#wlPager .pager{margin:var(--gap-sm) 0}
.wl-row{cursor:pointer}
.wl-row .wl-body{display:none;margin-top:8px;padding-top:8px;border-top:1.5px dashed var(--line)}
.wl-row.open .wl-body{display:block}
.wl-row .wl-detail{font-size:13px;line-height:1.7;color:var(--ink-2)}
.wl-row .wl-detail b{color:var(--ink)}
.wl-row .wl-actions{display:flex;gap:var(--gap-sm);flex-wrap:wrap;margin-top:8px}

/* ---- 知识库：折叠文章卡 ---- */
.kb-topic{cursor:default}
.kb-topic .kb-t-hd{cursor:pointer;display:flex;align-items:center;gap:var(--gap-sm)}
.kb-topic .kb-t-hd .caret{flex:0 0 auto;color:var(--ink-2);transition:transform .15s;font-size:12px}
.kb-topic.open .kb-t-hd .caret{transform:rotate(90deg)}
.kb-topic .kb-t-body{display:none}
.kb-topic.open .kb-t-body{display:block}
.kb-topic.kb-hit{border-color:var(--green-deep);box-shadow:0 0 0 2px rgba(95,176,131,.25)}

/* 手机端：长资源页控件收紧 */
@media (max-width:640px){
  .browser-search .search{min-width:120px}
  .pager .btn.sm{min-width:72px;padding:7px 10px}
  .erow-head .t{white-space:normal;overflow:visible}
}