:root{--bg-deep:#0B1A4A;--bg-mid:#14307F;--bg-bright:#1B5BD8;--bg-glow:#3E78FF;
  --ink:#fff;--ink-soft:rgba(255,255,255,.82);--ink-mute:rgba(255,255,255,.62);
  --glass:rgba(255,255,255,.10);--line:rgba(255,255,255,.12);
  --r-lg:32px;--r-md:24px;
  --shadow-card:0 18px 44px rgba(7,18,60,.45),0 4px 12px rgba(7,18,60,.25);}
*{margin:0;padding:0;box-sizing:border-box;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;color:var(--ink);}

/* 全局交互光标：可点击元素统一小手（只变光标、不做 hover 变色）；链接无下划线 */
button,[data-close],[data-act],[role=button],.tb-bell{cursor:pointer;}
button:disabled{cursor:not-allowed;}
a,a:visited,a:hover,a:active{text-decoration:none;color:inherit;}
html,body{width:100%;height:100%;background:#060B22;overflow:hidden;}
body{background:
  radial-gradient(60% 80% at 75% 5%,#1B5BD8 0%,transparent 60%),
  radial-gradient(45% 65% at 10% 80%,#1E4FC9 0%,transparent 70%),
  radial-gradient(120% 90% at 50% 100%,#0B1A4A 0%,#060B22 100%);
  display:flex;align-items:center;justify-content:center;min-height:100vh;}
canvas{width:1920px;height:1080px;background:#0B1A4A;overflow:hidden;position:relative;
  box-shadow:0 30px 90px rgba(0,0,0,.55);
  background:
    radial-gradient(60% 80% at 75% 5%,#1B5BD8 0%,transparent 60%),
    radial-gradient(45% 65% at 10% 80%,#1E4FC9 0%,transparent 70%);}
.glow-top{position:absolute;top:-180px;right:-160px;width:780px;height:780px;border-radius:50%;
  background:radial-gradient(circle,#3E78FF 0%,transparent 65%);pointer-events:none;opacity:.85;mix-blend-mode:screen;}
.glow-btm{position:absolute;bottom:-280px;left:-200px;width:900px;height:900px;border-radius:50%;
  background:radial-gradient(circle,#1B5BD8 0%,transparent 70%);pointer-events:none;opacity:.65;mix-blend-mode:screen;}
.stars{position:absolute;inset:0;pointer-events:none;opacity:.32;
  background-image:radial-gradient(2px 2px at 18% 32%,#fff,transparent),
    radial-gradient(1.5px 1.5px at 78% 22%,#fff,transparent),
    radial-gradient(2px 2px at 38% 78%,#fff,transparent),
    radial-gradient(1px 1px at 60% 45%,#fff,transparent),
    radial-gradient(1.5px 1.5px at 88% 65%,#fff,transparent),
    radial-gradient(2px 2px at 14% 88%,#fff,transparent),
    radial-gradient(1.5px 1.5px at 50% 8%,#fff,transparent),
    radial-gradient(1px 1px at 92% 88%,#fff,transparent);}
.topbar{position:absolute;top:0;left:0;right:0;height:72px;display:flex;align-items:center;
  padding:0 60px;justify-content:space-between;z-index:20;
  background:linear-gradient(180deg,rgba(7,18,60,.55),transparent);backdrop-filter:blur(10px);}
.topbar .tb-left{display:flex;align-items:center;gap:32px;}
.topbar .tb-time{font-size:30px;font-weight:700;letter-spacing:2px;text-shadow:0 2px 8px rgba(0,0,0,.35);}
.topbar .tb-date{font-size:18px;color:var(--ink-mute);}
.topbar .tb-right{display:flex;align-items:center;gap:18px;}
.tb-btn{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);cursor:pointer;transition:all .25s;}
.tb-btn:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.tb-btn svg{width:26px;height:26px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.tb-bell{position:relative;}
.tb-bell::after{content:"";position:absolute;top:8px;right:10px;width:10px;height:10px;border-radius:50%;
  background:#FF4D4D;box-shadow:0 0 0 3px rgba(11,26,74,.9);}
.dock{position:absolute;left:50%;bottom:36px;transform:translateX(-50%);
  display:flex;align-items:flex-end;gap:30px;z-index:20;}
.dock-i{width:88px;height:88px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .3s cubic-bezier(.2,.8,.2,1);position:relative;
  background:rgba(255,255,255,.10);border:1.5px solid rgba(255,255,255,.18);overflow:hidden;
  box-shadow:0 12px 28px rgba(0,0,0,.32),inset 0 1px 0 rgba(255,255,255,.2);}
.dock-i img{width:60%;height:60%;object-fit:contain;transition:all .3s;}
.dock-i:hover{transform:translateY(-8px) scale(1.05);}
.dock-i.active{width:108px;height:108px;
  background:linear-gradient(155deg,#3E78FF 0%,#1B5BD8 100%);
  border-color:rgba(255,255,255,.5);
  box-shadow:0 20px 44px rgba(62,120,255,.5),inset 0 1px 0 rgba(255,255,255,.4);}
.dock-i .nm{position:absolute;bottom:-32px;left:50%;transform:translateX(-50%);font-size:15px;font-weight:500;
  white-space:nowrap;opacity:.85;}
.dock-i.active .nm{opacity:1;font-weight:700;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.3);}
.page{position:absolute;inset:0;padding:90px 56px 156px;display:none;animation:fadeUp .55s ease both;}
.page.active{display:block;}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px);}to{opacity:1;transform:translateY(0);}}

.home-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:24px;}
.home-head .hello{display:flex;flex-direction:column;gap:8px;}
.home-head .hello .g{font-size:28px;font-weight:400;color:var(--ink-soft);}
.home-head .hello .name{font-size:46px;font-weight:700;letter-spacing:1px;
  background:linear-gradient(180deg,#fff,#A8C2FF);-webkit-background-clip:text;background-clip:text;color:transparent;}
.home-head .streak{display:flex;align-items:center;gap:14px;padding:14px 24px;border-radius:30px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(8px);}
.home-head .streak .flame{width:42px;height:42px;}
.home-head .streak .flame img{width:100%;height:100%;object-fit:contain;}
.home-head .streak .num{font-size:30px;font-weight:700;}
.home-head .streak .lbl{font-size:14px;color:var(--ink-mute);}
.home-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:182px;gap:24px;}
.card{border-radius:var(--r-lg);padding:24px;position:relative;overflow:hidden;cursor:pointer;
  box-shadow:var(--shadow-card);transition:transform .35s,box-shadow .35s;}
.card:hover{transform:translateY(-6px) scale(1.015);}
.c-red{background:linear-gradient(140deg,#FF6F61 0%,#FF9080 100%);}
.c-blue{background:linear-gradient(140deg,#3CA7FF 0%,#5EBEFF 100%);}
.c-purple{background:linear-gradient(140deg,#9C7CF6 0%,#B79CFA 100%);}
.c-orange{background:linear-gradient(140deg,#FF9F45 0%,#FFC077 100%);}
.c-mint{background:linear-gradient(140deg,#4DD8B6 0%,#7CE9CE 100%);}
.c-violet{background:linear-gradient(140deg,#7B6CF6 0%,#A89AFF 100%);}
.c-cyan{background:linear-gradient(140deg,#3DC8E8 0%,#7DDCF0 100%);}
.card .title{font-size:30px;font-weight:700;color:#fff;line-height:1.15;letter-spacing:1px;
  text-shadow:0 2px 6px rgba(0,0,0,.18);position:relative;z-index:2;}
.card .sub{font-size:16px;color:rgba(255,255,255,.86);margin-top:8px;position:relative;z-index:2;}
.card .illust{position:absolute;right:-20px;bottom:-30px;width:200px;height:200px;
  pointer-events:none;filter:drop-shadow(0 18px 28px rgba(0,0,0,.35));}
.card .illust img{width:100%;height:100%;object-fit:contain;}
.grid-span-2{grid-column:span 2;grid-row:span 2;padding:34px 30px;}
.grid-span-2 .illust{width:340px;height:340px;right:-30px;bottom:-50px;}
.grid-span-2 .title{font-size:48px;}
.grid-span-2 .sub{font-size:20px;margin-top:12px;}
.grid-tall{grid-row:span 2;padding:30px 26px;}
.grid-tall .title{font-size:34px;}
.grid-tall .illust{width:230px;height:230px;}
.hero-card{background:linear-gradient(140deg,#7B6CF6 0%,#FFA0C7 100%);}
.hero-card .hero-illust{position:absolute;right:-30px;top:50%;transform:translateY(-50%);
  width:380px;height:380px;}
.hero-card .hero-illust img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 28px 50px rgba(0,0,0,.45));}
.hero-card .hero-meta{display:flex;flex-direction:column;gap:14px;max-width:60%;position:relative;z-index:2;}
.hero-card .badge{display:inline-flex;align-items:center;gap:8px;width:max-content;
  background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.42);
  padding:7px 16px;border-radius:18px;font-size:15px;font-weight:600;}
.hero-card .badge .badge-ic{width:24px;height:24px;object-fit:contain;display:block;flex:none;}
.hero-card .htitle{font-size:54px;font-weight:700;color:#fff;line-height:1.1;letter-spacing:1.5px;
  text-shadow:0 4px 10px rgba(0,0,0,.25);}
.hero-card .hsub{font-size:20px;color:rgba(255,255,255,.92);line-height:1.5;}
.flow-tag{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:14px;}
.flow-tag .ts{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.36);padding:9px 16px;border-radius:16px;font-size:15px;font-weight:600;}
.flow-tag .ts.done{background:linear-gradient(135deg,#1AAE7C,#2BD0A0);border-color:rgba(255,255,255,.5);
  box-shadow:0 4px 12px rgba(0,120,80,.4);}
.flow-tag .arr{color:rgba(255,255,255,.7);font-size:18px;font-weight:600;}
.hero-cta{display:inline-flex;align-items:center;gap:14px;background:#fff;color:#7628D6;
  border-radius:30px;font-size:24px;font-weight:700;padding:22px 50px;
  box-shadow:0 18px 38px rgba(0,0,0,.4);margin-top:30px;position:relative;overflow:hidden;}
.hero-cta::before{content:"";position:absolute;inset:0;border-radius:inherit;
  background:linear-gradient(105deg,rgba(255,255,255,.6),transparent 40%);pointer-events:none;}
.hero-cta .play{width:36px;height:36px;border-radius:50%;background:#7628D6;color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;}

.book-bg{position:absolute;inset:0;background:
  radial-gradient(60% 70% at 78% 8%,rgba(62,120,255,.45) 0%,transparent 60%),
  radial-gradient(50% 60% at 8% 92%,rgba(255,126,180,.35) 0%,transparent 70%);}
.book-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px;}
.book-head h1{font-size:46px;font-weight:700;letter-spacing:1.5px;
  background:linear-gradient(180deg,#fff,#A8C2FF);-webkit-background-clip:text;background-clip:text;color:transparent;}
.book-head .pickbtn{display:flex;align-items:center;gap:10px;padding:18px 32px;border-radius:28px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.25);font-size:18px;font-weight:600;
  cursor:pointer;transition:all .3s;}
.book-head .pickbtn:hover{background:rgba(255,255,255,.20);}
.curr-book{display:grid;grid-template-columns:300px 1fr;gap:32px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-lg);padding:30px;backdrop-filter:blur(12px);}
.curr-book .cover{aspect-ratio:3/4;border-radius:var(--r-md);
  background:linear-gradient(140deg,#1B5BD8,#3E78FF);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  box-shadow:0 18px 40px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.3);}
.curr-book .cover .ttl{font-size:36px;color:#fff;font-weight:700;letter-spacing:2px;text-align:center;}
.curr-book .cover .ttl small{font-size:18px;font-weight:400;opacity:.85;display:block;margin-top:6px;letter-spacing:4px;}
.curr-book .cover .grade{display:flex;gap:6px;}
.curr-book .cover .grade span{background:rgba(255,255,255,.22);padding:6px 14px;border-radius:14px;font-size:15px;font-weight:500;}
.curr-book .meta{display:flex;flex-direction:column;gap:18px;justify-content:center;}
.curr-book .meta h2{font-size:34px;font-weight:700;}
.curr-book .meta .info{display:flex;gap:34px;}
.curr-book .meta .info .it{display:flex;flex-direction:column;gap:6px;}
.curr-book .meta .info .it .k{font-size:14px;color:var(--ink-mute);letter-spacing:1px;}
.curr-book .meta .info .it .v{font-size:30px;font-weight:700;}
.curr-book .progress{display:flex;flex-direction:column;gap:10px;}
.curr-book .progress .pbar{height:14px;background:rgba(255,255,255,.12);border-radius:7px;overflow:hidden;}
.curr-book .progress .pbar .pfill{height:100%;
  background:linear-gradient(90deg,#3E78FF,#FFA0C7);border-radius:7px;width:62%;}
.curr-book .progress .plabel{display:flex;justify-content:space-between;font-size:14px;color:var(--ink-mute);}
.unit-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:16px;margin-top:30px;}
.unit-cell{aspect-ratio:1.2;border-radius:20px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);padding:14px 16px;cursor:pointer;transition:all .25s;
  display:flex;flex-direction:column;justify-content:space-between;}
.unit-cell:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.unit-cell.done{background:linear-gradient(140deg,#1AAE7C,#2BD0A0);border-color:rgba(255,255,255,.4);}
.unit-cell.curr{background:linear-gradient(140deg,#FF9F45,#FFC077);border-color:rgba(255,255,255,.4);
  box-shadow:0 12px 30px rgba(255,140,40,.45);}
.unit-cell .unum{font-size:18px;font-weight:600;color:var(--ink-mute);}
.unit-cell.done .unum,.unit-cell.curr .unum{color:#fff;}
.unit-cell .utxt{font-size:22px;font-weight:700;}
.unit-cell .ustate{font-size:13px;color:var(--ink-mute);margin-top:2px;}
.unit-cell.done .ustate,.unit-cell.curr .ustate{color:rgba(255,255,255,.85);}

.train-bg{position:absolute;inset:0;background:
  radial-gradient(55% 50% at 50% 0%,rgba(62,120,255,.45) 0%,transparent 65%),
  radial-gradient(40% 50% at 100% 50%,rgba(123,108,246,.4) 0%,transparent 65%),
  radial-gradient(40% 40% at 0% 60%,rgba(255,126,180,.3) 0%,transparent 65%);}
.train-head{margin-bottom:24px;}
.train-head h1{font-size:52px;font-weight:700;letter-spacing:2px;
  background:linear-gradient(180deg,#fff 0%,#A8C2FF 100%);-webkit-background-clip:text;background-clip:text;color:transparent;}
.train-head .sub{font-size:20px;color:var(--ink-soft);margin-top:10px;letter-spacing:1px;}
.train-grid{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:236px;gap:24px;
  height:calc(100vh - 350px);max-height:660px;}
.t-big{grid-column:span 2;grid-row:span 3;border-radius:var(--r-lg);padding:30px;
  position:relative;overflow:hidden;cursor:pointer;
  background:linear-gradient(160deg,#1B5BD8 0%,#3E78FF 60%,#9C7CF6 100%);
  box-shadow:0 24px 50px rgba(7,18,60,.55);transition:transform .35s;}
.t-big:hover{transform:translateY(-6px);}
.t-big .read-ill{position:absolute;right:-30px;bottom:-10px;width:380px;height:380px;z-index:1;}
.t-big .read-ill img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 30px 60px rgba(0,0,0,.55));}
.t-big .rbadge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.42);padding:8px 18px;border-radius:18px;
  font-size:15px;font-weight:600;}
.t-big .rtitle{font-size:42px;font-weight:700;color:#fff;line-height:1.1;margin-top:18px;letter-spacing:1.5px;
  text-shadow:0 4px 12px rgba(0,0,0,.3);}
.t-big .rsub{font-size:18px;color:rgba(255,255,255,.88);margin-top:12px;line-height:1.5;}
.t-big .enter-btn{display:inline-flex;align-items:center;gap:10px;
  background:#fff;color:#1B5BD8;border-radius:24px;padding:14px 32px;
  font-size:18px;font-weight:700;margin-top:24px;box-shadow:0 14px 28px rgba(0,0,0,.35);}
.t-main{grid-row:span 2;padding:24px;position:relative;overflow:hidden;}
.t-main .m-ill{position:absolute;right:-10px;bottom:-30px;width:160px;height:160px;z-index:1;
  filter:drop-shadow(0 18px 30px rgba(0,0,0,.4));}
.t-main .m-ill img{width:100%;height:100%;object-fit:contain;}
.t-main .mt{font-size:28px;font-weight:700;color:#fff;letter-spacing:1px;text-shadow:0 2px 6px rgba(0,0,0,.18);}
.t-main .ms{font-size:15px;color:rgba(255,255,255,.82);margin-top:8px;line-height:1.4;}
.t-main .mtag{display:inline-flex;gap:8px;margin-top:14px;font-size:13px;background:rgba(255,255,255,.20);
  border:1px solid rgba(255,255,255,.42);padding:5px 12px;border-radius:14px;color:#fff;}
.t-sub{grid-column:span 1;grid-row:span 1;padding:18px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  border-radius:24px;display:flex;flex-direction:column;gap:10px;cursor:pointer;transition:all .3s;
  backdrop-filter:blur(8px);}
.t-sub:hover{background:rgba(255,255,255,.18);transform:translateY(-4px);}
.t-sub .sic{width:46px;height:46px;border-radius:14px;
  background:linear-gradient(135deg,#fff3,#fff1);display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.3);}
.t-sub .sic img{width:78%;height:78%;object-fit:contain;}
.t-sub .sname{font-size:18px;font-weight:600;}
.t-sub .sdesc{font-size:13px;color:var(--ink-mute);}

.report-bg{position:absolute;inset:0;background:
  radial-gradient(45% 50% at 30% 20%,rgba(255,154,69,.4) 0%,transparent 65%),
  radial-gradient(45% 50% at 78% 75%,rgba(77,216,182,.35) 0%,transparent 65%);}
.report-head h1{font-size:46px;font-weight:700;letter-spacing:1.5px;}
.report-head .sub{font-size:18px;color:var(--ink-soft);margin-top:8px;}
.report-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:30px 0;}
.stat-card{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-lg);padding:28px;backdrop-filter:blur(8px);}
.stat-card .ic{width:60px;height:60px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#3E78FF,#1B5BD8);margin-bottom:14px;}
.stat-card .ic img{width:80%;height:80%;object-fit:contain;}
.stat-card .num{font-size:56px;font-weight:700;letter-spacing:1px;line-height:1;}
.stat-card .lbl{font-size:17px;color:var(--ink-mute);margin-top:8px;}
.chart-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-lg);padding:30px;backdrop-filter:blur(8px);}
.chart-card h3{font-size:24px;font-weight:700;margin-bottom:18px;}
.bars{display:flex;align-items:stretch;gap:18px;height:220px;padding-top:20px;}
.bar-col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:8px;height:100%;}
.bar-col .bar{width:100%;height:200px;border-radius:12px 12px 4px 4px;position:relative;overflow:hidden;background:rgba(255,255,255,.06);}
.bar-col .bar .fill{position:absolute;bottom:0;left:0;right:0;border-radius:12px 12px 4px 4px;
  background:linear-gradient(180deg,#FFA0C7,#7B6CF6);}
.bar-col .day{font-size:15px;color:var(--ink-mute);}

.mine-bg{position:absolute;inset:0;background:
  radial-gradient(50% 60% at 80% 30%,rgba(155,124,246,.4) 0%,transparent 65%),
  radial-gradient(45% 55% at 12% 80%,rgba(62,120,255,.35) 0%,transparent 70%);}
.mine-hero{display:flex;align-items:center;gap:36px;margin-bottom:36px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-lg);padding:36px 44px;backdrop-filter:blur(12px);}
.mine-hero .av{width:140px;height:140px;border-radius:50%;
  background:linear-gradient(140deg,#FFA0C7,#9C7CF6);
  display:flex;align-items:center;justify-content:center;font-size:72px;font-weight:700;color:#fff;}
.mine-hero .info{display:flex;flex-direction:column;gap:8px;}
.mine-hero .info .nm{font-size:42px;font-weight:700;}
.mine-hero .info .gr{font-size:18px;color:var(--ink-mute);}
.mine-hero .info .vip{display:inline-flex;align-items:center;gap:6px;
  background:linear-gradient(90deg,#FFD45E,#FF9F45);color:#5E3100;font-weight:700;
  padding:6px 16px;border-radius:18px;font-size:14px;width:max-content;}
.mine-set{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.set-row{display:flex;align-items:center;gap:22px;padding:24px 32px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:24px;cursor:pointer;transition:all .3s;backdrop-filter:blur(8px);}
.set-row:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.set-row .ic{width:60px;height:60px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#3E78FF,#1B5BD8);}
.set-row .ic img{width:80%;height:80%;object-fit:contain;}
.set-row .lb{flex:1;font-size:22px;font-weight:600;}
.set-row .arrow{font-size:26px;color:var(--ink-mute);}

/* ============ v1.4 内容重构层（真实功能、重要放大、删虚构） ============ */
.home-head{margin-bottom:18px;}
.hstats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:22px;}
.hst{display:flex;align-items:center;gap:16px;padding:18px 22px;border-radius:22px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(8px);}
.hst .ic{width:52px;height:52px;border-radius:15px;flex:none;
  background:linear-gradient(140deg,#3E78FF,#1B5BD8);display:flex;align-items:center;justify-content:center;}
.hst .ic.g1{background:linear-gradient(140deg,#4DD8B6,#1AAE7C);}
.hst .ic.g2{background:linear-gradient(140deg,#FF9F45,#FF6F61);}
.hst .ic.g3{background:linear-gradient(140deg,#9C7CF6,#7B6CF6);}
.hst .ic img{width:62%;height:62%;object-fit:contain;}
.hst .tx{display:flex;flex-direction:column;gap:2px;}
.hst .tx .v{font-size:32px;font-weight:700;line-height:1;letter-spacing:.5px;}
.hst .tx .k{font-size:14px;color:var(--ink-mute);}
.home-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:278px;gap:24px;}
.card.mini{padding:24px 22px;display:flex;flex-direction:column;}
.card.mini .title{font-size:30px;}
.card.mini .sub{font-size:16px;line-height:1.45;}
.card.mini .ctag{position:relative;z-index:2;display:inline-flex;align-items:center;gap:6px;width:max-content;
  background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.4);
  padding:6px 14px;border-radius:15px;font-size:13px;font-weight:600;margin-top:14px;}
.card.mini .illust{width:150px;height:150px;right:-8px;bottom:-6px;}
.card.mini .gbtn{position:relative;z-index:2;display:inline-flex;align-items:center;gap:6px;width:max-content;margin-top:auto;
  background:#fff;border-radius:18px;padding:9px 20px;font-size:15px;font-weight:700;color:#1452A8;
  box-shadow:0 10px 22px rgba(0,0,0,.28);}
.tasks{grid-column:span 1;grid-row:span 2;border-radius:var(--r-lg);padding:26px 28px;position:relative;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(10px);display:flex;flex-direction:column;overflow:hidden;}
.tasks .t-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.tasks .t-head .tt{font-size:26px;font-weight:700;letter-spacing:.5px;}
.tasks .t-head .tc{font-size:14px;color:var(--ink-mute);background:rgba(255,255,255,.12);
  padding:5px 14px;border-radius:14px;}
.task-row{display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:18px;cursor:pointer;
  transition:background .25s;border:1px solid transparent;}
.task-row:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.12);}
.task-row .td{width:46px;height:46px;border-radius:14px;flex:none;display:flex;align-items:center;justify-content:center;}
.task-row .td img{width:62%;height:62%;object-fit:contain;}
.task-row .tn{flex:1;font-size:22px;font-weight:600;line-height:1.15;}
.task-row .tds{font-size:13px;color:var(--ink-mute);}
.task-row .tstate{font-size:14px;font-weight:700;padding:7px 16px;border-radius:16px;flex:none;}
.task-row .tstate.done{background:linear-gradient(135deg,#1AAE7C,#2BD0A0);box-shadow:0 6px 16px rgba(26,174,124,.35);}
.task-row .tstate.todo{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);}
/* 课本页 */
.curr-book{grid-template-columns:210px 1fr;padding:22px 26px;}
.unit-grid{grid-template-columns:repeat(10,1fr);gap:16px;margin-top:26px;}
.unit-cell{height:226px;border-radius:22px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);padding:18px 14px;cursor:pointer;transition:all .25s;
  display:flex;flex-direction:column;justify-content:space-between;}
.unit-cell .unum{font-size:15px;font-weight:600;color:var(--ink-mute);}
.unit-cell.done .unum,.unit-cell.curr .unum{color:rgba(255,255,255,.9);}
.unit-cell .utxt{font-size:20px;font-weight:700;line-height:1.2;}
.unit-cell .ucnt{font-size:12px;color:var(--ink-mute);}
.unit-cell.done .ucnt,.unit-cell.curr .ucnt{color:rgba(255,255,255,.75);}
.unit-cell .uprog{height:7px;border-radius:4px;background:rgba(255,255,255,.14);overflow:hidden;}
.unit-cell .uprog i{display:block;height:100%;border-radius:4px;background:rgba(255,255,255,.9);}
.unit-cell.curr{background:linear-gradient(140deg,#FF9F45,#FFC077);border-color:rgba(255,255,255,.45);
  box-shadow:0 14px 32px rgba(255,140,40,.42);}
.unit-cell.curr .uprog i{background:#fff;}
.unit-cell.done{background:linear-gradient(140deg,#1AAE7C,#2BD0A0);border-color:rgba(255,255,255,.4);}
.unit-cell .ustate{font-size:13px;color:var(--ink-mute);}
.unit-cell.done .ustate,.unit-cell.curr .ustate{color:rgba(255,255,255,.92);}
/* 学习中心：词/句/口 = 核心大卡；期末/高频 = 中卡；错题/专注/记忆/指法 = 次入口 */
.train-head{margin-bottom:20px;}
.train-grid{display:grid;grid-template-columns:repeat(6,1fr);
  grid-template-rows:300px 172px 150px;gap:24px;height:auto;max-height:none;}
.core{grid-column:span 2;border-radius:var(--r-lg);padding:24px 28px;position:relative;overflow:hidden;cursor:pointer;
  box-shadow:var(--shadow-card);transition:transform .35s;display:flex;flex-direction:column;}
.core:hover{transform:translateY(-5px);}
.core .ct{font-size:34px;font-weight:700;letter-spacing:1px;color:#fff;text-shadow:0 3px 8px rgba(0,0,0,.2);position:relative;z-index:2;}
.core .cs{font-size:16px;color:rgba(255,255,255,.88);margin-top:8px;line-height:1.5;position:relative;z-index:2;}
.core .chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;position:relative;z-index:2;}
.core .chip{font-size:13px;font-weight:600;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.4);
  padding:6px 13px;border-radius:15px;color:#fff;}
.core .cgo{position:relative;z-index:2;display:inline-flex;align-items:center;gap:8px;width:max-content;
  background:#fff;color:#1452A8;border-radius:20px;padding:10px 22px;font-size:15px;font-weight:700;
  box-shadow:0 12px 26px rgba(0,0,0,.3);margin-top:14px;}
.core .c-ill{position:absolute;right:-14px;bottom:-8px;width:190px;height:190px;z-index:1;
  filter:drop-shadow(0 20px 34px rgba(0,0,0,.4));}
.core .c-ill img{width:100%;height:100%;object-fit:contain;}
.mid{grid-column:span 2;border-radius:var(--r-lg);padding:18px 26px;position:relative;overflow:hidden;cursor:pointer;
  box-shadow:var(--shadow-card);transition:transform .3s;display:flex;align-items:center;gap:20px;}
.mid:hover{transform:translateY(-4px);}
.mid .mi{width:104px;height:104px;flex:none;filter:drop-shadow(0 14px 24px rgba(0,0,0,.35));}
.mid .mi img{width:100%;height:100%;object-fit:contain;}
.mid .mb{flex:1;position:relative;z-index:2;}
.mid .mt{font-size:30px;font-weight:700;letter-spacing:.5px;text-shadow:0 2px 6px rgba(0,0,0,.18);}
.mid .ms{font-size:15px;color:rgba(255,255,255,.9);margin-top:6px;}
.mid .mg{display:inline-flex;gap:8px;margin-top:10px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);padding:5px 13px;border-radius:14px;}
.mid .mar{font-size:26px;color:#fff;opacity:.9;margin-left:6px;}
.sub-grid{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.t-sub2{border-radius:26px;padding:20px 24px;background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;gap:18px;cursor:pointer;
  backdrop-filter:blur(8px);transition:all .3s;overflow:hidden;}
.t-sub2:hover{background:rgba(255,255,255,.17);transform:translateY(-4px);}
.t-sub2 .sic{width:66px;height:66px;border-radius:18px;flex:none;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#3E78FF,#1B5BD8);box-shadow:0 10px 22px rgba(0,0,0,.25);}
.t-sub2 .sic img{width:68%;height:68%;object-fit:contain;}
.t-sub2 .sb{flex:1;min-width:0;}
.t-sub2 .sn{font-size:21px;font-weight:700;}
.t-sub2 .sd{font-size:13px;color:var(--ink-mute);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.t-sub2 .sg{color:#fff;font-size:16px;flex:none;}
/* 报告页 */
.report-stats{grid-template-columns:repeat(4,1fr);margin:20px 0 24px;}
.report-stats .stat-card{padding:22px 26px;display:flex;align-items:center;gap:18px;}
.report-stats .stat-card .ic{margin:0;}
.report-stats .stat-card .num{font-size:44px;}
.report-stats .stat-card .lbl{margin-top:4px;}
.report-body{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch;}
.chart-card h3{font-size:22px;margin-bottom:6px;}
.bars{gap:14px;}
.bar-col{position:relative;}
.bar-col .bval{position:absolute;top:0;left:0;right:0;text-align:center;font-size:13px;color:var(--ink-soft);}
.ch-foot{display:flex;gap:12px;margin-top:18px;}
.ch-foot span{font-size:14px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  padding:7px 16px;border-radius:15px;color:var(--ink-soft);}
.ch-foot b{color:#fff;font-size:15px;}
.list-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:26px 28px;backdrop-filter:blur(8px);display:flex;flex-direction:column;}
.list-card h3{font-size:22px;font-weight:700;margin-bottom:16px;}
.rec-row{display:flex;align-items:center;gap:14px;padding:11px 4px;border-bottom:1px solid rgba(255,255,255,.08);}
.rec-row:last-child{border-bottom:none;}
.rec-row .ri{width:42px;height:42px;border-radius:12px;flex:none;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#3E78FF,#1B5BD8);}
.rec-row .ri img{width:62%;height:62%;object-fit:contain;}
.rec-row .rb{flex:1;min-width:0;}
.rec-row .rn{font-size:18px;font-weight:600;}
.rec-row .rm{font-size:12px;color:var(--ink-mute);margin-top:2px;}
.rec-row .rs{font-size:20px;font-weight:700;color:#FFD45E;text-align:right;}
.rec-row .rt{font-size:12px;color:var(--ink-mute);text-align:right;margin-top:2px;}
.rec-more{margin-top:14px;padding:12px;text-align:center;border-radius:16px;font-size:16px;font-weight:600;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);cursor:pointer;}
.rec-more:hover{background:rgba(255,255,255,.18);}
.wrong-bar{margin-top:24px;border-radius:var(--r-lg);padding:24px 34px;display:flex;align-items:center;gap:24px;
  background:linear-gradient(140deg,#FF6F61,#FF9F45);box-shadow:var(--shadow-card);cursor:pointer;
  transition:transform .3s;overflow:hidden;position:relative;}
.wrong-bar:hover{transform:translateY(-4px);}
.wrong-bar .wic{width:84px;height:84px;border-radius:22px;flex:none;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.4);}
.wrong-bar .wic img{width:64%;height:64%;object-fit:contain;}
.wrong-bar .wt2{font-size:30px;font-weight:700;}
.wrong-bar .ws{font-size:15px;color:rgba(255,255,255,.92);margin-top:6px;}
.wrong-bar .wgo{margin-left:auto;flex:none;background:#fff;color:#D84B3E;border-radius:22px;padding:14px 34px;
  font-size:18px;font-weight:700;box-shadow:0 14px 30px rgba(0,0,0,.28);}
/* 我的页 */
.mine-hero{display:flex;align-items:center;gap:30px;margin-bottom:20px;padding:24px 40px;}
.mine-hero .av{width:120px;height:auto;flex:none;display:flex;flex-direction:column;align-items:center;gap:8px;}
.mine-hero .av img{width:110px;height:110px;object-fit:contain;border-radius:50%;
  background:linear-gradient(140deg,#FFA0C7,#9C7CF6);padding:14px;box-shadow:0 14px 30px rgba(0,0,0,.35);}
.mine-hero .av .acap{font-size:13px;color:var(--ink-mute);}
.mine-hero .info{flex:1;}
.mine-hero .chips{display:flex;gap:12px;margin-top:12px;flex-wrap:wrap;}
.mine-hero .chip2{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);border-radius:16px;padding:7px 16px;font-size:15px;font-weight:600;}
.mine-hero .chip2 b{color:#FFD45E;font-size:17px;}
.avatar-cap{position:absolute;bottom:6px;left:50%;transform:translateX(-50%);}
.lvl-row{display:flex;align-items:center;gap:26px;padding:20px 34px;margin-bottom:20px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:26px;backdrop-filter:blur(8px);}
.lvl-row .lv-lb{font-size:17px;color:var(--ink-mute);flex:none;}
.lvl-row .lv-bar{flex:1;height:12px;background:rgba(255,255,255,.12);border-radius:7px;overflow:hidden;}
.lvl-row .lv-bar i{display:block;height:100%;width:80%;border-radius:7px;
  background:linear-gradient(90deg,#FFD45E,#FF9F45);}
.lvl-row .lv-tx{font-size:16px;color:var(--ink-soft);flex:none;}
.lvl-row .lv-badges{display:flex;gap:10px;flex:none;}
.lvl-row .lv-badges span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  padding:6px 14px;border-radius:14px;font-size:14px;}
.set-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:16px;}
.set-row{padding:18px 22px;border-radius:22px;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.15);display:flex;align-items:center;gap:16px;cursor:pointer;transition:all .3s;}
.set-row:hover{background:rgba(255,255,255,.15);transform:translateY(-2px);}
.set-row .ic{width:46px;height:46px;border-radius:13px;flex:none;display:flex;align-items:center;justify-content:center;}
.set-row .ic svg{width:58%;height:58%;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.set-row .ic img{width:64%;height:64%;object-fit:contain;}
.set-row .lb{flex:1;font-size:20px;font-weight:600;}
.set-row .val{font-size:15px;color:var(--ink-mute);}
.set-row .arrow{font-size:22px;color:var(--ink-mute);}
.logout{width:100%;display:flex;align-items:center;justify-content:center;gap:12px;padding:18px;
  border-radius:22px;background:rgba(255,77,77,.14);border:1px solid rgba(255,99,99,.35);
  color:#FF9B8A;font-size:20px;font-weight:700;cursor:pointer;transition:all .3s;}
.logout:hover{background:rgba(255,77,77,.24);}

/* ============ v1.4 内容重构层（真实功能、重要放大、删虚构） ============ */
.home-head{margin-bottom:18px;}
.hstats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:22px;}
.hst{display:flex;align-items:center;gap:16px;padding:18px 22px;border-radius:22px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(8px);}
.hst .ic{width:52px;height:52px;border-radius:15px;flex:none;
  background:linear-gradient(140deg,#3E78FF,#1B5BD8);display:flex;align-items:center;justify-content:center;}
.hst .ic.g1{background:linear-gradient(140deg,#4DD8B6,#1AAE7C);}
.hst .ic.g2{background:linear-gradient(140deg,#FF9F45,#FF6F61);}
.hst .ic.g3{background:linear-gradient(140deg,#9C7CF6,#7B6CF6);}
.hst .ic img{width:62%;height:62%;object-fit:contain;}
.hst .tx{display:flex;flex-direction:column;gap:2px;}
.hst .tx .v{font-size:32px;font-weight:700;line-height:1;letter-spacing:.5px;}
.hst .tx .k{font-size:14px;color:var(--ink-mute);}
.home-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:278px;gap:24px;}
.card.mini{padding:24px 22px;display:flex;flex-direction:column;}
.card.mini .title{font-size:30px;}
.card.mini .sub{font-size:16px;line-height:1.45;}
.card.mini .ctag{position:relative;z-index:2;display:inline-flex;align-items:center;gap:6px;width:max-content;
  background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.4);
  padding:6px 14px;border-radius:15px;font-size:13px;font-weight:600;margin-top:14px;}
.card.mini .illust{width:150px;height:150px;right:-8px;bottom:-6px;}
.card.mini .gbtn{position:relative;z-index:2;display:inline-flex;align-items:center;gap:6px;width:max-content;margin-top:auto;
  background:#fff;border-radius:18px;padding:9px 20px;font-size:15px;font-weight:700;color:#1452A8;
  box-shadow:0 10px 22px rgba(0,0,0,.28);}
.tasks{grid-column:span 1;grid-row:span 2;border-radius:var(--r-lg);padding:26px 28px;position:relative;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(10px);display:flex;flex-direction:column;overflow:hidden;}
.tasks .t-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.tasks .t-head .tt{font-size:26px;font-weight:700;letter-spacing:.5px;}
.tasks .t-head .tc{font-size:14px;color:var(--ink-mute);background:rgba(255,255,255,.12);
  padding:5px 14px;border-radius:14px;}
.task-row{display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:18px;cursor:pointer;
  transition:background .25s;border:1px solid transparent;}
.task-row:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.12);}
.task-row .td{width:46px;height:46px;border-radius:14px;flex:none;display:flex;align-items:center;justify-content:center;}
.task-row .td img{width:62%;height:62%;object-fit:contain;}
.task-row .tn{flex:1;font-size:22px;font-weight:600;line-height:1.15;}
.task-row .tds{font-size:13px;color:var(--ink-mute);}
.task-row .tstate{font-size:14px;font-weight:700;padding:7px 16px;border-radius:16px;flex:none;}
.task-row .tstate.done{background:linear-gradient(135deg,#1AAE7C,#2BD0A0);box-shadow:0 6px 16px rgba(26,174,124,.35);}
.task-row .tstate.todo{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);}
/* 课本页 */
.curr-book{grid-template-columns:210px 1fr;padding:22px 26px;}
.unit-grid{grid-template-columns:repeat(10,1fr);gap:16px;margin-top:26px;}
.unit-cell{min-width:0;height:226px;border-radius:22px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);padding:18px 14px;cursor:pointer;transition:all .25s;
  display:flex;flex-direction:column;justify-content:space-between;}
.unit-cell .unum{font-size:15px;font-weight:600;color:var(--ink-mute);}
.unit-cell.done .unum,.unit-cell.curr .unum{color:rgba(255,255,255,.9);}
.unit-cell .utxt{font-size:20px;font-weight:700;line-height:1.2;}
.unit-cell .ucnt{font-size:12px;color:var(--ink-mute);}
.unit-cell.done .ucnt,.unit-cell.curr .ucnt{color:rgba(255,255,255,.75);}
.unit-cell .uprog{height:7px;border-radius:4px;background:rgba(255,255,255,.14);overflow:hidden;}
.unit-cell .uprog i{display:block;height:100%;border-radius:4px;background:rgba(255,255,255,.9);}
.unit-cell.curr{background:linear-gradient(140deg,#FF9F45,#FFC077);border-color:rgba(255,255,255,.45);
  box-shadow:0 14px 32px rgba(255,140,40,.42);}
.unit-cell.curr .uprog i{background:#fff;}
.unit-cell.done{background:linear-gradient(140deg,#1AAE7C,#2BD0A0);border-color:rgba(255,255,255,.4);}
.unit-cell .ustate{font-size:13px;color:var(--ink-mute);}
.unit-cell.done .ustate,.unit-cell.curr .ustate{color:rgba(255,255,255,.92);}
/* 学习中心：词/句/口 = 核心大卡；期末/高频 = 中卡；错题/专注/记忆/指法 = 次入口 */
.train-head{margin-bottom:20px;}
.train-grid{display:grid;grid-template-columns:repeat(6,1fr);
  grid-template-rows:300px 172px 150px;gap:24px;height:auto;max-height:none;}
.core{grid-column:span 2;border-radius:var(--r-lg);padding:24px 28px;position:relative;overflow:hidden;cursor:pointer;
  box-shadow:var(--shadow-card);transition:transform .35s;display:flex;flex-direction:column;}
.core:hover{transform:translateY(-5px);}
.core .ct{font-size:34px;font-weight:700;letter-spacing:1px;color:#fff;text-shadow:0 3px 8px rgba(0,0,0,.2);position:relative;z-index:2;}
.core .cs{font-size:16px;color:rgba(255,255,255,.88);margin-top:8px;line-height:1.5;position:relative;z-index:2;}
.core .chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;position:relative;z-index:2;}
.core .chip{font-size:13px;font-weight:600;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.4);
  padding:6px 13px;border-radius:15px;color:#fff;}
.core .cgo{position:relative;z-index:2;display:inline-flex;align-items:center;gap:8px;width:max-content;
  background:#fff;color:#1452A8;border-radius:20px;padding:10px 22px;font-size:15px;font-weight:700;
  box-shadow:0 12px 26px rgba(0,0,0,.3);margin-top:14px;}
.core .c-ill{position:absolute;right:-14px;bottom:-8px;width:190px;height:190px;z-index:1;
  filter:drop-shadow(0 20px 34px rgba(0,0,0,.4));}
.core .c-ill img{width:100%;height:100%;object-fit:contain;}
.mid{grid-column:span 2;border-radius:var(--r-lg);padding:18px 26px;position:relative;overflow:hidden;cursor:pointer;
  box-shadow:var(--shadow-card);transition:transform .3s;display:flex;align-items:center;gap:20px;}
.mid:hover{transform:translateY(-4px);}
.mid .mi{width:104px;height:104px;flex:none;filter:drop-shadow(0 14px 24px rgba(0,0,0,.35));}
.mid .mi img{width:100%;height:100%;object-fit:contain;}
.mid .mb{flex:1;position:relative;z-index:2;}
.mid .mt{font-size:30px;font-weight:700;letter-spacing:.5px;text-shadow:0 2px 6px rgba(0,0,0,.18);}
.mid .ms{font-size:15px;color:rgba(255,255,255,.9);margin-top:6px;}
.mid .mg{display:inline-flex;gap:8px;margin-top:10px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);padding:5px 13px;border-radius:14px;}
.mid .mar{font-size:26px;color:#fff;opacity:.9;margin-left:6px;}
.sub-grid{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.t-sub2{border-radius:26px;padding:20px 24px;background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;gap:18px;cursor:pointer;
  backdrop-filter:blur(8px);transition:all .3s;overflow:hidden;}
.t-sub2:hover{background:rgba(255,255,255,.17);transform:translateY(-4px);}
.t-sub2 .sic{width:66px;height:66px;border-radius:18px;flex:none;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#3E78FF,#1B5BD8);box-shadow:0 10px 22px rgba(0,0,0,.25);}
.t-sub2 .sic img{width:68%;height:68%;object-fit:contain;}
.t-sub2 .sb{flex:1;min-width:0;}
.t-sub2 .sn{font-size:21px;font-weight:700;}
.t-sub2 .sd{font-size:13px;color:var(--ink-mute);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.t-sub2 .sg{color:#fff;font-size:16px;flex:none;}
/* 报告页 */
.report-stats{grid-template-columns:repeat(4,1fr);margin:20px 0 24px;}
.report-stats .stat-card{padding:22px 26px;display:flex;align-items:center;gap:18px;}
.report-stats .stat-card .ic{margin:0;}
.report-stats .stat-card .num{font-size:44px;}
.report-stats .stat-card .lbl{margin-top:4px;}
.report-body{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch;}
.chart-card h3{font-size:22px;margin-bottom:6px;}
.bars{gap:14px;}
.bar-col{position:relative;}
.bar-col .bval{position:absolute;top:0;left:0;right:0;text-align:center;font-size:13px;color:var(--ink-soft);}
.ch-foot{display:flex;gap:12px;margin-top:18px;}
.ch-foot span{font-size:14px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  padding:7px 16px;border-radius:15px;color:var(--ink-soft);}
.ch-foot b{color:#fff;font-size:15px;}
.list-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:26px 28px;backdrop-filter:blur(8px);display:flex;flex-direction:column;}
.list-card h3{font-size:22px;font-weight:700;margin-bottom:16px;}
.rec-row{display:flex;align-items:center;gap:14px;padding:11px 4px;border-bottom:1px solid rgba(255,255,255,.08);}
.rec-row:last-child{border-bottom:none;}
.rec-row .ri{width:42px;height:42px;border-radius:12px;flex:none;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#3E78FF,#1B5BD8);}
.rec-row .ri img{width:62%;height:62%;object-fit:contain;}
.rec-row .rb{flex:1;min-width:0;}
.rec-row .rn{font-size:18px;font-weight:600;}
.rec-row .rm{font-size:12px;color:var(--ink-mute);margin-top:2px;}
.rec-row .rs{font-size:20px;font-weight:700;color:#FFD45E;text-align:right;}
.rec-row .rt{font-size:12px;color:var(--ink-mute);text-align:right;margin-top:2px;}
.rec-more{margin-top:14px;padding:12px;text-align:center;border-radius:16px;font-size:16px;font-weight:600;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);cursor:pointer;}
.rec-more:hover{background:rgba(255,255,255,.18);}
.wrong-bar{margin-top:24px;border-radius:var(--r-lg);padding:24px 34px;display:flex;align-items:center;gap:24px;
  background:linear-gradient(140deg,#FF6F61,#FF9F45);box-shadow:var(--shadow-card);cursor:pointer;
  transition:transform .3s;overflow:hidden;position:relative;}
.wrong-bar:hover{transform:translateY(-4px);}
.wrong-bar .wic{width:84px;height:84px;border-radius:22px;flex:none;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.4);}
.wrong-bar .wic img{width:64%;height:64%;object-fit:contain;}
.wrong-bar .wt2{font-size:30px;font-weight:700;}
.wrong-bar .ws{font-size:15px;color:rgba(255,255,255,.92);margin-top:6px;}
.wrong-bar .wgo{margin-left:auto;flex:none;background:#fff;color:#D84B3E;border-radius:22px;padding:14px 34px;
  font-size:18px;font-weight:700;box-shadow:0 14px 30px rgba(0,0,0,.28);}
/* 我的页 */
.mine-hero{display:flex;align-items:center;gap:30px;margin-bottom:20px;padding:24px 40px;}
.mine-hero .av{width:120px;height:auto;flex:none;display:flex;flex-direction:column;align-items:center;gap:8px;}
.mine-hero .av img{width:110px;height:110px;object-fit:contain;border-radius:50%;
  background:linear-gradient(140deg,#FFA0C7,#9C7CF6);padding:14px;box-shadow:0 14px 30px rgba(0,0,0,.35);}
.mine-hero .av .acap{font-size:14px;color:#fff;font-weight:600;}
.mine-hero .info{flex:1;}
.mine-hero .chips{display:flex;gap:12px;margin-top:12px;flex-wrap:wrap;}
.mine-hero .chip2{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);border-radius:16px;padding:7px 16px;font-size:15px;font-weight:600;}
.mine-hero .chip2 b{color:#FFD45E;font-size:17px;}
.avatar-cap{position:absolute;bottom:6px;left:50%;transform:translateX(-50%);}
.lvl-row{display:flex;align-items:center;gap:26px;padding:20px 34px;margin-bottom:20px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:26px;backdrop-filter:blur(8px);}
.lvl-row .lv-lb{font-size:17px;color:var(--ink-mute);flex:none;}
.lvl-row .lv-bar{flex:1;height:12px;background:rgba(255,255,255,.12);border-radius:7px;overflow:hidden;}
.lvl-row .lv-bar i{display:block;height:100%;width:80%;border-radius:7px;
  background:linear-gradient(90deg,#FFD45E,#FF9F45);}
.lvl-row .lv-tx{font-size:16px;color:var(--ink-soft);flex:none;}
.lvl-row .lv-badges{display:flex;gap:10px;flex:none;}
.lvl-row .lv-badges span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  padding:6px 14px;border-radius:14px;font-size:14px;}
.set-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:16px;}
.set-row{padding:18px 22px;border-radius:22px;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.15);display:flex;align-items:center;gap:16px;cursor:pointer;transition:all .3s;}
.set-row:hover{background:rgba(255,255,255,.15);transform:translateY(-2px);}
.set-row .ic{width:46px;height:46px;border-radius:13px;flex:none;display:flex;align-items:center;justify-content:center;}
.set-row .ic svg{width:58%;height:58%;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.set-row .ic img{width:64%;height:64%;object-fit:contain;}
.set-row .lb{flex:1;font-size:20px;font-weight:600;}
.set-row .val{font-size:15px;color:var(--ink-mute);}
.set-row .arrow{font-size:22px;color:var(--ink-mute);}
.logout{width:100%;display:flex;align-items:center;justify-content:center;gap:12px;padding:18px;
  border-radius:22px;background:rgba(255,77,77,.14);border:1px solid rgba(255,99,99,.35);
  color:#FF9B8A;font-size:20px;font-weight:700;cursor:pointer;transition:all .3s;}
.logout:hover{background:rgba(255,77,77,.24);}


/* ================= v1.5 工程层（学习机 App 壳 · P3 数据化） ================= */
/* 舞台等比 fit（网页满屏 / 学习机 1:1 同一画布） */
#stage{width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;
  background:radial-gradient(80% 90% at 50% 110%,#0B1A4A 0%,#05091F 100%);}
#canvas1920{width:1920px;height:1080px;position:relative;overflow:hidden;flex:none;
  background:radial-gradient(60% 80% at 75% 5%,#1B5BD8 0%,transparent 60%),
    radial-gradient(45% 65% at 10% 80%,#1E4FC9 0%,transparent 70%);
  box-shadow:0 30px 90px rgba(0,0,0,.55);}
#view-login,#view-main{position:absolute;inset:0;}


/* ---------- 登录 / 欢迎页（学习机·平板风格：整屏 + 居中玻璃卡 + 吉祥物） ---------- */
.login-wrap{position:absolute;inset:0;overflow:hidden;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;
  background:
    radial-gradient(52% 62% at 82% 10%,#1B5BD8 0%,transparent 55%),
    radial-gradient(46% 58% at 8% 88%,#7B3FE4 0%,transparent 58%),
    radial-gradient(130% 100% at 50% 100%,#0B1A4A 0%,#060B22 100%);}
.login-box{position:relative;width:780px;padding:46px 66px 52px;border-radius:52px;text-align:center;
  display:flex;flex-direction:column;align-items:center;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.22);
  box-shadow:0 44px 120px rgba(0,0,0,.62),inset 0 1px 0 rgba(255,255,255,.18);
  backdrop-filter:blur(26px);-webkit-backdrop-filter:blur(26px);}
.login-brand-logo{display:none;height:84px;max-width:200px;object-fit:contain;
  filter:drop-shadow(0 8px 18px rgba(0,0,0,.4));}
.login-brand{display:flex;align-items:center;justify-content:center;gap:18px;margin-bottom:2px;}
.login-box .lg-name{font-size:58px;font-weight:800;letter-spacing:6px;
  background:linear-gradient(180deg,#fff,#B9D2FF);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;}
.login-box .lg-dev{margin-top:10px;display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
  padding:8px 22px;border-radius:22px;font-size:16px;letter-spacing:3px;color:var(--ink-soft);}
.login-box .lg-form{width:100%;margin-top:38px;display:flex;flex-direction:column;align-items:center;}
.inp{width:100%;display:flex;align-items:center;gap:16px;height:78px;padding:0 26px;
  background:rgba(6,14,44,.55);border:1.5px solid rgba(255,255,255,.2);border-radius:24px;
  margin-bottom:20px;transition:all .25s;}
.inp:focus-within{border-color:#3E78FF;box-shadow:0 0 0 4px rgba(62,120,255,.22);background:rgba(10,24,70,.7);}
.inp svg{width:26px;height:26px;stroke:rgba(255,255,255,.65);fill:none;stroke-width:1.8;flex:none;}
.inp input{flex:1;background:none;border:none;outline:none;font-size:22px;color:#fff;letter-spacing:2px;}
.inp input::placeholder{color:rgba(255,255,255,.32);letter-spacing:1px;}
.btn-primary{width:100%;height:84px;border:none;border-radius:26px;cursor:pointer;
  font-size:26px;font-weight:800;letter-spacing:8px;text-indent:8px;color:#fff;
  background:linear-gradient(120deg,#3E78FF,#1B5BD8);
  box-shadow:0 18px 44px rgba(62,120,255,.5),inset 0 1px 0 rgba(255,255,255,.35);
  transition:all .25s;margin-top:6px;display:flex;align-items:center;justify-content:center;}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 24px 54px rgba(62,120,255,.66);}
.btn-primary:disabled{opacity:.55;transform:none;cursor:wait;}
.btn-demo{width:100%;height:66px;border-radius:22px;cursor:pointer;font-size:18px;font-weight:600;letter-spacing:3px;
  color:var(--ink-soft);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);
  margin-top:16px;transition:all .25s;display:flex;align-items:center;justify-content:center;gap:10px;}
.btn-demo:hover{background:rgba(255,255,255,.15);}
.login-err{display:none;width:100%;align-items:center;justify-content:center;gap:10px;margin-top:4px;
  padding:14px 18px;border-radius:16px;background:rgba(255,77,77,.16);
  border:1px solid rgba(255,99,99,.4);color:#FFB4A8;font-size:16px;}
.login-err.on{display:flex;}
.lg-ver{font-size:14px;color:var(--ink-mute);opacity:.6;letter-spacing:1px;margin-top:6px;}
/* 左上角：实时时间 + 日期（JS tick 每 30s 更新） */
.login-corner-tl{position:absolute;top:38px;left:60px;z-index:5;pointer-events:none;color:#fff;line-height:1.15;}
.login-corner-tl .ctime{font-size:38px;font-weight:700;letter-spacing:1px;text-shadow:0 2px 8px rgba(0,0,0,.4);}
.login-corner-tl .cdate{font-size:15px;color:rgba(255,255,255,.62);margin-top:6px;letter-spacing:1.5px;}
/* 右上角：版本 + 在线状态（学习机常驻运行，默认显示在线） */
.login-corner-tr{position:absolute;top:46px;right:60px;z-index:5;pointer-events:none;display:flex;align-items:center;gap:10px;
  color:#fff;font-size:16px;letter-spacing:1.5px;text-shadow:0 2px 8px rgba(0,0,0,.4);}
.login-corner-tr .cdot{display:inline-block;width:9px;height:9px;border-radius:50%;background:#1FE07A;box-shadow:0 0 10px rgba(31,224,122,.8);}
.login-corner-tr .cver{color:rgba(255,255,255,.85);font-weight:600;}
.login-corner-tr .csep{color:rgba(255,255,255,.32);}
.login-corner-tr .cstate{color:rgba(255,255,255,.85);}

/* ---------- 训练/详情弹层 & 通用 ---------- */
.overlay{position:fixed;inset:0;background:rgba(4,8,28,.7);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;z-index:100;}
.dlg{background:linear-gradient(165deg,#12276B,#0B1A4A);border:1px solid rgba(255,255,255,.2);
  border-radius:34px;box-shadow:0 40px 100px rgba(0,0,0,.6);padding:44px 52px;max-width:900px;width:92%;max-height:86vh;overflow:auto;}
.dlg h3{font-size:32px;font-weight:800;margin-bottom:8px;display:flex;align-items:center;gap:12px;}
.dlg .dsub{font-size:16px;color:var(--ink-mute);margin-bottom:24px;}
.dlg-options{display:flex;flex-direction:column;gap:16px;}
.opt-row{display:flex;align-items:center;gap:18px;padding:18px 26px;border-radius:20px;cursor:pointer;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);transition:all .25s;position:relative;}
.opt-row:hover{background:rgba(255,255,255,.13);transform:translateX(4px);}
.opt-row .oi{width:56px;height:56px;border-radius:16px;flex:none;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#3E78FF,#1B5BD8);}
.opt-row .oi img{width:66%;height:66%;object-fit:contain;}
.opt-row .ot{font-size:22px;font-weight:700;}
.opt-row .os{font-size:14px;color:var(--ink-mute);margin-top:3px;}
.opt-row .go{margin-left:auto;color:var(--ink-mute);font-size:24px;}
.dlg-btns{display:flex;gap:14px;justify-content:flex-end;margin-top:30px;}
.btn-mini{padding:14px 30px;border-radius:16px;font-size:17px;font-weight:700;cursor:pointer;border:none;}
.btn-mini.ok{background:linear-gradient(120deg,#3E78FF,#1B5BD8);color:#fff;}
.btn-mini.ghost{background:rgba(255,255,255,.1);color:var(--ink-soft);border:1px solid rgba(255,255,255,.2);}
.btn-mini.danger{background:rgba(255,77,77,.2);color:#FF9B8A;border:1px solid rgba(255,99,99,.4);}
.toast{position:fixed;top:120px;left:50%;transform:translateX(-50%) translateY(-20px);z-index:200;
  background:rgba(10,22,60,.96);border:1px solid rgba(255,255,255,.25);padding:16px 34px;border-radius:20px;
  font-size:18px;font-weight:600;box-shadow:0 20px 60px rgba(0,0,0,.5);opacity:0;pointer-events:none;
  transition:all .3s;display:flex;align-items:center;gap:12px;}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0);}
.toast.ok{border-color:rgba(77,216,182,.6);}
.toast.bad{border-color:rgba(255,99,99,.6);}
.page-inner{height:100%;overflow-y:auto;padding-right:6px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.2) transparent;}
.page-inner::-webkit-scrollbar{width:6px;}
.page-inner::-webkit-scrollbar-thumb{background:rgba(255,255,255,.2);border-radius:3px;}
.hide{display:none!important;}

/* ---------- v1.5 补充（封面图 / 顶栏系统状态 / 题量选项 / 角标） ---------- */
.curr-book .cover.has-img{padding:0;overflow:hidden;background:#fff;}
.curr-book .cover.has-img img{width:100%;height:100%;object-fit:cover;border-radius:inherit;}
.tb-sys{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  opacity:.75;margin-left:-6px;}
.tb-sys svg{width:24px;height:24px;stroke:rgba(255,255,255,.9);fill:none;stroke-width:1.7;stroke-linecap:round;}
.tb-sys .batt-fill{fill:rgba(255,255,255,.9);stroke:none;}
.tb-bell{position:relative;}
.bell-dot{position:absolute;top:9px;right:11px;width:11px;height:11px;border-radius:50%;background:#FF4D4D;
  box-shadow:0 0 0 3px rgba(11,26,74,.95);z-index:2;}
.paging-opt{flex:1;height:120px;border-radius:24px;cursor:pointer;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;background:rgba(255,255,255,.07);
  border:2px solid rgba(255,255,255,.18);transition:all .25s;font-family:inherit;}
.paging-opt b{font-size:40px;font-weight:800;color:var(--ink);}
.paging-opt span{font-size:14px;color:var(--ink-mute);}
.paging-opt:hover{background:rgba(62,120,255,.18);}
.paging-opt.on{background:linear-gradient(140deg,#3E78FF,#1B5BD8);border-color:rgba(255,255,255,.6);
  box-shadow:0 14px 34px rgba(62,120,255,.45);}
.paging-opt.on span,.paging-opt.on b{color:#fff;}

/* ---------- M2 补充（课本真实数据 / 课本书架 / 空态） ---------- */
.gr-line{font-size:16px;color:var(--ink-soft);margin-top:8px;letter-spacing:.5px;}
.empty-tip{grid-column:1/-1;text-align:center;padding:44px 0;color:var(--ink-mute);font-size:19px;border:1.5px dashed rgba(255,255,255,.18);border-radius:22px;background:rgba(255,255,255,.04);}
.rec-empty{text-align:center;color:var(--ink-mute);padding:34px 0;line-height:1.9;font-size:17px;}
.shelf-body{max-height:62vh;overflow:auto;padding-right:8px;}
.sb-group{font-size:17px;font-weight:700;color:var(--ink);margin:18px 0 10px;display:flex;align-items:center;gap:10px;}
.sb-n{font-size:13px;color:var(--ink-mute);font-weight:600;background:rgba(255,255,255,.1);border-radius:12px;padding:2px 12px;}
.tb-row{display:flex;align-items:center;gap:18px;padding:13px 18px;border-radius:18px;cursor:pointer;
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);margin-bottom:10px;transition:all .22s;}
.tb-row:hover{background:rgba(62,120,255,.15);border-color:rgba(255,255,255,.3);transform:translateX(3px);}
.tb-thumb{width:56px;height:72px;flex:none;border-radius:8px;overflow:hidden;background:linear-gradient(150deg,#2A4BD7,#7B3FE4);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px rgba(0,0,0,.3);}
.tb-thumb img{width:100%;height:100%;object-fit:cover;}
.tb-thumb .tb-ph{font-size:13px;font-weight:800;color:#fff;text-align:center;line-height:1.3;letter-spacing:2px;}
.tb-meta{flex:1;min-width:0;}
.tb-name{font-size:19px;font-weight:700;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.tb-sub{font-size:13.5px;color:var(--ink-mute);margin-top:4px;}
.tb-go{font-size:15px;color:var(--ink-soft);flex:none;background:rgba(255,255,255,.1);padding:8px 18px;border-radius:14px;font-weight:600;}
.pick-chip{width:calc(33.33% - 12px);box-sizing:border-box;padding:18px 20px;border-radius:18px;cursor:pointer;text-align:center;
  background:rgba(255,255,255,.07);border:1.5px solid rgba(255,255,255,.16);transition:all .22s;}
.pick-chip:hover{background:linear-gradient(140deg,#3E78FF,#1B5BD8);border-color:rgba(255,255,255,.5);transform:translateY(-3px);}
.pick-chip .pc-t{font-size:18px;font-weight:800;color:var(--ink);}
.pick-chip:hover .pc-t{color:#fff;}
.pick-chip .pc-s{font-size:13px;color:var(--ink-mute);margin-top:5px;}
.pick-chip:hover .pc-s{color:rgba(255,255,255,.8);}
/* ================= M3 训练执行舞台（全屏 1080p，深色大厂风延续） ================= */
#xt-stage{position:absolute;inset:0;z-index:60;display:flex;flex-direction:column;
  background:
    radial-gradient(60% 80% at 75% 5%,#1B5BD8 0%,transparent 60%),
    radial-gradient(45% 65% at 10% 85%,#7B3FE4 0%,transparent 65%),
    radial-gradient(120% 100% at 50% 110%,#0B1A4A 0%,#060B22 100%);
  animation:fadeUp .35s ease both;}
#xt-stage .xt-loading{position:absolute;inset:0;display:flex;flex-direction:column;gap:18px;align-items:center;justify-content:center;
  color:var(--ink-soft);font-size:20px;letter-spacing:2px;}
#xt-stage .xt-loading .sp{width:64px;height:64px;border-radius:50%;border:5px solid rgba(255,255,255,.14);border-top-color:#4D8BFF;
  animation:spin 1s linear infinite;}
@keyframes spin{to{transform:rotate(360deg)}}
/* ---------- 训练头部 ---------- */
.xt-head{height:96px;flex:none;display:flex;align-items:center;gap:24px;padding:0 56px;position:relative;
  background:linear-gradient(180deg,rgba(7,18,60,.55),transparent);}
.xt-back{width:64px;height:64px;border-radius:20px;cursor:pointer;flex:none;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);transition:all .22s;}
.xt-back:hover{background:rgba(255,255,255,.18);}
.xt-back svg{width:26px;height:26px;stroke:#fff;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.xt-crumb{font-size:16px;color:var(--ink-mute);letter-spacing:.5px;display:flex;align-items:center;gap:10px;flex:none;}
.xt-crumb b{color:var(--ink-soft);}
.xt-title{font-size:30px;font-weight:800;letter-spacing:1px;display:flex;align-items:center;gap:16px;}
.xt-title .tt-ic{width:52px;height:52px;flex:none;}
.xt-title .tt-ic img{width:100%;height:100%;object-fit:contain;}
.xt-title .tt-sub{font-size:16px;color:var(--ink-mute);font-weight:600;margin-top:2px;}
.xt-mid{flex:1;min-width:0;}
.xt-head-right{margin-left:auto;display:flex;align-items:center;gap:20px;}
.xt-timer{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  padding:10px 22px;border-radius:18px;font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;}
.xt-timer svg{width:22px;height:22px;stroke:rgba(255,255,255,.75);fill:none;stroke-width:1.8;}
.xt-exit{width:64px;height:64px;border-radius:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  background:rgba(255,77,77,.16);border:1px solid rgba(255,99,99,.35);color:#FF9B8A;font-size:17px;font-weight:700;transition:all .22s;}
.xt-exit:hover{background:rgba(255,77,77,.32);}
/* ---------- 训练主体滚动区 ---------- */
.xt-body{flex:1;min-height:0;overflow-y:auto;padding:26px 72px 40px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.2) transparent;}
.xt-body::-webkit-scrollbar{width:8px;}
.xt-body::-webkit-scrollbar-thumb{background:rgba(255,255,255,.2);border-radius:4px;}
/* ---------- 选择单元（setup） ---------- */
.xt-setup-h{font-size:26px;font-weight:800;margin:14px 2px 6px;display:flex;align-items:center;gap:14px;}
.xt-setup-h small{font-size:15px;color:var(--ink-mute);font-weight:600;}
.xt-unit-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(264px,1fr));gap:18px;margin-top:14px;}
.xt-unit{background:rgba(255,255,255,.065);border:1.5px solid rgba(255,255,255,.14);border-radius:24px;padding:22px 24px;
  cursor:pointer;transition:all .25s;position:relative;overflow:hidden;}
.xt-unit:hover{background:linear-gradient(150deg,rgba(62,120,255,.28),rgba(123,63,228,.22));border-color:rgba(255,255,255,.38);
  transform:translateY(-3px);}
.xt-unit .u-no{font-size:14px;color:var(--ink-mute);letter-spacing:1px;}
.xt-unit .u-t{font-size:21px;font-weight:800;margin-top:6px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.xt-unit .u-meta{margin-top:12px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.xt-unit .u-meta span{font-size:12.5px;color:var(--ink-soft);background:rgba(255,255,255,.1);padding:3px 12px;border-radius:12px;}
.xt-unit .u-go{margin-top:14px;font-size:15px;font-weight:700;color:#7FA8FF;}
.xt-unit.whole{background:linear-gradient(140deg,rgba(123,63,228,.4),rgba(62,120,255,.32));border-color:rgba(255,255,255,.32);}
/* ---------- 模式选择（modes） ---------- */
.xt-modes{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:22px;}
.xt-mode{background:rgba(255,255,255,.07);border:1.5px solid rgba(255,255,255,.15);border-radius:28px;padding:30px 26px 26px;
  cursor:pointer;transition:all .28s;position:relative;overflow:hidden;text-align:left;}
.xt-mode:hover{transform:translateY(-5px);border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.12);
  box-shadow:0 22px 48px rgba(0,0,0,.42);}
.xt-mode .md-no{position:absolute;top:20px;right:24px;font-size:15px;font-weight:800;color:rgba(255,255,255,.28);letter-spacing:1px;}
.xt-mode .md-ic{width:92px;height:92px;border-radius:24px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  background:linear-gradient(140deg,#3E78FF,#1B5BD8);box-shadow:0 14px 30px rgba(30,80,255,.3);}
.xt-mode:nth-child(2) .md-ic{background:linear-gradient(140deg,#7B6CF6,#A89AFF);}
.xt-mode:nth-child(3) .md-ic{background:linear-gradient(140deg,#FF9F45,#FFC077);}
.xt-mode:nth-child(4) .md-ic{background:linear-gradient(140deg,#4DD8B6,#1AAE7C);}
.xt-mode .md-ic img{width:60%;height:60%;object-fit:contain;}
.xt-mode .md-t{font-size:26px;font-weight:800;}
.xt-mode .md-d{font-size:15px;color:var(--ink-mute);line-height:1.6;margin-top:8px;min-height:48px;}
.xt-mode .md-st{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:14px;font-weight:700;color:#7FA8FF;}
.xt-mode.locked{opacity:.5;cursor:not-allowed;filter:saturate(.4);}
.xt-mode.locked .md-st{color:var(--ink-mute);}
.xt-mode .md-lock{position:absolute;inset:0;background:rgba(8,16,44,.45);backdrop-filter:blur(2px);display:flex;align-items:center;
  justify-content:center;font-size:20px;font-weight:800;color:var(--ink-mute);letter-spacing:3px;}
.xt-grpbar{margin-top:24px;display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.13);border-radius:20px;padding:14px 22px;flex-wrap:wrap;}
.xt-grpbar .gb-l{font-size:16px;color:var(--ink-soft);font-weight:600;}
.xt-grpbar .gb-chips{display:flex;gap:10px;flex-wrap:wrap;}
.xt-grpbar .gb-chip{width:44px;height:44px;border-radius:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;background:rgba(255,255,255,.09);border:1.5px solid rgba(255,255,255,.2);transition:all .2s;}
.xt-grpbar .gb-chip:hover{background:rgba(62,120,255,.3);}
.xt-grpbar .gb-chip.on{background:linear-gradient(140deg,#3E78FF,#1B5BD8);border-color:#fff;box-shadow:0 8px 20px rgba(62,120,255,.4);}
.xt-grpbar .gb-note{margin-left:auto;font-size:14px;color:var(--ink-mute);}
/* ---------- 题目播放（play） ---------- */
.xt-play{height:100%;display:flex;flex-direction:column;}
.xt-progress{display:flex;align-items:center;gap:22px;margin-bottom:8px;}
.xt-progress .pbar{flex:1;height:10px;border-radius:6px;background:rgba(255,255,255,.1);overflow:hidden;}
.xt-progress .pbar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,#3E78FF,#7B6CF6);transition:width .3s;}
.xt-progress .pmeta{font-size:15px;color:var(--ink-mute);font-variant-numeric:tabular-nums;white-space:nowrap;}
.xt-progress .pstat{display:flex;gap:14px;align-items:center;font-size:15px;font-weight:700;}
.xt-progress .pstat .ok{color:#4DD8B6;} .xt-progress .pstat .no{color:#FF6F61;}
.xt-quiz{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:34px;
  background:rgba(255,255,255,.055);border:1.5px solid rgba(255,255,255,.14);border-radius:36px;margin-top:14px;padding:40px 80px;
  position:relative;min-height:0;}
.xt-stem{display:flex;align-items:center;gap:26px;flex-wrap:wrap;justify-content:center;}
.xt-speak{width:88px;height:88px;border-radius:50%;cursor:pointer;flex:none;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,#3E78FF,#1B5BD8);border:1px solid rgba(255,255,255,.35);
  box-shadow:0 16px 36px rgba(62,120,255,.45),inset 0 1px 0 rgba(255,255,255,.4);transition:all .2s;}
.xt-speak:hover{transform:scale(1.06);}
.xt-speak:active{transform:scale(.95);}
.xt-speak.playing{animation:pulse 1s ease infinite;}
@keyframes pulse{0%,100%{box-shadow:0 16px 36px rgba(62,120,255,.45)}50%{box-shadow:0 16px 44px rgba(62,120,255,.85)}}
.xt-speak svg{width:40px;height:40px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.xt-en{font-size:66px;font-weight:800;letter-spacing:1px;line-height:1.25;text-align:center;word-break:break-all;max-width:900px;}
.xt-zh{font-size:44px;font-weight:700;color:#FFD9A0;text-align:center;line-height:1.4;max-width:860px;}
.xt-pos{display:inline-block;font-size:18px;color:#9CC0FF;background:rgba(62,120,255,.2);padding:3px 16px;border-radius:12px;
  font-weight:700;vertical-align:middle;margin-right:8px;}
.xt-choices{display:grid;grid-template-columns:1fr 1fr;gap:20px;width:100%;max-width:1180px;}
.xt-choice{padding:26px 30px;border-radius:22px;cursor:pointer;font-size:26px;font-weight:700;text-align:center;
  background:rgba(255,255,255,.07);border:2px solid rgba(255,255,255,.2);transition:all .2s;display:flex;align-items:center;justify-content:center;
  min-height:92px;line-height:1.4;}
.xt-choice:hover{background:rgba(62,120,255,.2);border-color:#5C8CFF;transform:translateY(-2px);}
.xt-choice .ci{width:44px;height:44px;border-radius:12px;flex:none;display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;color:#fff;background:rgba(255,255,255,.16);margin-right:18px;}
.xt-choice.right{background:rgba(77,216,182,.22)!important;border-color:#4DD8B6!important;color:#7FF0D4;}
.xt-choice.wrong{background:rgba(255,77,77,.22)!important;border-color:#FF6F61!important;color:#FFB4A8;}
.xt-choice.dim{opacity:.4;pointer-events:none;}
.xt-choice.disabled{pointer-events:none;}
.xt-feedback{margin-top:6px;font-size:19px;font-weight:700;min-height:30px;}
.xt-feedback .fk-ok{color:#4DD8B6;} .xt-feedback .fk-no{color:#FF6F61;}
/* 键入题型 */
.xt-type{display:flex;flex-direction:column;gap:26px;align-items:center;width:100%;max-width:1080px;}
.xt-type .tt-hint{font-size:17px;color:var(--ink-mute);}
.xt-type-input{width:100%;display:flex;align-items:center;gap:16px;background:rgba(6,14,44,.6);
  border:2px solid rgba(255,255,255,.24);border-radius:24px;padding:0 28px;height:92px;transition:all .25s;}
.xt-type-input:focus-within{border-color:#3E78FF;box-shadow:0 0 0 5px rgba(62,120,255,.25);}
.xt-type-input input{flex:1;background:none;border:none;outline:none;color:#fff;font-size:38px;letter-spacing:2px;font-weight:600;
  caret-color:#7FA8FF;}
.xt-type-input .caret{color:var(--ink-mute);font-size:20px;}
.xt-type-btns{display:flex;gap:18px;width:100%;}
.xt-btn{flex:1;height:84px;border-radius:22px;cursor:pointer;font-size:22px;font-weight:800;border:none;letter-spacing:2px;
  transition:all .22s;display:flex;align-items:center;justify-content:center;gap:12px;}
.xt-btn svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2;}
.xt-btn.primary{background:linear-gradient(120deg,#3E78FF,#1B5BD8);color:#fff;box-shadow:0 14px 34px rgba(62,120,255,.4);}
.xt-btn.primary:hover{transform:translateY(-2px);}
.xt-btn.primary:disabled{opacity:.5;transform:none;cursor:not-allowed;}
.xt-btn.ghost{background:rgba(255,255,255,.08);color:var(--ink-soft);border:1.5px solid rgba(255,255,255,.2);}
.xt-btn.ghost:hover{background:rgba(255,255,255,.16);}
.xt-btn.small{flex:none;height:64px;padding:0 34px;font-size:18px;}
.xt-done-ok{display:flex;flex-direction:column;align-items:center;gap:12px;font-size:30px;font-weight:800;color:#4DD8B6;}
.xt-done-bad{display:flex;flex-direction:column;align-items:center;gap:12px;font-size:30px;font-weight:800;color:#FF6F61;}
.xt-next-tip{font-size:20px;font-weight:700;color:var(--ink);animation:fadeUp .4s ease both;}
/* ---------- 结算（done） ---------- */
.xt-done{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;text-align:center;}
.xt-done .card-wrap{width:min(900px,92%);background:rgba(255,255,255,.07);border:1.5px solid rgba(255,255,255,.16);
  border-radius:40px;padding:52px 60px 44px;box-shadow:0 34px 90px rgba(0,0,0,.4);}
.xt-score-ring{width:210px;height:210px;margin:6px auto 20px;border-radius:50%;display:flex;flex-direction:column;align-items:center;
  justify-content:center;position:relative;}
.xt-score-ring::before{content:'';position:absolute;inset:14px;border-radius:50%;background:#0B1A4A;}
.xt-score-ring .sv{position:relative;z-index:1;font-size:64px;font-weight:800;line-height:1;}
.xt-score-ring .su{position:relative;z-index:1;font-size:17px;color:var(--ink-mute);margin-top:4px;letter-spacing:3px;}
.xt-done h2{font-size:38px;font-weight:800;}
.xt-done .dscore{font-size:20px;color:var(--ink-mute);}
.xt-done-stats{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin:8px 0 6px;}
.xt-ds{padding:16px 30px;border-radius:20px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);min-width:150px;}
.xt-ds b{display:block;font-size:34px;font-weight:800;}
.xt-ds span{font-size:14px;color:var(--ink-mute);}
.xt-ds.ok b{color:#4DD8B6;} .xt-ds.no b{color:#FF6F61;} .xt-ds.time b{color:#FFD45E;} .xt-ds.beans b{color:#FFC077;}
.xt-done-btns{display:flex;gap:18px;justify-content:center;margin-top:26px;}
.xt-done .wrong-look{margin-top:8px;font-size:15px;color:var(--ink-mute);}
/* 结算后错题回顾 */
.xt-wronglist{margin:14px auto 0;width:min(760px,100%);text-align:left;max-height:300px;overflow-y:auto;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:6px 22px;}
.xt-wronglist .wl-row{display:flex;gap:14px;padding:12px 4px;border-bottom:1px dashed rgba(255,255,255,.1);align-items:center;}
.xt-wronglist .wl-row:last-child{border-bottom:none;}
.xt-wronglist .e{font-weight:800;font-size:18px;flex:none;min-width:160px;}
.xt-wronglist .z{color:var(--ink-mute);font-size:15px;flex:1;}
.xt-wronglist .u{font-size:15px;color:#FFB4A8;flex:none;}
/* 键盘聚焦键盘图 */
.xt-kbd-hint{margin-top:auto;padding-top:10px;display:flex;justify-content:center;gap:8px;flex-wrap:wrap;opacity:.75;}
.xt-kbd-hint .k{width:52px;height:52px;border-radius:12px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;color:#CDE0FF;}
.xt-kbd-hint .k.space{width:300px;}
/* toast（训练内） */
.xt-toast{position:absolute;top:130px;left:50%;transform:translateX(-50%);z-index:80;padding:16px 36px;border-radius:20px;
  background:rgba(10,22,60,.96);border:1px solid rgba(255,255,255,.28);font-size:19px;font-weight:700;color:#fff;
  box-shadow:0 18px 50px rgba(0,0,0,.5);animation:fadeUp .3s ease both;pointer-events:none;}
.xt-toast.bad{border-color:rgba(255,99,99,.7);color:#FFB4A8;}
/* demo 提示层 */
.xt-demo-tip{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;z-index:5;
  background:rgba(5,10,32,.72);backdrop-filter:blur(8px);}