/* ============ 百句雅思 · 复刻不背单词风格 ============ */
:root{
  --bg:#f6f5f1; --bg2:#efece5; --card:#ffffff; --card2:#faf9f6;
  --ink:#20202a; --ink2:#6e6f7a; --ink3:#a3a4ad;
  --line:#e8e6df; --line2:#f1efe9;
  --accent:#ff5a3c; --accent-deep:#e64525; --accent-soft:#ffede8; --accent-glow:rgba(255,90,60,.16);
  --good:#2fc98f; --good-soft:#e4f8ef;
  --meh:#f5a623; --meh-soft:#fdf3e0;
  --bad:#e5484d; --bad-soft:#fce9ea;
  --blue:#3b82d9; --blue-soft:#e8f1fb;
  --shadow:0 6px 24px rgba(28,26,20,.07); --shadow-sm:0 2px 10px rgba(28,26,20,.05);
  --radius:20px; --radius-sm:14px;
  --font-display:"Arial Rounded MT Bold","SF Pro Rounded","Baloo 2","Nunito","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
  --tab-h:60px; --topbar-h:56px;
}
[data-theme="dark"]{
  --bg:#151519; --bg2:#1b1b21; --card:#1e1e25; --card2:#23232b;
  --ink:#f1f1f5; --ink2:#a9aab4; --ink3:#63646e;
  --line:#2c2c34; --line2:#26262e;
  --accent:#ff6b4d; --accent-deep:#ff7d63; --accent-soft:#3a1e18; --accent-glow:rgba(255,107,77,.2);
  --good:#34d399; --good-soft:#0f2c22;
  --meh:#fbbf24; --meh-soft:#2f2513;
  --bad:#f07174; --bad-soft:#331a1c;
  --blue:#5b9bf0; --blue-soft:#16283f;
  --shadow:0 6px 24px rgba(0,0,0,.35); --shadow-sm:0 2px 10px rgba(0,0,0,.3);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--ink);font-size:15px;line-height:1.55;
  overflow-x:hidden;transition:background .3s,color .3s}
::selection{background:var(--accent-glow)}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit}
input{font-family:inherit;color:inherit}
a{color:inherit;text-decoration:none}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
::-webkit-scrollbar-track{background:transparent}

/* ---------- 图标 ---------- */
.ic{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ic-sm{width:16px;height:16px}
.ic-lg{width:26px;height:26px}

/* ---------- 布局 ---------- */
#app{display:flex;min-height:100vh}
#sidebar{width:232px;flex:none;background:var(--card);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:20px 14px;position:sticky;top:0;height:100vh}
#main{flex:1;min-width:0;display:flex;flex-direction:column}
#topbar{height:var(--topbar-h);display:flex;align-items:center;justify-content:space-between;
  padding:0 22px;position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
#topbar-title{font-size:17px;font-weight:700;letter-spacing:.3px}
.topbar-right{display:flex;align-items:center;gap:10px}
.sync-entry{max-width:132px;overflow:hidden;text-overflow:ellipsis;min-height:38px;padding:0 12px;white-space:nowrap;border:1px solid var(--line2);border-radius:12px;background:var(--card);color:var(--accent-deep);font:inherit;font-size:13px;font-weight:600;cursor:pointer}
.sync-entry:hover{border-color:var(--accent)}
.sync-entry:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.streak{display:flex;align-items:center;gap:5px;background:var(--accent-soft);color:var(--accent-deep);
  padding:5px 12px 5px 9px;border-radius:999px;font-size:14px;font-weight:700}
.streak .ic{width:16px;height:16px}
.streak .streak-ic{width:18px;height:18px;object-fit:contain}
#views{flex:1;padding:14px 22px 40px;max-width:960px;width:100%;margin:0 auto}
.view{display:none;animation:fadeUp .35s ease}
.view.active{display:block}

/* ---------- 侧边栏 ---------- */
.logo{display:flex;align-items:center;gap:12px;padding:6px 8px 18px}
.logo-badge{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--accent),#ff8a5c);
  color:#fff;font-family:var(--font-display);font-size:17px;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px var(--accent-glow);position:relative}
.logo-flame{position:absolute;right:-7px;top:-9px;width:26px;height:26px;object-fit:contain;
  filter:drop-shadow(0 2px 4px rgba(120,40,10,.25))}
/* 底部 tab 彩色图标 */
.tab .ic{width:22px;height:22px;transition:transform .2s}
.logo-text b{font-size:16px;display:block;line-height:1.2}
.logo-text small{color:var(--ink3);font-size:11.5px}
#side-nav{display:flex;flex-direction:column;gap:4px;flex:1}
.nav-item{display:flex;align-items:center;gap:11px;padding:11px 14px;border-radius:13px;color:var(--ink2);
  font-size:14.5px;font-weight:600;transition:all .2s;position:relative}
.nav-item:hover{background:var(--bg2);color:var(--ink)}
.nav-item.active{background:var(--accent-soft);color:var(--accent-deep)}
.nav-item .ic{width:19px;height:19px}
.nav-ic{width:20px;height:20px;object-fit:contain;flex:none;opacity:.78;transition:opacity .2s, transform .2s}
.nav-item.active .nav-ic{opacity:1;transform:scale(1.06)}
.tab .nav-ic{width:23px;height:23px;opacity:.72}
.tab.active .nav-ic{opacity:1;transform:translateY(-1px) scale(1.08)}
.btn-ic-img{width:20px;height:20px;object-fit:contain;display:block}
.btn-inline-ic{width:19px;height:19px;object-fit:contain;flex:none}
.logo-star{position:absolute;right:-8px;top:-10px;width:27px;height:27px;object-fit:contain;
  filter:drop-shadow(0 2px 4px rgba(120,40,10,.22))}
.badge-dot{position:absolute;right:12px;top:50%;transform:translateY(-50%);min-width:18px;height:18px;border-radius:9px;
  background:var(--accent);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 5px;font-style:normal}
.side-plan{background:var(--bg2);border-radius:var(--radius-sm);padding:14px;margin-top:14px}
.side-plan-head{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:700;margin-bottom:9px}
.side-plan-head .ic{width:15px;height:15px;color:var(--accent)}
.side-plan-head b{margin-left:auto;color:var(--accent-deep);font-size:12.5px}
.side-plan small{color:var(--ink3);font-size:11.5px}
.bar{height:7px;background:var(--line);border-radius:4px;overflow:hidden;margin-bottom:7px}
.bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--accent),#ff8a5c);transition:width .5s ease}
.side-foot{display:flex;align-items:center;gap:7px;color:var(--ink3);font-size:11.5px;padding:14px 8px 2px}
.side-foot .ic{width:13px;height:13px}

/* ---------- 底部导航(手机) ---------- */
#tabbar{display:none;position:fixed;left:0;right:0;bottom:0;height:var(--tab-h);z-index:50;
  background:color-mix(in srgb,var(--card) 88%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--ink3);
  font-size:11px;font-weight:600;position:relative;transition:color .2s}
.tab .ic{width:22px;height:22px;transition:transform .2s}
.tab.active{color:var(--accent-deep)}
.tab.active .ic{transform:translateY(-1px) scale(1.08)}
.tab .badge-dot{position:absolute;top:6px;right:calc(50% - 24px)}

/* ---------- 通用组件 ---------- */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--line2);padding:18px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:999px;
  font-size:15px;font-weight:700;transition:all .18s;user-select:none}
.btn:active{transform:scale(.96)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px var(--accent-glow)}
.btn-primary:hover{background:var(--accent-deep)}
.btn-soft{background:var(--accent-soft);color:var(--accent-deep)}
.btn-ghost{background:var(--bg2);color:var(--ink)}
.btn-block{width:100%}
.btn-lg{padding:14px 26px;font-size:16px}
.btn:disabled{opacity:.45;pointer-events:none}
.icon-btn{width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink2);background:var(--card);border:1px solid var(--line);transition:all .2s}
.icon-btn:hover{color:var(--accent-deep);border-color:var(--accent)}
.icon-btn .ic{width:18px;height:18px}
.chip{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--bg2);color:var(--ink2);transition:all .15s;cursor:pointer;border:1px solid transparent}
.chip:hover{color:var(--ink)}
.chip.on{background:var(--accent-soft);color:var(--accent-deep);border-color:var(--accent)}
.chip .ic{width:13px;height:13px}
.empty-state{text-align:center;padding:50px 20px;color:var(--ink3)}
.empty-state .ic{width:46px;height:46px;opacity:.5;margin-bottom:12px}
.empty-state b{display:block;font-size:16px;color:var(--ink2);margin-bottom:4px}
.hint{color:var(--ink3);font-size:12px}

/* 进度环 */
.ring-wrap{position:relative;width:96px;height:96px;flex:none}
.ring-wrap svg{transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:var(--line);stroke-width:9}
.ring-fg{fill:none;stroke:url(#ring-grad);stroke-width:9;stroke-linecap:round;transition:stroke-dashoffset .6s ease}
.ring-txt{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring-txt b{font-family:var(--font-display);font-size:22px;line-height:1}
.ring-txt small{font-size:10.5px;color:var(--ink3)}

/* ---------- 氛围轮播 Hero ---------- */
.hero-carousel{position:relative;height:clamp(330px, 60vw, 430px);border-radius:26px;overflow:hidden;
  margin-bottom:14px;box-shadow:0 16px 36px rgba(28,26,20,.16);background:#e7dccb;isolation:isolate}
.hc-slides{position:absolute;inset:0}
.hc-slide{position:absolute;inset:0;opacity:0;transform:scale(1.05);
  transition:opacity 1.1s ease, transform 7s linear}
.hc-slide.active{opacity:1;transform:scale(1)}
.hc-img{width:100%;height:100%;object-fit:cover;display:block}
.hc-veil{position:absolute;inset:0;z-index:1;
  background:linear-gradient(0deg, rgba(22,19,15,.74) 0%, rgba(22,19,15,.34) 46%, rgba(22,19,15,0) 80%);
  transition:background .6s}
.hc-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:20px 22px 22px;color:#fff;
  display:flex;flex-direction:column;gap:10px;transition:color .4s}
.hc-kicker{align-self:flex-start;font-size:11.5px;font-weight:800;letter-spacing:.6px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.28);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  padding:4px 11px;border-radius:999px;color:#fff}
.hc-title{font-family:var(--font-display);font-size:19px;font-weight:800;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  text-shadow:0 2px 14px rgba(0,0,0,.3)}
.hc-prog-row{display:flex;align-items:center;gap:10px;font-size:11.5px;font-weight:700;opacity:.95}
.hc-prog{flex:1;height:5px;border-radius:3px;background:rgba(255,255,255,.3);overflow:hidden;max-width:230px}
.hc-prog i{display:block;height:100%;border-radius:3px;background:#fff;transition:width .5s}
.hc-cta{display:flex;align-items:center;gap:12px;margin-top:2px}
.hc-btn{display:inline-flex;align-items:center;gap:6px;background:#fff;color:var(--accent-deep);
  font-size:14.5px;font-weight:800;padding:11px 22px;border-radius:999px;white-space:nowrap;flex:none;
  box-shadow:0 8px 20px rgba(0,0,0,.22);transition:transform .15s, box-shadow .15s}
.hc-btn:hover{transform:translateY(-1px)}
.hc-btn .ic{width:14px;height:14px}
.hc-today{font-size:12px;font-weight:700;color:rgba(255,255,255,.85);white-space:nowrap}
.hero-carousel.on-art .hc-btn{padding:11px 18px;font-size:13.5px}
.hc-dots{position:absolute;top:12px;right:14px;z-index:3;display:flex;gap:6px;align-items:center;
  background:rgba(30,24,18,.22);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  padding:6px 10px;border-radius:999px}
.hc-dot{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.45);transition:all .25s;padding:0}
.hc-dot.on{width:18px;border-radius:4px;background:#fff}
/* 插画页反色 */
.hero-carousel.on-art .hc-veil{background:linear-gradient(90deg, rgba(253,246,238,.98) 0%, rgba(253,246,238,.84) 46%, rgba(253,246,238,0) 84%)}
.hero-carousel.on-art .hc-body{color:var(--ink);max-width:58%;padding-right:0}
.hero-carousel.on-art .hc-title{color:var(--ink);text-shadow:none;font-size:17px;-webkit-line-clamp:3}
.hero-carousel.on-art .hc-kicker{background:rgba(255,255,255,.82);border-color:rgba(232,200,170,.7);color:var(--accent-deep)}
.hero-carousel.on-art .hc-prog{background:rgba(120,90,60,.16)}
.hero-carousel.on-art .hc-prog i{background:var(--accent)}
.hero-carousel.on-art .hc-today{color:var(--ink2)}
.hero-carousel.on-art .hc-btn{background:var(--accent);color:#fff;box-shadow:0 8px 20px var(--accent-glow)}
.hero-carousel.on-art .hc-dot{background:rgba(120,90,60,.28)}
.hero-carousel.on-art .hc-dot.on{background:var(--accent)}
@media(min-width:1024px){.hero-carousel{height:420px}}
@media(max-width:480px){.hc-title{font-size:17px}.hc-body{padding:18px}}

/* ---------- 首页 v2 ---------- */
.home-top{display:flex;align-items:flex-end;justify-content:space-between;padding:6px 2px 16px}
.home-greet{font-family:var(--font-display);font-size:30px;font-weight:800;line-height:1.1;letter-spacing:.3px}
.home-date{color:var(--ink3);font-size:13px;margin-top:5px}
.home-streak{display:flex;align-items:center;gap:7px;background:var(--accent-soft);color:var(--accent-deep);
  border-radius:999px;padding:7px 15px 7px 11px;font-weight:800}
.streak-ic{width:22px;height:22px;object-fit:contain;flex:none}
.home-streak .ic{width:17px;height:17px}
.home-streak b{font-size:16px;font-family:var(--font-display);line-height:1}
.home-streak span{font-size:11.5px;opacity:.75}

.learn-card{background:var(--card);border:1px solid var(--line2);border-radius:26px;padding:20px;
  box-shadow:var(--shadow);margin-bottom:14px;position:relative;overflow:hidden}
.learn-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--accent),#ff8a5c)}
.lc-top{display:flex;gap:14px}
.lc-num{width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--accent),#ff8a5c);
  color:#fff;font-family:var(--font-display);font-size:19px;font-weight:800;display:flex;align-items:center;justify-content:center;
  flex:none;box-shadow:0 6px 16px var(--accent-glow)}
.lc-num .ic{width:26px;height:26px}
.lc-info{flex:1;min-width:0}
.lc-label{font-size:12px;font-weight:800;color:var(--accent-deep);letter-spacing:.5px;margin-bottom:5px}
.lc-en{font-weight:700;font-size:14.5px;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lc-zh{color:var(--ink2);font-size:12px;line-height:1.5;margin-top:5px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.lc-mid{display:flex;align-items:center;gap:18px;margin:18px 0 16px}
.lc-prog{flex:1;min-width:0}
.lc-prog-top{display:flex;justify-content:space-between;font-size:12px;color:var(--ink2);margin-bottom:8px;font-weight:600}
.lc-ring{flex:none}

.home-stats{display:flex;background:var(--card);border:1px solid var(--line2);border-radius:20px;
  padding:15px 0;margin-bottom:12px}
.hs-item{flex:1;text-align:center;position:relative}
.hs-item+.hs-item::before{content:"";position:absolute;left:0;top:16%;bottom:16%;width:1px;background:var(--line)}
.hs-item b{font-family:var(--font-display);font-size:20px;font-weight:800;display:block;line-height:1.2}
.hs-item span{font-size:11.5px;color:var(--ink3);font-weight:600}

.due-card{background:var(--card);border:1px solid var(--line2);border-radius:20px;padding:15px 18px;
  margin-bottom:12px;cursor:pointer;transition:border .18s}
.due-card:hover{border-color:var(--accent)}
.due-head{display:flex;align-items:center;gap:8px;font-weight:800;font-size:14px}
.due-head .ic{width:16px;height:16px;color:var(--accent)}
.due-chips{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}
.wchip-sm{padding:5px 12px;border-radius:999px;background:var(--bg2);font-size:12.5px;font-weight:700;
  border:1px solid transparent;transition:all .15s}
.wchip-sm:hover{border-color:var(--accent);color:var(--accent-deep)}
.due-go{display:flex;align-items:center;gap:4px;color:var(--accent-deep);font-size:12.5px;font-weight:800;margin-top:11px}
.due-go .ic{width:13px;height:13px}
.due-card.done .due-head{color:var(--good)}
.due-card.done .due-head .ic{color:var(--good)}

.home-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.home-actions .btn{padding:12px 8px}

.plan-strip{background:var(--card);border:1px solid var(--line2);border-radius:20px;padding:14px 18px;margin-bottom:12px}
.plan-strip-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:800;margin-bottom:9px}
.plan-strip-head b{color:var(--accent-deep);font-size:12.5px}
.plan-strip-sub{font-size:11.5px;color:var(--ink3);margin-top:7px}
.logs-card{padding:8px 18px}

/* ---------- 首页 ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--accent) 0%,#ff7d5c 55%,#ffa07a 100%);
  border-radius:24px;color:#fff;padding:24px;display:flex;align-items:center;gap:20px;margin-bottom:16px;
  box-shadow:0 10px 30px var(--accent-glow)}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.14);pointer-events:none}
.hero::before{width:190px;height:190px;right:-60px;top:-70px}
.hero::after{width:120px;height:120px;right:90px;bottom:-60px}
.hero-text{flex:1;position:relative;z-index:1}
.hero-text h1{font-size:22px;font-family:var(--font-display);letter-spacing:.5px;margin-bottom:4px}
.hero-text p{font-size:13px;opacity:.92}
.hero .btn{background:#fff;color:var(--accent-deep);box-shadow:0 6px 16px rgba(0,0,0,.15)}
.hero .btn:hover{transform:translateY(-1px)}
.hero-date{font-size:12px;opacity:.85;margin-top:8px;display:flex;align-items:center;gap:6px}
.hero-date .ic{width:13px;height:13px}
.day-chip{display:inline-block;background:rgba(255,255,255,.22);border-radius:999px;padding:2px 10px;font-size:11.5px;font-weight:700;margin-top:8px}

.dash-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}
.dash-card{background:var(--card);border:1px solid var(--line2);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:8px;transition:transform .15s}
.dash-card:hover{transform:translateY(-2px)}
.dash-card .dhead{display:flex;align-items:center;gap:8px;color:var(--ink2);font-size:13px;font-weight:600}
.dash-card .dhead .ic{width:16px;height:16px}
.dash-card .dnum{font-family:var(--font-display);font-size:26px;font-weight:800;line-height:1.1}
.dash-card .dnum small{font-size:13px;color:var(--ink3);font-weight:600}
.dash-card.good .dhead{color:var(--good)}
.dash-card.meh .dhead{color:var(--meh)}
.dash-card.bad .dhead{color:var(--bad)}
.dash-card.acc .dhead{color:var(--accent-deep)}
.dash-card .dsub{font-size:11.5px;color:var(--ink3)}
.mini-bar{height:6px;border-radius:3px;background:var(--line);overflow:hidden}
.mini-bar i{display:block;height:100%;border-radius:3px;background:var(--accent);transition:width .4s}

.section-title{display:flex;align-items:center;justify-content:space-between;margin:20px 2px 12px}
.section-title b{font-size:16px}
.section-title .more{color:var(--accent-deep);font-size:12.5px;font-weight:600;cursor:pointer}

/* 今日句子卡片 */
.unit-card{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line2);
  border-radius:var(--radius);padding:16px 18px;cursor:pointer;transition:all .18s;margin-bottom:10px}
.unit-card:hover{border-color:var(--accent);box-shadow:var(--shadow)}
.unit-num{width:44px;height:44px;border-radius:14px;background:var(--accent-soft);color:var(--accent-deep);
  font-family:var(--font-display);font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;flex:none}
.unit-card.done .unit-num{background:var(--good-soft);color:var(--good)}
.unit-card .u-body{flex:1;min-width:0}
.unit-card .u-en{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.unit-card .u-meta{font-size:12px;color:var(--ink3);margin-top:2px;display:flex;gap:10px}
.unit-card .u-meta b{color:var(--accent-deep)}
.unit-card .u-bar{margin-top:7px}
.unit-card .u-go{color:var(--ink3);flex:none}
.unit-card.done{opacity:.75}
.unit-card.done .u-go{color:var(--good)}

/* ---------- 学习流程 ---------- */
.learn-screen{position:fixed;inset:0;z-index:80;background:var(--bg);display:flex;flex-direction:column;
  animation:fadeIn .25s ease}
.learn-head{display:flex;align-items:center;gap:14px;padding:12px 16px;padding-top:calc(12px + env(safe-area-inset-top))}
.learn-head .l-close{width:36px;height:36px;border-radius:11px;background:var(--card);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink2)}
.learn-head .l-close .ic{width:17px;height:17px}
.learn-head .l-back{display:flex;align-items:center;gap:3px;height:36px;padding:0 12px 0 8px;border-radius:11px;
  background:var(--card);border:1px solid var(--line);color:var(--ink2);font-size:12.5px;font-weight:700;
  transition:all .15s}
.learn-head .l-back .ic{width:15px;height:15px}
.learn-head .l-back:hover{color:var(--accent-deep);border-color:var(--accent)}
.learn-head .l-back:disabled{opacity:.35;pointer-events:none}
.learn-head .l-prog{flex:1}
.learn-head .l-count{font-size:13px;font-weight:700;color:var(--ink2)}
.learn-head .l-bar{margin-top:5px}
.learn-body{flex:1;display:flex;flex-direction:column;padding:8px 16px;max-width:640px;width:100%;margin:0 auto;min-height:0}
.learn-stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:0}

/* 单词卡 */
.word-card{position:relative;width:100%;max-width:520px;margin:6px auto;perspective:1200px;cursor:default;flex:none}
.word-card-inner{position:relative;width:100%;min-height:240px;transform-style:preserve-3d;transition:transform .5s cubic-bezier(.4,.2,.2,1),height .34s cubic-bezier(.2,.75,.25,1)}
.word-card.flipped .word-card-inner{transform:rotateY(180deg)}
.word-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  background:var(--card);border:1px solid var(--line2);border-radius:26px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;padding:28px 26px;overflow:hidden}
.wf-content{flex:1 1 auto;min-height:0;overflow-y:auto;scrollbar-width:thin;overscroll-behavior:contain}
.wf-content::-webkit-scrollbar{width:5px}
.wf-content::-webkit-scrollbar-thumb{background:transparent;border-radius:3px}
.wf-content:hover::-webkit-scrollbar-thumb{background:var(--line)}
.wf-back-word{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:10px;
  padding-bottom:10px;border-bottom:1px dashed var(--line)}
.wf-word-sm{font-family:var(--font-display);font-size:24px;font-weight:800;letter-spacing:.2px}
.wf-ph-sm{color:var(--ink3);font-size:12.5px}
.word-face.back{transform:rotateY(180deg)}
.card-swipe-cue{position:absolute;inset:0;z-index:3;border-radius:26px;padding:24px 22px;font-weight:800;font-size:23px;letter-spacing:.02em;opacity:0;pointer-events:none;transition:opacity .18s ease-out;display:flex;align-items:flex-start}
.cue-left{justify-content:flex-start;color:#147447;background:linear-gradient(110deg,rgba(45,199,126,.55),rgba(45,199,126,.16) 55%,transparent)}
.cue-right{justify-content:flex-end;color:#b52e43;background:linear-gradient(250deg,rgba(245,83,107,.55),rgba(245,83,107,.16) 55%,transparent)}
.word-card.swiping-left .cue-left,.word-card.swiping-right .cue-right{opacity:var(--swipe-opacity,0);transition:none}
.word-card{transition:transform .22s ease-out}
.word-card.swiping-left,.word-card.swiping-right{transform:translateX(var(--swipe-x,0)) rotate(var(--swipe-rotate,0));transition:none;}
.learn-screen.is-swiping,.learn-screen.is-swiping .learn-stage,.learn-screen.is-swiping .word-card{touch-action:none;overscroll-behavior:contain}
.wf-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.wf-word{font-family:var(--font-display);font-size:40px;font-weight:800;letter-spacing:.3px;line-height:1.15;word-break:break-word}
.wf-phonetic{color:var(--ink3);font-size:15px;margin-top:5px}
.wf-audio{display:flex;gap:8px}
.wf-audio .icon-btn{width:42px;height:42px;border-radius:14px}
.wf-example{margin-top:18px;padding:14px 16px;background:var(--bg2);border-radius:16px;font-size:15px;line-height:1.65;
  color:var(--ink);position:relative}
.wf-example .mark{color:var(--accent-deep);font-weight:800;background:var(--accent-soft);border-radius:4px;padding:0 3px}
.wf-example .zh{margin-top:7px;color:var(--ink2);font-size:13px;border-top:1px dashed var(--line);padding-top:7px}
.wf-example .ext-badge{display:inline-block;background:var(--blue-soft);color:var(--blue);
  font-size:10.5px;font-weight:800;letter-spacing:.3px;border-radius:6px;padding:2px 8px;margin-bottom:9px}
.wf-example .ex-line{font-size:15px;line-height:1.6}
.wf-example .ex-line.dim{color:var(--ink3);font-size:13px}
.wf-example .ex-src{font-size:10.5px;color:var(--ink3);margin-top:7px}
.inline-play{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;
  vertical-align:-5px;margin-left:3px;padding:0;border:none;background:none;cursor:pointer;
  color:var(--ink3);border-radius:50%;transition:color .15s, background .15s}
.inline-play:hover{color:var(--accent-deep);background:var(--accent-soft)}
.inline-play .ic{width:17px;height:17px}
.wf-hint{margin-top:16px;text-align:center;color:var(--ink3);font-size:12.5px}
.wf-tap{display:inline-flex;align-items:center;gap:5px;background:var(--bg2);padding:4px 12px;border-radius:999px;font-size:11.5px}

/* 背面释义 */
.wf-meaning{margin-top:6px}
.wf-pos{display:inline-block;background:var(--blue-soft);color:var(--blue);font-size:12.5px;font-weight:700;
  border-radius:8px;padding:3px 9px;margin-bottom:8px}
.wf-meaning-text{font-size:16.5px;font-weight:600;line-height:1.6}
.wf-blocks{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.wf-block{background:var(--bg2);border-radius:14px;padding:10px 14px;font-size:13px;line-height:1.6}
.wf-block b{color:var(--accent-deep);font-size:12px;margin-right:6px}
.wf-block .pos{color:var(--blue);font-weight:700;margin-right:4px}
.image-fallback{display:inline-flex;align-items:center;justify-content:center;color:var(--accent-deep);width:100%;height:100%}
.image-fallback .ic{width:48%;height:48%}
.wf-more{flex:none;padding-top:14px;text-align:center}
.wf-more button{color:var(--accent-deep);font-size:13.5px;font-weight:700;padding:8px 16px;border-radius:999px;background:var(--accent-soft)}
.wf-occ{margin-top:14px;border-top:1px dashed var(--line);padding-top:12px}
.wf-occ-title{font-size:12px;color:var(--ink3);margin-bottom:8px;font-weight:700}
.wf-occ-item{font-size:13.5px;line-height:1.6;margin-bottom:9px;padding:9px 12px;background:var(--bg2);border-radius:12px;position:relative;padding-right:38px}
.wf-occ-item .mark{color:var(--accent-deep);font-weight:800}
.wf-occ-item .occ-zh{margin-top:6px;font-size:12px;color:var(--ink3);line-height:1.5}
.wf-occ .occ-item .mark{color:var(--accent-deep);font-weight:800;background:var(--accent-soft);border-radius:4px;padding:0 3px}
.wf-occ .occ-item .occ-zh{margin-top:6px;font-size:12px;color:var(--ink3);line-height:1.5}
.occ-zh:empty{display:none}
.wf-occ-item .play-s{position:absolute;right:8px;top:8px;color:var(--ink3)}
.wf-occ-item .src{font-size:11px;color:var(--ink3);display:block;margin-top:2px}

/* 学习操作区 */
.learn-actions{display:flex;gap:12px;align-items:center;justify-content:center;padding:14px 0 26px}
.la-btn{display:flex;flex-direction:column;align-items:center;gap:7px;width:92px;padding:10px 0;border-radius:18px;transition:all .15s}
.la-btn .la-circle{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .15s}
.la-btn .la-circle .ic{width:24px;height:24px}
.la-btn span{font-size:12.5px;font-weight:700;color:var(--ink2)}
.la-btn:active .la-circle{transform:scale(.92)}
.la-forget .la-circle{background:var(--bad-soft);color:var(--bad)}
.la-fuzzy .la-circle{background:var(--meh-soft);color:var(--meh)}
.la-know .la-circle{background:var(--good-soft);color:var(--good)}
.la-know .la-circle{width:64px;height:64px}
.la-know span{color:var(--good)}
.la-forget span{color:var(--bad)}
.la-fuzzy span{color:var(--meh)}
.learn-hint{text-align:center;color:var(--ink3);font-size:11.5px;padding-bottom:8px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.kbd{display:inline-block;border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:0 6px;font-size:10.5px;background:var(--card);font-weight:700}

/* 卡片滑动动画 */
.word-card.swipe-out{transition:transform .3s ease,opacity .3s ease}
.word-card.swipe-left{transform:translateX(-120%) rotate(-8deg);opacity:0}
.word-card.swipe-right{transform:translateX(120%) rotate(8deg);opacity:0}
.word-card.enter{animation:cardIn .3s ease}

/* ---------- 一日训练完成 庆祝页 ---------- */
.day-done{position:fixed;inset:0;z-index:86;display:flex;flex-direction:column;align-items:center;
  justify-content:center;text-align:center;padding:28px 24px 40px;overflow-y:auto;
  background:
    radial-gradient(120% 58% at 50% 0%, rgba(255,138,92,.24), transparent 62%),
    radial-gradient(90% 46% at 50% 100%, rgba(255,196,107,.2), transparent 62%),
    var(--bg);
  animation:fadeIn .3s ease}
.dd-art{width:min(62vw, 300px);height:auto;animation:ddPop .65s cubic-bezier(.34,1.56,.64,1) both;
  filter:drop-shadow(0 20px 38px rgba(180,90,40,.22))}
@keyframes ddPop{from{opacity:0;transform:translateY(20px) scale(.84)}to{opacity:1;transform:none}}
.day-done h2{font-family:var(--font-display);font-size:27px;margin:16px 0 6px;letter-spacing:.5px;
  animation:fadeUp .5s .18s both}
.day-done .dd-sub{color:var(--ink2);font-size:14px;animation:fadeUp .5s .26s both}
.day-done .dd-sub b{color:var(--accent-deep);font-family:var(--font-display);font-size:18px}
.dd-stats{display:flex;gap:30px;margin:22px 0 4px;animation:fadeUp .5s .34s both}
.dd-stats div{display:flex;flex-direction:column;gap:3px}
.dd-stats b{font-family:var(--font-display);font-size:24px;color:var(--accent-deep);line-height:1.1}
.dd-stats span{font-size:11.5px;color:var(--ink3);font-weight:600}
.dd-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:26px;
  animation:fadeUp .5s .42s both}

.la-btn.la-next{flex:1;max-width:320px;height:56px;display:flex;flex-direction:row;align-items:center;
  justify-content:center;gap:8px;
  background:var(--accent);color:#fff;border-radius:16px;font-size:15px;font-weight:800;
  box-shadow:0 10px 24px var(--accent-glow);transition:transform .15s, box-shadow .15s}
.la-btn.la-next:hover{transform:translateY(-1px)}
.la-btn.la-next .ic{width:17px;height:17px}
.la-btn.la-next span{color:#fff;font-size:15px;font-weight:800}
.learn-actions.revealed{justify-content:center}
/* 单元完成页 */
.done-screen{position:fixed;inset:0;z-index:85;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px;animation:fadeUp .4s ease}
.done-badge{width:110px;height:110px;border-radius:50%;background:linear-gradient(135deg,var(--good),#5be3ae);display:flex;align-items:center;justify-content:center;margin-bottom:22px;box-shadow:0 14px 34px rgba(47,201,143,.35);animation:pop .5s cubic-bezier(.5,1.6,.4,1)}
.done-badge .ic{width:52px;height:52px;color:#fff}
.done-screen h2{font-size:24px;font-family:var(--font-display);margin-bottom:6px}
.done-screen .done-sub{color:var(--ink2);margin-bottom:24px}
.done-stats{display:flex;gap:26px;margin-bottom:30px}
.done-stat{display:flex;flex-direction:column;gap:2px}
.done-stat b{font-family:var(--font-display);font-size:24px}
.done-stat b.good{color:var(--good)} .done-stat b.meh{color:var(--meh)} .done-stat b.bad{color:var(--bad)}
.done-stat small{color:var(--ink3);font-size:12px}
.done-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}

/* ---------- 目录 ---------- */
.searchbar{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line2);
  border-radius:16px;padding:11px 16px;margin-bottom:14px;transition:border .2s}
.searchbar:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.searchbar .ic{color:var(--ink3);width:18px;height:18px}
.searchbar input{flex:1;border:none;outline:none;background:none;font-size:15px}
.searchbar .clear{color:var(--ink3);display:none}
.searchbar.has-val .clear{display:block}
.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}

.day-group{margin-bottom:14px}
.day-group-head{display:flex;align-items:center;gap:9px;padding:6px 4px 10px}
.day-group-head .dg-badge{width:30px;height:30px;border-radius:10px;background:var(--accent-soft);color:var(--accent-deep);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:12px;font-weight:800}
.day-group-head b{font-size:14.5px}
.day-group-head small{color:var(--ink3);font-size:12px;margin-left:2px}
.sentence-row{display:flex;align-items:center;gap:13px;background:var(--card);border:1px solid var(--line2);
  border-radius:18px;padding:13px 15px;margin-bottom:9px;cursor:pointer;transition:all .18s}
.sentence-row:hover{border-color:var(--accent);transform:translateX(2px)}
.sentence-row .s-num{width:38px;height:38px;border-radius:12px;background:var(--bg2);color:var(--ink2);
  font-family:var(--font-display);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;flex:none}
.sentence-row.done .s-num{background:var(--good-soft);color:var(--good)}
.sentence-row.learning .s-num{background:var(--accent-soft);color:var(--accent-deep)}
.sentence-row .s-body{flex:1;min-width:0}
.sentence-row .s-en{font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sentence-row .s-meta{font-size:11.5px;color:var(--ink3);margin-top:2px;display:flex;gap:8px;align-items:center}
.sentence-row .s-meta .st{display:inline-flex;align-items:center;gap:4px;font-weight:700}
.sentence-row .s-meta .st.st-done{color:var(--good)} .sentence-row .s-meta .st.st-learning{color:var(--accent-deep)}
.sentence-row .s-audio{color:var(--ink3);flex:none;width:36px;height:36px;border-radius:11px;display:flex;align-items:center;justify-content:center}
.sentence-row .s-audio:hover{background:var(--accent-soft);color:var(--accent-deep)}
.sentence-row .s-audio.playing{background:var(--accent);color:#fff}

/* 句子详情 */
.sentence-detail{max-width:640px;margin:0 auto}
.sd-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.sd-back{width:38px;height:38px;border-radius:12px;background:var(--card);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink2)}
.sd-title{font-family:var(--font-display);font-size:19px;flex:1}
.sd-hero{background:linear-gradient(135deg,var(--accent),#ff8a5c);border-radius:24px;color:#fff;padding:26px 24px;margin-bottom:14px;position:relative;box-shadow:0 10px 26px var(--accent-glow)}
.sd-hero .sd-en{font-size:19px;line-height:1.65;font-weight:600;margin-bottom:12px}
.sd-hero .sd-zh{font-size:13.5px;opacity:.93;line-height:1.6}
.sd-hero .sd-src{position:absolute;top:14px;right:16px;font-size:11px;background:rgba(255,255,255,.22);padding:3px 10px;border-radius:999px}
.sd-hero .sd-play{display:inline-flex;align-items:center;gap:7px;background:#fff;color:var(--accent-deep);font-weight:800;
  font-size:13.5px;padding:9px 18px;border-radius:999px;margin-top:14px;box-shadow:0 5px 14px rgba(0,0,0,.14)}
.sd-hero .sd-play .ic{width:16px;height:16px}
.sd-section{margin-bottom:16px}
.sd-section h3{display:flex;align-items:center;gap:8px;font-size:15px;margin:0 4px 10px}
.sd-section h3 .ic{width:16px;height:16px;color:var(--accent)}
.sd-section h3 small{color:var(--ink3);font-weight:500;font-size:12px}
.word-chips{display:flex;flex-wrap:wrap;gap:8px}
.wchip{display:inline-flex;flex-direction:column;background:var(--card);border:1px solid var(--line2);border-radius:14px;
  padding:8px 14px;cursor:pointer;transition:all .15s;max-width:100%}
.wchip:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.wchip b{font-size:14.5px;font-family:var(--font-display)}
.wchip small{font-size:11px;color:var(--ink3);max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wchip .pos{color:var(--blue);font-weight:700;font-size:11px}
.grammar-card{background:var(--card);border:1px solid var(--line2);border-radius:var(--radius-sm);padding:15px 17px;font-size:13.5px;line-height:1.75;color:var(--ink2)}

/* ---------- 复习 ---------- */
.review-hero{background:var(--card);border:1px solid var(--line2);border-radius:24px;padding:22px;display:flex;align-items:center;gap:20px;margin-bottom:16px}
.review-hero .ring-wrap{width:86px;height:86px}
.review-hero .r-text b{font-size:19px;font-family:var(--font-display)}
.review-hero .r-text p{font-size:12.5px;color:var(--ink2);margin-top:3px}
.review-modes{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}
.review-mode{background:var(--card);border:1px solid var(--line2);border-radius:var(--radius);padding:18px;cursor:pointer;transition:all .18s}
.review-mode:hover{border-color:var(--accent);box-shadow:var(--shadow)}
.review-mode .rm-ic{width:44px;height:44px;border-radius:13px;background:var(--bg2);
  display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.review-mode .rm-ic img{width:28px;height:28px;object-fit:contain}
.review-mode .rm-ic.good{background:var(--good-soft);color:var(--good)}
.review-mode .rm-ic.meh{background:var(--meh-soft);color:var(--meh)}
.review-mode b{font-size:15px;display:block;margin-bottom:3px}
.review-mode small{font-size:12px;color:var(--ink3)}

/* 测验 */
.quiz-screen{position:fixed;inset:0;z-index:82;background:var(--bg);display:flex;flex-direction:column;animation:fadeIn .25s}
.quiz-body{flex:1;max-width:560px;width:100%;margin:0 auto;padding:18px;display:flex;flex-direction:column}
.quiz-card{background:var(--card);border:1px solid var(--line2);border-radius:26px;padding:26px;box-shadow:var(--shadow)}
.quiz-q{font-size:17px;font-weight:700;margin-bottom:16px;line-height:1.6}
.quiz-opt{display:block;width:100%;text-align:left;padding:14px 18px;border-radius:16px;border:1.5px solid var(--line);
  margin-bottom:10px;font-size:15.5px;font-weight:600;transition:all .15s;background:var(--card)}
.quiz-opt:hover{border-color:var(--accent)}
.quiz-opt.correct{border-color:var(--good);background:var(--good-soft);color:var(--good)}
.quiz-opt.wrong{border-color:var(--bad);background:var(--bad-soft);color:var(--bad)}
.quiz-opt:disabled{opacity:.6}
.quiz-q .pos{display:inline-block;background:var(--blue-soft);color:var(--blue);
  font-size:11px;font-weight:800;border-radius:6px;padding:2px 8px;margin-right:9px;vertical-align:2px}
.quiz-progress{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:var(--ink2);font-size:13px;font-weight:700}

/* ---------- 统计 ---------- */
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.stat-cards .dash-card{padding:14px}
.stat-cards .dnum{font-size:22px}
@media(max-width:900px){.stat-cards{grid-template-columns:repeat(2,1fr)}}
.calendar-card{margin-bottom:16px}
.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.cal-head b{font-size:15px}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-cell{aspect-ratio:1;border-radius:10px;background:var(--bg2);display:flex;align-items:center;justify-content:center;
  font-size:11.5px;color:var(--ink3);position:relative}
.cal-cell.today{outline:2px solid var(--accent);outline-offset:1px;font-weight:800;color:var(--accent-deep)}
.cal-cell.lv1{background:var(--accent-soft);color:var(--accent-deep)}
.cal-cell.lv2{background:#ffd9cf;color:#d9482a}
.cal-cell.lv3{background:var(--accent);color:#fff;font-weight:700}
.cal-cell .w{position:absolute;bottom:2px;font-size:8.5px;font-weight:800}
.cal-legend{display:flex;gap:8px;align-items:center;justify-content:flex-end;margin-top:10px;font-size:11px;color:var(--ink3)}
.cal-legend i{width:12px;height:12px;border-radius:4px;display:inline-block}
.cal-legend i.l0{background:var(--bg2)} .cal-legend i.l1{background:var(--accent-soft)}
.cal-legend i.l2{background:#ffd9cf} .cal-legend i.l3{background:var(--accent)}

.bars-card{margin-bottom:16px}
.bars-row{display:flex;align-items:flex-end;gap:8px;height:130px;padding-top:8px}
.bars-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:5px;height:100%;justify-content:flex-end;min-width:0}
.bars-col .b{width:100%;max-width:34px;border-radius:8px 8px 4px 4px;background:linear-gradient(180deg,var(--accent),#ff8a5c);min-height:3px;transition:height .5s ease}
.bars-col .b.empty{background:var(--line)}
.bars-col small{font-size:10px;color:var(--ink3);white-space:nowrap;overflow:hidden;max-width:100%}

.timeline{position:relative;padding-left:22px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:9px 0 9px 12px}
.tl-item::before{content:"";position:absolute;left:-21px;top:15px;width:10px;height:10px;border-radius:50%;background:var(--card);border:2.5px solid var(--accent)}
.tl-item.tl-good::before{border-color:var(--good)} .tl-item.tl-meh::before{border-color:var(--meh)}
.tl-item .tl-t{font-size:13.5px;line-height:1.5}
.tl-item .tl-t b{color:var(--accent-deep)}
.tl-item .tl-time{font-size:11px;color:var(--ink3);margin-top:2px}

/* ---------- 我的/设置 ---------- */
.me-card{display:flex;align-items:center;gap:16px;background:var(--card);border:1px solid var(--line2);border-radius:24px;padding:22px;margin-bottom:16px}
.me-avatar{width:64px;height:64px;border-radius:20px;background:var(--accent-soft);color:#fff;
  font-family:var(--font-display);font-size:26px;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px var(--accent-glow);overflow:hidden;flex:none}
.me-avatar img{width:100%;height:100%;object-fit:cover;border-radius:inherit}
.empty-art{width:150px;max-width:56%;height:auto;display:block;margin:0 auto 12px;opacity:.95}
.me-card b{font-size:17px;display:block}
.me-card small{color:var(--ink3);font-size:12.5px;display:block;margin-top:3px}
.set-group{background:var(--card);border:1px solid var(--line2);border-radius:var(--radius);margin-bottom:14px;overflow:hidden}
.set-group-title{font-size:12px;font-weight:800;color:var(--ink3);padding:14px 18px 6px;letter-spacing:.5px}
.set-row{display:flex;align-items:center;gap:12px;padding:13px 18px;border-top:1px solid var(--line2)}
.set-row:first-child{border-top:none}
.set-row .sr-ic{width:34px;height:34px;border-radius:11px;background:var(--bg2);color:var(--ink2);display:flex;align-items:center;justify-content:center;flex:none}
.set-row .sr-ic .ic{width:17px;height:17px}
.set-row .sr-body{flex:1;min-width:0}
.set-row .sr-body b{font-size:14px;display:block}
.set-row .sr-body small{font-size:11.5px;color:var(--ink3);display:block;margin-top:1px}
.set-row .sr-val{font-size:13px;color:var(--ink2);font-weight:600}
/* 开关 */
.switch{width:46px;height:28px;border-radius:14px;background:var(--line);position:relative;transition:background .2s;flex:none}
.switch::after{content:"";position:absolute;left:3px;top:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:left .2s;box-shadow:0 2px 5px rgba(0,0,0,.2)}
.switch.on{background:var(--accent)}
.switch.on::after{left:21px}
/* 步进器 */
.stepper{display:flex;align-items:center;gap:4px}
.stepper button{width:30px;height:30px;border-radius:9px;background:var(--bg2);font-size:17px;font-weight:800;color:var(--ink)}
.stepper b{min-width:34px;text-align:center;font-size:15px}
/* 单选 */
.seg{display:flex;background:var(--bg2);border-radius:11px;padding:3px;gap:2px}
.seg button{padding:6px 12px;border-radius:9px;font-size:12.5px;font-weight:700;color:var(--ink2);white-space:nowrap}
.seg button.on{background:var(--card);color:var(--ink);box-shadow:var(--shadow-sm)}
@media(max-width:480px){
  .set-row{flex-wrap:wrap;row-gap:9px}
  .set-row .seg{width:100%;justify-content:space-between}
  .set-row .seg button{flex:1;text-align:center;padding:7px 4px}
}

/* ---------- 弹层 ---------- */
.modal-mask{position:fixed;inset:0;z-index:90;background:rgba(20,18,14,.45);backdrop-filter:blur(3px);
  display:flex;align-items:flex-end;justify-content:center;animation:fadeIn .2s ease}
@media(min-width:700px){.modal-mask{align-items:center}}
.modal{background:var(--card);border-radius:24px 24px 0 0;width:100%;max-height:88vh;overflow-y:auto;animation:sheetUp .3s cubic-bezier(.3,1,.3,1)}
@media(min-width:700px){.modal{border-radius:24px;max-width:560px;max-height:82vh}}
.modal-head{position:sticky;top:0;background:var(--card);display:flex;align-items:center;gap:10px;padding:16px 18px 10px;z-index:2}
.modal-head .m-back{width:34px;height:34px;border-radius:10px;background:var(--bg2);display:flex;align-items:center;justify-content:center;color:var(--ink2)}
.modal-head b{font-size:16px;flex:1}
.modal-body{padding:4px 18px 22px}
.modal-foot{position:sticky;bottom:0;background:var(--card);border-top:1px solid var(--line2);border-radius:0 0 24px 24px;padding:4px 0}
@media(min-width:700px){.modal-foot{border-radius:0 0 24px 24px}}
.sync-modal{overflow-y:auto;border:1px solid rgba(255,255,255,.7);box-shadow:0 24px 80px rgba(26,32,46,.2)}
.sync-modal .modal-head{padding:22px 24px 12px}
.sync-modal .modal-head b{font-size:19px;letter-spacing:-.02em}
.sync-modal .modal-body{padding:8px 24px 22px}
.sync-mark{width:54px;height:54px;margin:0 auto 16px;border-radius:18px;display:grid;place-items:center;color:var(--accent-deep);background:linear-gradient(145deg,var(--accent-soft),#fff2eb);box-shadow:inset 0 0 0 1px rgba(255,90,60,.1)}
.sync-mark .ic{width:25px;height:25px}
.sync-copy{max-width:340px;margin:0 auto 22px;text-align:center;color:var(--ink2);font-size:14px;line-height:1.75}
.sync-label{display:block;margin-bottom:8px;color:var(--ink);font-size:12px;font-weight:750}
.sync-input{box-sizing:border-box;width:100%;height:50px;padding:0 15px;border:1px solid var(--line2);border-radius:14px;background:var(--bg2);color:var(--ink);font:inherit;font-size:15px;outline:none;transition:border-color .18s,box-shadow .18s,background .18s}
.sync-input:focus{border-color:var(--accent);background:var(--card);box-shadow:0 0 0 4px rgba(255,90,60,.12)}
.sync-error{margin:8px 0 0;color:var(--bad);font-size:12px}
.sync-modal .modal-foot{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:14px 24px calc(16px + env(safe-area-inset-bottom));border-top:0}
.sync-modal .modal-foot .btn{min-height:48px;border-radius:14px;font-size:14px}
.sync-local{min-height:48px;padding:0 12px;border:1px solid var(--line2);border-radius:14px;background:var(--card);color:var(--ink2);font:inherit;font-size:13px;font-weight:700;cursor:pointer}
.sync-local:hover{background:var(--bg2);color:var(--ink)}
@media(max-width:420px){.sync-modal .modal-head{padding:18px 20px 10px}.sync-modal .modal-body{padding:8px 20px 18px}.sync-modal .modal-foot{padding-right:20px;padding-left:20px}}

/* 单词详情 */
.wd-head{display:flex;align-items:center;gap:12px;padding:14px 18px 0}
.wd-words{flex:1;min-width:0}
.wd-words h2{font-family:var(--font-display);font-size:30px;font-weight:800;letter-spacing:.3px;word-break:break-word;line-height:1.2}
.wd-words .ph{color:var(--ink3);font-size:13.5px;margin-top:2px}
.wd-sound{display:flex;gap:7px}
.wd-sound .icon-btn{width:40px;height:40px;border-radius:13px}
.wd-section{margin-top:16px}
.wd-section h3{font-size:13px;color:var(--ink3);font-weight:800;letter-spacing:.4px;margin-bottom:9px;display:flex;align-items:center;gap:6px}
.wd-section h3 .ic{width:14px;height:14px}
.wd-meaning{background:var(--card2);border-radius:16px;padding:14px 16px}
.wd-meaning .pos{color:var(--blue);font-weight:800;font-size:13px;margin-right:6px}
.wd-meaning .txt{font-size:15.5px;font-weight:600;line-height:1.65}
.wd-blocks{display:flex;flex-direction:column;gap:8px}
.wd-block{background:var(--bg2);border-radius:13px;padding:10px 14px;font-size:13px;line-height:1.6}
.wd-block b{color:var(--accent-deep);font-size:11.5px;margin-right:5px}
.wd-block .pos{color:var(--blue);font-weight:700}
.wd-occ .occ-item{background:var(--card2);border-radius:13px;padding:11px 14px;margin-bottom:8px;position:relative;padding-right:40px;font-size:13.5px;line-height:1.6}
.wd-occ .occ-item .mark{color:var(--accent-deep);font-weight:800}
.wd-occ .occ-item .src{font-size:11px;color:var(--ink3);margin-top:3px;display:block}
.wd-occ .occ-item .occ-zh{display:block;margin-top:5px;font-size:12px;color:var(--ink3);line-height:1.5}
.wd-empty{color:var(--ink3);font-size:13px;padding:10px 2px}
.wd-occ .occ-item .play-s{position:absolute;right:10px;top:9px;color:var(--ink3)}
.dict-cache{background:var(--card2);border-radius:16px;padding:14px 16px;font-size:13.5px}
.dict-cache .dc-item{margin-bottom:9px}
.dict-cache .dc-item:last-child{margin-bottom:0}
.dict-cache .dc-item .pos{display:inline-block;background:var(--blue-soft);color:var(--blue);
  font-size:10.5px;font-weight:800;font-style:italic;letter-spacing:.4px;border-radius:6px;
  padding:2px 8px;margin-right:9px;vertical-align:2px}
.dict-cache .dc-item .dc-def{line-height:1.7}
.dict-cache .dc-pos{color:var(--blue);font-weight:800;font-size:12px;margin-right:5px}
.dict-cache .dc-def{color:var(--ink2);line-height:1.6}
.dict-loading{color:var(--ink3);font-size:12.5px;display:flex;align-items:center;gap:8px}
.dict-links{display:flex;gap:8px;flex-wrap:wrap}
.dict-link{display:inline-flex;align-items:center;gap:5px;padding:8px 14px;border-radius:999px;background:var(--bg2);
  font-size:12.5px;font-weight:700;color:var(--ink2);transition:all .15s}
.dict-link:hover{color:var(--accent-deep);background:var(--accent-soft)}
.dict-link .ic{width:13px;height:13px}
.wd-actions{display:flex;gap:10px;padding:14px 18px 18px}
.wd-actions .btn{flex:1;padding:11px 8px;font-size:14px}

/* ---------- 搜索 ---------- */
.search-screen{position:fixed;inset:0;z-index:95;background:var(--bg);display:flex;flex-direction:column;animation:fadeIn .2s}
.search-head{display:flex;align-items:center;gap:12px;padding:14px 16px;padding-top:calc(14px + env(safe-area-inset-top))}
.search-head .icon-btn{flex:none}
.search-head .searchbar{flex:1;margin:0}
.search-results{flex:1;overflow-y:auto;padding:6px 16px 30px;max-width:640px;width:100%;margin:0 auto}
.search-row{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--card);border:1px solid var(--line2);
  border-radius:15px;margin-bottom:8px;cursor:pointer;transition:all .15s}
.search-row:hover{border-color:var(--accent)}
.search-row b{font-family:var(--font-display);font-size:16.5px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.search-row .sr-ph{color:var(--ink3);font-size:12px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.search-row .sr-m{font-size:12px;color:var(--ink3);flex:none}
.search-empty{padding:40px 20px;text-align:center;color:var(--ink3)}

/* ---------- Toast / Splash ---------- */
#toast-root{position:fixed;top:calc(var(--topbar-h) + 14px);left:50%;transform:translateX(-50%);z-index:200;
  display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{background:var(--ink);color:#fff;padding:10px 20px;border-radius:999px;font-size:13.5px;font-weight:600;
  box-shadow:0 8px 24px rgba(0,0,0,.25);animation:toastIn .3s ease;max-width:86vw}
.toast.good{background:var(--good)} .toast.bad{background:var(--bad)}
#splash{position:fixed;inset:0;z-index:300;background:var(--bg);display:flex;align-items:center;justify-content:center;transition:opacity .4s}
#splash.hide{opacity:0;pointer-events:none}
.splash-inner{text-align:center}
.splash-logo{width:86px;height:86px;border-radius:26px;background:linear-gradient(135deg,var(--accent),#ff8a5c);color:#fff;
  font-family:var(--font-display);font-size:32px;font-weight:800;display:flex;align-items:center;justify-content:center;
  margin:0 auto 18px;box-shadow:0 16px 40px var(--accent-glow);animation:pop .6s cubic-bezier(.5,1.6,.4,1)}
.splash-title{font-family:var(--font-display);font-size:19px;font-weight:800;margin-bottom:16px}
.splash-bar{width:220px;height:6px;border-radius:3px;background:var(--line);margin:0 auto;overflow:hidden}
.splash-bar i{display:block;height:100%;width:0%;border-radius:3px;background:linear-gradient(90deg,var(--accent),#ff8a5c);transition:width .3s}
.splash-sub{font-size:12px;color:var(--ink3);margin-top:10px}

/* ---------- 动画 ---------- */
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes pop{from{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}
@keyframes cardIn{from{opacity:0;transform:translateY(24px) scale(.97)}to{opacity:1;transform:none}}
@keyframes sheetUp{from{transform:translateY(60px);opacity:.6}to{transform:none;opacity:1}}
@keyframes toastIn{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}
@keyframes spin{to{transform:rotate(360deg)}}
.spin{animation:spin 1s linear infinite}
.stagger>*{animation:fadeUp .4s ease both}
.stagger>*:nth-child(1){animation-delay:.02s}.stagger>*:nth-child(2){animation-delay:.06s}
.stagger>*:nth-child(3){animation-delay:.1s}.stagger>*:nth-child(4){animation-delay:.14s}
.stagger>*:nth-child(5){animation-delay:.18s}.stagger>*:nth-child(6){animation-delay:.22s}
.stagger>*:nth-child(7){animation-delay:.26s}.stagger>*:nth-child(8){animation-delay:.3s}
.stagger>*:nth-child(9){animation-delay:.34s}.stagger>*:nth-child(10){animation-delay:.38s}

/* ---------- 响应式 ---------- */
@media(min-width:1024px){
  .dash-grid{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:1023px){
  #sidebar{display:none}
  #tabbar{display:flex}
  #views{padding-bottom:calc(var(--tab-h) + 26px)}
  .word-card-inner{min-height:240px}
  .word-face{padding:24px 20px}
}
@media(max-width:480px){
  #views{padding:10px 14px 90px}
  #topbar{padding:0 14px}
  .hero{padding:20px;gap:14px}
  .hero-text h1{font-size:19px}
  .wf-word{font-size:32px}
  .la-btn{width:78px}
  .la-btn .la-circle{width:50px;height:50px}
  .la-know .la-circle{width:58px;height:58px}
  .learn-actions{gap:8px}
  .sd-hero{padding:20px 18px}
  .sd-hero .sd-en{font-size:16.5px}
  .stat-cards{grid-template-columns:repeat(2,1fr)}
}

/* 打印/无障碍 */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* 账号与记录选择 */
.sync-phone-label{margin-top:16px}.name-edit{font-size:12px;color:var(--accent-deep);margin-left:8px;padding:5px}
.sync-conflict-copy{font-size:14px;color:var(--ink2);line-height:1.65;margin-bottom:15px}
.sync-choice-list{display:grid;gap:10px}.sync-choice{width:100%;padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--card2);text-align:left;display:grid;gap:5px;transition:border-color .18s,background .18s}
.sync-choice:hover,.sync-choice:focus-visible{border-color:var(--accent);background:var(--accent-soft)}
.sync-choice:disabled{opacity:.5;cursor:not-allowed}.sync-choice-title{display:flex;justify-content:space-between;font-size:15px;font-weight:750;color:var(--ink)}
.sync-choice-title span{color:var(--accent-deep)}.sync-choice-word{font-size:14px;color:var(--ink2);word-break:break-word}.sync-choice-word b{color:var(--ink)}
.sync-choice-meta,.sync-backup-note{font-size:12px;color:var(--ink3);line-height:1.5}.sync-backup-note{margin-top:13px}.sync-conflict .modal-foot{display:block}.sync-conflict .modal-foot .sync-local{width:100%}