:root{
  --primary:#2F6E8E; --primary-deep:#24566F; --primary-soft:#EAF3F7;
  --accent:#D97742; --accent-soft:#FBF0E6;
  --ok:#2E7D5B; --ok-soft:#EAF6EF;
  --warn:#B47B2D; --err:#B33A3A; --err-soft:#FBEEEE;
  --text:#1F2933; --text2:#5B6572; --line:#E3E9EE; --bg:#F6F8FA; --card:#FFFFFF;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;}
html,body{height:100%;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text); background:var(--bg); font-size:15px; line-height:1.6;
  padding-bottom:64px;
}
#app{max-width:720px;margin:0 auto;min-height:100%;}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit;}
[hidden]{display:none!important;}

/* 顶部栏 */
.topbar{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px calc(14px + env(safe-area-inset-top));background:linear-gradient(135deg,#24566F,#3A7CA5);color:#fff;
  box-shadow:0 2px 10px rgba(0,0,0,.12);
}
.brand{font-size:19px;font-weight:800;letter-spacing:1px;}
.brand-sub{font-size:11px;font-weight:400;opacity:.85;margin-left:8px;letter-spacing:.5px;}
.today-chip{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);border-radius:16px;padding:4px 12px;font-size:12.5px;}

/* 主视图 */
main{padding:12px 14px 20px;}
.view-title{font-size:17px;font-weight:700;margin:6px 2px 10px;color:var(--primary-deep);}

/* 板块筛选 chips */
.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 10px;-webkit-overflow-scrolling:touch;}
.chip{flex:none;padding:6px 14px;border-radius:18px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--text2);}
.chip.active{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:600;}
.chip .cnt{opacity:.7;font-size:11px;margin-left:3px;}

/* 搜索 */
.search{display:flex;gap:8px;margin:0 0 10px;}
.search input{flex:1;padding:10px 14px;border:1px solid var(--line);border-radius:12px;font-size:14px;background:#fff;outline:none;}
.search input:focus{border-color:var(--primary);}
.search button{padding:10px 18px;border:none;border-radius:12px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;}
.search button:active{opacity:0.8;}

/* 每日任务卡 */
.daily{background:linear-gradient(135deg,var(--primary-soft),#F2FAFD);border:1px solid #CDE3EC;border-radius:var(--radius);padding:14px 16px;margin-bottom:12px;}
.daily .d1{display:flex;justify-content:space-between;align-items:center;font-weight:700;color:var(--primary-deep);}
.daily .bar{height:8px;background:#D7E7EE;border-radius:5px;margin-top:10px;overflow:hidden;}
.daily .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),#5AA2C4);border-radius:5px;transition:width .3s;}
.daily .d2{font-size:12.5px;color:var(--text2);margin-top:8px;}
.daily .d2 b{color:var(--primary-deep);}

/* 句子列表 */
.slist{display:flex;flex-direction:column;gap:10px;}
.scard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:13px 15px;box-shadow:0 1px 3px rgba(0,0,0,.03);}
.scard .row1{display:flex;align-items:center;gap:8px;margin-bottom:6px;}
.snum{flex:none;min-width:34px;height:24px;line-height:24px;text-align:center;background:var(--primary-soft);color:var(--primary-deep);border-radius:8px;font-size:12px;font-weight:700;}
.part-badge{flex:none;font-size:11px;padding:2px 8px;border-radius:10px;}
.part-badge.完形翻译{background:#E8F1FB;color:#2A5F8F;}
.part-badge.攻克阅读{background:var(--ok-soft);color:var(--ok);}
.part-badge.写作锦囊{background:var(--accent-soft);color:#a3582a;}
.part-badge.成功英语{background:#FBE9E7;color:#B23A2E;}
.part-badge.外企英语{background:#E8F5E9;color:#2E7D32;}
.part-badge.日常口语{background:#FFF3E0;color:#E65100;}
.sen-en{font-size:15.5px;color:var(--text);font-weight:500;line-height:1.65;}
.sen-en .hlword{cursor:pointer;border-radius:3px;transition:background .15s;}
.sen-en .hlword:hover,.sen-en .hlword:active{background:#FFE9D2;}
.sen-en .hlword.core{background:rgba(47,110,142,.10);}
.sen-en .hlword.core:hover{background:#FFE9D2;}
.sen-zh{font-size:13.5px;color:var(--text2);margin-top:6px;}
.sen-meta{display:flex;align-items:center;gap:8px;margin-top:10px;}
.btn{display:inline-flex;align-items:center;gap:5px;padding:7px 13px;border-radius:10px;font-size:13px;background:var(--primary-soft);color:var(--primary-deep);font-weight:600;}
.btn:hover{background:#DCEBF2;}
.btn.solid{background:var(--primary);color:#fff;}
.btn.solid:hover{background:var(--primary-deep);}
.btn.ok{background:var(--ok-soft);color:var(--ok);}
.btn.warn{background:var(--accent-soft);color:#a3582a;}
.btn.sm{padding:5px 10px;font-size:12.5px;}
.btn .ic{font-size:13px;}
.tag{margin-left:auto;font-size:11.5px;color:var(--text2);}

/* 句子详情 */
.detail{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 16px;}
.detail .top{display:flex;align-items:center;gap:8px;margin-bottom:12px;}
.detail .back{font-size:13px;color:var(--text2);padding:5px 10px;border:1px solid var(--line);border-radius:8px;}
.detail .back:hover{background:var(--bg);}
.detail .big-en{font-size:18px;font-weight:600;line-height:1.7;color:var(--text);}
.detail .big-en .hlword{cursor:pointer;border-radius:3px;}
.detail .big-en .hlword:hover,.detail .big-en .hlword:active{background:#FFE9D2;}
.detail .actions{display:flex;gap:8px;margin:14px 0;flex-wrap:wrap;}
.sec{border-top:1px solid var(--line);padding-top:12px;margin-top:12px;}
.sec h4{font-size:13px;color:var(--primary-deep);font-weight:700;margin-bottom:6px;display:flex;align-items:center;gap:6px;}
.sec h4 .lbl{background:var(--primary-soft);padding:1px 8px;border-radius:8px;font-size:11.5px;}
.sec .zh{color:var(--text2);font-size:14px;white-space:pre-wrap;}
.sec .tip{font-size:13.5px;color:var(--text);white-space:pre-wrap;}
.sec .note{font-size:13px;color:var(--text);white-space:pre-wrap;}

/* 复习卡 */
.review{max-width:560px;margin:0 auto;text-align:center;}
.review .rcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 22px;min-height:240px;display:flex;flex-direction:column;justify-content:center;}
.review .rlabel{font-size:12px;color:var(--text2);margin-bottom:12px;}
.review .rfront{font-size:19px;font-weight:600;line-height:1.7;white-space:pre-wrap;}
.review .rfront.zh{font-size:16px;color:var(--text);font-weight:500;}
.review .rback{font-size:14px;color:var(--text2);margin-top:16px;white-space:pre-wrap;}
.review .rate{display:flex;gap:8px;margin-top:20px;flex-wrap:wrap;justify-content:center;}
.rate .btn{flex:1 1 90px;justify-content:center;padding:10px 6px;font-size:14px;}
.rate .btn.again{background:var(--err-soft);color:var(--err);}
.rate .btn.hard{background:var(--accent-soft);color:#a3582a;}
.rate .btn.good{background:var(--ok-soft);color:var(--ok);}
.rate .btn.easy{background:var(--primary-soft);color:var(--primary-deep);}
.review .btns{display:flex;gap:10px;margin-top:18px;justify-content:center;flex-wrap:wrap;}
.rprogress{font-size:12px;color:var(--text2);margin-bottom:10px;}

/* 听写 */
.practice .pcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px;max-width:560px;margin:0 auto;}
.practice .phint{font-size:13px;color:var(--text2);text-align:center;margin-bottom:14px;}
.practice textarea{width:100%;min-height:110px;padding:12px;border:1px solid var(--line);border-radius:12px;font-size:16px;line-height:1.7;outline:none;background:#fff;}
.practice textarea:focus{border-color:var(--primary);}
.presult{margin-top:12px;padding:12px;border-radius:10px;font-size:13.5px;white-space:pre-wrap;line-height:1.8;}
.presult.good{background:var(--ok-soft);color:var(--ok);}
.presult.bad{background:var(--err-soft);color:var(--err);}
.pdiff{font-size:12.5px;color:var(--text2);margin-top:8px;}
.pdiff b{color:var(--ok);}
.miss{color:var(--err);font-weight:600;}
.hit{color:var(--ok);}

/* 我的 */
.me-sec{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:12px;}
.me-sec h4{font-size:14px;color:var(--primary-deep);margin-bottom:10px;}
.stat-grid{display:flex;flex-wrap:wrap;gap:10px;}
.stat{flex:1 1 100px;text-align:center;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px 8px;}
.stat b{display:block;font-size:20px;color:var(--primary-deep);}
.stat span{font-size:12px;color:var(--text2);}
.setrow{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;}
.setrow:last-child{border-bottom:none;}
.setrow select,.setrow input[type=number]{padding:6px 10px;border:1px solid var(--line);border-radius:8px;font-size:14px;}
.rootq{width:100%;padding:10px 14px;border:1px solid var(--line);border-radius:10px;font-size:14px;margin-bottom:10px;outline:none;}
.rootq:focus{border-color:var(--primary);}
.rtable{width:100%;font-size:13px;border-collapse:collapse;}
.rtable td{border:1px solid var(--line);padding:6px 8px;text-align:left;}
.rtable td.w{font-weight:600;color:var(--primary-deep);}
.about{font-size:12.5px;color:var(--text2);line-height:1.8;}
.about b{color:var(--primary-deep);}

/* 底部导航 */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:30;max-width:720px;margin:0 auto;
  display:flex;background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0 7px;font-size:11.5px;color:var(--text2);position:relative;}
.tab .ti{font-size:19px;line-height:1;}
.tab.active{color:var(--primary-deep);font-weight:700;}
.badge{position:absolute;top:4px;right:calc(50% - 24px);min-width:17px;height:17px;line-height:17px;padding:0 4px;background:var(--err);color:#fff;border-radius:9px;font-size:10.5px;font-weight:700;}

/* 单词弹层 */
.sheet-mask{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:40;}
.sheet{position:fixed;left:0;right:0;bottom:0;max-width:720px;margin:0 auto;background:#fff;border-radius:18px 18px 0 0;z-index:41;max-height:78vh;overflow-y:auto;padding:10px 18px calc(20px + env(safe-area-inset-bottom));box-shadow:0 -6px 24px rgba(0,0,0,.12);animation:slideup .22s ease;}
@keyframes slideup{from{transform:translateY(40px);opacity:.4;}to{transform:none;opacity:1;}}
.sheet-handle{width:40px;height:4px;border-radius:2px;background:var(--line);margin:4px auto 12px;}
.whead{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;}
.whead .w{font-size:23px;font-weight:800;color:var(--primary-deep);}
.whead .ipa{font-size:15px;color:var(--accent);font-weight:600;}
.whead .pos{font-size:12.5px;color:var(--text2);}
.wbtn{display:inline-flex;align-items:center;gap:5px;margin-top:8px;padding:6px 13px;border-radius:10px;background:var(--primary-soft);color:var(--primary-deep);font-size:13px;font-weight:600;}
.wbtn:hover{background:#DCEBF2;}
.wtrans{font-size:14px;margin-top:10px;color:var(--text);white-space:pre-wrap;}
.wtrans .sense{display:block;padding:2px 0;}
.wtrans .tag{color:var(--text2);font-size:12px;}
.wroot{margin-top:14px;border-top:1px solid var(--line);padding-top:12px;}
.wroot .rlab{font-size:12.5px;color:var(--text2);margin-bottom:8px;}
.wroot .chips{display:flex;gap:6px;flex-wrap:wrap;padding:0;}
.wroot .mch{display:flex;flex-direction:column;align-items:center;padding:7px 12px;border-radius:10px;font-size:13px;}
.mch.px{background:#E8F1FB;color:#2A5F8F;}
.mch.rt{background:var(--primary-soft);color:var(--primary-deep);font-weight:700;}
.mch.sf{background:var(--accent-soft);color:#a3582a;}
.mch .mn{font-size:11px;font-weight:400;opacity:.85;margin-top:2px;}
.wroot .formula{margin-top:10px;font-size:13px;color:var(--text2);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:8px 12px;}
.wroot .formula b{color:var(--primary-deep);}
.wroot .from{font-size:12px;color:var(--text2);margin-top:8px;}
.wrelated{margin-top:12px;border-top:1px solid var(--line);padding-top:10px;}
.wrelated .rl{font-size:12.5px;color:var(--text2);margin-bottom:6px;}
.wrelated .tags{display:flex;flex-wrap:wrap;gap:6px;}
.wrelated .tags span{font-size:12px;padding:4px 10px;border-radius:12px;background:var(--bg);border:1px solid var(--line);cursor:pointer;color:var(--text);}
.wrelated .tags span:hover{background:var(--primary-soft);border-color:var(--primary);}
.wempty{color:var(--text2);font-size:13px;padding:8px 0;}
.family-list{margin-top:6px;}
.family-list li{font-size:13px;color:var(--text);margin:5px 0;list-style:none;padding-left:14px;position:relative;}
.family-list li::before{content:'';position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--primary);}

/* 空态 */
.empty{text-align:center;color:var(--text2);padding:46px 16px;font-size:14px;}
.empty .eic{font-size:34px;margin-bottom:8px;}

/* ===== 自然拼读模块 ===== */
.phy{max-width:600px;margin:0 auto;}
.phy-hero{background:linear-gradient(135deg,#EAF3F7,#F2FAFD);border:1px solid #CDE3EC;border-radius:var(--radius);padding:16px;margin-bottom:14px;}
.phy-hero h3{font-size:15px;color:var(--primary-deep);font-weight:700;margin-bottom:4px;}
.phy-hero .sub{font-size:12.5px;color:var(--text2);margin-bottom:10px;}
.decoder{display:flex;gap:8px;}
.decoder input{flex:1;padding:11px 14px;border:1px solid var(--line);border-radius:12px;font-size:16px;outline:none;background:#fff;}
.decoder input:focus{border-color:var(--primary);}
.decoder .btn{flex:none;}
.segbox{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;margin-top:10px;}
.segrow{display:flex;flex-wrap:wrap;gap:4px 2px;justify-content:center;}
.seg{display:flex;flex-direction:column;align-items:center;padding:2px 4px;border-radius:8px;}
.seg .g{font-size:19px;font-weight:700;color:var(--primary-deep);}
.seg .g.ghost{color:var(--text2);font-weight:400;}
.seg .p{font-size:11px;color:var(--accent);margin-top:1px;}
.seg.seg-hit{background:var(--primary-soft);}
.seg .rule{font-size:10px;color:var(--text2);margin-top:1px;}
.segbox .seg-ipa{font-size:15px;color:var(--accent);text-align:center;margin-top:8px;font-weight:600;}
.segbox .seg-note{font-size:11.5px;color:var(--text2);text-align:center;margin-top:4px;}
.segbox .seg-actions{display:flex;gap:8px;justify-content:center;margin-top:10px;}
.phy-cat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;}
.phy-cat-head{display:flex;align-items:center;gap:8px;padding:13px 15px;cursor:pointer;background:#fff;}
.phy-cat-head:hover{background:var(--bg);}
.phy-cat-head .cn{font-size:14.5px;font-weight:700;color:var(--primary-deep);}
.phy-cat-head .cc{font-size:11.5px;color:var(--text2);}
.phy-cat-head .arr{margin-left:auto;color:var(--text2);transition:transform .2s;font-size:13px;}
.phy-cat.open .arr{transform:rotate(90deg);}
.phy-cat-desc{font-size:12.5px;color:var(--text2);padding:0 15px 8px;}
.phy-rules{padding:0 12px 12px;display:none;}
.phy-cat.open .phy-rules{display:block;}
.rule-card{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:11px 13px;margin-bottom:8px;}
.rule-card .r1{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;}
.rule-card .pat{font-size:17px;font-weight:800;color:var(--primary-deep);letter-spacing:.5px;}
.rule-card .ipa{font-size:14px;color:var(--accent);font-weight:600;}
.rule-card .rnote{font-size:12.5px;color:var(--text2);margin-top:4px;line-height:1.55;}
.rule-card .rex{margin-top:8px;}
.rule-card .rex .lab{font-size:11px;color:var(--text2);margin-bottom:4px;}
.rule-card .tags{display:flex;flex-wrap:wrap;gap:6px;}
.rule-card .tags span{font-size:12.5px;padding:4px 10px;border-radius:12px;background:#fff;border:1px solid var(--line);cursor:pointer;color:var(--text);}
.rule-card .tags span:hover{background:var(--primary-soft);border-color:var(--primary);}
.rule-card .tags span.inbook{border-color:#BFE3D0;background:#F0FAF4;}
.rule-card .tags span .bk{font-size:10px;color:var(--ok);}
.rule-card .r1 .btn{margin-left:auto;}
.phy-sound-btn{flex:none;padding:5px 11px;border-radius:9px;background:var(--accent-soft);color:#a3582a;font-size:12.5px;font-weight:600;}
.phy-sound-btn:hover{background:#F4E2D0;}

/* 词卡内拼读区块 */
.wphy{margin-top:12px;border-top:1px solid var(--line);padding-top:12px;}
.wphy .pl{font-size:12.5px;color:var(--text2);margin-bottom:8px;}
.wphy .segrow{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px;}

/* 通用 */
.row-flex{display:flex;gap:8px;flex-wrap:wrap;}
.mt8{margin-top:8px;}
.mt12{margin-top:12px;}
.mt16{margin-top:16px;}
.hint{font-size:12px;color:var(--text2);margin-top:6px;}
.toast{position:fixed;left:50%;bottom:86px;transform:translateX(-50%);background:rgba(31,41,51,.92);color:#fff;padding:9px 18px;border-radius:20px;font-size:13.5px;z-index:60;animation:fadein .2s;}
@keyframes fadein{from{opacity:0;}to{opacity:1;}}
.spin{display:inline-block;width:14px;height:14px;border:2px solid rgba(47,110,142,.25);border-top-color:var(--primary);border-radius:50%;animation:rot .7s linear infinite;vertical-align:-2px;}
@keyframes rot{to{transform:rotate(360deg);}}

/* 登录门禁 */
.setrow b{font-size:13.5px;color:var(--primary-deep);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.auth-gate{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
  padding:24px 18px;background:linear-gradient(155deg,#24566F 0%,#2F6E8E 45%,#1B3A4C 100%);}
.auth-card{width:100%;max-width:360px;background:#fff;border-radius:18px;padding:26px 22px 20px;
  box-shadow:0 16px 48px rgba(0,0,0,.30);}
.auth-logo{font-size:32px;font-weight:800;letter-spacing:8px;text-align:center;color:var(--primary-deep);}
.auth-sub{text-align:center;font-size:13px;color:var(--text2);margin-top:6px;letter-spacing:.5px;}
.auth-tabs{display:flex;background:var(--bg);border-radius:12px;padding:4px;margin:20px 0 14px;}
.auth-tab{flex:1;padding:9px 0;border-radius:9px;font-size:14.5px;color:var(--text2);}
.auth-tab.active{background:#fff;color:var(--primary-deep);font-weight:700;box-shadow:0 1px 4px rgba(0,0,0,.08);}
.auth-input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;font-size:15px;
  margin-bottom:10px;outline:none;background:#fff;}
.auth-input:focus{border-color:var(--primary);}
.auth-btn{width:100%;padding:12px;border:none;border-radius:12px;background:var(--primary);color:#fff;
  font-size:15px;font-weight:700;letter-spacing:2px;}
.auth-btn:active{opacity:.85;}
.auth-btn:disabled{opacity:.6;}
.auth-err{background:var(--err-soft);color:var(--err);font-size:13px;padding:9px 12px;border-radius:10px;
  margin-bottom:10px;line-height:1.5;}
.auth-hint{font-size:12px;color:var(--text2);text-align:center;margin-top:12px;line-height:1.6;}
.auth-loading{text-align:center;color:var(--text2);font-size:14px;padding:26px 4px;}