:root{
  --bg:#f4f6f8;
  --bg2:#eef1f4;
  --card:#ffffff;
  --ink:#111a22;
  --ink2:#5a6672;
  --ink3:#8b96a3;
  --line:#e4e9ee;
  --line2:#d3dae1;
  --brand:#00907a;
  --brand-d:#00705f;
  --brand-s:#e6f5f2;
  --warn:#e8891b;
  --hl:rgba(255,208,0,.42);
  --hl2:rgba(0,144,122,.22);
  --shadow:0 1px 2px rgba(16,24,32,.05),0 8px 24px rgba(16,24,32,.07);
  --shadow2:0 2px 6px rgba(16,24,32,.08),0 18px 48px rgba(16,24,32,.16);
  --r:14px;
  --r-s:9px;
  --topbar-h:60px;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{margin:0;padding:0;height:100%}
body{
  background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;color:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit;font-size:inherit}
img{display:block;max-width:100%}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#c9d2da;border-radius:6px;border:2px solid var(--bg)}
::-webkit-scrollbar-track{background:transparent}

/* ---------- shell ---------- */
.app{min-height:100%;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:60;height:var(--topbar-h);
  background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:0 18px;
}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:-.2px;flex:0 0 auto}
.brand .logo{
  width:28px;height:28px;border-radius:8px;background:linear-gradient(140deg,#00a88e,#007a68);
  display:grid;place-items:center;color:#fff;font-size:15px;font-weight:800;
  box-shadow:0 2px 6px rgba(0,144,122,.35)
}
.brand small{display:block;font-weight:500;font-size:11px;color:var(--ink3);letter-spacing:0;margin-top:-2px}
.crumb{font-size:13px;color:var(--ink2);display:flex;align-items:center;gap:7px;min-width:0;flex:1 1 auto}
.crumb b{color:var(--ink);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.crumb .sep{color:var(--ink3)}
.topacts{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.searchbox{position:relative;width:280px;max-width:34vw}
.searchbox input{
  width:100%;padding:8px 34px 8px 34px;border:1px solid var(--line2);border-radius:999px;
  background:#fff;outline:none;transition:.15s
}
.searchbox input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-s)}
.searchbox .ic{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--ink3);font-size:14px}
.searchbox kbd{
  position:absolute;right:9px;top:50%;transform:translateY(-50%);font-size:10px;color:var(--ink3);
  border:1px solid var(--line2);border-radius:5px;padding:1px 5px;background:#fafbfc;font-family:inherit
}
.btn{
  display:inline-flex;align-items:center;gap:6px;padding:8px 13px;border-radius:10px;
  border:1px solid var(--line2);background:#fff;font-size:13.5px;font-weight:500;transition:.15s;white-space:nowrap
}
.btn:hover{border-color:var(--brand);color:var(--brand-d);background:var(--brand-s)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-d);border-color:var(--brand-d);color:#fff}
.btn.ghost{border-color:transparent;background:transparent}
.btn.ghost:hover{background:var(--brand-s)}
.btn.on{background:var(--brand-s);border-color:var(--brand);color:var(--brand-d)}
.btn.icon{padding:8px 10px}
.btn.sm{padding:5px 10px;font-size:12.5px;border-radius:8px}
.wrap{max-width:1240px;margin:0 auto;padding:26px 22px 80px;width:100%}
.wrap.wide{max-width:1560px}

/* ---------- home ---------- */
.hero{
  background:linear-gradient(135deg,#00a88e 0%,#00806e 55%,#00635a 100%);
  color:#fff;border-radius:20px;padding:34px 34px 30px;position:relative;overflow:hidden;
  box-shadow:0 14px 40px rgba(0,120,104,.24)
}
.hero:after{content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.09)}
.hero:before{content:"";position:absolute;right:60px;bottom:-100px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.06)}
.hero h1{margin:0 0 8px;font-size:30px;letter-spacing:-.6px;line-height:1.2}
.hero p{margin:0;opacity:.9;font-size:14.5px;max-width:640px}
.stats{display:flex;gap:26px;margin-top:22px;flex-wrap:wrap;position:relative}
.stat b{display:block;font-size:24px;font-weight:700;letter-spacing:-.5px}
.stat span{font-size:12px;opacity:.82}
.hero .cta{margin-top:24px;display:flex;gap:10px;flex-wrap:wrap;position:relative}
.hero .cta .btn{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3);color:#fff;backdrop-filter:blur(6px)}
.hero .cta .btn:hover{background:rgba(255,255,255,.24);color:#fff;border-color:rgba(255,255,255,.5)}
.hero .cta .btn.solid{background:#fff;color:var(--brand-d);border-color:#fff}
.hero .cta .btn.solid:hover{background:#eef7f5;color:var(--brand-d)}

.secttl{display:flex;align-items:baseline;gap:12px;margin:34px 0 14px}
.secttl h2{margin:0;font-size:19px;letter-spacing:-.3px}
.secttl .sub{font-size:13px;color:var(--ink3)}
.secttl .more{margin-left:auto;font-size:13px;color:var(--brand-d)}

.sections{display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));gap:16px}
.scard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;transition:.18s;box-shadow:var(--shadow)
}
.scard:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow2)}
.scard .cover{height:150px;background:#fff;overflow:hidden;position:relative}
.scard .cover img{width:100%;height:100%;object-fit:cover;object-position:top center}
.scard .cover:after{content:"";position:absolute;inset:auto 0 0 0;height:46px;background:linear-gradient(transparent,rgba(255,255,255,.96))}
.scard .cover .tag{
  position:absolute;left:10px;top:10px;background:rgba(17,26,34,.72);color:#fff;font-size:11px;
  padding:3px 8px;border-radius:6px;backdrop-filter:blur(4px)
}
.scard .body{padding:13px 15px 15px}
.scard h3{margin:0 0 3px;font-size:16px;letter-spacing:-.2px}
.scard .zh{font-size:12px;color:var(--ink3);margin-bottom:8px}
.scard .meta{font-size:12px;color:var(--ink2);display:flex;gap:10px;align-items:center}
.bar{height:5px;border-radius:3px;background:var(--bg2);overflow:hidden;margin-top:9px}
.bar i{display:block;height:100%;background:linear-gradient(90deg,#00b89a,#00806e);border-radius:3px;transition:width .3s}

/* ---------- topic cards ---------- */
.topics{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:15px}
.tcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-s);overflow:hidden;transition:.16s;box-shadow:var(--shadow);display:flex;flex-direction:column}
.tcard:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow2)}
.tcard .cover{position:relative;aspect-ratio:553/660;background:#fff;overflow:hidden}
.tcard .cover img{width:100%;height:100%;object-fit:cover;object-position:top center}
.tcard .no{
  position:absolute;left:0;top:0;background:var(--brand);color:#fff;font-size:12px;font-weight:700;
  padding:3px 9px 4px;border-bottom-right-radius:9px;letter-spacing:.4px
}
.tcard .done{position:absolute;right:7px;top:7px;background:rgba(0,144,122,.92);color:#fff;font-size:11px;padding:2px 7px;border-radius:20px}
.tcard .body{padding:10px 12px 12px}
.tcard h3{margin:0;font-size:14px;font-weight:600;letter-spacing:-.1px;line-height:1.35}
.tcard .meta{font-size:11.5px;color:var(--ink3);margin-top:4px}

/* ---------- reader ---------- */
.reader{display:flex;gap:0;height:calc(100vh - var(--topbar-h));overflow:hidden}
.stage{flex:1 1 auto;position:relative;background:#e9edf1;overflow:hidden;
  background-image:radial-gradient(rgba(17,26,34,.055) 1px,transparent 1px);background-size:22px 22px}
.canvaswrap{position:absolute;inset:0;overflow:auto;padding:26px;display:flex;align-items:flex-start;justify-content:center}
.canvas{position:relative;transform-origin:0 0;box-shadow:0 6px 30px rgba(16,24,32,.18);background:#fff;flex:0 0 auto}
.canvas img.pageimg{width:100%;height:auto;display:block;user-select:none;-webkit-user-drag:none}
.hot{position:absolute;border-radius:4px;cursor:pointer;transition:background .13s,box-shadow .13s}
.hot:before{content:"";position:absolute;inset:0;border-radius:4px;border:1px dashed rgba(0,144,122,.34);opacity:.75}
.hot:hover{background:var(--hl);box-shadow:0 0 0 2px rgba(0,144,122,.5)}
.hot:hover:before{opacity:0}
.hot.active{background:var(--hl2);box-shadow:0 0 0 3px var(--brand);animation:pulse 1.15s ease-out 2}
@keyframes pulse{0%{box-shadow:0 0 0 3px rgba(0,144,122,.85)}100%{box-shadow:0 0 0 12px rgba(0,144,122,0)}}
.hot.done:after{content:"";position:absolute;right:-3px;top:-3px;width:8px;height:8px;border-radius:50%;background:var(--brand);border:1.5px solid #fff;box-shadow:0 0 0 1px rgba(0,0,0,.06)}
.mask{position:absolute;border-radius:4px;background:#fff;cursor:pointer;transition:opacity .16s;display:none;box-shadow:0 0 0 3px #fff}
.hidden .mask{display:block}
.mask:hover{opacity:.72;box-shadow:0 0 0 2px rgba(0,144,122,.45)}
.mask.revealed{background:var(--hl);opacity:1;box-shadow:0 0 0 2px rgba(232,168,0,.55)}
.hidden .hot{display:none}

.zoombar{position:absolute;left:50%;transform:translateX(-50%);bottom:16px;z-index:20;
  display:flex;align-items:center;gap:4px;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:999px;padding:5px;box-shadow:var(--shadow)}
.zoombar .z{min-width:52px;text-align:center;font-size:12.5px;color:var(--ink2);font-variant-numeric:tabular-nums}
.pagerbar{position:absolute;right:16px;bottom:16px;z-index:20;display:flex;gap:6px}
.hintbar{position:absolute;left:16px;bottom:20px;z-index:20;font-size:12px;color:var(--ink2);
  background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:9px;padding:6px 11px;box-shadow:var(--shadow)}

.side{
  flex:0 0 348px;background:var(--card);border-left:1px solid var(--line);
  display:flex;flex-direction:column;overflow:hidden
}
.side.hide{display:none}
.sidehead{padding:13px 16px 11px;border-bottom:1px solid var(--line)}
.sidehead h3{margin:0 0 3px;font-size:15px}
.sidehead .meta{font-size:12px;color:var(--ink3);display:flex;gap:10px;flex-wrap:wrap}
.sidehead .tools{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.groupttl{font-size:11px;letter-spacing:.9px;color:var(--ink3);padding:12px 16px 5px;text-transform:uppercase;font-weight:600}
.wlist{overflow:auto;flex:1 1 auto;padding-bottom:24px}
.wrow{display:flex;align-items:flex-start;gap:10px;padding:7px 14px 7px 16px;cursor:pointer;border-left:3px solid transparent}
.wrow:hover{background:var(--brand-s);border-left-color:var(--brand)}
.wrow.active{background:var(--brand-s);border-left-color:var(--brand)}
.wrow .mk{
  flex:0 0 auto;min-width:24px;height:24px;padding:0 4px;border-radius:12px;background:var(--bg2);
  color:var(--ink2);font-size:11.5px;font-weight:700;display:grid;place-items:center;margin-top:1px;
  font-variant-numeric:tabular-nums
}
.wrow .w{flex:1 1 auto;font-size:14.5px;font-weight:500;word-break:break-word}
.wrow .w i{font-style:normal;color:var(--ink3);font-weight:400;font-size:12.5px}
.wrow .acts{display:flex;gap:2px;opacity:0;transition:.12s;flex:0 0 auto}
.wrow:hover .acts,.wrow.active .acts{opacity:1}
.wrow .acts button{width:26px;height:26px;border-radius:7px;display:grid;place-items:center;color:var(--ink3);font-size:13px}
.wrow .acts button:hover{background:#fff;color:var(--brand-d)}
.wrow .acts button.on{color:var(--brand);background:#fff}
.wrow.done .w{color:var(--ink2)}

/* word popup */
.pop{
  position:fixed;z-index:120;background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow2);padding:14px 16px 13px;width:300px;animation:popin .16s ease-out
}
@keyframes popin{from{opacity:0;transform:translateY(6px) scale(.97)}to{opacity:1;transform:none}}
.pop .top{display:flex;align-items:center;gap:9px;margin-bottom:6px}
.pop .mk{min-width:29px;height:29px;padding:0 6px;border-radius:15px;background:var(--brand);color:#fff;
  font-size:13px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.pop .word{font-size:19px;font-weight:600;letter-spacing:-.2px;line-height:1.25}
.pop .ctx{font-size:12px;color:var(--ink3);margin-top:3px}
.pop .row{display:flex;gap:6px;margin-top:11px;flex-wrap:wrap}
.pop .close{position:absolute;right:9px;top:9px;width:24px;height:24px;border-radius:6px;color:var(--ink3);display:grid;place-items:center;font-size:15px}
.pop .close:hover{background:var(--bg2)}

/* flash / quiz banner */
.quizbar{
  position:absolute;left:50%;transform:translateX(-50%);top:14px;z-index:25;display:flex;gap:10px;align-items:center;
  background:rgba(17,26,34,.86);color:#fff;border-radius:999px;padding:7px 8px 7px 16px;font-size:13px;
  box-shadow:var(--shadow2);backdrop-filter:blur(8px)
}
.quizbar .btn{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.22);color:#fff;padding:5px 11px;font-size:12.5px}
.quizbar .btn:hover{background:rgba(255,255,255,.25);color:#fff}

/* search results */
.sres{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:13px}
.wcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-s);overflow:hidden;display:flex;gap:11px;padding:9px;cursor:pointer;transition:.15s;box-shadow:var(--shadow)}
.wcard:hover{border-color:var(--brand);transform:translateY(-2px)}
.wcard .th{flex:0 0 74px;width:74px;height:88px;border-radius:6px;overflow:hidden;background:var(--bg2)}
.wcard .th img{width:100%;height:100%;object-fit:cover;object-position:top center}
.wcard .bd{min-width:0;flex:1 1 auto;padding-top:2px}
.wcard .bd>*{display:block}
.wcard .w{font-size:15px;font-weight:600;letter-spacing:-.1px;word-break:break-word}
.wcard .loc{font-size:11.5px;color:var(--ink3);margin-top:4px}
.wcard .tg{margin-top:6px;font-size:11px;color:var(--ink2);background:var(--bg2);border-radius:5px;padding:2px 7px;width:fit-content}

.empty{text-align:center;color:var(--ink3);padding:70px 20px}
.empty .big{font-size:40px;margin-bottom:10px;opacity:.5}
.alpha{display:flex;flex-wrap:wrap;gap:5px;margin:14px 0 8px}
.alpha a{width:28px;height:28px;border-radius:7px;display:grid;place-items:center;font-size:12.5px;border:1px solid var(--line);background:#fff;color:var(--ink2)}
.alpha a:hover{border-color:var(--brand);color:var(--brand-d);background:var(--brand-s)}
.chips{display:flex;gap:7px;flex-wrap:wrap;margin:10px 0 4px}
.chip{padding:5px 11px;border-radius:999px;border:1px solid var(--line2);background:#fff;font-size:12.5px}
.chip:hover{border-color:var(--brand);color:var(--brand-d)}
.chip.on{background:var(--brand);border-color:var(--brand);color:#fff}

/* toast */
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:28px;z-index:200;background:rgba(17,26,34,.9);
  color:#fff;padding:9px 16px;border-radius:10px;font-size:13px;opacity:0;pointer-events:none;transition:.2s}
.toast.show{opacity:1}

.spinner{width:26px;height:26px;border:3px solid var(--line2);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- user / auth ---------- */
.userc{position:relative;display:flex;align-items:center}
.ubadge{font-size:11.5px;color:var(--ink2);background:var(--bg2);border:1px solid var(--line);border-radius:999px;padding:4px 10px;white-space:nowrap}
.uchip{display:flex;align-items:center;gap:7px;padding:4px 10px 4px 4px;border:1px solid var(--line2);border-radius:999px;background:#fff;cursor:pointer;transition:.15s;user-select:none}
.uchip:hover{border-color:var(--brand);background:var(--brand-s)}
.uchip .av{width:25px;height:25px;border-radius:50%;background:linear-gradient(140deg,#00a88e,#007a68);color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center;flex:0 0 auto}
.uchip .un{font-size:13px;font-weight:600;max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.uchip .car{font-size:9px;color:var(--ink3)}
.umenu{position:absolute;right:0;top:calc(100% + 8px);z-index:130;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow2);min-width:200px;padding:6px;animation:popin .14s ease-out}
.umenu[hidden]{display:none}
.umenu .umhead{padding:8px 10px 9px;border-bottom:1px solid var(--line);margin-bottom:5px}
.umenu .umhead b{display:block;font-size:13.5px}
.umenu .umhead small{color:var(--ink3);font-size:11.5px}
.umenu a,.umenu button{display:block;width:100%;text-align:left;padding:8px 10px;border-radius:8px;font-size:13.5px}
.umenu a:hover,.umenu button:hover{background:var(--brand-s);color:var(--brand-d)}
.umenu #logoutbtn{color:#c0392b}
.umenu #logoutbtn:hover{background:#fdecea;color:#c0392b}
.searchbox input:disabled{background:#f6f8fa;color:var(--ink3);cursor:not-allowed}
#starbtn.lock{opacity:.35;pointer-events:none}

.guestbar{display:flex;align-items:center;gap:14px;margin-top:18px;background:#fff8e6;border:1px solid #f0dca8;border-radius:14px;padding:14px 18px}
.guestbar .gi{font-size:22px;flex:0 0 auto}
.guestbar>div{flex:1 1 auto;min-width:0}
.guestbar b{display:block;font-size:14px;margin-bottom:2px}
.guestbar span{font-size:12.5px;color:var(--ink2)}
.lkmini{color:var(--warn);font-weight:600}

/* ---------- lock (未登录拦截) ---------- */
.lockwrap{display:flex;justify-content:center;padding:30px 0 60px}
.lockcard{width:100%;max-width:880px;background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:36px 40px 28px;text-align:center}
.lkicon{font-size:42px;line-height:1}
.lockcard h1{margin:12px 0 10px;font-size:23px;letter-spacing:-.4px}
.lockcard>p{margin:0 auto 26px;max-width:620px;color:var(--ink2);font-size:14px}
.opts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;text-align:left}
.opt{position:relative;display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line2);border-radius:14px;padding:18px 16px 44px;transition:.16s;cursor:pointer;text-align:left}
.opt:hover{border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-2px)}
.opt.on{border-color:var(--brand);background:var(--brand-s)}
.opt .oi{font-size:24px;line-height:1}
.opt b{font-size:15px}
.opt i{font-style:normal;font-size:12.5px;color:var(--ink3);line-height:1.5}
.opt .go{position:absolute;left:16px;bottom:14px;font-size:12.5px;color:var(--brand-d);font-weight:600}
.opt.o-wx:hover,.opt.o-wx.on{border-color:#07c160}
.opt.o-wx.on{background:#eefaf1}
.qrbox{margin-top:20px;border:1px solid var(--line);border-radius:16px;background:#fbfdfc;padding:22px;display:flex;gap:26px;align-items:center;text-align:left;animation:popin .18s ease-out}
.qrbox[hidden]{display:none}
.qrimg{flex:0 0 200px;width:200px;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#fff}
.qrimg img{width:100%;display:block}
.qrinfo{flex:1 1 auto;min-width:0}
.qrinfo h4{margin:0 0 6px;font-size:16px}
.qrinfo p{margin:0 0 12px;font-size:13px;color:var(--ink2)}
.wxid{font-size:13px;color:var(--ink2);display:flex;align-items:center;gap:8px;margin-bottom:14px;background:#fff;border:1px dashed var(--line2);border-radius:9px;padding:8px 12px;width:fit-content;max-width:100%}
.wxid b{color:var(--ink);letter-spacing:.3px}
.lkfoot{margin-top:24px;font-size:13px}
.lkfoot a{color:var(--ink3)}
.lkfoot a:hover{color:var(--brand-d)}

/* ---------- login ---------- */
.loginwrap{display:flex;justify-content:center;padding:30px 0 60px}
.logincard{width:100%;max-width:432px;background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:26px 30px 24px}
.backlink{font-size:12.5px;color:var(--ink3)}
.backlink:hover{color:var(--brand-d)}
.logincard h1{margin:10px 0 6px;font-size:22px;letter-spacing:-.4px}
.logincard .sub{margin:0 0 18px;font-size:13px;color:var(--ink3)}
.tabs{display:flex;gap:4px;background:var(--bg2);border-radius:10px;padding:4px;margin-bottom:18px}
.tabs button{flex:1 1 0;padding:8px;border-radius:7px;font-size:13.5px;color:var(--ink2);font-weight:500}
.tabs button.on{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(16,24,32,.1);font-weight:600}
.fld{display:block;margin-bottom:13px}
.fld>span{display:block;font-size:12.5px;color:var(--ink2);margin-bottom:5px}
.fld>span i{font-style:normal;color:var(--ink3)}
.fld input{width:100%;padding:10px 12px;border:1px solid var(--line2);border-radius:10px;background:#fff;outline:none;transition:.15s}
.fld input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-s)}
.btn.wide{width:100%;justify-content:center;padding:11px;font-size:14px;margin-top:6px}
.err{background:#fdecea;border:1px solid #f5c6c0;color:#b3261e;font-size:12.5px;border-radius:9px;padding:8px 12px;margin-bottom:11px}
.err[hidden]{display:none}
.altact{margin-top:14px;text-align:center}
.altact .btn{width:100%;justify-content:center;font-size:13px}

/* ---------- account ---------- */
.acct{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;align-items:start}
.acard{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:20px 22px}
.acard h3{margin:0 0 4px;font-size:16px}
.acard .ameta{font-size:12.5px;color:var(--ink3);margin-bottom:14px}
.astats{display:flex;gap:24px;margin-bottom:16px}
.astats span{font-size:12px;color:var(--ink3)}
.astats b{display:block;font-size:20px;color:var(--ink)}
.arow{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- 账号管理 ---------- */
.admhead{display:flex;align-items:flex-end;gap:14px;margin:4px 0 18px}
.admhead h1{margin:0;font-size:24px;letter-spacing:-.5px}
.admsub{font-size:13px;color:var(--ink3);margin-top:6px}
.admsub b{color:var(--ink);font-weight:700}
.admstats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:18px}
.ast{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow)}
.ast b{display:block;font-size:24px;font-weight:700;letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.ast span{font-size:12px;color:var(--ink3)}
.admtools{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.searchbox.small{width:230px}
.seg{display:flex;gap:3px;background:var(--bg2);border-radius:9px;padding:3px}
.seg button{padding:6px 12px;border-radius:7px;font-size:13px;color:var(--ink2)}
.seg button.on{background:#fff;color:var(--ink);font-weight:600;box-shadow:0 1px 3px rgba(16,24,32,.1)}
.sel{padding:8px 10px;border:1px solid var(--line2);border-radius:9px;background:#fff;font-family:inherit;font-size:13px;color:inherit;outline:none}
.sel:focus{border-color:var(--brand)}
.admtblwrap{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:auto}
.admtbl{width:100%;border-collapse:collapse;font-size:13.5px;min-width:1000px}
.admtbl thead th{
  text-align:left;font-size:11.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--ink3);
  font-weight:600;padding:12px 12px;border-bottom:1px solid var(--line);white-space:nowrap;background:#fafbfc;
  position:sticky;top:0;z-index:2
}
.admtbl td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:middle;white-space:nowrap}
.admtbl tbody tr:last-child td{border-bottom:0}
.admtbl tbody tr:hover{background:#f7faf9}
.admtbl tr.off{background:#fcfcfd;color:var(--ink2)}
.admtbl tr.off .admu{text-decoration:line-through;text-decoration-color:var(--ink3);opacity:.75}
.admtbl .num{text-align:right;font-variant-numeric:tabular-nums}
.admtbl .mini{font-size:12px;color:var(--ink3);font-variant-numeric:tabular-nums}
.admtbl .act{text-align:right}
.admtbl th.num{text-align:right}
.admtbl th.act{text-align:right}
.admu{font-weight:600}
.you{margin-left:6px;font-size:10.5px;background:var(--brand);color:#fff;border-radius:20px;padding:1px 7px;vertical-align:1px}
.rtag,.sttag{font-size:11.5px;border-radius:20px;padding:2px 9px;white-space:nowrap}
.rtag.adm{background:#eaf0ff;color:#3457c4}
.rtag.usr{background:var(--bg2);color:var(--ink2)}
.sttag.on{background:var(--brand-s);color:var(--brand-d)}
.sttag.off{background:#fdecea;color:#b3261e}
.admbts{display:flex;gap:3px;justify-content:flex-end}
.admbts button{width:28px;height:28px;border-radius:7px;display:grid;place-items:center;font-size:13px;border:1px solid transparent}
.admbts button:hover{background:var(--brand-s);border-color:var(--line2)}
.admbts button.danger:hover{background:#fdecea;border-color:#f5c6c0}
.admnote{margin-top:12px;font-size:12px;color:var(--ink3);line-height:1.7}
.admnote code{background:var(--bg2);padding:1px 5px;border-radius:4px;font-size:11.5px}

/* 弹窗 */
.admmask{position:fixed;inset:0;z-index:300;background:rgba(17,26,34,.42);display:grid;place-items:center;padding:20px;animation:fadein .14s ease-out}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.admmodal{background:#fff;border-radius:16px;box-shadow:0 24px 60px rgba(16,24,32,.32);width:100%;max-width:430px;padding:22px 24px 18px;animation:popin .16s ease-out;max-height:90vh;overflow:auto}
.admmodal h3{margin:0 0 6px;font-size:17px;letter-spacing:-.2px}
.admmodal .msub{margin:0 0 16px;font-size:13px;color:var(--ink2);line-height:1.6}
.admmodal .msub code{background:var(--bg2);padding:1px 5px;border-radius:4px;font-size:12px}
.admmodal .mbd{margin-bottom:4px}
.admmodal .mft{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}
.btn.danger{background:#c0392b;border-color:#c0392b;color:#fff}
.btn.danger:hover{background:#a93226;border-color:#a93226;color:#fff}
.pwrow{display:flex;gap:6px}
.pwrow input{flex:1 1 auto;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:1px}
.credbox{border:1px solid var(--line);border-radius:11px;background:#fafcfb;padding:14px 16px}
.credbox div{display:flex;align-items:center;gap:12px;padding:5px 0}
.credbox div+div{border-top:1px dashed var(--line2)}
.credbox span{width:56px;color:var(--ink3);font-size:12px;flex:0 0 auto}
.credbox b{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:16px;letter-spacing:1.2px}
.umenu a.adminlnk{color:#3457c4;font-weight:600}

@media (max-width:1080px){
  .side{position:fixed;right:0;top:var(--topbar-h);bottom:0;width:min(380px,88vw);z-index:70;box-shadow:var(--shadow2)}
  .searchbox{width:210px}
  .opts{grid-template-columns:1fr 1fr}
  .opts .opt:last-child{grid-column:1/-1}
}
@media (max-width:760px){
  .lockcard{padding:26px 20px 22px}
  .lockcard h1{font-size:19px}
  .opts{grid-template-columns:1fr}
  .opts .opt:last-child{grid-column:auto}
  .qrbox{flex-direction:column;gap:16px}
  .qrimg{flex:0 0 auto;width:min(280px,80vw);margin:0 auto}
  .guestbar{flex-direction:column;align-items:flex-start;gap:10px}
  .guestbar .btn{width:100%;justify-content:center}
  .uchip .un{display:none}
}
@media (max-width:720px){
  :root{--topbar-h:56px}
  .wrap{padding:16px 13px 70px}
  .hero{padding:24px 20px;border-radius:16px}
  .hero h1{font-size:23px}
  .stats{gap:18px}
  .stat b{font-size:19px}
  .brand small{display:none}
  .searchbox{width:150px}
  .searchbox kbd{display:none}
  .canvaswrap{padding:10px}
  .hintbar{display:none}
  .crumb .sep,.crumb .tp{display:none}
}

/* ---------------- 页脚（备案 / 联系 / 赞赏） ---------------- */
.foot{margin-top:auto;border-top:1px solid var(--line);background:var(--card)}
.fin{max-width:1240px;margin:0 auto;padding:14px 22px;display:flex;flex-wrap:wrap;align-items:center;
     justify-content:center;gap:6px 10px;font-size:13px;color:var(--ink2)}
.flink{background:none;border:0;padding:0;font:inherit;color:var(--ink2);cursor:pointer;
       text-decoration:none;display:inline-flex;align-items:center;gap:5px}
.flink:hover{color:var(--brand);text-decoration:underline}
.fsep{color:var(--line2);user-select:none}
.dmask{position:fixed;inset:0;z-index:80;background:rgba(15,23,32,.55);backdrop-filter:blur(2px);
       display:flex;align-items:center;justify-content:center;padding:20px}
.dmask[hidden]{display:none}
.dcard{position:relative;background:var(--card);border-radius:16px;padding:22px 22px 18px;max-width:340px;width:100%;
       box-shadow:0 18px 50px rgba(15,23,32,.28);text-align:center}
.dcard img{width:100%;border-radius:10px;display:block}
.dtip{margin:12px 0 2px;font-size:14px;font-weight:600;color:var(--ink)}
.dmail{margin:2px 0 0;font-size:12.5px;color:var(--ink2)}
.dmail a{color:var(--brand);text-decoration:none}
.dmail a:hover{text-decoration:underline}
.dclose{position:absolute;top:8px;right:8px;width:30px;height:30px;border-radius:50%;border:0;cursor:pointer;
        background:var(--bg2);color:var(--ink);font-size:14px;line-height:1}
.dclose:hover{background:var(--line)}

/* ---------------- 顶栏 VIP 按钮 ---------------- */
.vipbtn{border-color:#f0d9a8;background:linear-gradient(135deg,#fff8ec,#fdeecb);color:#8a6116;font-weight:600}
.vipbtn:hover{border-color:#e3b95f;background:#fdeecb}

/* ---------------- VIP 会员购买页 ---------------- */
.viphead{text-align:center;margin:6px 0 22px}
.viphead h1{margin:0 0 8px;font-size:26px}
.viphead p{margin:0;color:var(--ink2)}
.viphead b{color:#b8860b}
.vipgrid{display:flex;gap:20px;align-items:flex-start;max-width:1080px;margin:0 auto}
.vipmain{flex:1 1 auto;min-width:0;background:var(--card);border:1px solid var(--line);border-radius:16px;
         padding:22px;box-shadow:var(--shadow)}
.plans{display:flex;gap:12px}
.plan{position:relative;flex:1;background:var(--bg2);border:1.5px solid var(--line);border-radius:12px;
      padding:16px 10px 13px;cursor:pointer;text-align:center;font-family:inherit;transition:all .15s}
.plan:hover{border-color:var(--brand)}
.plan.on{border-color:#e0543f;background:#fdf1ee;box-shadow:0 4px 14px rgba(224,84,63,.14)}
.plan .ptag{position:absolute;top:-9px;left:50%;transform:translateX(-50%);white-space:nowrap;
            background:#e0543f;color:#fff;font-size:11px;padding:1px 8px;border-radius:999px}
.plan .pname{display:block;font-size:14px;color:var(--ink2)}
.plan .pprice{display:block;margin:6px 0 2px;font-size:15px;color:var(--ink)}
.plan .pprice i{font-style:normal;font-size:30px;font-weight:800;letter-spacing:-1px}
.plan.on .pprice{color:#e0543f}
.plan .punit{display:block;font-size:12px;color:var(--ink3)}
.plan .ptip{display:block;margin-top:6px;font-size:12px;color:var(--ink2)}
.plan.on .ptip{color:#c14a37}
.vipnote{margin:12px 2px 0;font-size:12.5px;color:var(--ink3)}
.vttl{margin:24px 0 10px;font-size:16px;font-weight:700}
.vtablewrap{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.vtable{width:100%;border-collapse:collapse;font-size:13.5px}
.vtable th,.vtable td{padding:11px 14px;border-top:1px solid var(--line);text-align:center;color:var(--ink2)}
.vtable thead th{border-top:0;background:var(--bg2);font-weight:600;color:var(--ink)}
.vtable .tf{text-align:left;width:38%;color:var(--ink)}
.vtable .vipcol{background:#fffaf0}
.vtable thead .vipcol{color:#b8860b;font-weight:800}
.vtable tbody .vipcol b{color:#b8860b}
.vipfaq{margin-top:20px;padding:14px 16px;background:var(--brand-s);border-radius:12px;
        font-size:13px;line-height:1.9;color:var(--brand-d)}
.paycard{flex:0 0 300px;background:var(--card);border:1px solid var(--line);border-radius:16px;
         padding:20px;text-align:center;box-shadow:var(--shadow)}
.payhd{font-size:15px;font-weight:700;color:#1aad19}
.payprice{margin:12px 0 4px;font-size:16px;color:var(--ink)}
.payprice b{font-size:34px;font-weight:800;letter-spacing:-1px;color:#e0543f}
.payprice span{display:block;margin-top:4px;font-size:12.5px;color:var(--ink2)}
.payqr{margin-top:10px}
.payqr img{width:100%;max-width:220px;height:auto;object-fit:contain;
           border-radius:10px}
.paymail{margin-top:12px;font-size:12.5px;color:var(--ink2)}
.paymail a{color:var(--brand);text-decoration:none}
.paymail a:hover{text-decoration:underline}
.pagree{margin:12px 0 0;font-size:11.5px;line-height:1.7;color:var(--ink3);text-align:left}
@media (max-width:900px){
  .vipgrid{flex-direction:column}
  .paycard{flex:none;width:100%}
  .payqr img{width:180px;height:180px}
  .plans{flex-wrap:wrap}
  .plan{min-width:140px}
}