/* ==========================================================================
   IAS Service Knowledge Base — design system
   Brand: deep blue #14288C / teal #19C8AA
   ========================================================================== */

:root{
  --brand:#14288C;
  --brand-600:#2233a8;
  --brand-100:#E8EBF9;
  --brand-050:#F2F4FC;
  --teal:#19C8AA;
  --teal-dark:#0FA890;
  --teal-100:#E2FAF5;

  --ink:#0E1730;
  --ink-2:#2B3654;
  --muted:#5C6885;
  --muted-2:#8A94AC;
  --line:#E5E8F1;
  --line-2:#EFF1F7;
  --bg:#F4F6FB;
  --card:#FFFFFF;

  --danger:#C62828;
  --danger-bg:#FDECEC;
  --warn:#A86200;
  --warn-bg:#FFF6E5;
  --info:#14487F;
  --info-bg:#ECF3FC;
  --ok:#0B7A5D;
  --ok-bg:#E6F7F2;

  --r-xs:6px; --r-sm:9px; --r:13px; --r-lg:18px; --r-xl:24px;
  --sh-1:0 1px 2px rgba(16,24,64,.05), 0 1px 3px rgba(16,24,64,.04);
  --sh-2:0 4px 16px rgba(16,24,64,.07), 0 1px 3px rgba(16,24,64,.04);
  --sh-3:0 18px 48px rgba(16,24,64,.16);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sidebar-w:272px;
  --topbar-h:66px;
}

*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  font-size:15px;line-height:1.65;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--teal-100);color:var(--ink)}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:4px}
.muted{color:var(--muted)}
.mono{font-family:var(--mono)}
[hidden]{display:none !important}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:40px;padding:0 17px;border-radius:10px;font-weight:600;font-size:14px;
  background:var(--card);color:var(--ink-2);border:1px solid var(--line);
  transition:.16s ease;white-space:nowrap;
}
.btn:hover{background:var(--brand-050);border-color:#D3D8EA}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(20,40,140,.20)}
.btn--primary:hover{background:var(--brand-600);border-color:var(--brand-600);box-shadow:0 8px 22px rgba(20,40,140,.26)}
.btn--teal{background:var(--teal);border-color:var(--teal);color:#053B33}
.btn--teal:hover{background:var(--teal-dark);border-color:var(--teal-dark);color:#fff}
.btn--ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn--ghost:hover{background:var(--brand-050);color:var(--brand)}
.btn--danger{color:var(--danger);border-color:#F3CDCD;background:#fff}
.btn--danger:hover{background:var(--danger-bg)}
.btn--sm{height:33px;padding:0 12px;font-size:13px;border-radius:8px}
.btn--block{width:100%}
.btn[disabled]{opacity:.55;pointer-events:none}
.iconbtn{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  color:var(--muted);font-size:15px;transition:.15s;
}
.iconbtn:hover{background:var(--brand-050);color:var(--brand)}
.langbtn{
  height:33px;padding:0 11px;border:1px solid var(--line);border-radius:99px;
  background:#fff;font-size:12.5px;font-weight:700;letter-spacing:.02em;color:var(--muted-2);
  display:inline-flex;align-items:center;gap:5px;transition:.15s;
}
.langbtn:hover{border-color:#CFD6EA;color:var(--ink-2)}
.langbtn__sep{opacity:.45}
html[data-lang="zh"] .langbtn__zh{color:var(--brand)}
html[data-lang="en"] .langbtn__en{color:var(--brand)}

/* ---------- chips / tags ---------- */
.chip{
  display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 9px;
  border-radius:99px;background:var(--brand-050);color:var(--brand);
  font-size:11.5px;font-weight:700;letter-spacing:.01em;white-space:nowrap;
}
.chip--teal{background:var(--teal-100);color:#067A66}
.chip--gray{background:#F0F2F7;color:var(--muted)}
.chip--code{background:#FFF1E8;color:#9A4A00;font-family:var(--mono);font-weight:700}
.chip--danger{background:var(--danger-bg);color:var(--danger)}
.chip--draft{background:#FFF6E5;color:var(--warn)}

.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{
  height:25px;padding:0 9px;border-radius:7px;border:1px solid var(--line);
  background:#fff;color:var(--muted);font-size:12px;display:inline-flex;align-items:center;
  transition:.15s;
}
.tag:hover{border-color:var(--teal);color:var(--teal-dark);background:var(--teal-100)}
.tag.is-on{background:var(--brand);border-color:var(--brand);color:#fff}
.tags--side .tag{font-size:11.5px;height:23px}

/* ==========================================================================
   LOGIN
   ========================================================================== */
.login{min-height:100dvh;display:grid;grid-template-columns:1.05fr .95fr;background:#fff}
.login__brand{
  position:relative;padding:64px 60px;display:flex;flex-direction:column;justify-content:center;
  background:linear-gradient(160deg,#14288C 0%,#16227A 46%,#0E6E7E 100%);
  color:#fff;overflow:hidden;
}
.login__brand::before{
  content:"";position:absolute;right:-160px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(25,200,170,.55),transparent 62%);
}
.login__brand::after{
  content:"";position:absolute;left:-120px;bottom:-180px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at 60% 40%,rgba(255,255,255,.14),transparent 65%);
}
/* --- brand lockup: 迅杰光远 / IAS ANALYSIS 标准组合标志 --- */
.login__logo{position:relative;display:block;margin-bottom:50px}
.login__logo img{height:52px;width:auto;display:block}
.login__logo .mark{font-size:30px;font-weight:800;letter-spacing:.06em}
.login__logo .mark-sub{font-size:10.5px;letter-spacing:.34em;opacity:.72;font-weight:600}
.login__brand h1{position:relative;font-size:42px;line-height:1.18;letter-spacing:-.015em;font-weight:700}
.login__sub{position:relative;margin-top:16px;font-size:15px;line-height:1.75;max-width:26em;color:rgba(255,255,255,.82)}
.login__points{position:relative;margin-top:44px;display:grid;gap:16px;max-width:29em}
.login__points li{display:grid;grid-template-columns:74px 1fr;gap:14px;align-items:baseline;font-size:13.5px}
.login__points b{font-weight:700;color:#7FE9D6;letter-spacing:.02em}
.login__points span{color:rgba(255,255,255,.76);line-height:1.6}
.login__foot{position:relative;margin-top:auto;padding-top:56px;font-size:11.5px;letter-spacing:.06em;color:rgba(255,255,255,.5)}

.login__panel{padding:44px 56px;display:flex;flex-direction:column;justify-content:center;align-items:center}
.login__panelTop{width:100%;max-width:376px;display:flex;justify-content:flex-end;margin-bottom:28px}
.login__form{width:100%;max-width:376px}
.login__form h2{font-size:25px;letter-spacing:-.01em}
.login__form > .muted{font-size:13.5px;margin-top:6px;margin-bottom:26px}
.field{display:block;margin-bottom:15px}
.field > span:first-child{display:block;font-size:12.5px;font-weight:700;color:var(--ink-2);margin-bottom:7px}
.field input{
  width:100%;height:44px;padding:0 13px;border:1px solid var(--line);border-radius:10px;
  background:#FBFBFE;transition:.15s;
}
.field input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3.5px rgba(20,40,140,.10)}
.field__wrap{position:relative;display:block}
.field__eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:8px;color:var(--muted-2)}
.field__eye:hover{background:var(--brand-050);color:var(--brand)}
.check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin:4px 0 20px}
.check input{width:15px;height:15px;accent-color:var(--brand)}
.login__error{background:var(--danger-bg);color:var(--danger);font-size:13px;padding:9px 12px;border-radius:8px;margin-bottom:14px}
.login__tip{margin-top:18px;font-size:12px;color:var(--muted-2);line-height:1.7;text-align:center}
.login__tip code{background:#F1F3F9;padding:1px 6px;border-radius:5px;font-family:var(--mono);font-size:11.5px;color:var(--ink-2)}

/* ==========================================================================
   APP SHELL
   ========================================================================== */
.app{display:flex;min-height:100dvh}
.sidebar{
  width:var(--sidebar-w);flex:0 0 var(--sidebar-w);background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:sticky;top:0;height:100dvh;z-index:40;
  overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:#DDE1EC;border-radius:99px}
.sidebar::-webkit-scrollbar-thumb:hover{background:#C9CFDE}
.logo{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:16px 20px 12px;border-bottom:1px solid var(--line-2);margin-bottom:6px}
.logo__img{height:30px;width:auto;display:block}
.logo__mark{
  width:38px;height:38px;border-radius:11px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:13px;letter-spacing:.04em;
  box-shadow:0 6px 16px rgba(20,40,140,.28);position:relative;overflow:hidden;
}
.logo__mark::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--teal)}
.logo__txt{display:flex;flex-direction:column;line-height:1.3;padding-left:1px}
.logo__txt b{font-size:12.5px;font-weight:600;letter-spacing:.02em;color:var(--muted)}
.logo__txt i{font-style:normal;font-size:9.5px;letter-spacing:.15em;color:var(--muted-2);text-transform:uppercase}

.nav{padding:6px 12px 4px;display:grid;gap:2px}
.nav__item{
  display:flex;align-items:center;gap:10px;height:38px;padding:0 10px;border-radius:9px;
  color:var(--ink-2);font-size:13.5px;font-weight:600;transition:.14s;
}
.nav__item .ico{width:16px;text-align:center;color:var(--muted-2);font-size:13px}
.nav__item:hover{background:var(--brand-050);color:var(--brand)}
.nav__item.is-on{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(20,40,140,.20)}
.nav__item.is-on .ico{color:rgba(255,255,255,.8)}
.nav__count{
  margin-left:auto;font-style:normal;font-size:11px;font-weight:700;padding:1px 7px;border-radius:99px;
  background:#EEF0F7;color:var(--muted);
}
.nav__item.is-on .nav__count{background:rgba(255,255,255,.2);color:#fff}

.nav__group{padding:14px 18px 0;min-height:0;display:flex;flex-direction:column}
.nav__group:first-of-type{overflow:auto}
.nav__groupHead{
  display:flex;align-items:center;gap:8px;font-size:10.5px;font-weight:800;letter-spacing:.14em;
  color:var(--muted-2);text-transform:uppercase;margin-bottom:9px;
}
.nav__groupHead::after{content:"";flex:1;height:1px;background:var(--line-2)}

.tree{display:grid;gap:1px;padding-bottom:6px}
.tree__prod{
  display:flex;align-items:center;gap:8px;height:32px;padding:0 8px;border-radius:8px;
  font-size:13px;font-weight:700;color:var(--ink-2);transition:.14s;
}
.tree__prod:hover{background:var(--brand-050);color:var(--brand)}
.tree__prod .dot{width:6px;height:6px;border-radius:2px;background:var(--teal);flex:0 0 auto}
.tree__prod em{margin-left:auto;font-style:normal;font-size:11px;color:var(--muted-2);font-weight:600}
.tree__sub{display:grid;gap:0;margin:2px 0 6px 14px;border-left:1px solid var(--line-2);padding-left:6px}
.tree__sub a{
  display:flex;align-items:center;gap:6px;min-height:27px;padding:3px 8px;border-radius:7px;
  font-size:12.5px;color:var(--muted);transition:.14s;
}
.tree__sub a:hover{background:var(--brand-050);color:var(--brand)}
.tree__sub a.is-on{background:var(--brand-100);color:var(--brand);font-weight:700}
.tree__sub em{margin-left:auto;font-style:normal;font-size:10.5px;color:var(--muted-2)}

.sidebar__foot{margin-top:auto;padding:12px;border-top:1px solid var(--line-2);display:grid;gap:8px;
  position:sticky;bottom:0;background:#fff;flex-shrink:0;z-index:2}
.sidebar__user{display:flex;align-items:center;gap:9px;padding:6px 6px 2px}
.avatar{
  width:32px;height:32px;border-radius:9px;background:var(--brand-100);color:var(--brand);
  display:grid;place-items:center;font-weight:800;font-size:13px;flex:0 0 auto;
}
.sidebar__userInfo{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.sidebar__userInfo b{font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar__userInfo i{font-style:normal;font-size:10.5px;color:var(--muted-2)}
.sidebar__user .iconbtn{margin-left:auto;width:28px;height:28px}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:30;height:var(--topbar-h);display:flex;align-items:center;gap:14px;
  padding:0 26px;background:rgba(244,246,251,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(229,232,241,.9);
}
.iconbtn--menu{display:none}
.topbar__right{margin-left:auto;display:flex;align-items:center;gap:10px}

.search{position:relative;flex:1;max-width:600px}
.search__ico{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted-2);font-size:15px}
.search input{
  width:100%;height:40px;padding:0 70px 0 38px;border-radius:11px;border:1px solid var(--line);
  background:#fff;transition:.15s;font-size:13.5px;
}
.search input::-webkit-search-cancel-button{-webkit-appearance:none}
.search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3.5px rgba(20,40,140,.09)}
.search__kbd{
  position:absolute;right:9px;top:50%;transform:translateY(-50%);font-family:var(--font);
  font-size:10.5px;font-weight:700;color:var(--muted-2);background:#F3F5FA;border:1px solid var(--line);
  padding:2px 6px;border-radius:5px;
}
.search__panel{
  position:absolute;left:0;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--line);
  border-radius:var(--r);box-shadow:var(--sh-3);overflow:hidden;max-height:min(64vh,520px);overflow-y:auto;
  animation:pop .14s ease;
}
@keyframes pop{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:none}}
.sr{display:grid;gap:1px;padding:6px}
.sr__item{display:flex;gap:11px;align-items:flex-start;padding:9px 11px;border-radius:9px;cursor:pointer}
.sr__item:hover,.sr__item.is-act{background:var(--brand-050)}
.sr__ico{
  width:26px;height:26px;border-radius:7px;background:var(--brand-100);color:var(--brand);
  display:grid;place-items:center;font-size:12px;font-weight:800;flex:0 0 auto;margin-top:1px;
}
.sr__b{min-width:0;flex:1}
.sr__t{display:block;font-size:13.5px;font-weight:600;line-height:1.45;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sr__m{display:block;font-size:11.5px;color:var(--muted-2);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sr__empty{padding:22px 16px;text-align:center;color:var(--muted-2);font-size:13px}
.sr__foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 14px;
  border-top:1px solid var(--line-2);background:#FCFCFE;font-size:11.5px;color:var(--muted-2);
}
mark{background:#FFF3B8;color:inherit;border-radius:3px;padding:0 1px}

.view{padding:26px 30px 64px;max-width:1180px;width:100%;margin:0 auto;outline:none}
.view--wide{max-width:1320px}

/* ---------- page head ---------- */
.pagehead{margin-bottom:22px}
.crumb{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted-2);margin-bottom:10px;flex-wrap:wrap}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.5}
.pagehead h1{font-size:25px;letter-spacing:-.015em;line-height:1.3;font-weight:700}
.pagehead p{margin-top:6px;color:var(--muted);font-size:13.5px}
.pagehead__row{display:flex;align-items:flex-start;gap:16px;flex-wrap:wrap}
.pagehead__row > .grow{flex:1;min-width:220px}
.pagehead__actions{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-1)}
.card__head{display:flex;align-items:center;gap:10px;padding:15px 18px;border-bottom:1px solid var(--line-2)}
.card__head h3{font-size:14px;font-weight:700}
.card__head .btn{margin-left:auto}
.card__body{padding:16px 18px}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 17px;
  box-shadow:var(--sh-1);position:relative;overflow:hidden;
}
.stat::after{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:var(--brand);opacity:.9}
.stat--teal::after{background:var(--teal)}
.stat--amber::after{background:#E8A33D}
.stat--slate::after{background:#9AA6C4}
.stat__k{font-size:11.5px;font-weight:700;letter-spacing:.04em;color:var(--muted-2);text-transform:uppercase}
.stat__v{font-size:27px;font-weight:750;letter-spacing:-.02em;margin-top:5px;line-height:1.1}
.stat__s{font-size:11.5px;color:var(--muted-2);margin-top:3px}

.hero{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:26px 28px;margin-bottom:22px;
  background:linear-gradient(120deg,#14288C 0%,#1B2C8F 52%,#0E6E7E 100%);color:#fff;
  box-shadow:0 16px 40px rgba(20,40,140,.20);
}
.hero::before{
  content:"";position:absolute;right:-120px;top:-140px;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,rgba(25,200,170,.5),transparent 62%);
}
.hero h2{font-size:21px;letter-spacing:-.01em;position:relative}
.hero p{margin-top:7px;color:rgba(255,255,255,.78);font-size:13.5px;max-width:44em;position:relative}
.hero__search{position:relative;margin-top:18px;max-width:520px}
.hero__search input{
  width:100%;height:44px;border-radius:11px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.13);padding:0 44px 0 15px;color:#fff;font-size:14px;
}
.hero__search input::placeholder{color:rgba(255,255,255,.62)}
.hero__search input:focus{outline:none;background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.5)}
.hero__search .go{position:absolute;right:7px;top:7px;width:30px;height:30px;border-radius:8px;background:var(--teal);color:#04352E;display:grid;place-items:center;font-weight:800}

.grid2{display:grid;grid-template-columns:1.55fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}

.prodcard{
  display:flex;gap:14px;padding:14px;border:1px solid var(--line);border-radius:var(--r);
  background:#fff;box-shadow:var(--sh-1);transition:.16s;align-items:center;
}
.prodcard:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6DCF0}
.prodcard__img{width:66px;height:66px;border-radius:10px;object-fit:cover;flex:0 0 auto;background:#EEF1F8}
.prodcard__b{min-width:0}
.prodcard__b b{display:block;font-size:14.5px;letter-spacing:-.01em}
.prodcard__b span{display:block;font-size:12px;color:var(--muted-2);margin-top:2px}
.prodcard__b .chips{margin-top:7px;display:flex;gap:5px;flex-wrap:wrap}

.codebar{display:flex;flex-wrap:wrap;gap:7px}
.codebar button{
  border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 11px;font-size:12.5px;
  font-family:var(--mono);font-weight:700;color:var(--ink-2);transition:.14s;
}
.codebar button:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-050)}
.codebar small{display:block;font-family:var(--font);font-weight:600;font-size:10.5px;color:var(--muted-2);margin-top:1px}

/* ---------- filters ---------- */
.filters{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.filters select,.filters input[type=search]{
  height:36px;min-width:120px;padding:0 11px;border:1px solid var(--line);border-radius:9px;background:#fff;
  font-size:13px;color:var(--ink-2);transition:.15s;
}
.filters select:focus,.filters input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,40,140,.08)}
.filters .spacer{flex:1}
.filters__res{font-size:12.5px;color:var(--muted-2)}
.filters__res b{color:var(--ink);font-weight:700}

/* ---------- list table ---------- */
.tablewrap{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-1)}
table.kb{width:100%;border-collapse:collapse;font-size:13.5px}
table.kb thead th{
  text-align:left;font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted-2);
  font-weight:800;padding:11px 14px;background:#FAFBFE;border-bottom:1px solid var(--line);white-space:nowrap;
  position:sticky;top:0;
}
table.kb thead th.sortable{cursor:pointer;user-select:none}
table.kb thead th.sortable:hover{color:var(--brand)}
table.kb tbody td{padding:12px 14px;border-bottom:1px solid var(--line-2);vertical-align:top}
table.kb tbody tr:last-child td{border-bottom:0}
table.kb tbody tr:hover{background:#FBFCFE}
table.kb .t-title{font-weight:650;color:var(--ink);display:block;line-height:1.45}
table.kb .t-title:hover{color:var(--brand)}
table.kb .t-sum{color:var(--muted-2);font-size:12px;margin-top:3px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
table.kb .t-cat{color:var(--muted);font-size:12.5px;white-space:nowrap}
table.kb .num{font-variant-numeric:tabular-nums;color:var(--muted);font-size:12.5px}
table.kb .actions{display:flex;gap:4px;justify-content:flex-end}
table.kb .actions button{
  width:29px;height:29px;border-radius:7px;display:grid;place-items:center;color:var(--muted-2);font-size:13px;
}
table.kb .actions button:hover{background:var(--brand-050);color:var(--brand)}
table.kb .actions button.is-danger:hover{background:var(--danger-bg);color:var(--danger)}

.pager{display:flex;align-items:center;gap:8px;justify-content:center;padding:14px}
.pager button{
  min-width:32px;height:32px;padding:0 9px;border-radius:8px;border:1px solid var(--line);
  background:#fff;font-size:12.5px;font-weight:600;color:var(--ink-2);
}
.pager button:hover{border-color:var(--brand);color:var(--brand)}
.pager button.is-on{background:var(--brand);border-color:var(--brand);color:#fff}
.pager button[disabled]{opacity:.4;pointer-events:none}
.pager .info{font-size:12px;color:var(--muted-2);margin-right:6px}

.empty{padding:56px 20px;text-align:center;color:var(--muted-2)}
.empty b{display:block;font-size:15px;color:var(--ink-2);margin-bottom:5px}
.empty p{font-size:13px}

/* ==========================================================================
   ARTICLE
   ========================================================================== */
.article{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.article__head{padding:24px 30px 20px;border-bottom:1px solid var(--line-2);background:linear-gradient(180deg,#FCFDFF,#fff)}
.article__head h1{font-size:26px;line-height:1.32;letter-spacing:-.018em;font-weight:750;margin-top:8px}
.article__sum{margin-top:10px;color:var(--muted);font-size:14px;line-height:1.7;max-width:56em}
.article__meta{display:flex;flex-wrap:wrap;gap:7px;align-items:center;margin-top:13px}
.article__body{padding:8px 30px 30px;max-width:920px}
.article__foot{display:flex;align-items:center;gap:10px;padding:14px 30px;border-top:1px solid var(--line-2);background:#FCFCFE;flex-wrap:wrap}
.article__foot .spacer{flex:1}

.b-h3{
  font-size:16px;font-weight:750;letter-spacing:-.005em;margin:26px 0 10px;padding-left:12px;position:relative;
  color:var(--brand);line-height:1.5;
}
.b-h3::before{content:"";position:absolute;left:0;top:.42em;width:3px;height:1em;border-radius:2px;background:var(--teal)}
.b-h4{
  font-size:14px;font-weight:750;margin:18px 0 8px;color:var(--ink-2);
  display:flex;align-items:center;gap:8px;
}
.b-h4::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);opacity:.55;flex:0 0 auto}
.b-p{margin:9px 0;color:var(--ink-2);line-height:1.78;font-size:14.2px}
/* 原手册行内标注符号（红圈/箭头/加减号）：与文字同高、随基线对齐 */
.b-ic{
  height:1.18em;width:auto;vertical-align:-0.22em;margin:0 1px;
  display:inline-block;max-width:2.6em;object-fit:contain;
}
.b-list{margin:8px 0;display:grid;gap:6px}
.b-list li{position:relative;padding-left:17px;color:var(--ink-2);line-height:1.75;font-size:14.2px}
.b-list li::before{
  content:"";position:absolute;left:3px;top:.66em;width:5px;height:5px;border-radius:50%;
  background:var(--brand);opacity:.42;
}
.b-list li b{font-weight:700}

.b-note{
  display:flex;gap:11px;margin:14px 0;padding:13px 15px;border-radius:11px;font-size:13.5px;line-height:1.7;
  background:var(--info-bg);color:var(--info);border:1px solid #D8E6F8;border-left:3px solid var(--info);
}
.b-note__ico{font-size:14px;flex:0 0 auto;line-height:1.6}
.b-note--warn{background:var(--warn-bg);color:var(--warn);border-color:#F6E1BB;border-left-color:#E8A33D}
.b-note--danger{background:var(--danger-bg);color:var(--danger);border-color:#F6D5D5;border-left-color:var(--danger)}
.b-note--ok{background:var(--ok-bg);color:var(--ok);border-color:#C9EEE3;border-left-color:var(--ok)}
.b-note b{font-weight:750}

/* step card */
.step{
  margin:12px 0;padding:15px 17px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#FCFDFF;position:relative;transition:.15s;
}
.step:hover{border-color:#D5DCF0;background:#fff;box-shadow:var(--sh-1)}
.step__head{display:flex;align-items:flex-start;gap:10px}
.step__badge{
  flex:0 0 auto;min-width:28px;height:24px;padding:0 8px;border-radius:7px;
  background:var(--brand);color:#fff;font-size:11.5px;font-weight:800;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.step__title{font-size:14.2px;font-weight:700;color:var(--ink);line-height:1.55;padding-top:1px}
.step__lines{margin-top:9px;display:grid;gap:5px;padding-left:38px}
.step__lines li{position:relative;padding-left:15px;font-size:13.8px;line-height:1.72;color:var(--ink-2)}
.step__lines li::before{content:"";position:absolute;left:2px;top:.68em;width:4px;height:4px;border-radius:50%;background:var(--muted-2);opacity:.6}
.step__lines li.is-num{padding-left:0}
.step__lines li.is-num::before{display:none}
.step__fig{margin:12px 0 1px;padding-left:0}

/* figure */
.fig{margin:16px 0;display:grid;gap:7px;justify-items:center}
.fig__btn{
  border-radius:10px;overflow:hidden;border:1px solid var(--line);background:#F7F9FC;cursor:zoom-in;
  display:block;max-width:100%;position:relative;transition:.16s;
}
.fig__btn:hover{border-color:#C9D2EA;box-shadow:var(--sh-2)}
.fig__btn::after{
  content:"⌕";position:absolute;right:8px;top:8px;width:24px;height:24px;border-radius:7px;
  background:rgba(14,23,48,.62);color:#fff;display:grid;place-items:center;font-size:12px;
  opacity:0;transition:.16s;
}
.fig__btn:hover::after{opacity:1}
.fig img{width:100%;height:auto;max-height:520px;object-fit:contain;display:block}
.fig figcaption{font-size:12px;color:var(--muted-2);text-align:center;line-height:1.6;max-width:52em}
.step__fig img{max-height:420px}

/* data table */
.b-tablewrap{margin:14px 0;border:1px solid var(--line);border-radius:10px;overflow:auto;max-height:520px}
table.b-table{width:100%;border-collapse:collapse;font-size:13px}
table.b-table th{
  background:#F7F9FD;font-weight:750;color:var(--ink-2);text-align:left;padding:8px 11px;
  border-bottom:1px solid var(--line);position:sticky;top:0;white-space:nowrap;font-size:12.5px;
}
table.b-table td{padding:7px 11px;border-bottom:1px solid var(--line-2);color:var(--ink-2);vertical-align:top}
table.b-table tr:last-child td{border-bottom:0}
table.b-table tbody tr:nth-child(even){background:#FCFDFF}

/* TOC in article */
.toc{
  margin:0 0 4px;padding:12px 15px;border:1px solid var(--line);border-radius:11px;background:#FAFBFE;
  display:grid;gap:3px;
}
.toc b{font-size:11px;letter-spacing:.1em;color:var(--muted-2);text-transform:uppercase;margin-bottom:3px}
.toc a{font-size:13px;color:var(--ink-2);padding:3px 0;display:block}
.toc a:hover{color:var(--brand)}

/* prev/next */
.pn{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.pn a{
  padding:12px 15px;border:1px solid var(--line);border-radius:11px;background:#fff;transition:.15s;
  display:grid;gap:3px;
}
.pn a:hover{border-color:var(--brand);box-shadow:var(--sh-1)}
.pn small{font-size:11px;color:var(--muted-2)}
.pn span{font-size:13.5px;font-weight:650}
.pn .next{text-align:right}

/* ==========================================================================
   SEARCH PAGE
   ========================================================================== */
.searchpage__box{position:relative;margin-bottom:18px}
.searchpage__box input{
  width:100%;height:52px;border-radius:13px;border:1px solid var(--line);background:#fff;
  padding:0 120px 0 46px;font-size:15px;box-shadow:var(--sh-1);transition:.15s;
}
.searchpage__box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(20,40,140,.09)}
.searchpage__box .ico{position:absolute;left:17px;top:50%;transform:translateY(-50%);color:var(--muted-2);font-size:17px}
.searchpage__box .btn{position:absolute;right:8px;top:8px}
.hits{display:grid;gap:10px}
.hit{
  display:block;padding:15px 17px;border:1px solid var(--line);border-radius:var(--r);background:#fff;
  transition:.15s;box-shadow:var(--sh-1);
}
.hit:hover{border-color:#CCD5EE;box-shadow:var(--sh-2);transform:translateY(-1px)}
.hit__top{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.hit__t{font-size:15px;font-weight:700;letter-spacing:-.01em}
.hit__m{display:flex;gap:7px;flex-wrap:wrap;margin-top:7px}
.hit__s{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.7}
.hit__snips{margin-top:9px;display:grid;gap:4px}
.hit__snip{font-size:12.5px;color:var(--muted);line-height:1.65;padding-left:11px;border-left:2px solid var(--line);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.sugg{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px}

/* ==========================================================================
   LIGHTBOX / MODAL / TOAST
   ========================================================================== */
.lightbox{
  position:fixed;inset:0;z-index:120;background:rgba(8,12,26,.92);display:grid;place-items:center;
  padding:44px 68px;animation:fade .16s ease;
}
@keyframes fade{from{opacity:0}to{opacity:1}}
.lb__fig{margin:0;display:grid;gap:10px;justify-items:center;max-width:100%;max-height:100%}
.lb__fig img{max-width:100%;max-height:calc(100dvh - 132px);object-fit:contain;border-radius:8px;background:#fff}
.lb__fig figcaption{color:rgba(255,255,255,.78);font-size:13px;text-align:center;max-width:60em}
.lb__close{
  position:absolute;right:18px;top:16px;width:38px;height:38px;border-radius:10px;
  background:rgba(255,255,255,.12);color:#fff;font-size:16px;display:grid;place-items:center;
}
.lb__close:hover{background:rgba(255,255,255,.22)}
.lb__nav{
  position:absolute;top:50%;transform:translateY(-50%);width:44px;height:60px;border-radius:11px;
  background:rgba(255,255,255,.1);color:#fff;font-size:26px;display:grid;place-items:center;
}
.lb__nav:hover{background:rgba(255,255,255,.22)}
.lb__prev{left:14px}.lb__next{right:14px}
.lb__count{
  position:absolute;left:50%;bottom:14px;transform:translateX(-50%);color:rgba(255,255,255,.6);
  font-size:12px;font-variant-numeric:tabular-nums;
}

.modal{position:fixed;inset:0;z-index:110;background:rgba(10,16,36,.45);display:grid;place-items:center;padding:24px;animation:fade .14s}
.modal__box{
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-3);width:100%;max-width:620px;
  max-height:88vh;overflow:auto;animation:pop .18s ease;
}
.modal__box--wide{max-width:980px}
.mhead{display:flex;align-items:center;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line-2);position:sticky;top:0;background:#fff;z-index:2}
.mhead h3{font-size:16px;font-weight:750}
.mhead .iconbtn{margin-left:auto}
.mbody{padding:20px 22px}
.mfoot{display:flex;gap:9px;justify-content:flex-end;padding:14px 22px;border-top:1px solid var(--line-2);background:#FCFCFE;position:sticky;bottom:0}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.form-grid .full{grid-column:1/-1}
.f-row{display:grid;gap:6px}
.f-row > label{font-size:12px;font-weight:700;color:var(--ink-2)}
.f-row input,.f-row select,.f-row textarea{
  width:100%;height:39px;padding:0 11px;border:1px solid var(--line);border-radius:9px;background:#FCFDFF;transition:.15s;
}
.f-row textarea{height:auto;padding:10px 11px;line-height:1.7;resize:vertical;font-size:13px;min-height:96px}
.f-row input:focus,.f-row select:focus,.f-row textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(20,40,140,.08)}
.f-hint{font-size:11.5px;color:var(--muted-2);line-height:1.6}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:16px 0 14px}
.tabs button{
  padding:8px 13px;font-size:13px;font-weight:650;color:var(--muted);border-bottom:2px solid transparent;
  margin-bottom:-1px;border-radius:7px 7px 0 0;
}
.tabs button:hover{color:var(--brand);background:var(--brand-050)}
.tabs button.is-on{color:var(--brand);border-bottom-color:var(--brand)}

/* tag picker */
.tagpick{display:flex;flex-wrap:wrap;gap:6px}
.tagpick .tag{cursor:pointer;user-select:none;height:25px;font-size:12px}
#edBodyZh,#edBodyEn{
  width:100%;font-family:var(--mono,ui-monospace,SFMono-Regular,Menlo,Consolas,monospace);font-size:12.5px;line-height:1.75;
}
.edbar{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.edbar .btn--danger{margin-left:0}

/* ---- access control ---- */
.vispick{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px;padding:10px;border:1px dashed var(--line);border-radius:9px;background:#FCFDFF}
.vispick .tag{height:26px;font-size:12px;cursor:pointer;color:var(--ink-2);background:#fff}
.vispick .tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-050)}
.vispick .tag.is-on::before{content:"✓ ";font-weight:700}
.vispick .tag i{font-style:normal;opacity:.55;margin-left:5px;font-size:10.5px}
/* inline checkbox row (e.g. “apply to other models”) */
.f-check{display:flex;align-items:flex-start;gap:8px;margin-top:10px;padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:#FCFDFF;cursor:pointer;font-size:13px;line-height:1.5;color:var(--ink-2)}
.f-check:hover{border-color:var(--brand);background:var(--brand-050)}
.f-check input{width:15px;height:15px;margin:2px 0 0;flex:0 0 auto;accent-color:var(--brand);cursor:pointer}
.f-check span{flex:1 1 auto}
.vistag{
  display:inline-flex;align-items:center;gap:4px;height:22px;padding:0 8px;border-radius:99px;
  font-size:11.5px;font-weight:650;white-space:nowrap;
}
.vistag--all{background:var(--teal-100,#E6FAF7);color:#0B6B5C}
.vistag--lock{background:#FFF4E2;color:#8A5A00}
.vistag--on{background:#EAF7EE;color:#1F7A3D}
.vistag--off{background:#F2F3F7;color:var(--muted)}
.chip--lock{background:#FFF4E2;color:#8A5A00;border-color:#F3DFBE}
.lockhint{
  margin-top:12px;display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:#8A5A00;
  background:rgba(255,255,255,.72);border:1px solid #F3DFBE;border-radius:99px;padding:5px 12px;
}
.lockbox{
  max-width:560px;margin:8vh auto;text-align:center;background:#fff;border:1px solid var(--line);
  border-radius:18px;padding:44px 34px;box-shadow:var(--sh-2,0 8px 26px rgba(16,26,52,.07));
}
.lockbox__ico{font-size:34px;margin-bottom:10px}
.lockbox h1{font-size:17px;font-weight:750;margin-bottom:8px}
.lockbox p{font-size:13px;color:var(--muted);line-height:1.75;margin-bottom:14px}

/* image picker modal */
.imggrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:9px;max-height:52vh;overflow:auto;padding:2px}
.imgpick{
  padding:0;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff;aspect-ratio:4/3;
  display:flex;align-items:center;justify-content:center;transition:.15s;cursor:pointer;
}
.imgpick img{width:100%;height:100%;object-fit:cover;display:block}
.imgpick:hover{border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,40,140,.10);transform:translateY(-1px)}
@media (max-width:720px){
  .imggrid{grid-template-columns:repeat(auto-fill,minmax(78px,1fr));max-height:44vh}
  .edbar .f-hint{display:none}
}

.toast{
  position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:200;
  background:#101A34;color:#fff;font-size:13.5px;padding:11px 18px;border-radius:11px;
  box-shadow:var(--sh-3);display:flex;align-items:center;gap:9px;animation:pop .16s ease;max-width:88vw;
}
.toast--ok::before{content:"✓";color:var(--teal);font-weight:800}
.toast--err::before{content:"!";color:#FF8A8A;font-weight:800}

/* ---------- misc ---------- */
.sec{margin-bottom:26px}
.sec__head{display:flex;align-items:baseline;gap:10px;margin-bottom:12px}
.sec__head h2{font-size:16px;font-weight:750;letter-spacing:-.01em}
.sec__head span{font-size:12.5px;color:var(--muted-2)}
.sec__head .btn,.sec__head a{margin-left:auto}
.linky{color:var(--brand);font-size:12.5px;font-weight:650}
.linky:hover{text-decoration:underline}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--teal);display:inline-block;vertical-align:middle}

.kbdhint{font-size:11.5px;color:var(--muted-2)}
.kbdhint kbd{background:#F1F3F9;border:1px solid var(--line);border-radius:5px;padding:1px 5px;font-family:var(--mono);font-size:10.5px}

.scrim{display:none}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:1180px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid2{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr 1fr}
}
@media (max-width:980px){
  .login{grid-template-columns:1fr}
  .login__brand{padding:44px 30px;min-height:auto}
  .login__points,.login__foot{display:none}
  .login__brand h1{font-size:31px}
  .login__logo{margin-bottom:26px}
  .login__panel{padding:34px 24px 48px}

  .sidebar{
    position:fixed;left:0;top:0;transform:translateX(-100%);transition:transform .22s ease;
    box-shadow:var(--sh-3);
  }
  .app.is-open .sidebar{transform:none}
  .app.is-open .scrim{display:block;position:fixed;inset:0;z-index:35;background:rgba(10,16,36,.38);animation:fade .16s}
  .iconbtn--menu{display:grid}
  .topbar{padding:0 14px;gap:9px}
  .search{max-width:none}
  .search__kbd{display:none}
  .view{padding:18px 15px 56px}
  .article__head{padding:18px 18px 16px}
  .article__body{padding:6px 18px 22px}
  .article__foot{padding:12px 18px}
  .article__head h1{font-size:21px}
  .stats{grid-template-columns:1fr 1fr;gap:10px}
  .grid3{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .tablekick{display:none}
  table.kb thead th:nth-child(2),table.kb tbody td:nth-child(2){display:none}
  .pn{grid-template-columns:1fr}
  .lightbox{padding:52px 12px}
  .lb__nav{width:36px;height:48px;font-size:22px}
  .step__lines{padding-left:0}
}
@media (max-width:560px){
  .stats{grid-template-columns:repeat(2,1fr);gap:10px}
  .stat{padding:12px 13px}
  .stat__v{font-size:24px}
  .view--wide table.kb thead th:nth-child(4),.view--wide table.kb tbody td:nth-child(4){display:none}
  .hero{padding:20px}
}

/* ==========================================================================
   LEARNING PROGRESS
   ========================================================================== */

/* ---- 侧边栏完成率徽标 ---- */
.nav__count--prog{background:var(--teal-100);color:#067A66}
.nav__count--prog.is-done{background:var(--teal);color:#04352E}

/* ---- 概览页进度条幅 ---- */
.progbanner{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);padding:13px 18px 13px 14px;margin-bottom:20px;
  box-shadow:var(--sh-1);transition:.15s;
}
.progbanner:hover{border-color:#C9D2EE;box-shadow:var(--sh-2);transform:translateY(-1px)}
.progbanner__ring{
  position:relative;flex:0 0 48px;width:48px;height:48px;border-radius:50%;
  background:conic-gradient(var(--teal) var(--p),#E9EDF6 0);display:grid;place-items:center;
}
.progbanner__ring::before{content:"";position:absolute;inset:4px;border-radius:50%;background:#fff}
.progbanner__ring i{position:relative;font-style:normal;font-size:12.5px;font-weight:800;color:var(--brand);letter-spacing:-.02em}
.progbanner__b{display:flex;flex-direction:column;gap:2px;min-width:0}
.progbanner__b b{font-size:14px}
.progbanner__b span{font-size:12.5px;color:var(--muted)}
.progbanner__go{margin-left:auto;font-size:12.5px;font-weight:700;color:var(--brand);white-space:nowrap}

/* ---- 进度条 ---- */
.prog{display:flex;flex-direction:column;gap:8px}
.prog__bar{height:9px;border-radius:99px;background:#EDF0F7;overflow:hidden}
.prog__bar i{
  display:block;height:100%;width:var(--p,0%);border-radius:99px;
  background:linear-gradient(90deg,var(--brand),var(--teal));transition:width .45s ease;
}
.prog__meta{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted)}
.prog--sm{flex-direction:row;align-items:center;gap:8px}
.prog--sm .prog__bar{flex:1;height:7px}
.prog__pct{font-size:11.5px;font-weight:700;color:var(--brand);min-width:34px;text-align:right;font-variant-numeric:tabular-nums}
.stat__v small{font-size:16px;font-weight:600;margin-left:2px;opacity:.5;vertical-align:3px}

/* ---- 分段筛选 ---- */
.tabbar{display:flex;gap:4px;margin-left:auto;background:#F2F4FA;padding:3px;border-radius:9px}
.tabbtn{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 11px;border-radius:7px;
  font-size:12.5px;font-weight:600;color:var(--muted);transition:.14s;
}
.tabbtn em{font-style:normal;font-size:11px;opacity:.65;font-variant-numeric:tabular-nums}
.tabbtn:hover{color:var(--brand)}
.tabbtn.is-on{background:#fff;color:var(--brand);box-shadow:var(--sh-1)}

/* ---- 已学习标记 ---- */
.chip--done{background:var(--teal-100);color:#067A66;font-weight:700}

/* ---- 长表格 ---- */
.tablewrap--capped{max-height:640px;overflow:auto}
.tablewrap--capped thead th{position:sticky;top:0;z-index:2}
table.kb tr.is-done td{background:#FBFEFD}

/* ---- 知识点页：学习状态卡 ---- */
.study{
  margin:0 30px 24px;max-width:860px;border:1px solid var(--line);border-radius:var(--r);background:#fff;
  padding:16px 18px 14px;box-shadow:var(--sh-1);
}
.study.is-done{border-color:#BFEDE2;background:linear-gradient(180deg,#F7FEFC,#fff)}
.study__head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.study__badge{
  display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 10px;border-radius:99px;
  font-size:12px;font-weight:700;background:#F0F2F7;color:var(--muted);
}
.study.is-done .study__badge{background:var(--teal);color:#04352E}
.study__ttl{font-size:13.5px}
.study__visits{margin-left:auto;font-size:11.5px;color:var(--muted-2)}
.study__body{display:flex;align-items:flex-end;gap:18px;flex-wrap:wrap;margin-top:14px}
.study__nums{display:flex;gap:26px;flex-wrap:wrap}
.study__num{display:flex;flex-direction:column;gap:3px}
.study__num span{font-size:11.5px;color:var(--muted-2);letter-spacing:.02em}
.study__num b{font-size:16px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.study__at{font-size:12.5px !important;font-weight:600 !important;color:var(--muted) !important}
.study__act{margin-left:auto;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.study__link{font-size:12px;font-weight:700;color:var(--brand)}
.study__link:hover{text-decoration:underline}
.study__tip{
  margin-top:12px;padding-top:11px;border-top:1px dashed var(--line);
  font-size:11.5px;color:var(--muted-2);line-height:1.6;
}

@media (max-width:900px){
  .study{margin:0 18px 20px}
  .study__body{align-items:flex-start}
  .study__act{margin-left:0;width:100%}
  .study__act .btn{flex:1}
  .tabbar{margin-left:0;order:9;width:100%}
  .card__head{flex-wrap:wrap}
}
@media (max-width:560px){
  .study__nums{gap:16px}
  .study__num b{font-size:14.5px}
  .progbanner{padding:12px}
  .progbanner__go{display:none}
}

/* ---- 同步状态 / 学习管理 ---- */
.synchip{
  display:inline-flex;align-items:center;gap:5px;height:26px;padding:0 10px;border-radius:8px;
  font-size:11.5px;font-weight:700;background:#F1F3F9;color:var(--muted);white-space:nowrap;
}
.synchip--on{background:var(--teal-100);color:#067A66}
.syncbar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:10px 12px;margin:0 0 16px;border:1px solid var(--line);border-radius:10px;background:#FAFBFE;
}
.syncbar__txt{font-size:12.5px;color:var(--muted)}
.syncbar .btn{margin-left:auto}

.focusbar{border-left:3px solid var(--teal)}
.focusbar__who{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:14px}
.focusbar__who .mono{font-size:11.5px;color:var(--muted-2)}
.focusbar__nums{display:flex;gap:22px;flex-wrap:wrap;margin-top:8px;font-size:12.5px;color:var(--muted)}
.focusbar__nums b{color:var(--ink);font-variant-numeric:tabular-nums}

.noNeedBox{text-align:center;padding:34px 20px 30px}
.noNeedBox__ico{font-size:34px;line-height:1;margin-bottom:10px}
.noNeedBox h3{font-size:16.5px;margin-bottom:6px}
.noNeedBox p{font-size:13px;color:var(--muted);max-width:460px;margin:0 auto}
.noNeedBox__act{display:flex;gap:10px;justify-content:center;margin-top:16px}

/* ==========================================================================
   PRINT
   ========================================================================== */
@media print{
  body{background:#fff;font-size:11pt}
  .sidebar,.topbar,.article__foot,.pn,.fig__btn::after,.toc,.study{display:none !important}
  .view{padding:0;max-width:none}
  .article{border:0;box-shadow:none;border-radius:0}
  .article__head{background:#fff;border-bottom:1px solid #ddd;padding:0 0 12px}
  .article__body{padding:0;max-width:none}
  .step,.fig,.b-note{break-inside:avoid}
  .fig img{max-height:none}
  a{color:#000;text-decoration:none}
}

/* ==========================================================================
   型号管理 / 素材库 / 多语言编辑器  (v4)
   ========================================================================== */

/* ---------- language select ---------- */
.langsel{
  height:33px;padding:0 9px;border:1px solid var(--line);border-radius:8px;background:#fff;
  font-size:12.5px;font-weight:650;color:var(--ink-2);cursor:pointer;max-width:150px;
}
.langsel:hover{border-color:#CFD6EA;color:var(--brand)}
.langsel:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,40,140,.10)}
.langsel option{font-weight:600}

/* ---------- product manage cards ---------- */
.prodcard--manage{flex-direction:column;align-items:stretch;gap:10px}
.prodcard--manage .prodcard__b b{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:14.5px}
.prodcard--manage .prodcard__img{width:100%;height:108px;flex:0 0 auto}
.prodcard__img--empty{
  display:grid;place-items:center;font-size:26px;color:#B7C0D8;
  background:linear-gradient(135deg,#EEF1F8,#E4E9F6);
}
.pcard__bar{display:flex;align-items:center;gap:7px;margin-top:auto;padding-top:10px;border-top:1px solid var(--line-2)}
.pcard__bar .spacer{flex:1 1 auto}
.pcard__bar .is-danger{
  width:29px;height:29px;border-radius:8px;border:1px solid transparent;background:transparent;
  color:var(--muted-2);display:grid;place-items:center;font-size:12.5px;cursor:pointer;transition:.14s;
}
.pcard__bar .is-danger:hover{background:var(--danger-bg);color:var(--danger);border-color:#F3CDCD}

/* cover picker inside the model dialog */
.coverpick{display:flex;align-items:center;gap:8px}
.coverpick input{flex:1 1 auto;min-width:0}
.coverpick__thumb{
  width:40px;height:40px;flex:0 0 auto;border-radius:9px;border:1px solid var(--line);
  background:#EEF1F8;display:grid;place-items:center;color:#B7C0D8;overflow:hidden;
}
.coverpick__thumb img{width:100%;height:100%;object-fit:cover}

/* ---------- language tabs (editor) ---------- */
.tabs--lang{flex-wrap:wrap}
.tabs--lang button{display:inline-flex;align-items:center;gap:6px}
.tdot{
  width:6px;height:6px;border-radius:50%;background:#D7DCEA;display:inline-block;flex:0 0 auto;
}
.tdot.is-on{background:var(--teal);box-shadow:0 0 0 2px rgba(25,200,170,.18)}
.trbar{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:10px;
  padding-top:10px;border-top:1px dashed var(--line);
}
.trbar .f-hint{margin-left:auto;text-align:right}
#edBodyZh,#edBodyEn,#edBody-uk,#edBody-ru,#edBody-ms{
  width:100%;font-family:var(--mono,ui-monospace,SFMono-Regular,Menlo,Consolas,monospace);
  font-size:12.5px;line-height:1.75;
}

/* ---------- media library ---------- */
.brandrow{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.brandslot{
  display:flex;flex-direction:column;gap:6px;padding:12px;border:1px solid var(--line);
  border-radius:11px;background:#FCFDFF;
}
.brandslot__k{font-size:11.5px;font-weight:700;color:var(--muted)}
.brandslot__v{
  height:62px;border-radius:9px;background:#fff;border:1px solid var(--line-2);
  display:grid;place-items:center;overflow:hidden;padding:6px;
}
.brandslot__v img{max-width:100%;max-height:100%;object-fit:contain}
.brandslot__v i{font-style:normal;font-size:11.5px;color:var(--muted-2)}
.brandslot__p{font-size:10.5px;color:var(--muted-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.dropzone{
  display:flex;flex-direction:column;align-items:center;gap:6px;padding:20px;margin-bottom:14px;
  border:1.5px dashed #C9D1E6;border-radius:13px;background:#FBFCFE;cursor:pointer;transition:.15s;text-align:center;
}
.dropzone:hover,.dropzone.is-over{border-color:var(--brand);background:var(--brand-050)}
.dropzone__ico{font-size:20px;color:var(--brand)}
.dropzone b{font-size:13.5px}

.mgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:12px}
.mtile{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.mtile__img{
  padding:0;border:0;border-bottom:1px solid var(--line-2);background:#F5F7FC;
  aspect-ratio:4/3;display:grid;place-items:center;cursor:zoom-in;overflow:hidden;
}
.mtile__img img{width:100%;height:100%;object-fit:cover;display:block}
.mtile__b{padding:9px 10px 10px;display:flex;flex-direction:column;gap:3px;min-width:0}
.mtile__b b{font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mtile__b span{font-size:11px;color:var(--muted-2)}
.mtile__act{display:flex;align-items:center;gap:6px;margin-top:6px}
.mini{
  height:26px;border:1px solid var(--line);border-radius:7px;background:#fff;font-size:11.5px;
  color:var(--ink-2);cursor:pointer;max-width:96px;
}
.minisearch{
  height:32px;min-width:170px;margin-left:auto;padding:0 10px;border:1px solid var(--line);
  border-radius:8px;font-size:12.5px;background:#fff;
}
.minisearch:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,40,140,.10)}

/* ---------- detail: dates + language tags ---------- */
.article__dates{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:10px;
  font-size:12px;color:var(--muted-2);
}
.article__dates b{color:var(--ink-2);font-weight:650}
.langtag{
  font-style:normal;display:inline-block;padding:1px 7px;border-radius:99px;border:1px solid var(--line);
  font-size:10.5px;font-weight:650;color:var(--muted);background:#fff;margin-left:4px;
}
.langtag.is-on{background:var(--teal-100);border-color:#BEEFE4;color:#067A66}

@media (max-width:860px){
  .brandrow{grid-template-columns:1fr}
  .mgrid{grid-template-columns:repeat(auto-fill,minmax(134px,1fr))}
  .minisearch{margin-left:0;width:100%}
}
.brandslot__def{font-style:normal;font-weight:600;color:var(--muted-2)}

/* 反白 Logo 预览用深蓝底，否则白图看白底 */
.brandslot--dark .brandslot__v{background:var(--brand);border-color:var(--brand)}
.brandslot--dark .brandslot__v img{max-height:44px}

/* ==========================================================================
   v5：BING AI 译文标识 / 编辑器内直接上传
   ========================================================================== */
.mtag{
  display:inline-flex;align-items:center;gap:5px;vertical-align:middle;
  padding:2px 9px 2px 8px;border-radius:99px;
  background:#EEF1FB;border:1px solid #D8DEF5;color:var(--brand);
  font-size:10.5px;font-weight:750;letter-spacing:.02em;line-height:1.6;
  font-style:normal;white-space:nowrap;
}
.mtag__dot{
  width:6px;height:6px;border-radius:50%;flex:0 0 auto;
  background:var(--teal);box-shadow:0 0 0 2px rgba(25,200,170,.18);
}
.mtag--sm{font-size:10px;padding:1px 7px 1px 6px;background:#fff}

/* 正文下方的机器翻译说明 */
.mnote{
  display:flex;align-items:flex-start;gap:6px;margin:16px 0 4px;
  padding:9px 12px;border-left:2px solid var(--teal);
  background:#F6FAF9;border-radius:0 8px 8px 0;
  font-size:12px;line-height:1.7;color:var(--muted);
}
.mnote .mtag__dot{margin-top:6px;background:#9AA6C0;box-shadow:none}

/* 选图弹窗顶部的上传条 */
.uprow{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:10px 12px;margin-bottom:12px;
  border:1.5px dashed #C9D1E6;border-radius:11px;background:#FBFCFE;
}
.uprow .f-hint{margin:0}

@media (max-width:560px){
  .mtag{font-size:10px}
  .uprow{padding:8px 10px}
}

/* ---- 站点设置：语言显示开关 ---- */
.langlist{display:flex;flex-direction:column;gap:8px}
.langrow{display:flex;align-items:center;gap:12px;padding:11px 14px;border:1px solid var(--line);border-radius:11px;background:#fff;transition:.15s}
.langrow.is-on{border-color:rgba(25,200,170,.42);background:linear-gradient(rgba(25,200,170,.05),rgba(25,200,170,.05))}
.langrow.is-locked{background:#FAFBFE}
.langrow__k{flex:1 1 auto;font-size:13.5px;font-weight:650;color:var(--ink)}
.langrow__c{font-size:11px;color:var(--muted-2);letter-spacing:.04em}
.langsw{position:relative;width:44px;height:24px;flex:0 0 auto;cursor:pointer}
.langsw input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}
.langsw i{position:absolute;inset:0;border-radius:99px;background:#D7DBE6;transition:.18s;pointer-events:none}
.langsw i::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(16,26,52,.25);transition:.18s}
.langsw input:checked + i{background:var(--teal)}
.langsw input:checked + i::after{transform:translateX(20px)}
.langsw input:focus-visible + i{outline:2px solid var(--brand);outline-offset:2px}
.langact{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:14px}
.langact .f-hint{margin:0}
.setnote{margin-top:12px;padding:10px 12px;border:1px dashed var(--line);border-radius:10px;background:#FCFDFF;font-size:12.5px;line-height:1.8;color:var(--muted)}
.setnote .muted{color:var(--muted-2)}
.shcount{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
@media (max-width:560px){
  .langrow{padding:9px 11px}
  .setnote{font-size:12px}
}