/* ============================================================
   科研雷达 · Research Radar
   Mobile-first. One primary, one secondary, warm/cool neutrals,
   and a short set of muted category tags.

   Switch the whole UI with <html data-theme="…">:
     navy  (default)  calm academic navy + warm gray
     teal             clean medical teal + slate
     mono             warm gray + a single indigo accent
   ============================================================ */

:root,
[data-theme="navy"]{
  --bg-top:#f6f3ee;
  --bg-mid:#f3f0ea;
  --bg-bot:#fffcf8;
  --bg-desk:#e7e2d9;

  --card:#ffffff;
  --card-2:#fbfaf7;

  --ink:#1c1916;
  --ink-2:#3e3a34;
  --ink-3:#5c564c;
  --ink-4:#6b6560;

  --line:#e4ddd2;
  --line-2:#eeeae3;

  --brand:#1b3a5f;
  --brand-2:#244a78;
  --brand-soft:#e7eef5;
  --brand-ink:#16324f;
  --on-brand:#ffffff;

  --accent:#6a4516;
  --accent-soft:#f4e6cf;

  --shadow-rgb:36, 28, 18;
  --glow:rgba(27,58,95,.16);

  --mark-bg:#f4e6cf;
  --mark-ink:#6a4516;

  --pick-bg:#fbf6ec;
  --pick-line:#e6d3ae;
  --pick-ink:#6a4516;
  --pick-ring:rgba(106,69,22,.14);

  --surface:#f7f4ef;
  --surface-2:#f3efe8;

  --head-bg:#eef2f6;
  --head-fg:#1b3a5f;

  --tag-domain-bg:#e6eef6;
  --tag-domain-fg:#1b3a5f;
  --tag-domain-line:#d3e0ec;

  --tag-evidence-bg:#e5f0ea;
  --tag-evidence-fg:#1c4a36;
  --tag-evidence-line:#cfe3d6;

  --tag-observe-bg:#f3eee6;
  --tag-observe-fg:#5a4632;
  --tag-observe-line:#e6dccf;

  --tag-quiet-bg:#eeece8;
  --tag-quiet-fg:#3f3c38;
  --tag-quiet-line:#e0ddd6;

  --tag-clin-bg:#e3f2ea;
  --tag-clin-fg:#14553c;
  --tag-clin-line:#c9e4d4;

  --tag-basic-bg:#eceaf3;
  --tag-basic-fg:#3a3558;
  --tag-basic-line:#ddd9e8;

  --link-line:#d5e0ea;
  --ck-bg:#1b3a5f;
  --ck-fg:#ffffff;
  --ck-line:#1b3a5f;
  --sd-bg:#f6efe4;
  --sd-fg:#5a3d22;
  --sd-line:#e6d7c4;

  --note-bg:#f4f7f5;
  --note-line:#d5e3da;
  --note-edge:#1c4a36;
  --note-ink:#243044;

  --lab-bg:#e6eef6;
  --lab-fg:#1b3a5f;
  --lab-2-bg:#e5f0ea;
  --lab-2-fg:#1c4a36;
  --lab-3-bg:#f4e6cf;
  --lab-3-fg:#6a4516;

  --ai-bg:#f4f7f8;
  --ai-line:#d9e3e8;
  --ai-title:#16324f;
  --ai-ink:#243044;
  --ai-bar:#1b3a5f;

  --star:#8a5a18;
  --star-off:#d9d3c8;
  --scroll-thumb:#d5cfc4;
  --mask:rgba(28,25,22,.42);
  --toast-bg:rgba(28,25,22,.93);
  --focus:#8aa4c0;

  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;

  --sh-1:0 1px 2px rgba(var(--shadow-rgb),.05), 0 2px 8px rgba(var(--shadow-rgb),.05);
  --sh-2:0 2px 6px rgba(var(--shadow-rgb),.06), 0 8px 22px rgba(var(--shadow-rgb),.08);
  --sh-pop:0 3px 10px rgba(var(--shadow-rgb),.22);

  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-t:env(safe-area-inset-top,0px);
}

[data-theme="teal"]{
  --bg-top:#f2f6f5;
  --bg-mid:#eef3f1;
  --bg-bot:#fbfefd;
  --bg-desk:#dce7e3;

  --card:#ffffff;
  --card-2:#f7fbfa;

  --ink:#12211e;
  --ink-2:#243833;
  --ink-3:#3e5550;
  --ink-4:#4d625d;

  --line:#d5e4df;
  --line-2:#e6f0ec;

  --brand:#0e5f56;
  --brand-2:#147066;
  --brand-soft:#e3f2ef;
  --brand-ink:#0c4f48;
  --on-brand:#ffffff;

  --accent:#1e3f5c;
  --accent-soft:#e8f0f6;

  --shadow-rgb:14, 48, 42;
  --glow:rgba(14,95,86,.16);

  --mark-bg:#f6edd6;
  --mark-ink:#6b4e16;

  --pick-bg:#fbf8f1;
  --pick-line:#e7dcc0;
  --pick-ink:#6b4e16;
  --pick-ring:rgba(107,78,22,.12);

  --surface:#f4f8f6;
  --surface-2:#e7f1ed;

  --head-bg:#e5f1ee;
  --head-fg:#0c4f48;

  --tag-domain-bg:#e3f2ef;
  --tag-domain-fg:#0e4f48;
  --tag-domain-line:#c9e4de;

  --tag-evidence-bg:#e5f3ea;
  --tag-evidence-fg:#1d4a38;
  --tag-evidence-line:#cfe4d6;

  --tag-observe-bg:#f3f1ea;
  --tag-observe-fg:#4e4638;
  --tag-observe-line:#e4dfd2;

  --tag-quiet-bg:#eef1f0;
  --tag-quiet-fg:#3a4441;
  --tag-quiet-line:#dde3e0;

  --tag-clin-bg:#e5f3ea;
  --tag-clin-fg:#1d4a38;
  --tag-clin-line:#cfe4d6;

  --tag-basic-bg:#e7eef4;
  --tag-basic-fg:#243e58;
  --tag-basic-line:#d3e0ea;

  --link-line:#c9e0da;
  --ck-bg:#0e5f56;
  --ck-fg:#ffffff;
  --ck-line:#0e5f56;
  --sd-bg:#e8f0f6;
  --sd-fg:#1e3f5c;
  --sd-line:#d3e0ea;

  --note-bg:#f3f8f6;
  --note-line:#d3e6df;
  --note-edge:#0e5f56;
  --note-ink:#16302c;

  --lab-bg:#e3f2ef;
  --lab-fg:#0e4f48;
  --lab-2-bg:#e8f0f6;
  --lab-2-fg:#1e3f5c;
  --lab-3-bg:#f6edd6;
  --lab-3-fg:#6b4e16;

  --ai-bg:#f3f8f6;
  --ai-line:#d3e6df;
  --ai-title:#0c4f48;
  --ai-ink:#16302c;
  --ai-bar:#0e5f56;

  --star:#8a5a18;
  --star-off:#d5e0da;
  --scroll-thumb:#c9dbd4;
  --mask:rgba(18,33,30,.42);
  --toast-bg:rgba(18,33,30,.93);
  --focus:#7dbaae;
}

[data-theme="mono"]{
  --bg-top:#f5f5f4;
  --bg-mid:#f3f3f2;
  --bg-bot:#fafafa;
  --bg-desk:#e6e6e4;

  --card:#ffffff;
  --card-2:#fafafa;

  --ink:#1a1a1a;
  --ink-2:#3a3a37;
  --ink-3:#4a4a47;
  --ink-4:#5c5c59;

  --line:#e4e4e1;
  --line-2:#eeeeec;

  --brand:#1e3a8a;
  --brand-2:#2743a0;
  --brand-soft:#e8edf8;
  --brand-ink:#1e3a8a;
  --on-brand:#ffffff;

  --accent:#1e3a8a;
  --accent-soft:#e7ecf8;

  --shadow-rgb:24, 24, 24;
  --glow:rgba(30,58,138,.14);

  --mark-bg:#e7ecf8;
  --mark-ink:#1e3a8a;

  --pick-bg:#f7f8fc;
  --pick-line:#d5dcf0;
  --pick-ink:#1e3a8a;
  --pick-ring:rgba(30,58,138,.12);

  --surface:#f3f3f2;
  --surface-2:#ececeb;

  --head-bg:#f0f0ee;
  --head-fg:#1a1a1a;

  --tag-domain-bg:#efefed;
  --tag-domain-fg:#2f2f2c;
  --tag-domain-line:#e0e0dc;

  --tag-evidence-bg:#e8edf8;
  --tag-evidence-fg:#1e3a8a;
  --tag-evidence-line:#d5def2;

  --tag-observe-bg:#f1f1ef;
  --tag-observe-fg:#3a3a37;
  --tag-observe-line:#e4e4e0;

  --tag-quiet-bg:#f1f1ef;
  --tag-quiet-fg:#3a3a37;
  --tag-quiet-line:#e4e4e0;

  --tag-clin-bg:#e8edf8;
  --tag-clin-fg:#1e3a8a;
  --tag-clin-line:#d5def2;

  --tag-basic-bg:#efefed;
  --tag-basic-fg:#2f2f2c;
  --tag-basic-line:#e0e0dc;

  --link-line:#e0e0dc;
  --ck-bg:#1e3a8a;
  --ck-fg:#ffffff;
  --ck-line:#1e3a8a;
  --sd-bg:#ffffff;
  --sd-fg:#1e3a8a;
  --sd-line:#1e3a8a;

  --note-bg:#f6f6f5;
  --note-line:#e4e4e1;
  --note-edge:#1e3a8a;
  --note-ink:#1a1a1a;

  --lab-bg:#e8edf8;
  --lab-fg:#1e3a8a;
  --lab-2-bg:#efefed;
  --lab-2-fg:#2f2f2c;
  --lab-3-bg:#e7ecf8;
  --lab-3-fg:#1e3a8a;

  --ai-bg:#f6f6f5;
  --ai-line:#e4e4e1;
  --ai-title:#1a1a1a;
  --ai-ink:#3a3a37;
  --ai-bar:#1e3a8a;

  --star:#1e3a8a;
  --star-off:#d8d8d4;
  --scroll-thumb:#d0d0cc;
  --mask:rgba(26,26,26,.42);
  --toast-bg:rgba(26,26,26,.93);
  --focus:#1e3a8a;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}

/* `.sheet` sets display:flex, which beats the UA `[hidden]` rule — force it. */
[hidden]{display:none!important}

html,body{height:100%}

body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB",
              "Microsoft YaHei","Noto Sans SC",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg-top);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overscroll-behavior-y:none;
}

/* ---------- phone shell ---------- */
.phone{
  position:relative;
  display:flex;
  flex-direction:column;
  width:100%;
  max-width:480px;
  height:100dvh;
  margin:0 auto;
  background:linear-gradient(180deg,var(--bg-top) 0%,var(--bg-mid) 34%,var(--bg-bot) 100%);
  overflow:hidden;
}

@media (min-width:520px){
  body{background:var(--bg-desk);display:flex;align-items:center;justify-content:center;padding:18px}
  .phone{
    height:min(900px,calc(100dvh - 36px));
    border-radius:30px;
    box-shadow:0 24px 70px rgba(var(--shadow-rgb),.20),0 2px 0 rgba(255,255,255,.7) inset;
    border:1px solid var(--line);
  }
}

/* ---------- top bar ---------- */
.topbar{
  display:flex;align-items:center;gap:10px;
  padding:calc(12px + var(--safe-t)) 16px 10px;
  flex:0 0 auto;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0;flex:1}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;font-size:19px;
  background:linear-gradient(145deg,var(--card),var(--brand-soft));
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.brand-text{min-width:0}
.brand-text h1{
  margin:0;font-size:18px;font-weight:800;letter-spacing:.2px;
  color:var(--ink);line-height:1.15;
}
.brand-text p{
  margin:2px 0 0;font-size:11.5px;color:var(--ink-3);font-weight:600;
  letter-spacing:.3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

.icon-btn{
  flex:0 0 auto;width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;cursor:pointer;
  background:rgba(255,255,255,.85);
  border:1px solid var(--line);
  color:var(--brand);
  box-shadow:var(--sh-1);
  transition:transform .18s cubic-bezier(.34,1.4,.64,1),background .18s;
}
.icon-btn:active{transform:scale(.9);background:var(--card)}
.icon-btn.spin svg{animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- segmented toggle ---------- */
.segmented{
  position:relative;
  flex:0 0 auto;
  display:grid;grid-template-columns:1fr 1fr;
  gap:4px;margin:2px 16px 12px;padding:4px;
  background:rgba(255,255,255,.72);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--sh-1);
}
.seg-thumb{
  position:absolute;top:4px;left:4px;
  width:calc(50% - 6px);height:calc(100% - 8px);
  border-radius:11px;
  background:linear-gradient(140deg,var(--brand-2),var(--brand));
  box-shadow:var(--sh-pop);
  transition:transform .32s cubic-bezier(.34,1.3,.5,1);
  will-change:transform;
}
.segmented[data-i="1"] .seg-thumb{transform:translateX(calc(100% + 4px))}
.seg{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 4px;border:0;background:transparent;cursor:pointer;
  font-size:14px;font-weight:700;letter-spacing:.2px;
  color:var(--ink-2);
  font-family:inherit;
  border-radius:11px;
  transition:color .22s;
}
.seg.is-active{color:var(--on-brand)}
.seg-ico{font-size:14px;line-height:1}

/* ---------- scroll area ---------- */
.scroll{
  flex:1 1 auto;min-height:0;overflow-y:auto;overflow-x:hidden;
  -webkit-overflow-scrolling:touch;
  padding:0 16px calc(24px + var(--safe-b));
  scrollbar-width:none;
}
.scroll::-webkit-scrollbar{display:none}

.panel{animation:fadeUp .34s cubic-bezier(.22,.9,.3,1) both}
@keyframes fadeUp{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:none}}

/* ---------- banner ---------- */
.banner{
  position:relative;overflow:hidden;
  padding:15px 16px 14px;border-radius:var(--r-lg);
  background:linear-gradient(135deg,var(--card) 0%,var(--brand-soft) 100%);
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
}
.banner-glow{
  position:absolute;right:-42px;top:-52px;width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle,var(--glow),transparent 68%);
  pointer-events:none;
}
.banner-ai .banner-glow{background:radial-gradient(circle,var(--glow),transparent 68%)}
.banner-title{
  position:relative;margin:0 0 10px;font-size:15.5px;font-weight:800;
  color:var(--brand-ink);letter-spacing:.2px;line-height:1.35;
}
.banner-meta{position:relative;display:flex;flex-wrap:wrap;gap:6px 8px}
.bm{
  display:inline-flex;align-items:center;gap:4px;
  font-size:11px;font-weight:600;color:var(--ink-2);
  background:rgba(255,255,255,.9);
  border:1px solid var(--line-2);
  padding:3.5px 8px;border-radius:999px;
}
.bm i{font-style:normal;font-size:11px;line-height:1}
.bm b{color:var(--brand);font-weight:800}

/* ---------- search ---------- */
.searchbar{
  display:flex;align-items:center;gap:8px;
  margin:12px 0 0;padding:2px 6px 2px 12px;
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--sh-1);color:var(--ink-3);
}
.searchbar input{
  flex:1;min-width:0;border:0;background:transparent;
  font-family:inherit;font-size:16px;font-weight:600;color:var(--ink);
  padding:9px 0;outline:none;
}
.searchbar input::placeholder{color:var(--ink-4);font-weight:600;font-size:13.5px}
.searchbar input::-webkit-search-cancel-button{display:none}
.search-clear, #researchSearchClear{
  flex:0 0 auto;width:28px;height:28px;border:0;border-radius:8px;
  background:var(--surface);color:var(--brand-ink);font:800 16px/1 inherit;cursor:pointer;
}
#researchSearchClear:active{transform:scale(.94)}
mark.hit{
  background:var(--mark-bg);color:var(--mark-ink);font-weight:800;
  border-radius:3px;padding:0 1px;
}
.search-snip{
  margin:6px 0 0 22px;font-size:12px;line-height:1.45;
  color:var(--ink-3);font-weight:600;
}

/* ---------- chips ---------- */
.chips{
  display:flex;flex-wrap:wrap;gap:8px;
  margin:14px 0 4px;
}
.chip{
  display:inline-flex;align-items:center;gap:5px;
  padding:7.5px 12px;border-radius:999px;cursor:pointer;
  background:var(--card);border:1px solid var(--line);
  color:var(--brand-ink);font-size:12.5px;font-weight:700;
  font-family:inherit;line-height:1;
  box-shadow:var(--sh-1);
  transition:transform .16s cubic-bezier(.34,1.4,.64,1),background .2s,color .2s,border-color .2s;
}
.chip:active{transform:scale(.94)}
.chip .cnt{font-weight:800;opacity:.62;font-size:11.5px}
.chip[aria-pressed="true"]{
  background:linear-gradient(140deg,var(--brand-2),var(--brand));
  border-color:transparent;color:var(--on-brand);
  box-shadow:var(--sh-pop);
}
.chip[aria-pressed="true"] .cnt{opacity:.85}
.chip.wide{width:100%;justify-content:center}
.chip.ghost{background:var(--surface);color:var(--ink-3)}

/* ---------- list head ---------- */
.listhead{margin:18px 0 10px}
.listhead > span{
  display:block;font-size:13.5px;font-weight:800;color:var(--ink);letter-spacing:.2px;
}
.listhead > small{
  display:block;margin-top:3px;font-size:11px;color:var(--ink-4);font-weight:600;line-height:1.5;
}

/* ---------- cards ---------- */
.cards{display:flex;flex-direction:column;gap:10px}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:box-shadow .22s,border-color .22s,transform .22s cubic-bezier(.34,1.3,.64,1);
}
.card:active{transform:scale(.985)}
.card.open{box-shadow:var(--sh-2);border-color:var(--focus)}

/* --- article --- */
.art{padding:12px 13px 12px 12px;cursor:pointer}
.art-top{display:flex;gap:8px;align-items:flex-start}
.caret{
  flex:0 0 auto;margin-top:2px;width:14px;height:14px;
  color:var(--ink-4);transition:transform .26s cubic-bezier(.34,1.4,.64,1);
}
.art.open .caret{transform:rotate(90deg);color:var(--brand)}
.caret svg{display:block}
.art-title{
  margin:0;font-size:14px;font-weight:700;line-height:1.42;color:var(--ink);
  letter-spacing:.1px;
}
.art.open .art-title{color:var(--brand-ink)}

.art-badges{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:8px 0 0 22px}
.badge{
  display:inline-flex;align-items:center;gap:3px;
  font-size:10.5px;font-weight:800;letter-spacing:.2px;
  padding:3px 7px;border-radius:6px;line-height:1.2;
}
.badge.jr{
  background:var(--brand-soft);color:var(--brand);
  border:1px solid var(--link-line);font-weight:700;
  max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---- 领域 / 研究类型 / 临床或基础 ----
   Three muted tags, not a hue per journal or study design. */
.badge.dom{
  background:var(--tag-domain-bg);color:var(--tag-domain-fg);
  border:1px solid var(--tag-domain-line);
}
.badge.study{
  background:var(--tag-observe-bg);color:var(--tag-observe-fg);
  border:1px solid var(--tag-observe-line);
}
.s-rct,.s-meta,.s-guideline,.s-gdb,.s-multicenter{
  background:var(--tag-evidence-bg);color:var(--tag-evidence-fg);
  border-color:var(--tag-evidence-line);
}
.s-gwas,.s-emulation,.s-cohort,.s-casecontrol{
  background:var(--tag-observe-bg);color:var(--tag-observe-fg);
  border-color:var(--tag-observe-line);
}
.s-registry,.s-basic,.s-retrospective,.s-review,.s-editorial,.s-other{
  background:var(--tag-quiet-bg);color:var(--tag-quiet-fg);
  border-color:var(--tag-quiet-line);
}
.badge.bas,.mini.bas{
  background:var(--tag-basic-bg);color:var(--tag-basic-fg);
  border:1px solid var(--tag-basic-line);
}
.badge.clin,.mini.clin{
  background:var(--tag-clin-bg);color:var(--tag-clin-fg);
  border:1px solid var(--tag-clin-line);
}

/* ---- 今日精选 ---- */
.art-titlewrap{flex:1;min-width:0}
.pick-ribbon{
  display:inline-block;font-size:10px;font-weight:800;color:var(--pick-ink);
  background:var(--mark-bg);border:1px solid var(--pick-line);border-radius:5px;
  padding:2px 6px;margin-bottom:5px;letter-spacing:.2px;
}
.pick-num{
  display:inline-block;font-size:9.5px;font-weight:800;color:var(--ink-3);
  letter-spacing:.6px;margin-bottom:4px;
}
.card.top-pick{
  background:linear-gradient(180deg,var(--pick-bg),var(--card) 62%);
  border-color:var(--pick-line);
  box-shadow:0 0 0 1px var(--pick-line), 0 6px 20px var(--pick-ring);
}

/* ---- 结构化摘要：目的 / 方法 / 结果 / 结论 ---- */
.sec{display:flex;gap:8px;margin:0 0 9px}
.sec:last-of-type{margin-bottom:0}
.sec-lab{
  flex:0 0 32px;height:17px;line-height:17px;text-align:center;
  font-size:10px;font-weight:800;color:var(--lab-fg);background:var(--lab-bg);border-radius:5px;
  letter-spacing:.5px;margin-top:1px;
}
.sec-txt{
  margin:0;flex:1;min-width:0;
  font-size:12.5px;line-height:1.72;color:var(--ink-2);
  max-height:168px;overflow-y:auto;padding-right:5px;
  scrollbar-width:thin;
}
.sec-txt::-webkit-scrollbar{width:4px}
.sec-txt::-webkit-scrollbar-thumb{background:var(--scroll-thumb);border-radius:4px}
.sec-methods .sec-lab,.sec-conclusion .sec-lab{background:var(--lab-2-bg);color:var(--lab-2-fg)}
.sec-other .sec-lab{background:var(--tag-quiet-bg);color:var(--tag-quiet-fg)}

/* ---- 创新 / 看点（LLM 编辑注） ---- */
.editor-note{
  background:var(--note-bg);
  border:1px solid var(--note-line);border-left:3px solid var(--note-edge);
  border-radius:9px;padding:9px 11px;margin:0 0 11px;
}
.en-row{display:flex;gap:8px;margin-bottom:8px}
.en-row:last-child{margin-bottom:0}
.en-lab{
  flex:0 0 52px;height:16px;line-height:16px;text-align:center;
  font-size:10px;font-weight:800;color:var(--lab-fg);background:var(--lab-bg);
  border-radius:5px;margin-top:1px;
}
.en-txt{flex:1;min-width:0;font-size:12.5px;line-height:1.7;color:var(--note-ink)}
.en-methods .en-lab,.en-future .en-lab{background:var(--lab-2-bg);color:var(--lab-2-fg)}
.en-takeaway .en-lab,.en-why .en-lab{background:var(--lab-3-bg);color:var(--lab-3-fg)}
.en-why .en-txt{font-weight:700;color:var(--pick-ink)}
.en-why{background:var(--mark-bg);border-radius:6px;padding:5px 7px;margin:-2px -4px 8px}

/* ---- 英文摘要原文折叠 ---- */
.rawtoggle{
  width:100%;margin:2px 0 0;padding:7px 10px;
  font-family:inherit;font-size:11.5px;font-weight:800;color:var(--brand-ink);
  background:var(--surface);border:1px solid var(--line);border-radius:8px;
  cursor:pointer;text-align:left;line-height:1.3;
  transition:background .18s;
}
.rawtoggle:active{background:var(--brand-soft)}
.rawbox{margin-top:10px}

/* ---- 英文原标题（与摘要放在同一个折叠块里）---- */
.rawtitle{
  display:flex;gap:8px;align-items:flex-start;
  padding:8px 10px;margin:0 0 10px;
  background:var(--surface);border:1px solid var(--line);border-radius:8px;
}
.rawtitle-lab{
  flex:0 0 22px;height:16px;line-height:16px;text-align:center;
  font-size:9px;font-weight:800;color:var(--on-brand);background:var(--brand);
  border-radius:4px;margin-top:1px;letter-spacing:.3px;
}
.rawtitle-txt{
  flex:1;min-width:0;font-size:11.5px;line-height:1.5;
  color:var(--ink-2);font-weight:700;
}

/* ---- 列表头工具条 ---- */
.lh-top{display:flex;align-items:center;gap:10px}
.lh-top > span{
  flex:1;min-width:0;font-size:13.5px;font-weight:800;color:var(--ink);letter-spacing:.2px;
}
.lh-tools{display:flex;align-items:center;gap:7px;flex:0 0 auto}
.ghost-btn{
  font-family:inherit;font-size:10.5px;font-weight:800;color:var(--brand-ink);
  background:var(--surface);border:1px solid var(--line);border-radius:7px;
  padding:5px 8px;cursor:pointer;line-height:1.2;
  transition:transform .16s cubic-bezier(.34,1.4,.64,1),background .2s;
}
.ghost-btn:active{transform:scale(.93);background:var(--brand-soft)}
.viewtog{display:flex;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:2px;gap:2px}
.viewtog button{
  font-family:inherit;font-size:10.5px;font-weight:800;color:var(--ink-3);
  background:transparent;border:0;border-radius:6px;padding:4px 8px;cursor:pointer;
  line-height:1.2;transition:background .18s,color .18s;
}
.viewtog button.is-active{background:var(--card);color:var(--brand);box-shadow:0 1px 3px rgba(var(--shadow-rgb),.13)}

/* ---- 窄索引表 ---- */
.idxwrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
}
table.idx{width:100%;border-collapse:collapse;table-layout:fixed;font-size:11.5px}
table.idx th{
  background:var(--head-bg);color:var(--head-fg);font-weight:800;font-size:10px;
  padding:8px 6px;text-align:left;border-bottom:1px solid var(--line);
  letter-spacing:.3px;
}
table.idx td{
  padding:9px 6px;border-bottom:1px solid var(--line-2);
  vertical-align:middle;color:var(--ink-2);font-weight:600;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
table.idx tr:last-child td{border-bottom:0}
table.idx tbody tr{cursor:pointer}
table.idx tbody tr:active{background:var(--surface)}
table.idx tr.idx-letter{cursor:default}
table.idx tr.idx-letter td{
  background:var(--head-bg);color:var(--head-fg);font-weight:800;font-size:11px;
  letter-spacing:.4px;padding:6px 10px;
}
table.idx .n{width:22px;text-align:center;color:var(--ink-4);font-weight:800}
table.idx .j{
  width:30%;font-weight:800;color:var(--brand-ink);
  white-space:normal;line-height:1.28;word-break:break-word;   /* journal names wrap, never "Lancet …" */
}
table.idx .t{width:24%}
table.idx .d{width:24%}
table.idx .b{width:42px;text-align:center}
.dot{
  display:inline-block;width:7px;height:7px;border-radius:50%;
  margin-right:5px;vertical-align:middle;
  background:var(--tag-domain-fg);
}
.mini{
  display:inline-block;font-size:9.5px;font-weight:800;
  padding:2px 5px;border-radius:5px;line-height:1.35;
  background:var(--tag-observe-bg);color:var(--tag-observe-fg);
}
.stars{font-size:10.5px;letter-spacing:.6px;color:var(--star);font-weight:700;line-height:1}
.stars .off{color:var(--star-off)}
.yr{font-size:10.5px;color:var(--ink-4);font-weight:700;margin-left:auto}

.art-body{
  margin:10px 0 0 22px;padding-top:10px;border-top:1px dashed var(--line);
  animation:fadeUp .28s ease both;
}
.art-abstract{
  margin:0;max-height:210px;overflow-y:auto;
  font-size:12.5px;line-height:1.72;color:var(--ink-2);
  padding-right:6px;scrollbar-width:thin;
}
.art-abstract::-webkit-scrollbar{width:4px}
.art-abstract::-webkit-scrollbar-thumb{background:var(--scroll-thumb);border-radius:4px}
.art-abstract .hl{background:var(--mark-bg);color:var(--mark-ink);font-weight:700;border-radius:3px;padding:0 2px}

.art-meta{
  display:flex;flex-wrap:wrap;gap:5px 10px;margin:9px 0 0;
  font-size:10.5px;color:var(--ink-4);font-weight:600;
}
.art-meta span{white-space:nowrap}

.art-links{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}
.lnk{
  display:inline-flex;align-items:center;gap:4px;
  font-size:11.5px;font-weight:800;text-decoration:none;
  padding:6px 11px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand);border:1px solid var(--link-line);
  transition:transform .16s cubic-bezier(.34,1.4,.64,1);
}
.lnk:active{transform:scale(.94)}
.lnk.ck{background:var(--ck-bg);color:var(--ck-fg);border-color:var(--ck-line)}
.lnk.sd{background:var(--sd-bg);color:var(--sd-fg);border-color:var(--sd-line)}
.lnk.alt{background:var(--card);color:var(--ink-2);border-color:var(--line)}

/* --- builder post --- */
.post{padding:12px 13px}
.post-top{display:flex;align-items:center;gap:9px}
.avatar{
  width:34px;height:34px;flex:0 0 34px;border-radius:50%;
  display:grid;place-items:center;
  font-size:13px;font-weight:800;color:var(--on-brand);letter-spacing:.3px;
  background:linear-gradient(140deg,var(--brand-2),var(--brand));
  box-shadow:var(--sh-pop);
}
.who{min-width:0;flex:1}
.who .nm{font-size:13px;font-weight:800;color:var(--ink);line-height:1.25}
.who .hd{font-size:11px;color:var(--ink-4);font-weight:600;margin-top:1px}
.post-time{font-size:10.5px;color:var(--ink-4);font-weight:700;flex:0 0 auto}
.post-text{
  margin:9px 0 0;font-size:13.5px;line-height:1.62;color:var(--ink-2);
  word-break:break-word;
}
.post-text a{color:var(--brand);text-decoration:none;font-weight:600}
.post-text.clamp{display:-webkit-box;-webkit-line-clamp:6;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{
  display:flex;align-items:center;gap:12px;margin-top:9px;
  font-size:11px;color:var(--ink-4);font-weight:700;
}
.post-foot .m{display:inline-flex;align-items:center;gap:4px}
.post-foot .go{
  margin-left:auto;color:var(--brand);text-decoration:none;font-weight:800;
  display:inline-flex;align-items:center;gap:3px;
}
.post-more{
  margin-top:7px;background:none;border:0;padding:0;cursor:pointer;
  font-family:inherit;font-size:11.5px;font-weight:800;color:var(--brand);
}

/* --- skeleton / empty --- */
.skeleton-wrap{display:flex;flex-direction:column;gap:10px}
.sk{
  height:76px;border-radius:var(--r-md);
  background:linear-gradient(100deg,var(--surface) 30%,var(--brand-soft) 50%,var(--surface) 70%);
  background-size:220% 100%;
  animation:shimmer 1.35s ease-in-out infinite;
  border:1px solid var(--line-2);
}
@keyframes shimmer{from{background-position:130% 0}to{background-position:-30% 0}}

.empty{
  padding:34px 20px;text-align:center;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-md);
}
.empty .em-ico{font-size:30px;line-height:1}
.empty h4{margin:10px 0 5px;font-size:13.5px;font-weight:800;color:var(--ink)}
.empty p{margin:0;font-size:11.5px;color:var(--ink-4);line-height:1.6;font-weight:600}
.empty button{
  margin-top:13px;padding:8px 18px;border-radius:9px;cursor:pointer;
  font-family:inherit;font-size:12.5px;font-weight:800;color:var(--on-brand);
  background:linear-gradient(140deg,var(--brand-2),var(--brand));
  border:0;box-shadow:var(--sh-pop);
}

/* ---------- footer ---------- */
.foot{
  display:flex;flex-wrap:wrap;gap:4px 12px;justify-content:center;align-items:center;
  margin:26px 0 4px;padding-top:14px;border-top:1px solid var(--line-2);
  font-size:10.5px;color:var(--ink-4);font-weight:600;text-align:center;
}

/* ---- 版本更新按钮 ---- */
.verbtn{
  display:inline-flex;align-items:center;gap:5px;
  font-family:inherit;font-size:10.5px;font-weight:800;color:var(--ink-3);
  background:var(--surface);border:1px solid var(--line);border-radius:7px;
  padding:5px 9px;cursor:pointer;line-height:1.2;
  transition:transform .16s cubic-bezier(.34,1.4,.64,1),background .2s,color .2s;
}
.verbtn:active{transform:scale(.94);background:var(--brand-soft)}
.verbtn.spin{opacity:.5;pointer-events:none}
.verbtn.has-update{
  color:var(--pick-ink);background:var(--mark-bg);border-color:var(--pick-line);
  animation:verpulse 1.9s ease-in-out infinite;
}
@keyframes verpulse{
  0%,100%{box-shadow:0 0 0 0 var(--pick-ring)}
  50%{box-shadow:0 0 0 5px transparent}
}
.verdot{width:6px;height:6px;border-radius:50%;background:var(--star);flex:0 0 auto}

/* ---------- glossary sheet ---------- */
.sheet{position:fixed;inset:0;z-index:60;display:flex;flex-direction:column;justify-content:flex-end}
.sheet-mask{
  position:absolute;inset:0;background:var(--mask);
  backdrop-filter:blur(2px);animation:fadeIn .22s ease both;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.sheet-body{
  position:relative;display:flex;flex-direction:column;
  max-height:86dvh;width:100%;max-width:480px;margin:0 auto;
  background:var(--card);border-radius:22px 22px 0 0;
  box-shadow:0 -12px 44px rgba(var(--shadow-rgb),.24);
  animation:slideUp .32s cubic-bezier(.22,.95,.3,1) both;
  padding-bottom:var(--safe-b);
}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:none}}
.sheet-grip{
  width:38px;height:4px;border-radius:99px;background:var(--line);
  margin:9px auto 2px;flex:0 0 auto;
}
.sheet-head{
  display:flex;align-items:center;gap:10px;
  padding:8px 16px 10px;flex:0 0 auto;
}
.sheet-head h3{margin:0;flex:1;font-size:16px;font-weight:800;color:var(--ink)}
.sheet-search{
  margin:0 16px 10px;padding:10px 13px;flex:0 0 auto;
  border-radius:11px;border:1px solid var(--line);background:var(--surface);
  font-family:inherit;font-size:13px;color:var(--ink);outline:none;
  transition:border-color .2s,background .2s;
}
.sheet-search:focus{border-color:var(--focus);background:var(--card)}
.sheet-list{flex:1 1 auto;min-height:0;overflow-y:auto;padding:0 16px 20px}
.gl-letter{
  position:sticky;top:0;z-index:1;
  background:var(--head-bg);color:var(--head-fg);
  font-size:11px;font-weight:800;letter-spacing:.4px;
  padding:6px 2px 4px;border-bottom:1px solid var(--line-2);
}
.gl{
  padding:11px 0;border-bottom:1px solid var(--line-2);
}
.gl:last-child{border-bottom:0}
.gl .gl-en{font-size:13.5px;font-weight:800;color:var(--brand-ink);letter-spacing:.1px}
.gl .gl-zh{font-size:12px;font-weight:700;color:var(--ink-2);margin-left:7px}
.gl .gl-def{margin:4px 0 0;font-size:12px;line-height:1.65;color:var(--ink-3);font-weight:500}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:calc(28px + var(--safe-b));
  transform:translate(-50%,18px);
  padding:10px 18px;border-radius:999px;
  background:var(--toast-bg);color:var(--on-brand);
  font-size:12.5px;font-weight:700;letter-spacing:.2px;
  box-shadow:0 8px 26px rgba(var(--shadow-rgb),.30);
  opacity:0;pointer-events:none;z-index:90;
  transition:opacity .26s,transform .26s cubic-bezier(.34,1.4,.64,1);
  max-width:82vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* ============ 今日 AI 动态总览方框 ============ */
.aisum{
  position:relative;
  margin:0 0 14px;padding:15px 15px 14px;
  background:var(--ai-bg);
  border:1px solid var(--ai-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);
}
.aisum::before{
  content:'';position:absolute;left:0;right:0;top:0;height:3px;
  border-radius:var(--r-md) var(--r-md) 0 0;
  background:var(--ai-bar);
}
.aisum-head{display:flex;align-items:center;gap:6px;margin-bottom:9px}
.aisum-ico{font-size:13px;line-height:1}
.aisum-title{font-size:12.5px;font-weight:800;color:var(--ai-title);letter-spacing:.3px}
.aisum-date{margin-left:auto;font-size:10px;font-weight:700;color:var(--ink-4)}
.aisum-headline{margin:0 0 10px;font-size:13px;line-height:1.65;font-weight:800;color:var(--ink)}
.aisum-list{margin:0;padding-left:18px;display:grid;gap:7px}
.aisum-list li{font-size:12.5px;line-height:1.68;color:var(--ai-ink)}
.aisum-list li::marker{color:var(--brand)}
.aisum-senti{
  display:flex;gap:7px;align-items:flex-start;margin-top:11px;
  padding:8px 10px;background:var(--card);border-radius:8px;
}
.aisum-senti-lab{
  flex:0 0 auto;font-size:10px;font-weight:800;color:var(--lab-fg);background:var(--lab-bg);
  border-radius:5px;padding:2px 6px;line-height:1.4;
}
.aisum-senti-txt{flex:1;min-width:0;font-size:12px;line-height:1.62;color:var(--ai-ink)}

/* ============ 每条动态的中文一句话 ============ */
.post-zh{
  display:flex;gap:7px;align-items:flex-start;
  margin:0 0 9px;padding:8px 10px;
  background:var(--brand-soft);border-left:3px solid var(--brand);border-radius:7px;
}
.post-zh-lab{
  flex:0 0 auto;font-size:9.5px;font-weight:800;color:var(--on-brand);background:var(--brand);
  border-radius:4px;padding:2px 5px;line-height:1.4;margin-top:1px;
}
.post-zh-txt{flex:1;min-width:0;font-size:12.5px;line-height:1.66;color:var(--ink-2);font-weight:600}