/* ============================================================
   AI 日报 · 视觉系统
   Attio 风格扁平现代：白底 + 浅灰分区，主色靛紫 #5046E5
   ============================================================ */
:root{
  --brand:#5046E5;
  --brand-2:#8B5CF6;
  --brand-3:#22D3EE;
  --brand-deep:#2B2358;
  --brand-soft:#EFEEFD;
  --bg:#F9F9FB;
  --card:#FFFFFF;
  --text:#111111;
  --text2:#6B6B6B;
  --text3:#9A9AA5;
  --line:#E7E7EA;
  --line-soft:#F0F0F2;
  --green:#10B981;
  --green-soft:#E8F7F0;
  --green-text:#0E9F6E;
  --amber:#F59E0B;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 1px 2px rgba(15,20,25,.04);
  --shadow-lift:0 18px 40px -22px rgba(43,35,88,.45);
  --grad-brand:linear-gradient(120deg,#6D63F0 0%,#8B5CF6 45%,#22D3EE 120%);
  --font:"PingFang SC","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  /* 艺术化氛围：多层柔和光晕（固定，滚动时不动） */
  background:
    radial-gradient(48% 34% at 6% -8%, rgba(109,99,240,.20), transparent 62%),
    radial-gradient(42% 30% at 104% -4%, rgba(34,211,238,.14), transparent 58%),
    radial-gradient(54% 44% at 82% 112%, rgba(139,92,246,.16), transparent 60%),
    radial-gradient(40% 30% at 14% 108%, rgba(16,185,129,.10), transparent 58%),
    #F7F7FB;
  background-attachment:fixed;
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  font-size:14px;
}
h1,h2,h3,p,ol,ul{margin:0;padding:0}
ol,ul{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
svg.ico{fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:none}
svg.ico.green{stroke:var(--green)}
.mono{font-variant-numeric:tabular-nums}

/* ---------- 外壳布局 ---------- */
.app{display:flex;min-height:100vh;background:transparent}

/* ---------- 侧边栏 ---------- */
.sidebar{
  width:240px;flex:none;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:saturate(1.4) blur(18px);backdrop-filter:saturate(1.4) blur(18px);
  border-right:1px solid var(--line-soft);
  padding:20px;display:flex;flex-direction:column;gap:20px;
  position:sticky;top:0;height:100vh;
}
.brand{display:flex;align-items:center;gap:10px}
.logo{display:flex}
.brandname{font-size:18px;font-weight:700;letter-spacing:.2px}
.nav{display:flex;flex-direction:column;gap:2px}
.navitem{
  display:flex;align-items:center;gap:10px;height:38px;padding:0 10px;
  border-radius:8px;color:#4A4A55;font-size:14px;text-align:left;width:100%;
  transition:background .15s,color .15s;
}
.navitem:hover{background:var(--bg)}
.navitem.is-active{background:var(--brand-soft);color:var(--brand);font-weight:500}
.navitem .count{
  margin-left:auto;font-style:normal;font-size:11px;color:var(--brand);
  background:var(--brand-soft);border-radius:20px;padding:1px 7px;font-weight:600;
}
.navitem.is-active .count{background:#fff}

.catblock{display:flex;flex-direction:column;gap:2px}
.groupLabel{font-size:11px;font-weight:500;color:var(--text3);padding:6px 10px 4px}
.catitem{
  display:flex;align-items:center;gap:8px;height:34px;padding:0 10px;
  border-radius:8px;font-size:13px;color:#4A4A55;width:100%;text-align:left;
  transition:background .15s,color .15s;
}
.catitem:hover{background:var(--bg)}
.catitem.is-active{background:var(--brand-soft);color:var(--brand);font-weight:500}
.catitem i{width:7px;height:7px;border-radius:50%;flex:none;background:currentColor;opacity:.75}
.catitem em{margin-left:auto;font-style:normal;font-size:12px;color:var(--text3);font-variant-numeric:tabular-nums}
.catitem.is-active em{color:var(--brand)}
.spacer{flex:1}

.statuscard{background:var(--bg);border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;gap:8px}
.statusrow{display:flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);flex:none;box-shadow:0 0 0 3px rgba(16,185,129,.15)}
.statustext{font-size:12px;font-weight:500}
.statustime{font-size:12px;color:var(--text2);line-height:1.5}

/* ---------- 主内容 ---------- */
.main{
  flex:1;min-width:0;padding:32px;display:flex;flex-direction:column;gap:20px;
}
.view{display:flex;flex-direction:column;gap:20px}

.pagehead{display:flex;align-items:center;justify-content:space-between;gap:16px}
.pagetitle{font-size:28px;font-weight:700;letter-spacing:-.2px}
.pagesub{font-size:13px;color:var(--text2);margin-top:6px}
.headright{display:flex;align-items:center;gap:10px}

.searchbox{
  display:flex;align-items:center;gap:8px;width:220px;height:38px;padding:0 10px;
  background:var(--card);border:1px solid var(--line);border-radius:8px;color:var(--text3);
  transition:border-color .15s,box-shadow .15s;flex:none;
}
.searchbox:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.searchbox input{
  border:0;outline:0;background:none;font:inherit;font-size:13px;width:100%;color:var(--text);
}
.searchbox input::placeholder{color:var(--text3)}

.btn{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 12px;
  background:var(--card);border:1px solid var(--line);border-radius:8px;
  font-size:13px;font-weight:500;color:#4A4A55;transition:background .15s,border-color .15s;
  white-space:nowrap;flex:none;
}
.btn:hover{background:var(--bg)}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:#443AD4;border-color:#443AD4}
.btn.block{width:100%;height:48px;justify-content:center;font-size:15px;border-radius:var(--radius)}
.btn.is-busy{opacity:.75;pointer-events:none}
.btn .ico.spin{animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 采集状态条 ---------- */
.banner{
  display:flex;align-items:center;gap:12px;padding:14px;
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
}
.bannertext{flex:1;font-size:13px;color:#2A2A33}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:100px;
  font-size:12px;font-weight:500;white-space:nowrap;
}
.pill-green{background:var(--green-soft);color:var(--green-text)}
.pdot{width:6px;height:6px;border-radius:50%;background:var(--green);flex:none}

/* ---------- 头条（艺术化主体） ---------- */
.hero{
  position:relative;overflow:hidden;border:0;border-radius:var(--radius-lg);
  padding:30px 32px 28px;display:flex;flex-direction:column;gap:16px;
  background:
    radial-gradient(120% 150% at 86% 4%, rgba(139,92,246,.62), transparent 56%),
    radial-gradient(90% 120% at 4% 104%, rgba(34,211,238,.40), transparent 58%),
    linear-gradient(135deg,#241D4E 0%,#332A78 46%,#4A3FBF 100%);
  color:#fff;
  box-shadow:0 26px 60px -30px rgba(43,35,88,.78), inset 0 1px 0 rgba(255,255,255,.10);
}
.hero > *{position:relative;z-index:1}
.herotop{display:flex;align-items:center;gap:8px}
.hero .chip{background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.18);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.heroheat{margin-left:auto;font-size:12px;font-weight:600;color:#FFD9A8;letter-spacing:.2px}
.herotitle{font-size:30px;line-height:1.34;font-weight:800;letter-spacing:-.6px;color:#fff;max-width:23ch;cursor:pointer;transition:opacity .15s}
.herotitle:hover{opacity:.9}
.herosum{font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.80);max-width:64ch}
.herofoot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:2px;flex-wrap:wrap}
.hero .meta{font-size:13px;color:rgba(255,255,255,.62);display:inline-flex;align-items:center;gap:8px}
.hero .meta .srclink{color:rgba(255,255,255,.88);cursor:pointer;text-decoration:none;border-bottom:1px dashed rgba(255,255,255,.42);padding-bottom:1px}
.hero .meta .srclink:hover{color:#fff;border-bottom-color:#fff}
.meta{font-size:13px;color:var(--text3)}
.readmore{
  display:inline-flex;align-items:center;gap:3px;font-size:13px;font-weight:600;color:#fff;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  padding:7px 14px;border-radius:100px;transition:background .18s,border-color .18s;cursor:pointer;
}
.readmore:hover{background:rgba(255,255,255,.24);border-color:rgba(255,255,255,.4);text-decoration:none}

/* 头条内嵌流动曲线（AI 曲线 · 视觉主体） */
.herocurve{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.herocurve path{fill:none;stroke-linecap:round;stroke-linejoin:round}
.herocurve .hc1{stroke:url(#hcA);stroke-width:2.4;animation:drift1 14s ease-in-out infinite alternate}
.herocurve .hc2{stroke:url(#hcB);stroke-width:1.6;opacity:.75;animation:drift2 18s ease-in-out infinite alternate}
.herocurve .hc3{stroke:rgba(255,255,255,.34);stroke-width:1.1;opacity:.6;animation:drift3 22s ease-in-out infinite alternate}
.herocurve .hcfill{stroke:none;fill:url(#hcFill);opacity:.55}
@keyframes drift1{from{transform:translateX(0)}to{transform:translateX(-16px)}}
@keyframes drift2{from{transform:translateX(0)}to{transform:translateX(18px)}}
@keyframes drift3{from{transform:translateX(0)}to{transform:translateX(-10px)}}
@media (prefers-reduced-motion:reduce){.herocurve path{animation:none}}

/* ---------- 区块标题 ---------- */
.sechead{display:flex;align-items:center;justify-content:space-between;gap:12px}
.sectitle{font-size:18px;font-weight:700}
.secmeta{font-size:13px;color:var(--text3)}

/* ---------- 资讯网格 ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px}
.ncard{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;display:flex;flex-direction:column;gap:11px;overflow:hidden;
  transition:border-color .18s,box-shadow .18s,transform .18s;
}
.ncard::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--grad-brand);opacity:0;transition:opacity .18s;
}
.ncard:hover{transform:translateY(-3px);border-color:rgba(109,99,240,.35);
  box-shadow:0 22px 44px -26px rgba(43,35,88,.5)}
.ncard:hover::before{opacity:1}
.ncardtop{display:flex;align-items:center;justify-content:space-between;gap:8px}
.ntime{font-size:12px;color:var(--text3);font-variant-numeric:tabular-nums}
.ntitle{font-size:16px;line-height:1.5;font-weight:600;cursor:pointer}

/* 真实数据防护：标题/摘要可能含裸 URL 等长串，必须允许任意断行防止撑破布局 */
.ncard,.herotop,.herotitle,.herosum,.ntitle,.nsum,.reltitle,.readertitle,.readerbody p{
  overflow-wrap:anywhere;
  word-break:break-word;
  min-width:0;
}
.ntitle:hover{color:var(--brand)}
.nsum{font-size:13px;line-height:1.6;color:var(--text2)}
.nfoot{display:flex;align-items:center;gap:8px;margin-top:2px}
.nsrc{flex:1;font-size:12px;color:var(--text3);cursor:pointer;display:inline-flex;align-items:center;gap:4px;min-width:0;transition:color .15s;text-decoration:none}
.nsrc:hover{color:var(--brand)}
.nsrc .srcdot{width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.6;flex:none}
.nsrc .ext{opacity:.5;flex:none}
.nsrc:hover .ext{opacity:1}
.nheat{font-size:12px;font-weight:500;color:var(--amber);font-variant-numeric:tabular-nums}
.nfav{color:var(--text3);display:flex;padding:2px;border-radius:6px}
.nfav:hover{color:var(--brand);background:var(--brand-soft)}
.nfav.is-on{color:var(--brand)}
.nfav.is-on svg{fill:var(--brand-soft);stroke:var(--brand)}

/* 分类标签 */
.chip{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:100px;
  font-size:11px;font-weight:500;white-space:nowrap;
}
.c-model{background:#EFEEFD;color:#5046E5}
.c-product{background:#EAF2FE;color:#2563EB}
.c-funding{background:#FEF3E2;color:#B45309}
.c-paper{background:#F0EBFE;color:#7C3AED}
.c-opensource{background:#E8F7F0;color:#0E9F6E}
.c-policy{background:#FDECEE;color:#D9363E}

.empty{padding:40px 0;text-align:center;font-size:13px;color:var(--text3)}

/* ---------- 右侧栏 ---------- */
.rail{
  width:300px;flex:none;padding:32px;display:flex;flex-direction:column;gap:16px;
}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;display:flex;flex-direction:column;gap:12px;
}
.cardhead{display:flex;align-items:center;justify-content:space-between;gap:8px}
.cardtitle{font-size:15px;font-weight:700}
.cardtitle.flush{margin:0}
.cardkicker{font-size:11px;font-weight:500;color:var(--text3);font-variant-numeric:tabular-nums}

.hotlist{display:flex;flex-direction:column;gap:0}
.hotlist li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;cursor:pointer}
.hotlist li:hover .hottitle{color:var(--brand)}
.hotrank{width:16px;flex:none;font-size:13px;font-weight:600;color:var(--text3);font-variant-numeric:tabular-nums}
.hotlist li:nth-child(-n+3) .hotrank{color:var(--amber)}
.hottitle{font-size:13px;line-height:1.5;color:#2A2A33}

.srow{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px;border-top:1px solid var(--line-soft)}
.card > .cardtitle + .srow{border-top:0}
.srow.compact{min-height:32px;border-top:0;padding:2px 0}
.slabel{font-size:14px;color:#2A2A33}
.svalue{font-size:13px;color:var(--text2);text-align:right}
.svalue.link{color:var(--brand);font-weight:500;cursor:pointer}
.chipval{background:var(--bg);border-radius:8px;padding:6px 10px;font-size:13px;font-weight:600}

.srcwrap{display:flex;flex-wrap:wrap;gap:8px}
.src{background:#F5F5F7;border-radius:100px;padding:5px 10px;font-size:11px;color:#4A4A55}

/* 开关 */
.switch{
  width:42px;height:24px;border-radius:12px;background:#D4D4D8;flex:none;padding:3px;
  display:flex;align-items:center;justify-content:flex-start;transition:background .2s;
}
.switch i{width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 2px rgba(0,0,0,.15)}
.switch.is-on{background:var(--brand);justify-content:flex-end}

/* ---------- 移动端 ---------- */
.chips{display:none}
.tabbar{display:none}

@media (max-width:1240px){
  .rail{display:none}
}
@media (max-width:900px){
  .app{display:block}
  .sidebar,.rail{display:none}
  .main{padding:18px 18px 96px;gap:12px}
  .view{gap:12px}
  .pagehead{align-items:flex-start}
  .pagetitle{font-size:20px}
  .pagesub{font-size:12px;margin-top:4px}
  .searchbox{width:44px;padding:0;justify-content:center;border:0;background:var(--card);height:36px;border-radius:10px;color:#4A4A55}
  .searchbox input{display:none}
  .searchbox.is-open{position:fixed;left:14px;right:14px;top:14px;width:auto;z-index:60;border:1px solid var(--brand);box-shadow:0 8px 24px rgba(15,20,25,.12)}
  .searchbox.is-open input{display:block}
  .btn{height:36px;padding:0 10px}
  .btn span{display:none}
  .btn-primary span{display:inline}
  .grid{grid-template-columns:1fr;gap:12px}
  .hero{padding:14px;gap:10px}
  .herotitle{font-size:17px;line-height:1.45}
  .herosum{font-size:13px;line-height:1.55}
  .ncard{padding:12px;gap:8px}
  .ntitle{font-size:15px}
  .banner{padding:12px;gap:10px}
  .bannertext{font-size:12px}
  .pill{padding:4px 8px;font-size:11px}
  .sectitle{font-size:16px;font-size:16px}
  .secmeta{font-size:12px}
  .card{padding:16px}
  .slabel{font-size:13px}
  .svalue{font-size:12px}

  /* 移动端分类 chips */
  .chips{
    display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;
    margin:0 -18px;padding-left:18px;padding-right:18px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
  }
  .chips::-webkit-scrollbar{display:none}
  .chips .chip{
    padding:8px 12px;font-size:12px;font-weight:400;background:var(--card);
    border:1px solid var(--line);color:#4A4A55;flex:none;
  }
  .chips .chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:500}

  /* 底部胶囊标签栏 */
  .tabbar{
    display:block;position:fixed;left:0;right:0;bottom:0;z-index:50;
    padding:10px 20px 22px;pointer-events:none;
  }
  .pillbar{
    pointer-events:auto;display:flex;height:62px;background:rgba(255,255,255,.92);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border:1px solid var(--line);border-radius:36px;padding:4px;
    box-shadow:0 6px 24px rgba(15,20,25,.08);
  }
  .tab{
    flex:1;border-radius:26px;display:flex;flex-direction:column;align-items:center;
    justify-content:center;gap:4px;font-size:10px;color:#8A8A96;transition:background .18s,color .18s;
  }
  .tab.is-active{background:var(--brand);color:#fff;font-weight:500}
  .tab svg{stroke-width:1.9}
}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:38px;transform:translateX(-50%) translateY(8px);
  background:#111111;color:#fff;font-size:13px;padding:10px 16px;border-radius:10px;
  z-index:200;opacity:0;transition:opacity .2s,transform .2s;pointer-events:none;
}
.toast.is-show{opacity:1;transform:translateX(-50%) translateY(0)}
@media (max-width:900px){.toast{bottom:104px}}

/* ============================================================
   详情页 / 数据源管理 / 状态
   ============================================================ */
.progressbar{position:fixed;top:0;left:0;height:3px;width:0;background:var(--brand);z-index:130;transition:width .12s linear}

.detailbar{display:flex;align-items:center;gap:12px}
.backlink{
  display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:500;
  color:var(--brand);padding:5px 10px 5px 6px;border-radius:8px;transition:background .15s;
}
.backlink:hover{background:var(--brand-soft)}
.detailcrumb{font-size:12px;color:var(--text3)}

/* ---------- 阅读页 ---------- */
.reader{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:36px 40px;max-width:820px;display:flex;flex-direction:column;gap:18px;
}
.readerhead{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.heatchip{font-size:12px;font-weight:500;color:var(--amber);margin-left:auto}
.readertitle{font-size:30px;line-height:1.35;font-weight:700;letter-spacing:-.4px}
.readermeta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text3);flex-wrap:wrap}
.readermeta .sep{color:#D4D4D8}
.readerfig{height:220px;border-radius:var(--radius);overflow:hidden;flex:none;position:relative}
.readerfig::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 95% at 18% 12%, rgba(255,255,255,.24), rgba(255,255,255,0) 62%);
}
.readerbody{display:flex;flex-direction:column;gap:16px;font-size:15px;line-height:1.85;color:#2A2A33}
.readerbody h4{margin:8px 0 0;font-size:16px;font-weight:700}
.readerquote{border-left:3px solid var(--brand);padding:2px 0 2px 14px;color:var(--text2);font-size:15px;line-height:1.8}
.readeracts{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-top:16px;border-top:1px solid var(--line-soft)}
.actbtn{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 12px;
  border:1px solid var(--line);border-radius:8px;font-size:13px;font-weight:500;
  color:#4A4A55;white-space:nowrap;flex:none;transition:background .15s,border-color .15s,color .15s;
  text-decoration:none;
}
.actbtn:hover{background:var(--bg)}
.actbtn-go{border-color:rgba(80,70,229,.4);color:var(--brand);background:var(--brand-soft)}
.actbtn-go:hover{background:#E4E2FC}
.actbtn.is-on{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand)}
.readerrel{margin-top:4px;padding-top:18px;border-top:1px solid var(--line-soft);display:flex;flex-direction:column;gap:2px}
.relhead{font-size:13px;font-weight:700;color:var(--text2);margin-bottom:8px}
.relrow{display:flex;gap:10px;align-items:flex-start;padding:7px 0;cursor:pointer}
.relrow:hover .reltitle{color:var(--brand)}
.reltitle{font-size:14px;line-height:1.55;color:#2A2A33}

/* ---------- 骨架屏 ---------- */
.skel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;display:flex;flex-direction:column;gap:12px;
}
.sk{height:12px;border-radius:6px;background:linear-gradient(90deg,#EDEDF2 25%,#F6F6F9 37%,#EDEDF2 63%);background-size:400% 100%;animation:sk 1.3s ease infinite}
.sk.pill{height:20px;width:64px;border-radius:100px}
.sk.t{height:18px;width:78%}
.sk.m{width:46%}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}
.skelhero{padding:24px}

/* ---------- 空 / 错误状态 ---------- */
.statebox{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);
  padding:46px 24px;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;
}
.stateicon{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--bg);color:var(--text3);margin-bottom:2px}
.statebox.err{border-color:#F5C2C7}
.statebox.err .stateicon{background:#FDECEE;color:#D9363E}
.stitle{font-size:15px;font-weight:600}
.sdesc{font-size:13px;color:var(--text2);line-height:1.7;max-width:360px}
.stateacts{display:flex;gap:10px;margin-top:6px;flex-wrap:wrap;justify-content:center}

/* ---------- 数据源管理 ---------- */
.srchead{
  display:grid;grid-template-columns:1.6fr .8fr .9fr 64px;gap:12px;align-items:center;
  font-size:12px;color:var(--text3);padding-bottom:10px;border-bottom:1px solid var(--line-soft);
}
.srcrow{
  display:grid;grid-template-columns:1.6fr .8fr .9fr 64px;gap:12px;align-items:center;
  padding:13px 0;border-bottom:1px solid var(--line-soft);
}
.srcrow:last-child{border-bottom:0}
.sname{font-size:14px;font-weight:500;display:flex;align-items:center;gap:8px;min-width:0}
.sname i{width:7px;height:7px;border-radius:50%;background:var(--green);flex:none}
.stype{font-size:12px;color:var(--text2)}
.stime{font-size:12px;color:var(--text3);font-variant-numeric:tabular-nums}
.ta-r{text-align:right}
.srcrow .switch{justify-self:end}
.srcrow.is-off .sname{color:var(--text3);font-weight:400}
.srcrow.is-off .sname i{background:#D4D4D8}
.srcrow.is-off .stype,.srcrow.is-off .stime{color:#C4C4CC}

/* ---------- 分段控件 ---------- */
.segmented{display:flex;background:var(--bg);border-radius:8px;padding:3px;gap:2px;flex-wrap:wrap}
.segmented button{font-size:12px;padding:5px 10px;border-radius:6px;color:var(--text2);white-space:nowrap;transition:background .15s,color .15s}
.segmented button.is-on{background:var(--card);color:var(--brand);font-weight:500;box-shadow:0 1px 2px rgba(15,20,25,.06)}

@media (max-width:900px){
  .reader{padding:20px 16px;gap:14px;border-radius:var(--radius)}
  .readertitle{font-size:22px;line-height:1.4}
  .readerfig{height:150px}
  .readerbody{font-size:14px;line-height:1.8;gap:13px}
  .srchead,.srcrow{grid-template-columns:1.4fr .8fr 54px;gap:8px}
  .srchead span:nth-child(3),.srcrow .stime{display:none}
  .detailbar{margin-bottom:2px}
  .statebox{padding:34px 18px}
}

/* ================= PWA 安装引导条 ================= */
.installbar{
  position:fixed;left:0;right:0;top:0;z-index:60;
  display:flex;align-items:flex-start;gap:10px;
  padding:12px 14px;
  background:linear-gradient(135deg,#6D63F0,#544ACF);
  color:#fff;font-size:12.5px;line-height:1.55;
  box-shadow:0 6px 20px rgba(80,70,229,.28);
  overflow-wrap:anywhere;word-break:break-word;
}
.installbar .ib-ico{
  width:26px;height:26px;flex:none;border-radius:7px;
  background:rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;
}
.installbar .ib-ico svg{stroke:#fff}
.installbar .ib-body{flex:1;min-width:0}
.installbar .ib-title{display:block;font-weight:600;font-size:13px;line-height:1.4;margin-bottom:3px}
.installbar .ib-desc{display:block;opacity:.92;font-size:12px;line-height:1.5}
.installbar .ib-acts{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.installbar .ib-btn{
  border:0;background:#fff;color:#5046E5;font-weight:600;font-size:12.5px;
  padding:7px 14px;border-radius:7px;cursor:pointer;font-family:inherit;
}
.installbar .ib-btn.ghost{background:rgba(255,255,255,.16);color:#fff}
.installbar .ib-close{
  flex:none;border:0;background:transparent;color:rgba(255,255,255,.75);
  font-size:18px;line-height:1;cursor:pointer;padding:2px 4px;font-family:inherit;
}
/* 有引导条时，把页面内容往下顶开，避免遮住头部 */
body.has-installbar{padding-top:62px}
@media (min-width:901px){ .installbar{display:none} body.has-installbar{padding-top:0} }

/* ================= 安装步骤弹层 ================= */
.sheetwrap{position:fixed;inset:0;z-index:80;display:flex;align-items:flex-end;justify-content:center}
.sheetmask{position:absolute;inset:0;background:rgba(17,17,17,.45)}
.sheetpanel{
  position:relative;width:100%;max-width:460px;background:#fff;
  border-radius:16px 16px 0 0;padding:18px 18px 24px;
  max-height:86vh;overflow:auto;
  transform:translateY(14px);opacity:0;transition:transform .2s ease,opacity .2s ease;
}
.sheetwrap.is-show .sheetpanel{transform:translateY(0);opacity:1}
.sheethead{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.sheethead strong{font-size:15px;color:#111}
.sheetx{border:0;background:transparent;font-size:24px;line-height:1;color:#9A9AA5;cursor:pointer;padding:0 2px;font-family:inherit}
.sheetsteps{margin:0 0 12px;padding-left:20px}
.sheetsteps li{font-size:14px;line-height:1.8;color:#2A2A33;margin-bottom:2px;overflow-wrap:anywhere}
.sheettip{font-size:12.5px;line-height:1.65;color:#6B6B6B;background:#F9F9FB;border-radius:8px;padding:10px 12px;margin:0 0 14px;overflow-wrap:anywhere}
.sheeturl{font-size:11.5px;color:#9A9AA5;text-align:center;margin:10px 0 0;word-break:break-all}
.sheetothers{margin-top:16px;border-top:1px solid #F0F0F2;padding-top:12px}
.sheetsub{font-size:12px;color:#9A9AA5;margin:0 0 8px}
.osrow{display:flex;gap:10px;font-size:12.5px;padding:5px 0}
.osname{flex:none;width:118px;color:#6B6B6B}
.ospath{color:#2A2A33}
@media (min-width:901px){
  .sheetwrap{align-items:center}
  .sheetpanel{border-radius:16px;max-width:430px;max-height:80vh}
}

/* ============================================================
   艺术化升级 · AI 热度曲线 & 详情页
   ============================================================ */
.trend{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:18px 20px 10px;overflow:hidden;
}
.trendhead{display:flex;align-items:center;gap:10px;margin-bottom:2px;flex-wrap:wrap}
.trendtitle{font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:8px}
.trendtitle .tdot{width:8px;height:8px;border-radius:50%;background:var(--grad-brand);flex:none;box-shadow:0 0 0 3px rgba(109,99,240,.14)}
.trendmeta{margin-left:auto;font-size:12px;color:var(--text3);font-variant-numeric:tabular-nums;display:flex;gap:14px;flex-wrap:wrap}
.trendmeta b{color:#2A2A33;font-weight:700}
.trendchart{width:100%;height:122px;display:block}
.trendchart .grid-line{stroke:var(--line-soft);stroke-width:1}
.trendchart .area{fill:url(#trFill);stroke:none}
.trendchart .line{fill:none;stroke:url(#trLine);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;
  vector-effect:non-scaling-stroke;
  stroke-dasharray:1600;stroke-dashoffset:1600;animation:drawline 1.6s ease forwards}
.trendchart .peak{fill:#fff;stroke:var(--brand-2);stroke-width:2.4;vector-effect:non-scaling-stroke}
.trendchart .peaklabel{font-size:10px;fill:var(--text3);font-family:var(--font)}
.readerfig .figcurve path{fill:none;stroke:rgba(255,255,255,.5);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
@keyframes drawline{to{stroke-dashoffset:0}}

/* 详情页：原文正文与来源 */
.readertags{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.rtag{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;padding:4px 10px;border-radius:100px}
.rtag.src{background:var(--green-soft);color:var(--green-text)}
.rtag.ai{background:var(--brand-soft);color:var(--brand)}
.readersrc{font-size:12.5px;color:var(--text3);display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.readersrc a{color:var(--brand);text-decoration:none;border-bottom:1px dashed rgba(80,70,229,.4);cursor:pointer}
.readersrc a:hover{border-bottom-style:solid}
.readerbody p:first-child{font-size:16px;color:#1A1A22}
.readerbody .rmuted{color:var(--text3);font-size:14px}
.readerfig .figcurve{position:absolute;inset:0;width:100%;height:100%;z-index:1;mix-blend-mode:soft-light;opacity:.85}

/* 品牌文字渐变 */
.gradtext{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}

@media (max-width:900px){
  .trend{padding:14px 13px 6px}
  .trendchart{height:92px}
  .trendmeta{font-size:11px;gap:10px;width:100%;margin-left:0}
  .hero{padding:20px 18px 18px;border-radius:18px}
  .herotitle{font-size:21px;max-width:none}
  .herosum{font-size:13px;line-height:1.6}
  .readermeta{font-size:12px}
}

/* ============================================================
   往期日报日期条
   ============================================================ */
.srow-col{flex-wrap:wrap}
@media (max-width:900px){
  .srow-col{flex-direction:column;align-items:flex-start;gap:8px}
}
.daybar{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.daybar::-webkit-scrollbar{display:none}
.daychip{
  flex:none;padding:6px 13px;border-radius:100px;font-size:12px;font-weight:500;
  background:var(--card);border:1px solid var(--line);color:var(--text2);white-space:nowrap;
  transition:background .15s,color .15s,border-color .15s;font-variant-numeric:tabular-nums;
}
.daychip:hover{border-color:var(--brand);color:var(--brand)}
.daychip.is-active{background:var(--brand);border-color:var(--brand);color:#fff}

/* 已读态 */
.ncard.is-read{opacity:.6}
.ncard.is-read .ntitle{font-weight:500;color:var(--text2)}
.ncard.is-read::before{opacity:0}
.ncard.is-read:hover{opacity:1}

/* ============================================================
   深色模式（跟随系统 / 手动）
   ============================================================ */
html[data-theme="dark"]{
  --bg:#0E0F13; --card:#171922;
  --text:#EDEDF2; --text2:#A2A4B0; --text3:#74768280;
  --line:#272B36; --line-soft:#1F222B;
  --brand-soft:#242247; --green-soft:#14291F; --green-text:#4ADE9F;
}
html[data-theme="dark"] body{
  background:
    radial-gradient(48% 34% at 6% -8%, rgba(109,99,240,.22), transparent 62%),
    radial-gradient(42% 30% at 104% -4%, rgba(34,211,238,.10), transparent 58%),
    radial-gradient(54% 44% at 82% 112%, rgba(139,92,246,.14), transparent 60%),
    #0B0C10;
}
html[data-theme="dark"] .sidebar{background:rgba(19,21,28,.74);border-right-color:var(--line-soft)}
html[data-theme="dark"] .navitem,
html[data-theme="dark"] .catitem{color:#C2C4CF}
html[data-theme="dark"] .navitem:hover,
html[data-theme="dark"] .catitem:hover{background:rgba(255,255,255,.055)}
html[data-theme="dark"] .btn{background:#1D202A;border-color:var(--line);color:#C2C4CF}
html[data-theme="dark"] .btn:hover{background:#252936}
html[data-theme="dark"] .searchbox{background:#1D202A;border-color:var(--line)}
html[data-theme="dark"] .searchbox input{color:var(--text)}
html[data-theme="dark"] .statuscard,
html[data-theme="dark"] .chipval,
html[data-theme="dark"] .segmented,
html[data-theme="dark"] .stateicon{background:#1B1E27}
html[data-theme="dark"] .segmented button.is-on{background:#2B303D;color:#fff;box-shadow:none}
html[data-theme="dark"] .src{background:#232633;color:#B9BBC6}
html[data-theme="dark"] .ntitle,
html[data-theme="dark"] .hottitle,
html[data-theme="dark"] .reltitle,
html[data-theme="dark"] .slabel{color:#D9DBE4}
html[data-theme="dark"] .bannertext{color:#D9DBE4}
html[data-theme="dark"] .nsum{color:var(--text2)}
html[data-theme="dark"] .ncard:hover{border-color:rgba(139,92,246,.45);box-shadow:0 22px 44px -26px rgba(0,0,0,.8)}
html[data-theme="dark"] .card,
html[data-theme="dark"] .banner,
html[data-theme="dark"] .trend,
html[data-theme="dark"] .ncard,
html[data-theme="dark"] .reader,
html[data-theme="dark"] .skel,
html[data-theme="dark"] .statebox{background:var(--card);border-color:var(--line)}
html[data-theme="dark"] .pillbar{background:rgba(20,22,29,.92);border-color:var(--line)}
html[data-theme="dark"] .tab{color:#8A8C99}
html[data-theme="dark"] .actbtn{background:transparent;border-color:var(--line);color:#C2C4CF}
html[data-theme="dark"] .actbtn:hover{background:#22252F}
html[data-theme="dark"] .actbtn-go{background:var(--brand-soft);border-color:rgba(139,92,246,.4);color:#B9AEFF}
html[data-theme="dark"] .actbtn-go:hover{background:#2C2A55}
html[data-theme="dark"] .readeracts,
html[data-theme="dark"] .readerrel,
html[data-theme="dark"] .srchead,
html[data-theme="dark"] .srcrow{border-color:var(--line-soft)}
html[data-theme="dark"] .readerbody{color:#D3D5DE}
html[data-theme="dark"] .readerbody p:first-child{color:#EDEDF2}
html[data-theme="dark"] .readerquote{color:var(--text2)}
html[data-theme="dark"] .readersrc a{color:#A79BFF;border-bottom-color:rgba(139,92,246,.45)}
html[data-theme="dark"] .sheetpanel{background:#171922}
html[data-theme="dark"] .sheethead strong{color:var(--text)}
html[data-theme="dark"] .sheetsteps li{color:#D3D5DE}
html[data-theme="dark"] .sheettip{background:#1E212A;color:var(--text2)}
html[data-theme="dark"] .ospath{color:#D3D5DE}
html[data-theme="dark"] .toast{background:#EDEDF2;color:#111}
html[data-theme="dark"] .sk{background:linear-gradient(90deg,#22252F 25%,#2C313D 37%,#22252F 63%);background-size:400% 100%}
html[data-theme="dark"] .c-model{background:#241F4A;color:#A79BFF}
html[data-theme="dark"] .c-product{background:#172A45;color:#7EB0FF}
html[data-theme="dark"] .c-funding{background:#3A2A12;color:#F0B860}
html[data-theme="dark"] .c-paper{background:#2A1F47;color:#C4A7FF}
html[data-theme="dark"] .c-opensource{background:#122C22;color:#5ED9A4}
html[data-theme="dark"] .c-policy{background:#3A1B20;color:#FF8A93}
html[data-theme="dark"] .chips .chip{background:#1D202A;border-color:var(--line);color:#C2C4CF}
html[data-theme="dark"] .chips .chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
html[data-theme="dark"] .daychip{background:#1D202A}
html[data-theme="dark"] .ncard.is-read .ntitle{color:var(--text2)}