:root{
    --bg:#070b18; --bg2:#0c1426;
    --gold:#f5c542; --cyan:#38e1ff; --violet:#a78bfa; --pink:#ff7ad9;
    --text:#e7ecf7; --text-sec:#9aa3c6; --card-bg:rgba(18,26,46,.72);
    --line:rgba(120,160,220,.18); --panel:rgba(10,16,32,.96);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    color:var(--text);background:var(--bg);line-height:1.6;
    background-image:
      radial-gradient(1200px 600px at 15% -10%,rgba(56,225,255,.10),transparent 60%),
      radial-gradient(1000px 700px at 100% 0%,rgba(167,139,250,.10),transparent 55%),
      radial-gradient(900px 900px at 50% 120%,rgba(245,197,66,.08),transparent 60%),
      radial-gradient(2px 2px at 20% 30%,rgba(255,255,255,.5),transparent),
      radial-gradient(1.5px 1.5px at 70% 20%,rgba(255,255,255,.4),transparent),
      radial-gradient(1.5px 1.5px at 40% 70%,rgba(255,255,255,.35),transparent),
      radial-gradient(2px 2px at 85% 60%,rgba(255,255,255,.4),transparent),
      radial-gradient(1.5px 1.5px at 60% 85%,rgba(255,255,255,.3),transparent),
      linear-gradient(180deg,#070b18,#0a1020 40%,#070b18);
    }
==== */
  .view-bar{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;justify-content:center;gap:7px;flex-wrap:wrap;
    padding:11px 14px;background:rgba(7,11,24,.88);backdrop-filter:blur(12px);border-bottom:1px solid rgba(56,225,255,.28);
    box-shadow:0 6px 22px rgba(0,0,0,.45)}
  .view-toggle-btn{font-family:inherit;cursor:pointer;font-size:13px;padding:7px 16px;border-radius:20px;
    border:1px solid var(--line);background:transparent;color:var(--text-sec);transition:all .2s;white-space:nowrap}
  .view-toggle-btn:hover{color:var(--text);border-color:rgba(56,225,255,.5)}
  .view-toggle-btn.pwc-entry{background:linear-gradient(135deg,rgba(245,197,66,.20),rgba(245,197,66,.10));border-color:rgba(245,197,66,.55);color:#ffd66b;font-weight:700}
  .view-toggle-btn.pwc-entry:hover{background:linear-gradient(135deg,rgba(245,197,66,.32),rgba(245,197,66,.16));border-color:rgba(245,197,66,.7);transform:translateY(-2px);box-shadow:0 8px 22px rgba(245,197,66,.28)}
  .view-toggle-btn.active{color:#061018;background:linear-gradient(90deg,var(--cyan),var(--violet));
    border-color:transparent;font-weight:700;box-shadow:0 0 18px rgba(56,225,255,.35)}
  /* ===== 筛选 + 统计 ===== */
  .filter-bar{position:sticky;top:54px;z-index:25;display:flex;justify-content:center;padding:10px}
  .filter-inner{display:flex;gap:6px;flex-wrap:wrap;align-items:center;background:rgba(12,20,38,.7);
    border:1px solid var(--line);border-radius:24px;padding:6px 12px}
  .filter-btn{cursor:pointer;font-family:inherit;font-size:12px;padding:4px 13px;border-radius:16px;border:1px solid transparent;
    background:transparent;color:var(--text-sec);transition:all .2s}
  .filter-btn:hover{color:var(--text)}
  .filter-btn.active{color:#061018;font-weight:700;border-color:transparent}
  .filter-btn.active[data-cat="all"]{background:linear-gradient(90deg,var(--cyan),var(--violet))}
  .filter-btn.active[data-cat="math"]{background:var(--gold)}
  .filter-btn.active[data-cat="cs"]{background:var(--cyan)}
  .filter-btn.active[data-cat="ai"]{background:var(--violet);color:#fff}
  .stats-bar{display:flex;justify-content:center;gap:28px;padding:8px 10px 4px;color:var(--text-sec);font-size:13px;flex-wrap:wrap}
  .stats-bar strong{color:var(--cyan);font-size:17px}
  /* ===== 索引栏（左侧，参考 文明星河-中国历史时间轴 -detail.html） ===== */
  .rail{position:fixed;left:0;top:120px;bottom:60px;width:260px;z-index:22;overflow:hidden;display:flex;flex-direction:column;
    background:linear-gradient(180deg,rgba(11,14,36,.72),rgba(8,10,26,.72));border-right:1px solid rgba(120,160,220,.18);
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:16px 12px}
  .rail-title{font-size:14px;font-family:'Noto Serif SC',serif;letter-spacing:3px;color:#7fe3ff;text-align:center;margin-bottom:12px;
    text-shadow:0 0 12px rgba(56,225,255,.4)}
  .rail-segs{flex:1;overflow-y:auto;padding-right:4px}
  .rail-segs::-webkit-scrollbar{width:3px}
  .rail-segs::-webkit-scrollbar-thumb{background:rgba(120,160,220,.3);border-radius:2px}
  .rail-seg{cursor:pointer;font-size:13px;padding:8px 12px;border-radius:8px;color:var(--text-sec);
    border-left:3px solid transparent;transition:all .18s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:3px}
  .rail-seg:hover{color:var(--text);background:rgba(56,225,255,.08);transform:translateX(3px)}
  .rail-seg.active{color:#fff;border-left-color:#38e1ff;background:linear-gradient(90deg,rgba(56,225,255,.16),transparent);box-shadow:0 0 14px rgba(56,225,255,.15)}
  @media(max-width:1100px){.rail{display:none}}
  /* ===== 时间轴主体 ===== */
  .terms-top{position:relative;z-index:6;max-width:1040px;margin:0 auto;padding:18px 22px 4px}
  .timeline-container{position:relative;z-index:5;max-width:1100px;margin:0 auto;padding:50px 24px 140px}
  .spine{position:absolute;left:50%;top:0;bottom:0;width:5px;transform:translateX(-50%);border-radius:3px;
    background:linear-gradient(180deg,var(--gold) 0%,var(--cyan) 30%,var(--violet) 60%,var(--pink) 85%,var(--gold) 100%);
    background-size:100% 220%;
    box-shadow:0 0 14px rgba(56,225,255,.85),0 0 28px rgba(167,139,250,.45),inset 0 0 6px rgba(255,255,255,.4);
    animation:flow 12s linear infinite;opacity:.95}
  @keyframes flow{0%{background-position:0 0}100%{background-position:0 220%}}
  .spine::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:1px;transform:translateX(-50%);
    background:linear-gradient(180deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.6) 30%,rgba(255,255,255,.6) 70%,rgba(255,255,255,0) 100%);
    pointer-events:none}
  @media(max-width:768px){.spine{left:26px}.timeline-container{padding:30px 10px 90px}}
  /* ===== 统一超级大节点（时代 + 寒冬） ===== */
  .mega-node{position:relative;z-index:2;text-align:center;margin:46px 0 36px;cursor:default}
  .mega-node.clickable{cursor:pointer}
  .mega-orb{width:40px;height:40px;border-radius:50%;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;
    font-size:21px;background:radial-gradient(circle at 50% 38%,var(--nc-light,#cfeeff),var(--nc,#38e1ff));
    box-shadow:0 0 0 7px color-mix(in srgb,var(--nc,#38e1ff) 14%,transparent),0 0 36px color-mix(in srgb,var(--nc,#38e1ff) 65%,transparent);
    animation:megaspin 12s linear infinite}
  .mega-node:hover .mega-orb{box-shadow:0 0 0 7px color-mix(in srgb,var(--nc,#38e1ff) 22%,transparent),0 0 52px color-mix(in srgb,var(--nc,#38e1ff) 80%,transparent)}
  @keyframes megaspin{to{transform:rotate(360deg)}}
  .mega-plate{display:inline-block;max-width:600px;padding:20px 32px;border-radius:20px;
    background:linear-gradient(180deg,rgba(18,30,52,.95),rgba(10,18,36,.95));
    border:1px solid color-mix(in srgb,var(--nc,#38e1ff) 45%,var(--line));
    box-shadow:0 0 32px color-mix(in srgb,var(--nc,#38e1ff) 28%,transparent),inset 0 0 26px color-mix(in srgb,var(--nc,#38e1ff) 06%,transparent);
    transition:border-color .35s,box-shadow .35s}
  .mega-node:hover .mega-plate{border-color:color-mix(in srgb,var(--nc,#38e1ff) 80%,white);box-shadow:0 0 48px color-mix(in srgb,var(--nc,#38e1ff) 55%,transparent)}
  .mega-badge{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:1.5px;color:#061018;
    background:linear-gradient(90deg,var(--nc-light,#8fd6ff),var(--nc-mid,#cfeeff));padding:3px 14px;border-radius:10px;margin-bottom:8px;text-transform:uppercase}
  .mega-name{font-size:23px;font-weight:800;letter-spacing:1.5px;color:#e8f4ff;text-shadow:0 0 20px color-mix(in srgb,var(--nc,#38e1ff) 55%,transparent)}
  .mega-period{font-size:13px;color:var(--nc-light,#9fd0ee);margin-top:4px;font-weight:700}
  .mega-desc{font-size:13px;color:var(--text-sec);margin-top:8px;max-width:500px;line-height:1.65}
  .mega-count{font-size:11.5px;color:var(--nc-light,#9fd0ee);margin-top:6px;font-weight:700;opacity:.85}
  @media(max-width:768px){.mega-plate{max-width:92%;padding:14px 20px}.mega-name{font-size:19px}.mega-orb{width:34px;height:34px;font-size:17px}}
  /* ===== 发展主线 · 题头（与 bb-hero 同语言：徽章 + 渐变 h1 + 一行描述） ===== */
  .tl-hero{position:relative;max-width:1100px;margin:68px auto 16px;padding:30px 28px 26px;border-radius:20px;text-align:center;
    background:linear-gradient(135deg,rgba(56,225,255,.10),rgba(167,139,250,.12),rgba(245,197,66,.08));
    border:1px solid rgba(120,200,255,.3);box-shadow:0 0 40px rgba(56,225,255,.12);
    opacity:0;transform:translateY(8px);transition:opacity .55s ease,transform .55s ease}
  .tl-hero.in{opacity:1;transform:translateY(0)}
  .tl-hero .bb-badge{display:inline-block;font-size:12px;color:#061018;
    background:linear-gradient(90deg,#f5c542,#a78bfa);
    padding:3px 14px;border-radius:20px;font-weight:800;margin-bottom:12px}
  .tl-hero h1{font-size:30px;margin:0 0 8px;letter-spacing:2px;
    background:linear-gradient(90deg,#f5c542,#7fe3ff,#a78bfa);
    -webkit-background-clip:text;background-clip:text;color:transparent}
  .tl-hero p{font-size:15px;color:#c8d2ea;line-height:1.9;margin:6px auto 0;max-width:780px}
  .tl-hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:18px;padding:0 8px}
  .tl-chip{display:inline-flex;align-items:center;gap:6px;font-family:inherit;font-size:11.5px;font-weight:700;letter-spacing:.6px;
    color:#061018;padding:4px 12px;border-radius:12px;
    background:linear-gradient(90deg,color-mix(in srgb,var(--cc) 78%,#fff 22%),color-mix(in srgb,var(--cc) 92%,#fff 8%));
    box-shadow:0 0 0 1px color-mix(in srgb,var(--cc) 35%,transparent),0 0 16px color-mix(in srgb,var(--cc) 30%,transparent);
    cursor:pointer;transition:transform .2s,box-shadow .2s}
  .tl-chip:hover{transform:translateY(-2px);
    box-shadow:0 0 0 1px var(--cc),0 0 24px color-mix(in srgb,var(--cc) 55%,transparent)}
  .tl-chip-dot{width:6px;height:6px;border-radius:50%;background:var(--cc);box-shadow:0 0 6px var(--cc)}
  @media(max-width:820px){
    .tl-hero{padding:24px 16px 20px;border-radius:16px}
    .tl-hero h1{font-size:23px;letter-spacing:1.5px}
    .tl-hero p{font-size:13.5px}
  }
  /* ===== 通用视图题头（角度图谱 / 论文导览 / 论文阅读；与 bb-hero 同语言：徽章 + 渐变 h1 + 一行描述） ===== */
  .vh-hero{position:relative;max-width:1100px;margin:18px auto 16px;padding:30px 28px 26px;border-radius:20px;text-align:center;
    background:linear-gradient(135deg,rgba(56,225,255,.10),rgba(167,139,250,.12),rgba(245,197,66,.08));
    border:1px solid rgba(120,200,255,.3);box-shadow:0 0 40px rgba(56,225,255,.12);
    opacity:0;transform:translateY(8px);transition:opacity .55s ease,transform .55s ease}
  .vh-hero.in{opacity:1;transform:translateY(0)}
  .vh-hero .bb-badge{display:inline-block;font-size:12px;color:#061018;
    background:linear-gradient(90deg,var(--vh1,#38e1ff),var(--vh2,#a78bfa));
    padding:3px 14px;border-radius:20px;font-weight:800;margin-bottom:12px}
  .vh-hero h1{font-size:30px;margin:0 0 8px;letter-spacing:2px;
    background:linear-gradient(90deg,var(--vh1,#7fe3ff),var(--vh2,#c4a6ff),var(--vh3,#f5c542));
    -webkit-background-clip:text;background-clip:text;color:transparent}
  .vh-hero p{font-size:15px;color:#c8d2ea;line-height:1.9;margin:6px auto 0;max-width:780px}
  .vh-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:18px}
  .vh-chip{display:inline-flex;align-items:center;gap:6px;font-family:inherit;font-size:11.5px;font-weight:700;letter-spacing:.6px;
    color:#cfe0f7;background:rgba(255,255,255,.05);border:1px solid rgba(120,200,255,.22);padding:4px 12px;border-radius:12px;
    cursor:pointer;transition:transform .2s,border-color .2s,background .2s,box-shadow .2s,color .2s}
  .vh-chip:hover{transform:translateY(-2px);color:#fff;background:rgba(56,225,255,.14);
    border-color:rgba(56,225,255,.55);box-shadow:0 0 18px rgba(56,225,255,.26)}
  .vh-chip.active{color:#061018;background:linear-gradient(90deg,var(--vh1,#38e1ff),var(--vh2,#a78bfa));border-color:transparent}
  .vh-chip-dot{width:6px;height:6px;border-radius:50%;background:var(--cc,var(--vh1,#38e1ff));box-shadow:0 0 6px var(--cc,var(--vh1,#38e1ff))}
  @media(max-width:720px){
    .vh-hero{padding:22px 16px 20px;border-radius:16px}
    .vh-hero h1{font-size:23px;letter-spacing:1.5px}
    .vh-hero p{font-size:13.5px}
  }
  /* ===== 发展主线 · 中央对称布局 ===== */
.timeline-container{position:relative;z-index:5;max-width:1180px;margin:0 auto;padding:50px 24px 140px}
.card{position:relative;z-index:2;width:calc(50% - 88px);margin:18px 0;padding:16px 18px;border-radius:14px;
    background:var(--card-bg);border:1px solid var(--line);border-left:4px solid var(--ac,#38e1ff);
    box-shadow:0 6px 24px rgba(0,0,0,.3);cursor:pointer;transition:transform .2s,box-shadow .2s;opacity:0;transform:translateY(16px)}
  .card.in{opacity:1;transform:translateY(0)}
  .card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,.45);border-color:rgba(56,225,255,.4)}
.card.left{margin-right:auto}
.card.right{margin-left:auto}
.card .orb{position:absolute;top:22px;width:13px;height:13px;border-radius:50%;background:var(--ac,#38e1ff);
    box-shadow:0 0 12px var(--ac,#38e1ff)}
.card.left .orb{right:-32px}.card.right .orb{left:-32px}
  .card .year{font-size:12px;color:var(--text-sec);font-weight:700}
  .card .type-tag{display:inline-block;font-size:10px;color:#061018;padding:2px 8px;border-radius:10px;margin-left:6px;font-weight:700}
  .card .cname{font-size:16px;font-weight:800;margin-top:6px}
  .card .sub{font-size:12.5px;color:var(--text-sec);margin-top:5px}
  .card .pchip{display:inline-block;font-size:11px;color:var(--cyan);background:rgba(56,225,255,.12);
    padding:1px 8px;border-radius:8px;margin:4px 4px 0 0;cursor:pointer}
  /* ===== ⭐ 标志性事件高亮 ===== */
  .card.star{border-color:rgba(245,197,66,.55);border-left:4px solid #f5c542;
    box-shadow:0 6px 24px rgba(0,0,0,.3),0 0 0 1px rgba(245,197,66,.4),0 0 26px rgba(245,197,66,.3)}
  .card.star:hover{box-shadow:0 10px 30px rgba(0,0,0,.45),0 0 0 1px rgba(245,197,66,.6),0 0 34px rgba(245,197,66,.45);border-color:#f5c542}
  .card.star .orb{background:#f5c542;box-shadow:0 0 12px #f5c542,0 0 24px rgba(245,197,66,.6)}
  .card .star-badge{position:absolute;top:-11px;right:14px;font-size:13px;line-height:1;padding:4px 6px;border-radius:50%;
    background:radial-gradient(circle at 50% 38%,#fff6cf,#f5c542);box-shadow:0 0 14px rgba(245,197,66,.8);
    animation:starpulse 2.6s ease-in-out infinite;z-index:3}
  .card .star-tag{display:inline-block;font-size:10px;font-weight:800;color:#3a2c00;background:linear-gradient(90deg,#f5c542,#ffd76a);
    padding:2px 9px;border-radius:10px;margin-left:6px;vertical-align:middle}
  @keyframes starpulse{0%,100%{transform:scale(1);filter:brightness(1)}50%{transform:scale(1.14);filter:brightness(1.2)}}
  @media(max-width:768px){
    .card{width:auto;margin-left:46px!important;margin-right:8px!important}
    .card .orb{left:-30px!important;right:auto!important}
    .card.left,.card.right{margin-left:46px}
  }
  /* ===== GPT 时代视图：区域 / 类型 筛选 + 卡片标签 ===== */
  .gpt-filter{max-width:1100px;margin:14px auto 8px;padding:0 24px;display:flex;flex-direction:column;gap:9px}
  .gpt-frow{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
  .gpt-flabel{font-size:12px;color:var(--text-sec);font-weight:700;min-width:64px;letter-spacing:1px}
  .gpt-chip{font-family:inherit;cursor:pointer;font-size:12px;padding:5px 13px;border-radius:14px;
    color:var(--text);background:rgba(255,255,255,.05);border:1px solid var(--line);transition:all .18s}
  .gpt-chip:hover{border-color:rgba(56,225,255,.5);transform:translateY(-1px)}
  .gpt-chip.active{color:#061018;background:linear-gradient(90deg,var(--cyan),var(--violet));border-color:transparent;font-weight:700}
  .gpt-rtag{display:inline-block;font-size:10px;font-weight:800;padding:2px 8px;border-radius:10px;margin-left:6px;vertical-align:middle}
  .gpt-rtag.cn{color:#04140d;background:linear-gradient(90deg,#3ee0a0,#7dffce)}
  .gpt-rtag.fn{color:#04121c;background:linear-gradient(90deg,#5fb8e6,#a7e0ff)}
  .gpt-ttag{display:inline-block;font-size:10px;font-weight:800;padding:2px 8px;border-radius:10px;margin-left:6px;vertical-align:middle;color:#061018}
  .gpt-org{display:inline-flex;align-items:center;gap:4px;font-size:10.5px;font-weight:800;padding:3px 9px;border-radius:10px;margin-top:10px;cursor:pointer;color:#06121a;background:linear-gradient(90deg,#9fe6c4,#bfe6ff);box-shadow:0 1px 6px rgba(56,225,255,.18);transition:transform .15s,box-shadow .15s;max-width:100%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
  .gpt-org:hover{transform:translateY(-1px);box-shadow:0 4px 14px rgba(56,225,255,.32)}
  .gpt-org-link{color:#06121a;background:linear-gradient(90deg,#9fe6c4,#bfe6ff)}
  @media(max-width:768px){.gpt-filter{padding:0 12px}.gpt-flabel{min-width:48px;font-size:11px}}

  /* ===== 学科分支 / 人物 网格 ===== */
  .pillar{max-width:1100px;margin:30px auto;padding:0 24px}
  .pillar-head{display:flex;align-items:center;gap:12px;margin:18px 0 14px}
  .pillar-head .dot{width:14px;height:14px;border-radius:50%}
  .pillar-head h2{font-size:22px;letter-spacing:2px}
  .pillar-head .desc{font-size:13px;color:var(--text-sec);margin-left:auto;text-align:right;max-width:50%}
  .grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
  .bcard{padding:14px 16px;border-radius:12px;background:var(--card-bg);border:1px solid var(--line);
    border-top:3px solid var(--ac,#38e1ff);cursor:pointer;transition:transform .2s,border-color .2s}
  .bcard:hover{transform:translateY(-3px);border-color:rgba(56,225,255,.45)}
  .bcard .bn{font-size:15px;font-weight:800}
  .bcard .bd{font-size:12px;color:var(--text-sec);margin-top:6px}
  .bcard .pchip{display:inline-block;font-size:11px;color:#38e1ff;background:rgba(56,225,255,.12);padding:1px 8px;border-radius:8px;margin:3px 4px 0 0;cursor:pointer}
  /* 机构官网链接（卡片 + 详情弹窗共用） */
  .bcard .lab-card-link{display:inline-flex;align-items:center;gap:4px;margin-top:9px;font-size:11.5px;font-weight:700;
    color:#061018;background:linear-gradient(90deg,var(--cyan),var(--violet));padding:3px 11px;border-radius:9px;
    text-decoration:none;box-shadow:0 2px 10px rgba(56,225,255,.28);transition:transform .15s}
  .bcard .lab-card-link:hover{transform:translateY(-1px)}
  /* 机构性质徽章（大学 / 研究所 / 公司·国内 / 公司·国外） + 公司子标题 */
  .bcard .bn-row{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
  .bcard-type{font-size:10.5px;font-weight:800;padding:2px 9px;border-radius:9px;white-space:nowrap;flex:0 0 auto;margin-top:3px}
  .bcard-type.t-univ{color:#061018;background:#38e1ff}
  .bcard-type.t-inst{color:#fff;background:#a78bfa}
  .bcard-type.t-comp-f{color:#061018;background:#f5c542}
  .bcard-type.t-comp-d{color:#061018;background:#6df0c0}
  .lab-subhead{display:flex;align-items:center;gap:9px;margin:20px 0 12px;font-size:14px;font-weight:800;color:var(--text)}
  .lab-subhead:first-of-type{margin-top:6px}
  .lab-subdot{width:11px;height:11px;border-radius:50%;flex:0 0 auto;box-shadow:0 0 8px rgba(0,0,0,.35)}
  .lab-subn{font-size:12px;font-weight:700;color:var(--text-sec);background:rgba(255,255,255,.06);padding:1px 9px;border-radius:9px}
  .lab-url{display:inline-flex;align-items:center;gap:6px;margin:2px 0 12px;font-size:13px;font-weight:700;
    color:#061018;background:linear-gradient(90deg,var(--cyan),var(--violet));padding:6px 14px;border-radius:10px;
    text-decoration:none;box-shadow:0 3px 14px rgba(56,225,255,.3);transition:transform .15s}
  .lab-url:hover{transform:translateY(-1px)}
  .lab-url .arw{font-size:14px}
  /* ===== 新手视角 ===== */
  .bb-hero{max-width:1100px;margin:18px auto 6px;padding:30px 28px;border-radius:20px;text-align:center;
    background:linear-gradient(135deg,rgba(56,225,255,.10),rgba(167,139,250,.12),rgba(245,197,66,.08));
    border:1px solid rgba(120,200,255,.3);box-shadow:0 0 40px rgba(56,225,255,.12)}
  .bb-hero h1{font-size:30px;margin:0 0 8px;letter-spacing:2px;background:linear-gradient(90deg,#7fe3ff,#c4a6ff,#f5c542);
    -webkit-background-clip:text;background-clip:text;color:transparent}
  .bb-hero p{font-size:15px;color:#c8d2ea;line-height:1.9;margin:6px auto 0;max-width:760px}
  .bb-hero .bb-badge{display:inline-block;font-size:12px;color:#061018;background:linear-gradient(90deg,#38e1ff,#a78bfa);
    padding:3px 14px;border-radius:20px;font-weight:800;margin-bottom:12px}
  .bb-card{padding:16px 18px;border-radius:14px;background:var(--card-bg);border:1px solid var(--line);
    border-left:4px solid var(--ac,#38e1ff);transition:transform .2s,border-color .2s;height:100%;
    display:flex;flex-direction:column;align-items:flex-start}
  .bb-card:hover{transform:translateY(-3px);border-color:rgba(56,225,255,.5)}
  .bb-card .bk{font-size:16px;font-weight:800;color:#eef1fb;display:flex;align-items:center;gap:8px}
  .bb-card .bk .em{font-size:20px}
  .bb-card .bd{font-size:13px;color:#c8d2ea;line-height:1.85;margin-top:8px;margin-bottom:12px}
  .bb-card .bana{font-size:12px;color:#9aa3c6;margin-top:8px;border-top:1px dashed rgba(150,170,210,.25);padding-top:8px}
  .bb-card .bb-go{margin-top:auto}
  .bb-go{display:inline-flex;align-items:center;gap:6px;font-family:inherit;font-size:13px;font-weight:700;cursor:pointer;
    margin-top:12px;padding:8px 16px;border-radius:20px;border:1px solid #38e1ff;background:rgba(56,225,255,.12);color:#7fe3ff;transition:all .2s}
  .bb-go:hover{background:rgba(56,225,255,.22);transform:translateX(3px)}
  .bb-path{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;counter-reset:step}
  .bb-step{padding:18px 18px 16px;border-radius:14px;background:var(--card-bg);border:1px solid var(--line);position:relative;overflow:hidden}
  .bb-step .num{font-size:34px;font-weight:900;color:rgba(120,200,255,.18);position:absolute;right:12px;top:2px;line-height:1}
  .bb-step h4{font-size:16px;margin:0 0 6px;color:#7fe3ff}
  .bb-step p{font-size:12.5px;color:#c8d2ea;line-height:1.8;margin:0}
  .bb-step .tip{font-size:11.5px;color:#9aa3c6;margin-top:8px}
  /* ====== 新手视角 · 五分钟模块卡（8 模块网格，仿 AI 知识星球） ====== */
  .mod8{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:6px}
  .mod8-card{padding:18px 16px;border-radius:16px;background:linear-gradient(160deg,rgba(56,225,255,.06),rgba(167,139,250,.04));
    border:1px solid rgba(120,200,255,.18);transition:transform .2s,border-color .2s,box-shadow .2s;cursor:pointer;position:relative;overflow:hidden}
  .mod8-card:hover{transform:translateY(-4px);border-color:rgba(56,225,255,.5);box-shadow:0 10px 28px rgba(56,225,255,.18)}
  .mod8-card::after{content:'';position:absolute;inset:0;border-radius:16px;pointer-events:none;
    background:linear-gradient(120deg,transparent 60%,rgba(56,225,255,.10));opacity:0;transition:opacity .25s}
  .mod8-card:hover::after{opacity:1}
  .mod8-emoji{font-size:34px;line-height:1;margin-bottom:10px;display:block}
  .mod8-tag{display:inline-block;font-size:11px;color:var(--text-sec);background:rgba(120,200,255,.10);padding:2px 10px;border-radius:10px;margin-bottom:8px;letter-spacing:1px}
  .mod8-title{font-size:16px;font-weight:800;color:var(--text);margin:4px 0 8px;letter-spacing:.3px}
  .mod8-card.active .mod8-title{color:var(--cyan)}
  .mod8-desc{font-size:12.5px;color:var(--text-sec);line-height:1.75}
  .mod8-foot{margin-top:10px;font-size:11px;color:var(--cyan);opacity:0;transition:opacity .2s}
  .mod8-card:hover .mod8-foot{opacity:1}
  /* 8 模块详情 · 翻页导航条 */
  .mod8-nav{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:14px;border-top:1px solid rgba(56,225,255,.18)}
  .mod8-nav button{flex:1;padding:10px 14px;border-radius:10px;border:1px solid var(--line);background:rgba(56,225,255,.08);color:var(--text);font-family:inherit;font-size:13px;cursor:pointer;transition:all .18s}
  .mod8-nav button:hover:not([disabled]){background:rgba(56,225,255,.18);border-color:rgba(56,225,255,.5)}
  .mod8-nav button[disabled]{opacity:.4;cursor:not-allowed}
  .mod8-nav .mod8-finish{background:rgba(34,197,94,.18)!important;border-color:rgba(34,197,94,.5)!important;color:#86efac!important}
  .mod8-progress{font-size:12px;color:var(--text-sec);min-width:90px;text-align:center;flex:0 0 auto}
  /* ====== 新手视角 · 术语表 ====== */
  .gloss-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
  .gloss-search{flex:1;min-width:220px;padding:10px 14px;border-radius:12px;border:1px solid var(--line);
    background:rgba(6,8,20,.55);color:var(--text);font-size:13.5px;font-family:inherit;outline:none;transition:border-color .18s}
  .gloss-search:focus{border-color:rgba(56,225,255,.6)}
  .gloss-letter{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin-bottom:16px}
  .gloss-letter button{font-family:inherit;font-size:13px;padding:4px 10px;border-radius:8px;border:1px solid var(--line);
    background:transparent;color:var(--text-sec);cursor:pointer;transition:all .15s}
  .gloss-letter button:hover{color:var(--text);border-color:rgba(56,225,255,.5)}
  .gloss-letter button.active{background:linear-gradient(90deg,var(--cyan),var(--violet));color:#061018;border-color:transparent;font-weight:800}
  .gloss-group{margin-top:18px}
  .gloss-group-h{font-size:14px;color:var(--cyan);font-weight:800;letter-spacing:2px;padding:4px 0 8px;border-bottom:1px solid rgba(120,200,255,.18);margin-bottom:8px}
  .gloss-legend{display:grid;grid-template-columns:150px 196px 86px 1fr;gap:14px;padding:6px 14px;font-size:11px;letter-spacing:1px;color:var(--text-sec);font-weight:700;opacity:.7}
  .gloss-row{display:grid;grid-template-columns:150px 196px 86px 1fr;gap:14px;align-items:start;padding:12px 14px;border-radius:10px;
    background:rgba(12,20,38,.45);border:1px solid transparent;margin-bottom:6px;cursor:pointer;transition:all .15s}
  .gloss-row:hover{background:rgba(56,225,255,.06);border-color:rgba(56,225,255,.25)}
  .gloss-term{font-weight:800;color:#eef1fb;font-size:14px}
  .gloss-en{font-size:12.5px;color:#8fd3ff;font-style:italic;font-weight:600;line-height:1.5;word-break:break-word}
  .gloss-cat{font-size:11px;color:#061018;font-weight:800;padding:3px 9px;border-radius:8px;display:inline-block;text-align:center;background:rgba(167,139,250,.5)}
  .gloss-cat.math{background:rgba(245,197,66,.6)}.gloss-cat.cs{background:rgba(56,225,255,.55)}.gloss-cat.ai{background:rgba(167,139,250,.55)}
  .gloss-def{font-size:12.5px;color:var(--text-sec);line-height:1.7}
  @media(max-width:680px){.gloss-row{grid-template-columns:1fr;gap:4px}}
  /* ====== 知识测验 ====== */
  .quiz-wrap{max-width:920px;margin:0 auto;padding:18px 16px 80px}
  .quiz-hero{text-align:center;padding:26px 22px;border-radius:20px;background:linear-gradient(135deg,rgba(56,225,255,.10),rgba(167,139,250,.12));
    border:1px solid rgba(120,200,255,.3);box-shadow:0 0 40px rgba(56,225,255,.08);margin-bottom:18px}
  .quiz-hero h1{font-size:28px;margin:8px 0;letter-spacing:2px;background:linear-gradient(90deg,#f5c542,#38e1ff,#a78bfa);
    -webkit-background-clip:text;background-clip:text;color:transparent}
  .quiz-hero p{font-size:13.5px;color:var(--text-sec);line-height:1.85;max-width:720px;margin:6px auto 0}
  .quiz-dash{display:flex;gap:18px;flex-wrap:wrap;align-items:center;justify-content:center;padding:16px;border-radius:16px;
    background:var(--card-bg);border:1px solid var(--line);margin-bottom:18px}
  .quiz-stat{font-size:13px;color:var(--text-sec)}
  .quiz-stat b{color:var(--cyan);font-size:18px;font-weight:900}
  .quiz-stat.correct b{color:#5fe0a0}
  .quiz-stat.wrong b{color:#ff9bc4}
  .quiz-card{padding:22px;border-radius:18px;background:var(--card-bg);border:1px solid var(--line);margin-bottom:14px;position:relative;overflow:hidden}
  .quiz-card.correct{border-color:rgba(95,224,160,.5)}
  .quiz-card.wrong{border-color:rgba(255,155,196,.5)}
  .quiz-qno{display:inline-block;font-size:12px;color:#061018;font-weight:800;padding:3px 12px;border-radius:10px;
    background:linear-gradient(90deg,#38e1ff,#a78bfa);margin-bottom:10px;letter-spacing:1px}
  .quiz-qtext{font-size:16px;color:#eef1fb;font-weight:700;margin:6px 0 14px;line-height:1.7}
  .quiz-opts{display:flex;flex-direction:column;gap:9px}
  .quiz-opt{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:12px;border:1px solid var(--line);
    background:rgba(6,8,20,.4);cursor:pointer;font-family:inherit;font-size:13.5px;color:var(--text);text-align:left;transition:all .15s}
  .quiz-opt:hover:not(:disabled){border-color:rgba(56,225,255,.4);background:rgba(56,225,255,.06)}
  .quiz-opt:disabled{cursor:default}
  .quiz-opt .opt-key{flex:0 0 28px;height:28px;border-radius:50%;background:rgba(120,200,255,.12);color:var(--cyan);
    display:flex;align-items:center;justify-content:center;font-weight:900;font-size:13px}
  .quiz-opt.picked{background:rgba(56,225,255,.12);border-color:rgba(56,225,255,.5)}
  .quiz-opt.picked .opt-key{background:var(--cyan);color:#061018}
  .quiz-opt.is-correct{background:rgba(95,224,160,.12);border-color:rgba(95,224,160,.5)}
  .quiz-opt.is-correct .opt-key{background:#5fe0a0;color:#06231a}
  .quiz-opt.is-wrong{background:rgba(255,155,196,.12);border-color:rgba(255,155,196,.5)}
  .quiz-opt.is-wrong .opt-key{background:#ff9bc4;color:#23060a}
  .quiz-explain{margin-top:12px;padding:12px 14px;border-radius:10px;background:rgba(56,225,255,.08);
    border-left:3px solid var(--cyan);font-size:12.5px;color:var(--text-sec);line-height:1.7;display:none}
  .quiz-explain.show{display:block}
  .quiz-explain b{color:var(--cyan)}
  .quiz-nav{display:flex;gap:12px;justify-content:center;margin-top:18px;flex-wrap:wrap}
  .quiz-btn{font-family:inherit;font-size:13px;font-weight:800;cursor:pointer;padding:10px 22px;border-radius:22px;
    border:1px solid var(--cyan);background:rgba(56,225,255,.12);color:#7fe3ff;transition:all .18s}
  .quiz-btn:hover{background:rgba(56,225,255,.22)}
  .quiz-btn.primary{background:linear-gradient(90deg,#38e1ff,#a78bfa);color:#061018;border-color:transparent}
  .quiz-btn.primary:hover{transform:translateY(-2px)}
  .quiz-btn.ghost{background:transparent;color:var(--text-sec);border-color:var(--line)}
  .quiz-result{text-align:center;padding:36px 22px;border-radius:20px;background:linear-gradient(135deg,rgba(95,224,160,.08),rgba(56,225,255,.10));
    border:1px solid rgba(95,224,160,.4)}
  .quiz-result h2{font-size:32px;margin:0 0 8px;color:#5fe0a0;letter-spacing:2px}
  .quiz-result p{font-size:14px;color:var(--text-sec);margin:6px 0}
  .quiz-result .score{font-size:48px;font-weight:900;background:linear-gradient(90deg,#f5c542,#5fe0a0,#38e1ff);
    -webkit-background-clip:text;background-clip:text;color:transparent;margin:14px 0 6px;line-height:1}
  .bb-cta{max-width:1100px;margin:24px auto 40px;padding:26px;border-radius:20px;text-align:center;
    background:linear-gradient(135deg,rgba(167,139,250,.12),rgba(56,225,255,.10));border:1px solid rgba(120,200,255,.3)}
  .bb-cta .biggo{font-family:inherit;font-size:15px;font-weight:800;cursor:pointer;margin:10px 8px 0;padding:12px 26px;border-radius:24px;
    border:none;background:linear-gradient(90deg,#38e1ff,#a78bfa);color:#061018;transition:transform .2s;box-shadow:0 6px 20px rgba(56,225,255,.25)}
  .bb-cta .biggo:hover{transform:translateY(-3px)}
  .bb-cta .biggo.ghost{background:transparent;border:1px solid #38e1ff;color:#7fe3ff}
  /* 新手视角 · 概念小动画 */
  .bb-animbox{background:rgba(6,8,20,.5);border:1px solid rgba(100,160,220,.15);border-radius:12px;padding:8px;margin-top:10px}
  @keyframes bbFloat{0%{opacity:0;transform:translateY(7px)}55%{opacity:1}100%{opacity:.85;transform:translateY(0)}}
  @keyframes bbBlink{0%,100%{opacity:.25}50%{opacity:1}}
  @keyframes bbPulse{0%,100%{opacity:.3}50%{opacity:1}}
  @keyframes bbFlow{to{stroke-dashoffset:-22}}
  /* ===== 学习打卡 ===== */
  .study-wrap{max-width:1040px;margin:0 auto;padding:24px 16px 120px}
  .study-hero{text-align:center;padding:26px 22px;border-radius:20px;
    background:linear-gradient(135deg,rgba(245,197,66,.10),rgba(56,225,255,.10),rgba(167,139,250,.12));
    border:1px solid rgba(120,200,255,.3);box-shadow:0 0 40px rgba(56,225,255,.10);margin-bottom:20px}
  .study-hero h1{font-size:28px;margin:8px 0;letter-spacing:2px;background:linear-gradient(90deg,#f5c542,#38e1ff,#a78bfa);
    -webkit-background-clip:text;background-clip:text;color:transparent}
  .study-hero p{font-size:13.5px;color:#c8d2ea;line-height:1.85;max-width:720px;margin:6px auto 0}
  .study-dash{display:flex;gap:22px;align-items:center;flex-wrap:wrap;justify-content:center;
    padding:22px;border-radius:18px;background:var(--card-bg);border:1px solid var(--line);margin-bottom:18px}
  .dash-ring{position:relative;width:120px;height:120px;flex:0 0 auto}
  .dash-pct{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:30px;font-weight:900;color:#eef1fb}
  .dash-pct span{font-size:14px;color:var(--text-sec);margin-left:2px}
  .dash-info{flex:1 1 320px;min-width:280px}
  .dash-big{font-size:16px;color:#e8eefc;margin-bottom:8px}
  .dash-big b{color:var(--cyan);font-size:20px}
  .dash-today{font-size:13.5px;color:var(--text-sec);margin-bottom:6px}
  .dash-today b{color:#f5c542;font-size:17px}
  .dash-today.hit{color:#9affc0}
  .dash-today.hit b{color:#9affc0}
  .dash-streak{font-size:13.5px;color:var(--text-sec);margin-bottom:12px}
  .dash-streak b{color:var(--violet);font-size:17px}
  .cat-bars{display:flex;flex-direction:column;gap:7px;margin-top:4px}
  .cat-bar{display:flex;align-items:center;gap:10px;font-size:12.5px}
  .cb-name{width:64px;flex:0 0 auto;font-weight:700}
  .cb-track{flex:1;height:8px;border-radius:6px;background:rgba(120,160,220,.16);overflow:hidden}
  .cb-fill{display:block;height:100%;border-radius:6px;transition:width .4s}
  .cb-num{width:62px;text-align:right;flex:0 0 auto;color:var(--text-sec)}
  .study-controls{display:flex;flex-direction:column;gap:10px;padding:14px 16px;border-radius:16px;
    background:rgba(12,20,38,.6);border:1px solid var(--line);margin-bottom:18px}
  .sc-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
  .sc-label{font-size:12px;color:var(--text-sec);width:60px;flex:0 0 auto;letter-spacing:1px}
  .sc-group{display:flex;gap:8px;flex-wrap:wrap}
  .sc-tab,.sc-cat{font-family:inherit;cursor:pointer;font-size:13px;padding:6px 16px;border-radius:18px;
    border:1px solid var(--line);background:transparent;color:var(--text-sec);transition:all .18s}
  .sc-tab:hover,.sc-cat:hover{color:var(--text);border-color:rgba(56,225,255,.5)}
  .sc-tab.active{color:#061018;background:linear-gradient(90deg,var(--cyan),var(--violet));border-color:transparent;font-weight:700}
  .sc-cat.active{color:#061018;background:var(--gold);border-color:transparent;font-weight:700}
  .sc-toggle{font-size:13px;color:var(--text-sec);display:inline-flex;align-items:center;gap:7px;cursor:pointer;margin-left:auto}
  .sc-toggle input{accent-color:#38e1ff;width:15px;height:15px}
  .sc-reset{font-family:inherit;cursor:pointer;font-size:12.5px;padding:6px 14px;border-radius:16px;
    border:1px solid rgba(255,122,160,.4);background:transparent;color:#ff9bc4;transition:all .18s}
  .sc-reset:hover{background:rgba(255,122,160,.12)}
  .study-list{display:flex;flex-direction:column;gap:10px}
  .study-row{display:flex;align-items:center;gap:14px;padding:13px 16px;border-radius:14px;
    background:var(--card-bg);border:1px solid var(--line);border-left:4px solid var(--ac,#38e1ff);
    cursor:pointer;transition:transform .15s,border-color .15s,opacity .2s}
  .study-row:hover{transform:translateX(3px);border-color:rgba(56,225,255,.45)}
  .study-row.done{opacity:.62;border-left-color:#5fe0a0}
  .study-row.done .study-row-title{text-decoration:line-through;color:var(--text-sec)}
  .study-check{flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:2px solid var(--line);
    background:transparent;color:#5fe0a0;font-size:16px;font-weight:900;cursor:pointer;transition:all .18s;
    display:flex;align-items:center;justify-content:center;padding:0}
  .study-check:hover{border-color:#5fe0a0}
  .study-check.on{background:linear-gradient(135deg,#5fe0a0,#38e1ff);border-color:transparent;color:#06231a}
  .study-row-main{flex:1;min-width:0}
  .study-row-title{font-size:15px;font-weight:800;color:#eef1fb;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .study-row-sub{font-size:12px;color:var(--text-sec);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .study-row-type{flex:0 0 auto;font-size:11px;color:#061018;padding:2px 10px;border-radius:10px;background:rgba(167,139,250,.5);font-weight:700}
  .study-row-cat{flex:0 0 auto;font-size:12px;font-weight:700;min-width:48px;text-align:right}
  .study-empty{text-align:center;padding:50px 20px;color:var(--text-sec);font-size:15px}
  /* ===== 学习打卡 · 阶段导航（7 方块） ===== */
  .sn-wrap{max-width:1080px;margin:0 auto;padding:0 16px 120px}
  .sn-summary{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:16px 0 20px;padding:14px 20px;
    border-radius:16px;border:1px solid rgba(56,225,255,.22);
    background:linear-gradient(120deg,rgba(56,225,255,.10),rgba(167,139,250,.12))}
  .sn-sum-txt{font-size:13.5px;color:#cdd6ec;white-space:nowrap}
  .sn-sum-txt b{font-size:21px;font-weight:900;color:var(--cyan);margin:0 3px}
  .sn-sum-bar{flex:1 1 200px;min-width:160px;height:10px;border-radius:8px;background:rgba(120,160,220,.16);overflow:hidden}
  .sn-sum-bar i{display:block;height:100%;border-radius:8px;
    background:linear-gradient(90deg,#5fe0a0,#38e1ff,#a78bfa);transition:width .5s}
  .sn-sum-stat{display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--text-sec)}
  .sn-sum-stat b{color:#e8eefc}
  .sn-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
  .sn-card{position:relative;overflow:hidden;cursor:pointer;border-radius:18px;padding:20px 20px 16px 22px;
    min-height:200px;display:flex;flex-direction:column;
    background:linear-gradient(160deg,rgba(26,35,60,.9),rgba(13,19,36,.92));
    border:1px solid var(--line);transition:transform .18s,border-color .18s,box-shadow .22s}
  .sn-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--ac);opacity:.9}
  .sn-card::after{content:'';position:absolute;right:-46px;top:-46px;width:150px;height:150px;border-radius:50%;
    background:var(--ac);opacity:.10;pointer-events:none;transition:opacity .22s}
  .sn-card:hover::after{opacity:.20}
  .sn-card:hover{transform:translateY(-5px);border-color:var(--ac);box-shadow:0 16px 38px rgba(0,0,0,.45)}
  .sn-num{position:absolute;right:14px;bottom:4px;font-size:52px;font-weight:900;line-height:1;letter-spacing:-2px;
    color:var(--ac);opacity:.12;pointer-events:none}
  .sn-head{display:flex;align-items:center;gap:12px;position:relative;z-index:1;padding-right:60px}
  .sn-ico{font-size:28px;line-height:1}
  .sn-title{font-size:18px;font-weight:800;color:#eef1fb;letter-spacing:.4px}
  .sn-sub{font-size:12px;color:#8b97bf;margin-top:3px}
  .sn-desc{position:relative;z-index:1;margin-top:10px;font-size:12.5px;line-height:1.5;color:#9aa3c6}
  .sn-units{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 0;position:relative;z-index:1}
  .sn-chip{font-size:11.5px;color:#cdd6ec;background:rgba(120,160,220,.10);border:1px solid var(--line);
    border-radius:10px;padding:3px 9px;white-space:nowrap;transition:all .18s}
  .sn-chip.ok{color:#5fe0a0;border-color:rgba(95,224,160,.35);background:rgba(95,224,160,.10)}
  .sn-grow{flex:1;min-height:14px}
  .sn-bar{height:8px;border-radius:6px;background:rgba(120,160,220,.16);overflow:hidden;margin:14px 0 9px;position:relative;z-index:1}
  .sn-bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--ac),var(--ac2));
    transition:width .5s}
  .sn-foot{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-sec);
    position:relative;z-index:1;padding-right:64px}
  .sn-pct{font-size:16px;font-weight:900;color:var(--ac)}
  .sn-cnt{flex:1}
  .sn-cnt b{color:#e8eefc}
  .sn-state{font-size:11px;font-weight:700;padding:2px 9px;border-radius:10px;white-space:nowrap;
    background:rgba(120,160,220,.14);color:#9aa3c6}
  .sn-state.doing{background:rgba(56,225,255,.14);color:#7fe3ff}
  .sn-state.done{background:rgba(95,224,160,.16);color:#5fe0a0}
  .sn-go{font-weight:800;color:var(--ac);opacity:.85;white-space:nowrap}
  .sn-card:hover .sn-go{opacity:1}
  /* 第 7 块「其他」做成横向条，避免 3 列布局最后落单 */
  .sn-card.wide{grid-column:1/-1;min-height:0;flex-direction:row;align-items:center;gap:16px;padding:14px 22px}
  .sn-card.wide .sn-num,.sn-card.wide .sn-desc,.sn-card.wide .sn-grow{display:none}
  .sn-card.wide .sn-head{flex:0 0 auto;padding-right:0}
  .sn-card.wide .sn-units{flex:1 1 auto;margin:0}
  .sn-card.wide .sn-bar{flex:0 0 190px;margin:0}
  .sn-card.wide .sn-foot{flex:0 0 auto;padding-right:0}
  /* 区块阅读顶部：返回按钮 + 本段进度 */
  .nb-back{font-family:inherit;cursor:pointer;font-size:13px;font-weight:700;padding:7px 16px;border-radius:18px;
    border:1px solid rgba(56,225,255,.4);background:transparent;color:#7fe3ff;transition:all .16s;margin-bottom:10px;align-self:flex-start}
  .nb-back:hover{background:rgba(56,225,255,.14);color:#fff}
  .study-hero-block{text-align:left;display:flex;flex-direction:column;align-items:flex-start}
  .nb-block-prog{width:100%;max-width:560px;height:10px;border-radius:8px;background:rgba(120,160,220,.16);overflow:hidden;margin:10px 0 6px}
  .nb-block-prog-fill{display:block;height:100%;border-radius:8px;background:linear-gradient(90deg,#5fe0a0,#38e1ff);transition:width .4s}
  .nb-block-prog-txt{font-size:13px;color:var(--text-sec)}
  .nb-block-prog-txt b{color:var(--cyan)}
  @media(max-width:680px){
    .sc-label{width:auto}
    .study-row-type,.study-row-cat{display:none}
    .sn-grid{grid-template-columns:1fr}
    .sn-card.wide{flex-direction:column;align-items:stretch;gap:0;padding:20px 20px 16px 22px}
    .sn-card.wide .sn-units{margin:12px 0 0}
    .sn-card.wide .sn-bar{flex:0 0 auto;width:100%;margin:14px 0 9px}
    .sn-summary{gap:10px;padding:12px 14px}
    .sn-sum-bar{flex-basis:100%;min-width:0}
  }
  /* ===== 学习打卡 · 宽幅阅读弹窗 ===== */
  .study-modal-overlay{position:fixed;inset:0;background:rgba(2,5,14,.78);z-index:95;display:none;animation:sdfade .2s}
  .study-modal-overlay.show{display:block}
  .study-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.96);z-index:96;
    width:min(820px,92vw);max-height:82vh;background:var(--panel);border:1px solid var(--line);
    border-radius:20px;box-shadow:0 24px 80px rgba(0,0,0,.55),0 0 1px rgba(56,225,255,.25);
    overflow:hidden;transition:transform .25s cubic-bezier(.2,.9,.3,1);opacity:0;pointer-events:none}
  .study-modal.show{transform:translate(-50%,-50%) scale(1);opacity:1;pointer-events:auto}
  @keyframes sdfade{from{opacity:0}to{opacity:1}}
  .study-mhead{display:flex;align-items:center;gap:12px;padding:20px 24px 16px;border-bottom:1px solid var(--line)}
  .study-mhead .mtype{font-size:12px;color:#061018;padding:3px 12px;border-radius:10px;font-weight:800}
  .study-mhead h2{font-size:22px;color:#eef1fb;letter-spacing:.5px;flex:1}
  .study-mhead .mmeta{font-size:13px;color:var(--text-sec);white-space:nowrap}
  .study-mclose{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:transparent;
    color:var(--text-sec);font-size:18px;cursor:pointer;flex:0 0 auto;display:flex;align-items:center;justify-content:center;transition:all .15s}
  .study-mclose:hover{background:rgba(255,122,160,.12);color:#ff9bc4;border-color:rgba(255,122,160,.35)}
  .study-mbody{padding:22px 26px 30px;overflow-y:auto;max-height:calc(82vh - 76px);font-size:15px;line-height:1.95;color:#cdd6ec}
  .study-mbody p{margin-bottom:14px}
  .study-mbody b,.study-mbody strong{color:var(--cyan)}
  .study-mbody h3{font-size:17px;color:#7fe3ff;margin:18px 0 10px;padding-bottom:6px;border-bottom:1px dashed rgba(120,200,255,.2)}
  .study-mbody .msvg{margin:16px 0;text-align:center}
  .av{margin:6px 0;font-family:inherit}
  .av-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:8px 0}
  .av-lab{color:#9aa3c6;font-size:13px}
  .av-sel,.av-in{background:rgba(255,255,255,.06);border:1px solid rgba(56,225,255,.3);color:#e8ecf8;border-radius:8px;padding:6px 10px;font-family:inherit;font-size:13px}
  /* <option> 由浏览器原生渲染，不受 select 的 color 控制；显式给深底+亮字，否则候选项看不清 */
  .av-sel option,.av-sel optgroup{background:#0b1220;color:#e8ecf8}
  .av-sel option:checked,.av-sel option:hover{background:#1b2a52;color:#fff}
  .av-in{flex:1;min-width:150px}
  .av-btn{background:linear-gradient(135deg,#1b2a52,#0f1a36);border:1px solid rgba(56,225,255,.35);color:#cfe3ff;border-radius:8px;padding:6px 12px;font-family:inherit;font-size:13px;cursor:pointer;font-weight:600}
  .av-btn:hover{border-color:#38e1ff;color:#fff}
  .av-btn:disabled{opacity:.4;cursor:default}
  .av-spd{color:#9aa3c6;font-size:12px;display:flex;align-items:center;gap:6px}
  .av-canvas{display:block;width:100%;height:100%;background:#0b1220;border-radius:12px;border:1px solid rgba(56,225,255,.35);box-shadow:0 0 20px rgba(56,225,255,.08)}
  .av-canvaswrap{margin:6px 0;text-align:center;position:relative;overflow:hidden;border-radius:12px}
  .av-preview{position:absolute;left:10px;right:10px;bottom:10px;z-index:5;display:none;
    background:rgba(11,18,32,.92);border:1px solid rgba(245,197,66,.55);border-radius:10px;
    padding:10px 12px;box-shadow:0 8px 24px rgba(0,0,0,.5),0 0 18px rgba(245,197,66,.25);backdrop-filter:blur(6px)}
  .av-preview.show{display:block;animation:avPop .18s ease-out}
  @keyframes avPop{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
  .av-preview-title{font-size:12px;color:#ffe6a0;margin-bottom:8px;letter-spacing:.5px;font-weight:700}
  .av-preview-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
  .av-preview-actions .av-btn{padding:6px 10px;font-size:12px}
  .av-preview-actions .av-pv-keep{background:linear-gradient(135deg,#14532d,#0c3320);border-color:#4ade80;color:#d1fae5}
  .av-preview-actions .av-pv-keep:hover{background:linear-gradient(135deg,#166534,#14532d);color:#fff}
  .av-preview-actions .av-pv-reroll{background:linear-gradient(135deg,#7c2d12,#431407);border-color:#fbbf24;color:#fef3c7}
  .av-preview-actions .av-pv-cancel{background:linear-gradient(135deg,#1f2937,#0f172a);border-color:rgba(120,160,220,.4);color:#cbd5e1}
  .av-status{margin-top:8px;color:#cdd6ee;font-size:13px;line-height:1.6;min-height:40px}

  /* ===== 算法画廊（独立视角） ===== */
  .gal-hero{margin:18px 0 10px;padding:22px 24px;border-radius:16px;background:linear-gradient(135deg,rgba(56,225,255,.10),rgba(167,139,250,.10));border:1px solid rgba(56,225,255,.22)}
  .gal-hero h1{margin:6px 0 8px;font-size:26px;color:#eaf6ff}
  .gal-hero p{margin:0;font-size:14px;line-height:1.7;color:#c8d6ee;max-width:760px}
  .gal-catnav{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 4px}
  .gal-catnav a{font-size:12.5px;color:#cfe3ff;text-decoration:none;padding:5px 12px;border-radius:20px;background:rgba(255,255,255,.05);border:1px solid rgba(56,225,255,.22);transition:all .15s}
  .gal-catnav a:hover{background:rgba(56,225,255,.16);color:#fff}
  .gal-group{margin:26px 0 8px;scroll-margin-top:80px}
  .gal-group-h{display:flex;align-items:center;gap:10px;font-size:20px;color:#7fe3ff;margin:0 0 4px;padding-bottom:8px;border-bottom:1px solid rgba(120,200,255,.18)}
  .gal-group-h small{font-size:12px;color:#8b97bf;font-weight:400}
  .gal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(370px,1fr));gap:16px;margin-top:14px}
  @media(max-width:560px){.gal-grid{grid-template-columns:1fr}}
  .gal-card{background:rgba(255,255,255,.04);border:1px solid rgba(56,225,255,.16);border-radius:14px;padding:14px 16px 16px;box-shadow:0 6px 22px rgba(0,0,0,.25)}
  .gal-card-head{display:flex;align-items:center;gap:8px;margin-bottom:6px}
  .gal-emoji{font-size:19px;line-height:1}
  .gal-title{font-size:16px;margin:0;color:#eaf2ff;font-weight:700}
  .gal-tag{margin-left:auto;font-size:11px;color:#9aa3c6;border:1px solid rgba(154,163,198,.35);border-radius:20px;padding:2px 9px;white-space:nowrap}
  .gal-intro{font-size:13px;line-height:1.7;color:#c8d2ea;margin:0 0 10px}
  .gal-foot{margin-top:10px;font-size:11.5px;color:#7f8ab0;text-align:right}
  .av-step{display:inline-block;margin-right:10px;color:#38e1ff;font-weight:700;font-size:12px}
  .av-ctrl{margin-top:2px}
  .study-mfoot{display:flex;gap:12px;justify-content:center;padding:16px 24px 22px;border-top:1px solid var(--line)}
  .study-mbtn{font-family:inherit;font-size:14px;font-weight:700;cursor:pointer;padding:10px 24px;border-radius:20px;
    border:none;transition:all .18s}
  .study-mbtn.primary{background:linear-gradient(90deg,#38e1ff,#a78bfa);color:#061018;
    box-shadow:0 4px 18px rgba(56,225,255,.25)}
  .study-mbtn.primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(56,225,255,.35)}
  .study-mbtn.ghost{background:transparent;border:1px solid #38e1ff;color:#7fe3ff}
  .study-mbtn.ghost:hover{background:rgba(56,225,255,.12)}
  /* ===== 学习打卡 · 增强内容五段式 ===== */
  .se-section{margin-bottom:18px;padding-bottom:14px;border-bottom:1px dashed rgba(120,200,220,.15)}
  .se-section:last-child{border-bottom:none;margin-bottom:0}
  .se-h3{font-size:16px;color:#7fe3ff;margin:0 0 8px;letter-spacing:.5px;font-weight:800}
  .se-ul{list-style:none;padding:0;margin:8px 0 0}
  .se-ul li{font-size:13.5px;color:#c8d2ea;line-height:1.85;padding:4px 0 4px 18px;position:relative}
  .se-ul li::before{content:'▸';position:absolute;left:0;color:var(--ac,#38e1ff);font-weight:700}
  .se-ol{list-style:none;padding:0;margin:8px 0 0;counter-reset:step}
  .se-ol li{font-size:13.5px;color:#c8d2ea;line-height:1.9;padding:5px 0 5px 32px;position:relative;counter-increment:step}
  .se-ol li::before{content:counter(step);position:absolute;left:4px;top:5px;width:22px;height:22px;border-radius:50%;background:rgba(56,225,255,.15);color:#38e1ff;font-size:11px;font-weight:700;text-align:center;line-height:22px}
  .se-code{background:#0d1117;border:1px solid rgba(56,225,255,.2);border-radius:8px;padding:16px 18px;overflow-x:auto;font-size:12.5px;line-height:1.7;color:#c9d1d9;font-family:'Cascadia Code','Fira Code',Consolas,monospace;white-space:pre;margin:6px 0}
  .se-table-wrap{overflow-x:auto;margin:6px 0}
  .se-table-wrap table{width:100%;border-collapse:collapse;font-size:12.5px;color:#c8d2ea}
  .se-table-wrap th,.se-table-wrap td{padding:7px 10px;border:1px solid rgba(56,225,255,.15);text-align:left}
  .se-table-wrap th{background:rgba(56,225,255,.08);color:#7fe3ff;font-weight:600}
  .algo-svg-wrap{margin:14px 0;padding:10px;background:rgba(13,17,23,.6);border-radius:8px;border:1px solid rgba(56,225,255,.12);text-align:center;overflow-x:auto}
  .algo-svg{max-width:100%;height:auto;display:inline-block}
  /* ===== 详情面板（右侧抽屉） ===== */
  .detail-overlay{position:fixed;inset:0;background:rgba(2,4,10,.72);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);z-index:90;opacity:0;pointer-events:none;transition:opacity .3s}
  .detail-overlay.show{opacity:1;pointer-events:auto}
  /* 右侧滑入抽屉（参考 文明星河-中国历史时间轴 -detail.html） */
  .detail-panel{position:fixed;top:var(--navh,54px);right:0;bottom:0;width:min(480px,94vw);z-index:91;
    background:linear-gradient(180deg,rgba(15,19,45,.97),rgba(8,10,26,.97));
    border-left:1px solid rgba(56,225,255,.25);
    box-shadow:-30px 0 80px rgba(0,0,0,.6);
    overflow:hidden;padding:0;display:flex;flex-direction:column;
    transform:translateX(106%);opacity:0;visibility:hidden;
    transition:transform .42s cubic-bezier(.2,.8,.2,1),opacity .25s}
  .detail-panel.show{transform:translateX(0);opacity:1;visibility:visible}
  .detail-panel-head{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;
    padding:14px 18px 12px;border-bottom:1px solid rgba(120,200,255,.12);
    background:linear-gradient(180deg,rgba(56,225,255,.06),transparent)}
  .detail-panel-head .head-tag{font-size:11px;letter-spacing:1.5px;color:#7fe3ff;text-transform:uppercase;font-weight:700}
  .detail-close{width:32px;height:32px;border-radius:50%;border:1px solid rgba(120,200,255,.25);
    background:transparent;color:var(--text);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center}
  .detail-close:hover{background:rgba(56,225,255,.12);color:#7fe3ff}
  .detail-body-wrap{flex:1 1 auto;overflow:auto;padding:22px 32px 24px;scroll-behavior:smooth}
  .detail-panel .dtag{font-size:11px;color:#061018;padding:2px 10px;border-radius:10px;font-weight:700}
  .detail-panel h3{font-size:24px;margin:10px 0 6px;letter-spacing:1px;color:#e8ecf8}
  .detail-panel .dmeta{font-size:12px;color:var(--text-sec);margin-bottom:14px}
  .detail-panel h3 .d-en{font-size:14px;font-weight:500;font-style:italic;color:#8fd3ff;margin-left:6px}
  .phint{font-size:12px;color:#9fe7c8;margin:-4px 0 12px;opacity:.9}
  .beasy{font-size:11.5px;color:#9fe7c8;margin-top:7px;line-height:1.6;padding-left:8px;border-left:2px solid #3ddc97}
  .deasy{background:linear-gradient(90deg,rgba(61,220,151,.16),rgba(61,220,151,.04));border:1px solid rgba(61,220,151,.4);border-radius:10px;padding:12px 16px;margin:6px 0 16px;font-size:14px;color:#d8f7e8;line-height:1.85}
  .deasy .deasy-lab{display:inline-block;font-weight:800;color:#3ddc97;margin-right:6px}
  .detail-panel .dbody{font-size:14.5px;color:#cdd6ec;line-height:2}
  .detail-panel .dbody b{color:var(--cyan)}
  .detail-panel .dbody br+br{margin-top:4px}
  .detail-panel .arx-box{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px;padding:10px 14px;
    background:rgba(56,225,255,.07);border:1px solid rgba(56,225,255,.28);border-radius:11px}
  .detail-panel .arx-h{font-size:12.5px;font-weight:800;color:#7fe3ff;letter-spacing:.5px}
  .detail-panel .arx-link{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:700;color:#061018;
    background:linear-gradient(135deg,#38e1ff,#6df0c0);padding:6px 14px;border-radius:9px;text-decoration:none;
    transition:transform .15s,filter .15s}
  .detail-panel .arx-link:hover{transform:translateY(-1px);filter:brightness(1.07)}
  /* 机构详情：模型/产品发布时间线 + 核心特点（结构化，便于对比） */
  .lab-section{margin:18px 0 4px}
  .lab-sec-title{font-size:13px;font-weight:800;color:#7fe3ff;letter-spacing:1.2px;margin:0 0 10px;display:flex;align-items:center;gap:7px}
  .lab-timeline{position:relative;padding-left:16px}
  .lab-timeline::before{content:'';position:absolute;left:4px;top:6px;bottom:6px;width:2px;
    background:linear-gradient(180deg,#38e1ff,#a78bfa);opacity:.45}
  .tl-item{position:relative;padding:0 0 13px 16px}
  .tl-item::before{content:'';position:absolute;left:-16px;top:5px;width:9px;height:9px;border-radius:50%;
    background:#38e1ff;box-shadow:0 0 0 3px rgba(56,225,255,.18)}
  .tl-date{font-size:11px;color:#9fb0d0;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.5px}
  .tl-name{font-size:13.5px;color:#e8ecf8;font-weight:700;margin:1px 0 2px;line-height:1.4}
  .tl-note{font-size:12px;color:#aeb9d6;line-height:1.6}
  .tl-name .figlink{color:#38e1ff;cursor:pointer;transition:color .15s}
  .tl-name .figlink:hover{color:#7fe3ff;text-decoration:underline}
  .traits{display:flex;flex-wrap:wrap;gap:7px;margin-top:2px}
  .trait-chip{font-size:11.5px;color:#cfe8ff;background:rgba(56,225,255,.12);
    border:1px solid rgba(56,225,255,.3);padding:4px 11px;border-radius:9px;white-space:nowrap}
  /* 详情抽屉底部操作条（右侧抽屉专用） */
  .detail-foot-bar{flex:0 0 auto;display:flex;gap:10px;padding:14px 18px;
    border-top:1px solid rgba(120,200,255,.12);background:linear-gradient(0deg,rgba(56,225,255,.08),transparent)}
  .detail-foot-btn{flex:1;padding:11px 16px;border:none;border-radius:12px;font-size:13px;font-weight:700;
    cursor:pointer;font-family:inherit;transition:all .2s;text-align:center}
  .detail-foot-btn.primary{background:linear-gradient(135deg,#38e1ff,#a78bfa);color:#061018}
  .detail-foot-btn.primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
  .detail-foot-btn.ghost{background:rgba(255,255,255,.06);color:var(--text);border:1px solid rgba(120,200,255,.25)}
  .detail-foot-btn.ghost:hover{border-color:#38e1ff;color:#7fe3ff}
  /* 居中弹框里的翻页条 */
  .mod8-nav{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:14px 28px;border-top:1px solid rgba(120,200,255,.12);
    background:linear-gradient(180deg,transparent,rgba(56,225,255,.05))}
  .mod8-prev,.mod8-next{padding:9px 18px;border-radius:10px;border:1px solid rgba(120,200,255,.3);
    background:rgba(8,14,28,.6);color:var(--text);font-size:13px;cursor:pointer;transition:all .15s;font-family:inherit}
  .mod8-prev:hover:not(:disabled),.mod8-next:hover{background:rgba(56,225,255,.16);border-color:#38e1ff;color:#7fe3ff}
  .mod8-prev:disabled{opacity:.35;cursor:not-allowed}
  .mod8-next.mod8-finish{background:linear-gradient(135deg,#22c55e,#16a34a);border-color:#22c55e;color:#061018;font-weight:700}
  .mod8-next.mod8-finish:hover{filter:brightness(1.08);color:#061018}
  .mod8-progress{font-size:12.5px;color:var(--text-sec);font-weight:600;letter-spacing:1px;min-width:90px;text-align:center}
  @media (max-width:640px){
    .detail-panel{width:96vw}
    .detail-body-wrap{padding:18px 18px 18px}
    .mod8-nav{padding:12px 16px}
  }
  /* ===== 概念专题 / 合集 ===== */
  .ss-panel{margin:6px 0 26px;padding:18px 20px;border:1px solid rgba(120,200,255,.3);border-radius:16px;
    background:linear-gradient(135deg,rgba(56,225,255,.07),rgba(167,139,250,.07));box-shadow:0 0 30px rgba(56,225,255,.08)}
  .ss-title{font-weight:800;font-size:19px;color:#7fe3ff;letter-spacing:1px}
  .ss-svgbox{background:rgba(6,8,20,.5);border:1px solid rgba(100,160,220,.15);border-radius:12px;padding:10px;margin:12px 0}
  /* ===== 图示点击放大 ===== */
  .ss-svgbox,.msvg,.graph-svgbox{position:relative}
  .ss-svgbox>svg,.msvg>svg,.graph-svgbox>svg,.nb-svgbox .msvg>svg,svg.sota-chart,svg.papermap-svg,svg.metro-svg{cursor:zoom-in}
  .ss-svgbox:hover::after,.msvg:hover::after,.graph-svgbox:hover::after{content:'🔍 点击放大';position:absolute;right:10px;top:8px;font-size:11px;color:#9fd8ff;background:rgba(6,16,32,.92);border:1px solid rgba(56,225,255,.35);border-radius:8px;padding:2px 8px;pointer-events:none;z-index:3}
  .svg-lb{position:fixed;inset:0;z-index:2000;display:none;flex-direction:column;background:rgba(3,6,14,.95);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
  .svg-lb.show{display:flex}
  .svg-lb-top{flex:0 0 auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 18px;border-bottom:1px solid rgba(120,170,230,.18)}
  .svg-lb-title{font-size:14px;font-weight:800;color:#e8f0ff}
  .svg-lb-hint{font-size:11.5px;color:#8fa3c8}
  .svg-lb-btns{margin-left:auto;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
  .svg-lb-btn{background:rgba(56,225,255,.14);border:1px solid rgba(56,225,255,.4);color:#bfe9ff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:8px;cursor:pointer}
  .svg-lb-btn:hover{background:rgba(56,225,255,.28)}
  .svg-lb-zi{min-width:46px;text-align:center;font-size:12px;color:#ffe28a;font-weight:700}
  .svg-lb-stage{flex:1 1 auto;overflow:auto;padding:20px;display:flex;align-items:center;justify-content:center}
  .svg-lb-stage>svg{display:block;border-radius:10px}
  .ss-toggle{cursor:pointer;font-family:inherit;font-size:12px;padding:5px 14px;border-radius:14px;border:1px solid #38e1ff;
    background:transparent;color:#38e1ff;transition:all .2s}
  .ss-detail{display:none;margin-top:10px;font-size:13px;line-height:1.85;color:#c8d2ea}
  .ss-detail b{color:var(--gold)}
  .coll{margin:6px 0 26px;padding:14px 16px;border:1px solid rgba(120,200,255,.25);border-radius:14px;
    background:linear-gradient(135deg,rgba(56,225,255,.06),rgba(120,80,255,.06))}
  .coll-head{font-weight:700;font-size:15px;color:#7fe3ff;margin-bottom:10px;letter-spacing:1px}
  .coll-group{font-size:13px;color:#a9c7ff;font-weight:600;margin:8px 0 6px}
  .coll-row{display:flex;flex-wrap:wrap;gap:10px}
  .coll-item{flex:1 1 200px;min-width:150px;padding:10px 12px;border-radius:10px;background:rgba(20,30,48,.75);
    border:1px solid rgba(100,160,220,.18);cursor:pointer;text-align:left}
  .coll-item:hover{border-color:rgba(100,200,255,.45)}
  .coll-item .ci-name{font-size:14px;font-weight:700;color:#e0e8f0}
  .coll-item .ci-cat{font-size:10px;padding:1px 7px;border-radius:8px;margin-left:5px;color:#061018;font-weight:700}
  /* 关键概念：卡片区按「概念合集」分组（组内小标题 + 卡片网格） */
  .cg-group{margin:16px 0 2px}
  .cg-head{display:flex;align-items:center;gap:8px;font-size:13.5px;color:#a9c7ff;font-weight:700;margin:0 0 9px}
  .cg-head::before{content:'';width:4px;height:15px;border-radius:2px;background:#38e1ff;display:inline-block;flex:none}
  .cg-n{font-size:11px;font-weight:600;color:#7fe3ff;background:rgba(56,225,255,.14);border-radius:9px;padding:1px 8px}
  /* 概念卡上的「算法画廊有可交互案例」标记 + 详情里的画廊案例容器 */
  .cg-play{font-size:11px;margin-left:5px;opacity:.9}
  .ss-golink{margin-top:10px;text-align:center;font-size:12px}
  .ss-golink a{color:var(--cyan);text-decoration:none;border:1px solid rgba(56,225,255,.35);border-radius:9px;padding:4px 12px;display:inline-block}
  .ss-golink a:hover{background:rgba(56,225,255,.14)}
  .ss-svgbox .av-mount{margin-top:8px}
  /* ===== 对照视图 ===== */
  .compare-wrap{max-width:1100px;margin:20px auto;padding:0 24px}
  .cmp-lane{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:14px 0}
  .cmp-col h3{font-size:15px;padding:6px 12px;border-radius:10px;text-align:center;letter-spacing:2px}
  .cmp-col.east h3{background:rgba(245,197,66,.15);color:var(--gold)}
  .cmp-col.west h3{background:rgba(56,225,255,.15);color:var(--cyan)}
  .cmp-item{padding:10px 12px;border-radius:10px;background:var(--card-bg);border:1px solid var(--line);margin-top:10px;font-size:13px}
  .cmp-item .cy{font-weight:700;color:var(--cyan);font-size:12px}
  .cmp-item .ct{font-weight:700;margin:2px 0}
  @media(max-width:640px){.cmp-lane{grid-template-columns:1fr}}
  /* ===== 实验室 / 机构图谱 ===== */
  .lab-ribbon{max-width:1100px;margin:18px auto 30px;padding:14px 20px;border:1px solid var(--line);border-radius:14px;
    background:linear-gradient(135deg,rgba(56,225,255,.05),rgba(167,139,250,.05))}
  .lab-ribbon .lab-cap{font-size:12px;color:var(--text-sec);margin-bottom:12px;letter-spacing:1px}
  .lab-flow{display:flex;flex-wrap:wrap;gap:8px;align-items:stretch}
  .lab-node{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;cursor:pointer;
    padding:8px 11px;border-radius:10px;border:1px solid var(--line);background:rgba(20,30,48,.6);transition:all .2s;min-width:70px}
  .lab-node:hover{border-color:var(--ac,#38e1ff);transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,.35)}
  .lab-node .lab-yr{font-size:12px;font-weight:800;color:var(--ac,#38e1ff)}
  .lab-node .lab-nm{font-size:11.5px;color:var(--text);text-align:center;line-height:1.3}
  /* ===== 角度图谱（人物 + 机构 合并视图） ===== */
  .angle-head{max-width:1100px;margin:0 auto 14px}
  .angle-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
  .angle-tab{cursor:pointer;font-family:inherit;font-size:13px;padding:8px 18px;border-radius:20px;border:1px solid var(--line);
    background:rgba(18,26,46,.6);color:var(--text-sec);transition:all .22s;display:inline-flex;align-items:center;gap:7px}
  .angle-tab:hover{color:var(--text);border-color:rgba(56,225,255,.5);transform:translateY(-2px)}
  .angle-tab.active{color:#061018;font-weight:700;border-color:transparent;
    background:linear-gradient(90deg,#f5c542,#38e1ff);box-shadow:0 6px 18px rgba(56,225,255,.22)}
  .angle-body{display:block}
  /* ===== 术语表（含「关键概念」子标签） ===== */
  .gloss-tabs{display:flex;gap:10px;flex-wrap:wrap;max-width:1100px;margin:0 auto 16px}
  .gloss-tabs.in-hero{justify-content:center;margin:18px auto 0}
  .gloss-tab{cursor:pointer;font-family:inherit;font-size:13px;padding:8px 18px;border-radius:20px;border:1px solid var(--line);
    background:rgba(18,26,46,.6);color:var(--text-sec);transition:all .22s;display:inline-flex;align-items:center;gap:7px}
  .terms-top:empty{display:none}
  .gloss-tab:hover{color:var(--text);border-color:rgba(56,225,255,.5);transform:translateY(-2px)}
  .gloss-tab.active{color:#061018;font-weight:700;border-color:transparent;
    background:linear-gradient(90deg,#f5c542,#38e1ff);box-shadow:0 6px 18px rgba(56,225,255,.22)}
  .back-top{position:fixed;right:18px;bottom:22px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
    background:rgba(10,16,32,.85);color:var(--cyan);font-size:20px;cursor:pointer;z-index:40;display:none}
  .hint{text-align:center;color:var(--text-sec);font-size:12px;padding:8px}

  /* ================= 酷炫升级 · 追加增强样式（后定义覆盖） ================= */
  /* 动态星空画布 / 极光 / 进度条 / 鼠标光晕 */
  #stars{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
  #aurora{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
  #aurora .blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.32;mix-blend-mode:screen;animation:drift 28s ease-in-out infinite alternate}
  #aurora .b1{width:560px;height:560px;left:-8%;top:-14%;background:radial-gradient(circle,rgba(56,225,255,.5),transparent 65%)}
  #aurora .b2{width:640px;height:640px;right:-12%;top:6%;background:radial-gradient(circle,rgba(167,139,250,.45),transparent 65%);animation-delay:-9s;animation-duration:34s}
  #aurora .b3{width:520px;height:520px;left:30%;bottom:-24%;background:radial-gradient(circle,rgba(245,197,66,.4),transparent 65%);animation-delay:-17s;animation-duration:40s}
  @keyframes drift{from{transform:translate(0,0) scale(1)}to{transform:translate(70px,50px) scale(1.15)}}
  #progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:60;background:linear-gradient(90deg,var(--gold),var(--cyan),var(--violet),var(--pink));box-shadow:0 0 12px rgba(56,225,255,.6)}
  #glow{position:fixed;width:520px;height:520px;border-radius:50%;pointer-events:none;z-index:1;background:radial-gradient(circle,rgba(56,225,255,.08),transparent 60%);transform:translate(-50%,-50%)}
  /* 让内容浮于星空之上 */
  .hero,.stats-bar,.terms-top,.timeline-container,.hint,.pillar,.compare-wrap,.graph-wrap,.lab-ribbon{position:relative;z-index:5}
  /* Hero 闪光标题 + 星座分隔线 + 动作按钮 */
.hero{padding-top:72px;text-align:center}
.hero h1{background-size:200% auto;animation:shine 6s linear infinite;margin:6px auto 8px;display:inline-block}
.hero .sub{max-width:760px;margin:6px auto 0;font-size:14.5px;line-height:1.85;color:var(--text,#c8d2ea)}
.hero .tag{margin-top:14px}
  @keyframes shine{to{background-position:200% center}}
  .hero .constel{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:20px}
  .hero .constel .cline{height:1px;width:74px;background:linear-gradient(90deg,transparent,rgba(56,225,255,.7))}
  .hero .constel .cline:last-child{background:linear-gradient(90deg,rgba(56,225,255,.7),transparent)}
  .hero .constel .cdot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:twinkle 2.4s ease-in-out infinite}
  .hero .constel .cdot:nth-child(3){animation-delay:.6s;background:var(--gold);box-shadow:0 0 10px var(--gold)}
  .hero .constel .cdot:nth-child(4){animation-delay:1.2s;background:var(--violet);box-shadow:0 0 10px var(--violet)}
  @keyframes twinkle{0%,100%{opacity:.35;transform:scale(.8)}50%{opacity:1;transform:scale(1.15)}}
  .hero-actions{margin-top:22px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
  .gbtn{font-family:inherit;cursor:pointer;font-size:13px;padding:9px 18px;border-radius:22px;border:1px solid var(--line);background:rgba(18,26,46,.6);backdrop-filter:blur(8px);color:var(--text);transition:all .25s;display:inline-flex;align-items:center;gap:7px;overflow:hidden}
  .gbtn:hover{transform:translateY(-2px);border-color:rgba(56,225,255,.6);box-shadow:0 8px 24px rgba(56,225,255,.2)}
  .gbtn.pwc-entry-hero{background:linear-gradient(135deg,#f5c542,#ffb347);color:#1a1205;border-color:transparent;font-weight:800;box-shadow:0 6px 18px rgba(245,197,66,.35)}
  .gbtn.pwc-entry-hero:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(245,197,66,.5)}
  .gbtn .kbd{font-size:10px;padding:1px 6px;border-radius:6px;border:1px solid var(--line);color:var(--text-sec)}
  /* 卡片玻璃拟态 + 发光 */
  .card,.bcard,.lab-node,.coll-item{backdrop-filter:blur(10px);background:linear-gradient(160deg,rgba(24,34,58,.85),rgba(14,20,38,.78))}
  .card:hover,.bcard:hover,.coll-item:hover{box-shadow:0 12px 34px rgba(0,0,0,.5),0 0 0 1px rgba(56,225,255,.35),0 0 26px rgba(56,225,255,.16)}
  .detail-panel{background:rgba(10,16,32,.9);backdrop-filter:blur(14px)}
  /* 通用浮现动画 */
  .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
  .reveal.in{opacity:1;transform:translateY(0)}
  /* 视图切换过渡 */
  #timeline{transition:opacity .22s ease,transform .22s ease}
  #timeline.switching{opacity:0;transform:translateY(10px)}
  /* 命令面板 */
  .pal-overlay{position:fixed;inset:0;background:rgba(2,4,10,.6);backdrop-filter:blur(4px);z-index:100;display:none}
  .pal-overlay.show{display:block}
  .pal{position:fixed;top:15vh;left:50%;transform:translateX(-50%);width:min(620px,92vw);z-index:101;background:rgba(13,20,38,.97);border:1px solid rgba(120,180,255,.3);border-radius:16px;box-shadow:0 24px 70px rgba(0,0,0,.6);overflow:hidden;display:none}
  .pal.show{display:block}
  .pal input{width:100%;padding:16px 20px;font-size:16px;background:transparent;border:none;outline:none;color:var(--text);font-family:inherit;border-bottom:1px solid var(--line)}
  .pal-list{max-height:52vh;overflow:auto;padding:8px}
  .pal-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;cursor:pointer}
  .pal-item .pi-tag{font-size:10px;padding:2px 8px;border-radius:8px;color:#061018;font-weight:700;flex-shrink:0}
  .pal-item .pi-name{font-size:14px;font-weight:700}
  .pal-item .pi-sub{font-size:11px;color:var(--text-sec);margin-left:auto;flex-shrink:0}
  .pal-item.active,.pal-item:hover{background:rgba(56,225,255,.12)}
  .pal-empty{padding:26px;text-align:center;color:var(--text-sec);font-size:13px}
  .pal-foot{padding:8px 14px;border-top:1px solid var(--line);font-size:11px;color:var(--text-sec);display:flex;gap:16px}
  /* 星图图谱 */
  .graph-wrap{max-width:1260px;margin:10px auto;padding:0 16px}
  .graph-svgbox{background:rgba(6,9,20,.55);border:1px solid var(--line);border-radius:18px;padding:8px;backdrop-filter:blur(6px)}
  .g-node{cursor:pointer;transition:opacity .2s}
  .g-node.dim{opacity:.15}
  .g-edge{transition:opacity .2s}
  .g-edge.dim{opacity:.05}
  .graph-legend{display:flex;gap:18px;justify-content:center;margin-top:10px;flex-wrap:wrap;font-size:12px;color:var(--text-sec);align-items:center}
  .graph-legend .lg{display:inline-flex;align-items:center;gap:6px}
  .graph-legend .lg i{width:11px;height:11px;border-radius:50%;display:inline-block}
  /* 按钮涟漪 */
  .ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.32);transform:scale(0);animation:ripple .55s ease-out;pointer-events:none}
  @keyframes ripple{to{transform:scale(3);opacity:0}}
  /* ===== 📅 学习打卡（融合学习笔记版式 · 深色） ===== */
  .nb-top{max-width:1180px;margin:18px auto 6px;padding:0 18px}
  .nb-dash-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap;background:var(--card-bg);border:1px solid var(--line);border-radius:14px;padding:12px 16px;margin-top:6px}
  .nb-prog{flex:1 1 220px;min-width:160px;height:12px;background:rgba(120,160,220,.15);border-radius:8px;overflow:hidden}
  .nb-prog-fill{height:100%;border-radius:8px;background:linear-gradient(90deg,var(--cyan),var(--violet));transition:width .4s}
  .nb-dash-txt{font-size:13px;color:var(--text-sec)}
  .nb-dash-txt b{color:var(--cyan);font-size:16px}
  .nb-reset{cursor:pointer;font-family:inherit;font-size:12px;color:var(--text-sec);background:transparent;border:1px solid var(--line);border-radius:10px;padding:5px 12px}
  .nb-reset:hover{color:var(--text);border-color:rgba(56,225,255,.5)}
  .nb{display:flex;gap:22px;align-items:flex-start;max-width:1180px;margin:6px auto;padding:8px 18px 70px}
  .nb-side{position:sticky;top:118px;width:264px;flex:0 0 264px;max-height:80vh;overflow:auto;
    background:var(--card-bg);border:1px solid var(--line);border-radius:14px;padding:14px 12px}
  .nb-side-title{font-weight:800;color:var(--cyan);letter-spacing:1px;margin-bottom:2px}
  .nb-side-sub{font-size:11px;color:var(--text-sec);margin-bottom:6px}
  .nb-unit{font-size:12px;color:var(--gold);font-weight:800;margin:12px 0 4px;letter-spacing:1px}
  .nb-ch{display:flex;align-items:center;gap:8px;width:100%;cursor:pointer;font-size:13px;line-height:1.4;
    color:var(--text-sec);background:transparent;border:0;border-radius:8px;padding:5px 8px;margin:2px 0;transition:all .15s}
  .nb-ch:hover{background:rgba(56,225,255,.12);color:var(--text)}
  .nb-ch.active{background:linear-gradient(90deg,rgba(56,225,255,.24),rgba(167,139,250,.24));color:#fff;font-weight:700}
  .nb-check{flex:0 0 auto;cursor:pointer;width:22px;height:22px;border-radius:50%;border:1.6px solid rgba(154,163,198,.6);
    background:transparent;color:transparent;font-size:13px;line-height:1;display:inline-flex;align-items:center;justify-content:center;transition:all .15s}
  .nb-check:hover{border-color:var(--cyan)}
  .nb-check.done{background:linear-gradient(90deg,var(--cyan),var(--violet));border-color:transparent;color:#061018;font-weight:800}
  .nb-ch-title{flex:1;min-width:0}
  .nb-main{flex:1;min-width:0}
  .nb-paper{position:relative;color:#e7ecf7;background:#101a33;border:1px solid var(--line);border-radius:12px;overflow:hidden;
    box-shadow:0 14px 46px rgba(0,0,0,.45);padding:34px 40px 30px 86px;
    background-image:repeating-linear-gradient(transparent,transparent 30px,rgba(120,160,220,.08) 30px,rgba(120,160,220,.08) 31px)}
  .nb-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
  .nb-unit-tag{display:inline-block;font-size:12px;font-weight:800;color:#061018;background:linear-gradient(90deg,var(--cyan),var(--violet));padding:3px 12px;border-radius:12px;letter-spacing:1px}
  .nb-page{font-size:12px;color:var(--text-sec);font-weight:700}
  .nb-checkbtn{margin-left:auto;cursor:pointer;font-family:inherit;font-size:13px;font-weight:800;color:#061018;
    background:linear-gradient(90deg,var(--cyan),var(--violet));border:0;border-radius:12px;padding:8px 16px;transition:all .15s;white-space:nowrap}
  .nb-checkbtn.done{background:transparent;color:#3ddc97;border:1.6px solid rgba(61,220,151,.6)}
  .nb-checkbtn:hover{filter:brightness(1.08)}
  .nb-title{font-family:'ZCOOL KuaiLe','Ma Shan Zheng','Noto Sans SC',sans-serif;font-size:30px;line-height:1.25;color:#eaf2ff;margin:12px 0 2px}
  .nb-chnum{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;margin-right:12px;
    background:linear-gradient(90deg,var(--cyan),var(--violet));color:#061018;border-radius:10px;font-family:'Gochi Hand','ZCOOL KuaiLe',cursive;font-size:22px;transform:rotate(-4deg)}
  .nb-intro{font-size:15.5px;line-height:1.9;color:#dfe8fb;background:rgba(56,225,255,.08);
    border-left:4px solid var(--cyan);border-radius:0 8px 8px 0;padding:10px 14px;margin:14px 0 18px}
  .nb-body{font-size:15px;line-height:1.85}
  .nb-b{margin:12px 0}
  .nb-bline{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
  .nb-tag{font-size:11px;font-weight:800;padding:2px 9px;border-radius:9px;letter-spacing:1px}
  .nb-tag-v{background:#ffe66d;color:#5a4a00}
  .nb-hl{background:#ffe66d;padding:1px 6px;border-radius:4px;font-weight:800;color:#3a2f00;font-size:16px}
  .nb-en{font-style:italic;color:#c6d36a;font-size:13px}
  .nb-btext{margin-top:3px;color:#cfd8ee}
  .nb-def{background:rgba(56,225,255,.08);border:2px solid rgba(56,225,255,.35);border-radius:12px;padding:12px 16px}
  .nb-def-t{font-weight:800;color:var(--cyan);margin-bottom:4px}
  .nb-mainline{font-weight:800;color:#eaf2ff;text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:5px;text-decoration-thickness:3px}
  .nb-blue{color:#8db6ff;font-weight:700}
  .nb-blue::before{content:'🖊 ';color:#8db6ff}
  .nb-ex{background:rgba(245,197,66,.08);border:2px dashed rgba(245,197,66,.55);border-radius:12px;padding:12px 16px}
  .nb-ex-t{font-weight:800;color:var(--gold);margin-bottom:4px}
  .nb-ex-b{font-family:ui-monospace,SFMono-Regular,Menlo,'Courier New',monospace;font-size:13.5px;line-height:1.7;
    white-space:pre-wrap;color:#e7ecf7;background:rgba(7,11,24,.55);border-radius:8px;padding:8px 10px}
  .nb-doodle{background:rgba(255,122,217,.10);border:2px solid rgba(255,122,217,.5);border-radius:16px 16px 16px 4px;padding:10px 16px;color:#f7c2e6;transform:rotate(-.4deg)}
  .nb-note{color:#cfd8ee}
  .nb-nav{display:flex;justify-content:space-between;gap:12px;margin-top:26px;padding-top:16px;border-top:2px dashed rgba(120,160,220,.3)}
  .nb-navbtn{font-family:inherit;cursor:pointer;font-size:13.5px;font-weight:700;color:#cfe0ff;background:rgba(56,225,255,.10);
    border:1px solid rgba(56,225,255,.35);border-radius:12px;padding:8px 14px;transition:all .15s;max-width:46%}
  .nb-navbtn:hover{background:rgba(56,225,255,.2)}
  .nb-svgbox{margin-top:20px;padding:16px;background:rgba(7,11,24,.4);border:1px dashed rgba(56,225,255,.35);border-radius:12px}
  .nb-story{background:rgba(167,139,250,.10);border:2px solid rgba(167,139,250,.45);border-radius:12px;padding:12px 16px}
  .nb-chronicle{background:rgba(245,197,66,.08);border:2px solid rgba(245,197,66,.45);border-radius:12px;padding:12px 16px}
  .nb-rich{margin-top:22px;padding:18px 20px;background:rgba(7,11,24,.4);border:1px solid rgba(120,160,220,.22);border-radius:12px}
  .nb-sec-t{font-size:15px;font-weight:800;color:var(--cyan);margin-bottom:10px;letter-spacing:1px}
  .nb-rich .se-h3{font-size:15.5px}
  @media(max-width:900px){.nb{flex-direction:column}.nb-side{position:static;width:100%;flex:none;max-height:none}.nb-paper{padding:26px 20px 26px 42px}}

  /* =================== 论文导览 =================== */
  .papermap-wrap{max-width:1400px;margin:18px auto 60px;padding:0 18px;color:var(--text)}
  .papermap-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:14px;margin-bottom:14px}
  .papermap-title{font-size:24px;color:#e8edff;letter-spacing:0.06em;font-weight:700}
  .papermap-ver{color:#9fb1cf;font-size:13px;margin-top:4px}
  .papermap-intro{max-width:560px;color:#cbd5ee;font-size:13.5px;line-height:1.7;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:10px;padding:10px 14px}
  .papermap-subtabs{display:flex;gap:6px;flex-wrap:wrap;margin:12px 0 14px}
  .papermap-subtabs button{padding:8px 16px;border-radius:8px;background:rgba(255,255,255,0.04);color:#cbd5ee;border:1px solid rgba(255,255,255,0.10);cursor:pointer;font-size:13px;transition:all .15s}
  .papermap-subtabs button:hover{background:rgba(56,225,255,.12)}
  .papermap-subtabs button.active{background:linear-gradient(135deg,#38e1ff,#6df0c0);color:#0a1428;border-color:#38e1ff;font-weight:700}
  .papermap-subcontent{background:rgba(7,11,24,.4);border:1px solid rgba(120,160,220,.22);border-radius:14px;padding:14px 14px 22px}
  .papermap-subtitle{color:#cbd5ee;font-size:13.5px;line-height:1.7;margin-bottom:8px}
  .papermap-linebar{display:flex;flex-wrap:wrap;gap:6px 16px;margin:8px 0 14px;font-size:12px;color:#cbd5ee;align-items:center}
  .papermap-linebar .lg{cursor:pointer;display:inline-flex;align-items:center;gap:6px;padding:3px 8px;border-radius:6px;border:1px solid transparent;transition:all .15s}
  .papermap-linebar .lg:hover{background:rgba(255,255,255,0.05)}
  .papermap-linebar .lg.dim{opacity:0.30}
  .papermap-linebar .lg i{width:24px;height:5px;border-radius:2px;display:inline-block;box-shadow:0 0 6px rgba(255,255,255,.15)}
  .papermap-svgwrap{overflow:auto;background:linear-gradient(180deg,rgba(20,32,58,.55),rgba(10,18,36,.55));border-radius:10px;border:1px solid rgba(120,160,220,.18)}
  .papermap-svg{width:100%;height:auto;display:block}
  .papermap-station text.lbl{font-size:11px;fill:#dbe4f5;pointer-events:none}
  .papermap-station text.lbl.dim{opacity:0.18}
  .papermap-station.dim{opacity:0.18}
  .papermap-line-dim{opacity:0.18}
  .papermap-link.dim{opacity:0.12}
  .pm-viewtabs{display:flex;gap:8px;margin:10px 0 14px}
  .pm-viewtabs button{background:rgba(255,255,255,0.05);border:1px solid rgba(120,160,220,0.28);color:#cbd5ee;border-radius:999px;padding:7px 16px;font-size:13px;cursor:pointer;transition:background .18s,border-color .18s,color .18s}
  .pm-viewtabs button:hover{border-color:rgba(160,200,255,0.5)}
  .pm-viewtabs button.active{background:linear-gradient(180deg,rgba(56,225,255,0.22),rgba(167,139,250,0.22));border-color:rgba(160,200,255,0.65);color:#eaf2ff;font-weight:600}
  .papermap-station circle.bg{fill:#fff;cursor:default;transition:transform .15s}
  .papermap-station circle.bg:hover{transform:scale(1.6);transform-box:fill-box;transform-origin:center}
  .papermap-image-pane{margin-top:18px;background:rgba(255,255,255,0.03);border:1px solid rgba(120,160,220,.18);border-radius:10px;padding:10px 12px}
  .papermap-image-pane summary{cursor:pointer;color:#cbd5ee;font-size:13.5px;padding:6px 4px;user-select:none}
  .papermap-image-pane summary:hover{color:#fff}
  .papermap-image-pane img{max-width:100%;height:auto;border-radius:6px;display:block;margin-top:10px;box-shadow:0 6px 18px rgba(0,0,0,.3)}
  .papermap-credit{margin-top:8px;color:#7a8db0;font-size:11.5px;line-height:1.6}
  .papermap-credit a{color:#38e1ff;text-decoration:none}
  .papermap-credit a:hover{text-decoration:underline}
  @media(max-width:900px){
    .papermap-head{flex-direction:column;align-items:flex-start}
    .papermap-intro{max-width:100%}
  }
  /* ===== 论文导览 · 文档型子标签（README 总览） ===== */
  .pmdoc{max-width:980px;margin:0 auto;padding:6px 4px 40px;line-height:1.85;font-size:15px;color:#d7e0f2}
  .pm-intro-below{margin-top:22px;padding-top:18px;border-top:1px solid rgba(120,160,220,.18)}
  /* ===== 论文导览 · 项目总览：第一张大图 → 右侧详情 ===== */
  .pm-ov-img{cursor:pointer;border:2px solid transparent;border-radius:8px;transition:border-color .15s,box-shadow .15s}
  .pm-ov-img:hover{border-color:#38e1ff;box-shadow:0 0 0 3px rgba(56,225,255,.18)}
  .pm-ov-hint{margin:8px 0 16px;padding:9px 14px;border-radius:8px;background:rgba(56,225,255,.10);border:1px solid rgba(56,225,255,.30);color:#bfe9ff;font-size:13px;cursor:pointer;transition:background .15s}
  .pm-ov-hint:hover{background:rgba(56,225,255,.17)}
  .pm-ov-mods{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 16px}
  .pm-ov-mod{padding:7px 13px;border-radius:999px;background:rgba(120,160,220,.14);border:1px solid rgba(120,160,220,.30);color:#dce8fb;cursor:pointer;font-size:13px;transition:all .15s}
  .pm-ov-mod:hover{background:linear-gradient(135deg,#38e1ff,#6df0c0);color:#0a1428;border-color:#38e1ff;font-weight:700}
  .pm-ov-sub{background:rgba(245,197,66,.12);border-color:rgba(245,197,66,.35);color:#ffe6a8}
  .pm-ov-sub:hover{background:linear-gradient(135deg,#f5c542,#ff9f6b);color:#1a1206}
  .pm-ov-usage{margin:6px 0 0;padding-left:18px;line-height:1.95;color:#cbd5ee}
  .pm-ov-usage li{margin:5px 0}
  .pm-sec-flash{animation:pmsecflash 1.6s ease}
  @keyframes pmsecflash{0%{background:rgba(56,225,255,.26);box-shadow:0 0 0 6px rgba(56,225,255,.16)}100%{background:transparent;box-shadow:none}}
  .pmdoc-anchor{display:block;height:1px;margin-top:-1px}
  .pmdoc-timeline{display:flex;flex-wrap:wrap;gap:10px;align-items:baseline;margin:14px 0 6px;padding:13px 17px;background:linear-gradient(90deg,rgba(56,225,255,.09),rgba(140,107,255,.05));border:1px solid rgba(120,160,220,.22);border-left:4px solid var(--cyan,#38e1ff);border-radius:10px}
  .pmdoc-tl-label{font-weight:700;color:#cfe2ff;font-size:14px;white-space:nowrap;flex:0 0 auto}
  .pmdoc-tl-body{color:#bcd2f0;font-size:13.5px;line-height:1.75}
  .pmdoc h1{font-size:27px;color:#eaf2ff;margin:8px 0 16px;font-weight:800;letter-spacing:.5px}
  .pmdoc h2{font-size:21px;color:#eaf2ff;margin:34px 0 12px;font-weight:700;padding-left:13px;border-left:4px solid var(--cyan,#38e1ff)}
  .pmdoc h3{font-size:17px;color:#bfe9ff;margin:24px 0 8px;font-weight:600}
  .pmdoc h4{font-size:15px;color:#9fe0ff;margin:16px 0 6px;font-weight:600;padding-left:11px;border-left:3px solid rgba(56,225,255,.5)}
  .pmdoc p{margin:11px 0;color:#d7e0f2}
  .pmdoc a{color:#5fd0ff;text-decoration:underline;text-underline-offset:2px}
  .pmdoc a:hover{color:#9fe9ff}
  .pmdoc ul,.pmdoc ol{padding-left:26px;margin:10px 0}
  .pmdoc li{margin:5px 0}
  .pmdoc img{max-width:100%;height:auto;border-radius:10px;border:1px solid rgba(255,255,255,.08);margin:12px auto;display:block;box-shadow:0 6px 18px rgba(0,0,0,.3)}
  .pmdoc table{border-collapse:collapse;width:100%;margin:16px 0;font-size:13.5px}
  .pmdoc th,.pmdoc td{border:1px solid rgba(120,150,200,.3);padding:8px 11px;color:#dbe4f5;text-align:center}
  .pmdoc th{background:rgba(56,225,255,.14);color:#cfe2ff;font-weight:700}
  .pmdoc tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
  .pmdoc code{background:rgba(255,255,255,.09);padding:1.5px 6px;border-radius:5px;font-size:13px;color:#ffe6a8;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
  .pmdoc pre{background:rgba(0,0,0,.34);border:1px solid rgba(255,255,255,.08);padding:13px 15px;border-radius:9px;overflow:auto;margin:12px 0}
  .pmdoc pre code{background:none;padding:0;color:#dbe4f5}
  .pmdoc blockquote{border-left:3px solid #6df0c0;padding:8px 15px;color:#aebdd6;background:rgba(109,240,192,.06);margin:14px 0;border-radius:0 8px 8px 0}
  .pmdoc hr{border:none;border-top:1px solid rgba(255,255,255,.13);margin:28px 0}
  @media(max-width:900px){
    .pmdoc{font-size:14.5px}
  }
  /* ===== 论文导览 · 地铁交互图（运行时由 METRO_DATA 渲染） ===== */
  .metro-stage{position:relative;margin:18px 0 28px;padding:16px 20px 18px;background:linear-gradient(180deg,rgba(20,32,58,.55),rgba(10,18,36,.55));border:1px solid rgba(120,160,220,.22);border-radius:16px;box-shadow:0 8px 26px rgba(0,0,0,.35);opacity:0;transform:translateY(14px);transition:opacity .45s ease,transform .45s ease}
  .metro-stage.in{opacity:1;transform:translateY(0)}
.metro-stage.metro-classic{background:linear-gradient(180deg,rgba(20,32,58,.55),rgba(10,18,36,.55));border:1px solid rgba(120,160,220,.22);box-shadow:0 12px 34px rgba(0,0,0,.45)}
.metro-classic .metro-svg{background:transparent}
.metro-classic .metro-cap-title{color:#eaf1ff}
.metro-classic .metro-cap-tip{color:#9fb4d8}
.metro-classic-capline{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 2px}
.metro-classic-chip{font-size:12px;color:#cfe0f7;background:rgba(120,160,220,.14);border:1px solid rgba(120,160,220,.30);border-radius:999px;padding:3px 10px}
.metro-classic .metro-toast{background:#14324f;color:#fff;border:1px solid #2b5f97}
.metro-classic .metro-station{cursor:pointer}
.metro-classic .metro-station:hover .metro-circle{filter:drop-shadow(0 2px 6px rgba(232,52,43,.55))}
.metro-classic .metro-edgelabel{pointer-events:none}
  .metro-cap{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-bottom:10px}
  .metro-cap-title{font-size:17px;font-weight:800;color:#dde7fa;letter-spacing:.5px}
  .metro-cap-lines{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
  .metro-cap-line{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#cbd5ee;background:rgba(255,255,255,.05);padding:3px 10px;border-radius:8px;border:1px solid rgba(255,255,255,.07)}
  .metro-line-tag{display:inline-block;width:18px;height:3px;border-radius:2px;box-shadow:0 0 8px currentColor}
  .metro-cap-tip{flex:1 1 100%;font-size:11.5px;color:#8d99ba;letter-spacing:.4px}
  .metro-svg{display:block;width:100%;height:auto;max-height:2400px;cursor:default;user-select:none}
  .metro-route{transition:opacity .25s ease,filter .25s ease,stroke-width .25s ease}
  .metro-station{cursor:pointer;transition:opacity .25s ease}
  .metro-station text{pointer-events:none}
  .metro-station .metro-circle{transition:transform .25s ease,filter .25s ease;transform-box:fill-box;transform-origin:center}
  .metro-station:hover .metro-circle{transform:scale(1.22);filter:drop-shadow(0 0 7px rgba(167,139,250,.85));stroke-width:5}
  .metro-station:hover .metro-name{fill:#fff;font-weight:700}
  /* 邻接站（JS 通过 mouseenter/mouseleave 添加 .metro-adjacent）
     与 hover 站有清晰的视觉层级：发光略弱、圆描边稍粗一档，文字也变白 */
  .metro-station.metro-adjacent .metro-circle{filter:url(#metro-glow);stroke-width:4.5}
  .metro-station.metro-adjacent .metro-name{fill:#fff}
  .metro-station.pulse .metro-circle{animation:metro-pulse .9s ease-out}
  .metro-station.pulse .metro-name{fill:#ffe28a}
  @keyframes metro-pulse{0%{transform:scale(1)}45%{transform:scale(1.45);filter:drop-shadow(0 0 14px rgba(255,225,138,.85))}100%{transform:scale(1.15)}}
  .metro-station.big{cursor:default}
  .metro-station.big:hover .metro-circle{transform:scale(1.08);filter:drop-shadow(0 0 10px rgba(224,96,192,.85))}
  .metro-station.big .metro-circle{transform-box:fill-box;transform-origin:center;transition:transform .25s ease,filter .25s ease}
  .metro-toast{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);max-width:88%;padding:9px 16px;background:rgba(8,16,32,.96);color:#e5edff;border:1px solid rgba(56,225,255,.45);border-radius:10px;font-size:13px;font-weight:600;backdrop-filter:blur(8px);box-shadow:0 6px 18px rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:opacity .25s ease}
  .metro-toast.show{opacity:1}
  .metro-toast strong{color:#ffe28a;margin-right:6px}
  @media(max-width:720px){.metro-cap-title{font-size:15px}.metro-cap-line{font-size:11px}}
  /* ===== 论文导览 · 时间轴演进路线图（ROADMAP_DATA 渲染） ===== */
  .rm-era-label{font-size:12.5px;font-weight:800;letter-spacing:.8px}
  .rm-axis-line{stroke:rgba(150,180,225,.34);stroke-width:1.4}
  .rm-axis-tick{stroke:rgba(150,180,225,.3);stroke-width:1.2}
  .rm-axis-year{font-size:12px;fill:#93a8cb;font-weight:700;letter-spacing:.5px}
  .rm-lane-name{font-size:14px;font-weight:800;letter-spacing:.5px}
  .rm-lane-sub{font-size:10.5px;fill:#8aa2d3;letter-spacing:.3px}
  .rm-name{font-size:14px;font-weight:700;fill:#e3ecfb}
  .rm-year{font-size:11px;fill:#8aa2d3;font-weight:600}
  .rm-dot{stroke:none}
  .metro-station:hover .rm-name{fill:#fff}
  /* ===== 双视图切换：时间轴演进路线图 ⇄ 地铁图 ===== */
  .mv-wrap{margin:6px 0 14px}
  .mv-tabs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:0 0 12px 2px}
  .mv-tab{appearance:none;-webkit-appearance:none;font-family:inherit;border:1px solid rgba(120,160,220,.28);background:rgba(18,30,54,.6);color:#a9bcdc;font-size:13px;font-weight:700;letter-spacing:.4px;padding:7px 15px;border-radius:999px;cursor:pointer;transition:color .22s ease,border-color .22s ease,background .22s ease,box-shadow .22s ease}
  .mv-tab:hover{color:#dce8ff;border-color:rgba(56,225,255,.5);background:rgba(24,44,78,.78)}
  .mv-tab.is-active{color:#06121f;background:linear-gradient(180deg,#8ceaff,#38e1ff);border-color:rgba(56,225,255,.72);box-shadow:0 4px 15px rgba(56,225,255,.3)}
  .mv-tab.is-active:hover{color:#06121f}
  .mv-hint{font-size:11.5px;color:#7d91b6;margin-left:4px;letter-spacing:.3px}
  .mv-pane{display:none}
  .mv-pane.is-active{display:block;animation:mvFade .34s ease both}
  @keyframes mvFade{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:none}}
  @media(max-width:720px){.mv-tab{font-size:12px;padding:6px 12px}.mv-hint{display:none}}
  /* ===== 开源实现 / SOTA 战绩 数据块 ===== */
  .pwc-box{margin:15px 0 0;padding:13px 15px;border:1px solid rgba(120,160,220,.2);border-radius:11px;background:rgba(14,26,48,.5)}
  .pwc-h{font-size:12.5px;font-weight:700;color:#8ceaff;letter-spacing:.6px;margin-bottom:10px;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
  .pwc-repo{display:block;font-size:12.5px;color:#9fd8ff;text-decoration:none;padding:4px 0;word-break:break-all;line-height:1.55}
  .pwc-repo:hover{color:#fff;text-decoration:underline}
  .pwc-fw{display:inline-block;font-size:10.5px;padding:1px 8px;border-radius:999px;background:rgba(56,225,255,.13);color:#7fd6f5;border:1px solid rgba(56,225,255,.3);font-weight:600;letter-spacing:.3px}
  .pwc-tbl{width:100%;border-collapse:collapse;font-size:12px}
  .pwc-tbl th{text-align:left;color:#8497bb;font-weight:600;padding:4px 8px 7px 0;border-bottom:1px solid rgba(120,160,220,.2);white-space:nowrap}
  .pwc-tbl td{padding:6px 8px 6px 0;border-bottom:1px solid rgba(120,160,220,.1);color:#cfe0f7;vertical-align:top;line-height:1.5}
  .pwc-rank{display:inline-block;min-width:22px;text-align:center;font-weight:700;padding:1px 7px;border-radius:5px;font-size:11px}
  .pwc-rank.g{background:rgba(255,196,84,.18);color:#ffd479;border:1px solid rgba(255,196,84,.42)}
  .pwc-rank.s{background:rgba(190,200,220,.14);color:#c3d0e4;border:1px solid rgba(190,200,220,.3)}
  .pwc-rank.b{background:rgba(214,150,96,.14);color:#e0a978;border:1px solid rgba(214,150,96,.32)}
  .pwc-rank.n{background:rgba(120,160,220,.1);color:#8fa5c6;border:1px solid rgba(120,160,220,.2)}
  .pwc-metric{color:#8ceaff;font-weight:600}
  .pwc-more{font-size:11.5px;color:#78889f;margin-top:9px;line-height:1.6}
  .pwc-ds{color:#8fa5c6;font-size:11.5px}

  /* ===== 方法百科 ===== */
  .mw-wrap{max-width:1440px;margin:30px auto 60px;padding:0 18px;color:var(--text)}
  .mw-head{margin-bottom:14px}
  .mw-title{font-size:24px;color:#e8edff;letter-spacing:.06em;font-weight:700}
  .mw-ver{color:#9fb1cf;font-size:13px;margin-top:4px}
  .mw-intro{max-width:680px;color:#cbd5ee;font-size:13.5px;line-height:1.7;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:10px 14px;margin-top:10px}
  .mw-filters{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:rgba(7,11,24,.5);border:1px solid rgba(120,160,220,.2);border-radius:12px;padding:11px 14px;margin-bottom:14px}
  .mw-search{flex:1 1 260px;min-width:200px;font-family:inherit;font-size:13px;padding:7px 12px;border-radius:8px;border:1px solid rgba(120,160,220,.28);background:rgba(10,18,36,.85);color:#e7ecf7;outline:none;transition:border-color .18s}
  .mw-search:focus{border-color:rgba(56,225,255,.6)}
  .mw-search::placeholder{color:#6c7f9e}
  .mw-body{display:grid;grid-template-columns:248px minmax(0,1fr);gap:16px;align-items:start}
  .mw-rail{position:sticky;top:88px;background:rgba(13,24,46,.72);border:1px solid rgba(56,225,255,.18);border-radius:12px;padding:10px;max-height:78vh;overflow:auto}
  .mw-rail::-webkit-scrollbar{width:7px}
  .mw-rail::-webkit-scrollbar-thumb{background:rgba(120,160,220,.3);border-radius:4px}
  .mw-rail-t{font-size:12px;color:#7d91b6;letter-spacing:.5px;font-weight:600;margin:2px 4px 8px}
  .mw-group{display:flex;justify-content:space-between;align-items:center;gap:8px;width:100%;text-align:left;font-family:inherit;cursor:pointer;border:1px solid transparent;background:rgba(255,255,255,.03);border-radius:8px;padding:6px 10px;margin-bottom:5px;color:#cdd9f3;font-size:12.5px;transition:all .16s}
  .mw-group:hover{background:rgba(56,225,255,.1);border-color:rgba(56,225,255,.3)}
  .mw-group.is-active{background:linear-gradient(135deg,rgba(56,225,255,.2),rgba(167,139,250,.14));border-color:rgba(56,225,255,.55);color:#fff}
  .mw-group b{font-weight:700;color:#8ceaff;font-size:11px;opacity:.85}
  .mw-rail-area{font-size:10.5px;color:#6c7f9e;margin:8px 4px 3px;letter-spacing:.3px}
  .mw-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:13px;align-items:start}
  .mw-card{background:rgba(11,20,40,.6);border:1px solid rgba(120,160,220,.2);border-radius:12px;padding:13px 14px;display:flex;flex-direction:column;gap:7px;transition:border-color .18s,transform .18s}
  .mw-card:hover{border-color:rgba(56,225,255,.45);transform:translateY(-2px)}
  .mw-card-h{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
  .mw-name{font-size:15.5px;font-weight:700;color:#eaf1ff;letter-spacing:.02em}
  .mw-year{flex-shrink:0;font-size:11px;color:#7fd6f5;background:rgba(56,225,255,.12);border:1px solid rgba(56,225,255,.3);border-radius:999px;padding:1px 9px;font-variant-numeric:tabular-nums}
  .mw-full{font-size:12px;color:#9fb1cf;line-height:1.45}
  .mw-desc{font-size:12.5px;color:#c2d0ea;line-height:1.62;overflow:hidden;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:4}
  .mw-desc.is-open{-webkit-line-clamp:unset;max-height:none}
  .mw-more{font-size:11.5px;color:#8ceaff;cursor:pointer;user-select:none;align-self:flex-start;background:none;border:none;font-family:inherit;padding:0}
  .mw-more:hover{text-decoration:underline}
  .mw-tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:2px}
  .mw-tag{font-size:10.5px;color:#c4b5fd;background:rgba(167,139,250,.14);border:1px solid rgba(167,139,250,.3);border-radius:999px;padding:1px 8px}
  .mw-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:3px}
  .mw-link{font-size:11.5px;color:#9fd8ff;text-decoration:none;padding:2px 9px;border-radius:6px;background:rgba(56,225,255,.09);border:1px solid rgba(56,225,255,.22)}
  .mw-link:hover{background:rgba(56,225,255,.2);color:#fff}
  .mw-repo{font-size:11px;color:#bfe9c8;text-decoration:none;padding:2px 8px;border-radius:6px;background:rgba(80,200,120,.1);border:1px solid rgba(80,200,120,.28);word-break:break-all}
  .mw-repo:hover{background:rgba(80,200,120,.2);color:#fff}
  .mw-fw{font-size:10px;font-weight:700;padding:1px 7px;border-radius:999px;margin-left:6px;vertical-align:middle}
  .mw-fw.pytorch{color:#ff9d4d;background:rgba(255,157,77,.14);border:1px solid rgba(255,157,77,.35)}
  .mw-fw.tf{color:#5fb3ff;background:rgba(95,179,255,.14);border:1px solid rgba(95,179,255,.35)}
  .mw-fw.none{color:#9aa7bd;background:rgba(154,167,189,.12);border:1px solid rgba(154,167,189,.3)}
  .mw-author{font-size:11.5px;color:#94a6c4;margin-top:1px}
  .mw-more2{display:block;text-align:center;margin:14px auto 0;font-family:inherit;cursor:pointer;background:rgba(56,225,255,.1);border:1px solid rgba(56,225,255,.35);color:#8ceaff;border-radius:999px;padding:7px 22px;font-size:13px}
  .mw-more2:hover{background:rgba(56,225,255,.2)}
  .mw-empty{padding:30px 10px;text-align:center;color:#7d91b6;font-size:13px;grid-column:1/-1}
  @media(max-width:820px){.mw-body{grid-template-columns:1fr}.mw-rail{position:static;max-height:none;display:flex;flex-wrap:wrap;gap:6px}.mw-group{width:auto}.mw-rail-area{display:none}}
  /* ===== SOTA 竞技场 ===== */
  .sota-wrap{max-width:1400px;margin:30px auto 60px;padding:0 18px;color:var(--text)}
  .sota-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:14px;margin-bottom:14px}
  .sota-title{font-size:24px;color:#e8edff;letter-spacing:.06em;font-weight:700}
  .sota-ver{color:#9fb1cf;font-size:13px;margin-top:4px}
  .sota-intro{max-width:620px;color:#cbd5ee;font-size:13.5px;line-height:1.7;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:10px 14px}
  .sota-filters{background:rgba(7,11,24,.5);border:1px solid rgba(120,160,220,.2);border-radius:12px;padding:12px 14px;margin-bottom:14px}
  .sota-frow{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:9px}
  .sota-frow:last-child{margin-bottom:0}
  .sota-flabel{flex:0 0 60px;font-size:12px;color:#7d91b6;letter-spacing:.5px;font-weight:600}
  .sota-chip{appearance:none;font-family:inherit;font-size:12.5px;padding:5px 12px;border-radius:999px;cursor:pointer;border:1px solid rgba(120,160,220,.25);background:rgba(18,30,54,.6);color:#a9bcdc;transition:all .18s;white-space:nowrap}
  .sota-chip:hover{color:#dce8ff;border-color:rgba(56,225,255,.5);background:rgba(24,44,78,.8)}
  .sota-chip.is-active{color:#06121f;background:linear-gradient(180deg,#8ceaff,#38e1ff);border-color:rgba(56,225,255,.72);font-weight:700;box-shadow:0 3px 12px rgba(56,225,255,.28)}
  .sota-chip b{font-weight:700;opacity:.72;margin-left:4px;font-size:11px}
  .sota-top-chip{background:rgba(167,139,250,.1);border-color:rgba(167,139,250,.3);color:#cdbbf6}
  .sota-top-chip:hover{color:#fff;border-color:rgba(167,139,250,.6);background:rgba(167,139,250,.2)}
  .sota-faint{color:#6c7f9e;font-size:12px}
  .sota-search{flex:1 1 240px;min-width:200px;font-family:inherit;font-size:13px;padding:7px 12px;border-radius:8px;border:1px solid rgba(120,160,220,.28);background:rgba(10,18,36,.85);color:#e7ecf7;outline:none;transition:border-color .18s}
  .sota-search:focus{border-color:rgba(56,225,255,.6)}
  .sota-search::placeholder{color:#6c7f9e}
  .sota-body{display:grid;grid-template-columns:330px minmax(0,1fr);gap:16px;align-items:start}
  .sota-side{position:sticky;top:88px;background:rgba(13,24,46,.72);border:1px solid rgba(56,225,255,.18);border-radius:12px;padding:12px;max-height:78vh;overflow:auto}
  .sota-side::-webkit-scrollbar,.sota-lbwrap::-webkit-scrollbar{width:7px;height:7px}
  .sota-side::-webkit-scrollbar-thumb,.sota-lbwrap::-webkit-scrollbar-thumb{background:rgba(120,160,220,.3);border-radius:4px}
  .sota-side-title{font-size:13.5px;font-weight:700;color:#cfe2ff;letter-spacing:.6px;margin-bottom:9px;display:flex;justify-content:space-between;align-items:center}
  .sota-side-count{font-size:11.5px;color:#7d91b6;font-weight:400}
  .sota-task{width:100%;text-align:left;font-family:inherit;cursor:pointer;border:1px solid transparent;background:rgba(255,255,255,.03);border-radius:9px;padding:8px 10px;margin-bottom:6px;transition:all .16s;display:block}
  .sota-task:hover{background:rgba(56,225,255,.1);border-color:rgba(56,225,255,.3)}
  .sota-task.is-active{background:linear-gradient(135deg,rgba(56,225,255,.2),rgba(167,139,250,.14));border-color:rgba(56,225,255,.55)}
  .sota-task-t{font-size:13px;color:#dbe6fb;font-weight:600;line-height:1.45;word-break:break-word}
  .sota-task.is-active .sota-task-t{color:#fff}
  .sota-task-m{font-size:11.5px;color:#8497bb;margin-top:3px;display:flex;gap:9px;flex-wrap:wrap;align-items:center}
  .sota-task-m em{font-style:normal;color:#8ceaff}
  .sota-empty{padding:24px 10px;text-align:center;color:#7d91b6;font-size:13px}
  .sota-main{min-height:200px}
  .sota-mh{background:rgba(7,11,24,.5);border:1px solid rgba(120,160,220,.2);border-radius:12px;padding:14px 16px;margin-bottom:14px}
  .sota-mh-t{font-size:18px;font-weight:700;color:#e8edff;letter-spacing:.04em}
  .sota-mh-m{font-size:12.5px;color:#9fb1cf;margin-top:5px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
  .sota-mh-link{color:#7fd6f5;text-decoration:none;border:1px solid rgba(56,225,255,.35);border-radius:8px;padding:2px 9px;font-size:12px;background:rgba(56,225,255,.1);transition:background .15s}
  .sota-mh-link:hover{background:rgba(56,225,255,.22)}
  .sota-tag{display:inline-block;font-size:11px;padding:1px 9px;border-radius:999px;background:rgba(167,139,250,.15);color:#c4b5fd;border:1px solid rgba(167,139,250,.3)}
  .sota-tag.dir{background:rgba(56,225,255,.13);color:#7fd6f5;border-color:rgba(56,225,255,.3)}
  .sota-ds{border:1px solid rgba(120,160,220,.18);border-radius:11px;background:rgba(11,20,40,.55);margin-bottom:11px;overflow:hidden}
  .sota-ds.is-open{border-color:rgba(56,225,255,.4)}
  .sota-ds-h{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;cursor:pointer;font-family:inherit;width:100%;text-align:left;background:none;border:none;color:inherit;transition:background .16s}
  .sota-ds-h:hover{background:rgba(56,225,255,.07)}
  .sota-ds-n{font-size:14px;font-weight:600;color:#e2ebfd;line-height:1.4}
  .sota-ds-n small{display:block;font-size:11.5px;color:#8fa5c6;font-weight:400;margin-top:2px}
  .sota-ds-r{display:flex;align-items:center;gap:9px;flex-shrink:0}
  .sota-ds-c{font-size:11.5px;color:#8497bb;white-space:nowrap}
  .sota-caret{color:#7d91b6;font-size:11px;transition:transform .2s}
  .sota-ds.is-open .sota-caret{transform:rotate(180deg)}
  .sota-ds-b{display:none;padding:0 14px 12px}
  .sota-ds.is-open .sota-ds-b{display:block}
  .sota-lbwrap{max-height:430px;overflow:auto;border-radius:8px}
  .sota-lb{width:100%;border-collapse:collapse;font-size:12.5px}
  .sota-lb th{position:sticky;top:0;z-index:2;background:#101c36;text-align:left;color:#8497bb;font-weight:600;font-size:11.5px;padding:7px 9px;border-bottom:1px solid rgba(120,160,220,.28);white-space:nowrap}
  .sota-lb td{padding:7px 9px;border-bottom:1px solid rgba(120,160,220,.1);color:#cfe0f7;vertical-align:top;line-height:1.5}
  .sota-lb tr:nth-child(even) td{background:rgba(255,255,255,.018)}
  .sota-lb tr:hover td{background:rgba(56,225,255,.07)}
  .sota-mname{color:#8ceaff;font-weight:600;cursor:pointer;text-decoration:none;border-bottom:1px dashed rgba(140,234,255,.35)}
  .sota-mname:hover{color:#fff;border-bottom-color:#fff}
  .sota-paper{color:#a9bcdc;text-decoration:none;display:block;max-width:330px;line-height:1.45}
  .sota-paper:hover{color:#8ceaff;text-decoration:underline}
  .sota-code{display:inline-block;font-size:11px;color:#9fd8ff;text-decoration:none;margin-right:7px;padding:1px 7px;border-radius:5px;background:rgba(56,225,255,.09);border:1px solid rgba(56,225,255,.22)}
  .sota-code:hover{background:rgba(56,225,255,.2);color:#fff}
  .sota-val{font-variant-numeric:tabular-nums;white-space:nowrap}
  .sota-val b{color:#e8edff}
  .sota-date{color:#8497bb;white-space:nowrap;font-variant-numeric:tabular-nums}
  .sota-chartbox{margin:4px 0 12px;padding:11px 13px;border:1px solid rgba(120,160,220,.16);border-radius:9px;background:rgba(8,15,32,.6)}
  .sota-chart-t{font-size:12px;color:#8ceaff;font-weight:600;letter-spacing:.4px;margin-bottom:3px}
  .sota-chart-s{font-size:11.5px;color:#78889f;margin-bottom:7px;line-height:1.55}
  .sota-chart{width:100%;height:auto;display:block;overflow:visible}
  .sota-chart .sc-grid{stroke:rgba(120,160,220,.16);stroke-width:1}
  .sota-chart .sc-line{fill:none;stroke:#38e1ff;stroke-width:2;stroke-linejoin:round}
  .sota-chart .sc-area{fill:url(#scGrad);stroke:none}
  .sota-chart .sc-dot{fill:#0a1428;stroke:#38e1ff;stroke-width:2}
  .sota-chart .sc-dot.first{fill:#f5c542;stroke:#f5c542}
  .sota-chart .sc-lbl{font-size:10px;fill:#9fb1cf;pointer-events:none}
  .sota-chart .sc-vlbl{font-size:10.5px;fill:#cfe0f7;pointer-events:none;font-weight:600}
  .sota-chart .sc-axis{font-size:9.5px;fill:#6c7f9e;pointer-events:none}
  /* 关闭态必须 visibility:hidden + pointer-events:none：
     它 z-index 1200（全页最高）、宽 430px、right:0/top:0/height:100%，
     仅靠 transform 停到视口外；若被命中测试算进视口，就会盖住右上角一整列
     —— 正好是宽屏下导航最后两个按钮所在位置（2026-09-20 加固） */
  .sota-mpanel{position:fixed;right:0;top:0;height:100%;width:430px;max-width:92vw;background:var(--panel);border-left:1px solid rgba(56,225,255,.25);box-shadow:-16px 0 44px rgba(0,0,0,.5);z-index:1200;overflow:auto;padding:20px 22px 40px;transform:translateX(100%);visibility:hidden;pointer-events:none;transition:transform .3s ease,visibility 0s linear .3s}
  .sota-mpanel.is-open{transform:none;visibility:visible;pointer-events:auto;transition:transform .3s ease,visibility 0s}
  .sota-mpanel h3{font-size:18px;color:#e8edff;margin-bottom:4px;padding-right:30px}
  .sota-mp-close{position:absolute;right:14px;top:14px;width:28px;height:28px;border-radius:50%;border:1px solid rgba(120,160,220,.3);background:rgba(18,30,54,.8);color:#9fb1cf;font-size:15px;cursor:pointer;line-height:1}
  .sota-mp-close:hover{color:#fff;border-color:#38e1ff}
  .sota-mp-meta{font-size:12px;color:#8497bb;margin-bottom:14px}
  .sota-mp-item{border:1px solid rgba(120,160,220,.16);border-radius:8px;padding:8px 11px;margin-bottom:7px;background:rgba(255,255,255,.03)}
  .sota-mp-item-t{font-size:12.5px;color:#dbe6fb;font-weight:600}
  .sota-mp-item-d{font-size:11.5px;color:#8497bb;margin-top:2px}
  .sota-credit{margin-top:16px;color:#7a8db0;font-size:11.5px;line-height:1.6}
  .sota-credit a{color:#38e1ff;text-decoration:none}
  .sota-credit a:hover{text-decoration:underline}
  @media(max-width:980px){
    .sota-body{grid-template-columns:1fr}
    .sota-side{position:static;max-height:none}
    .sota-flabel{flex-basis:100%}
  }
  .metro-station.ds .rm-name{font-size:12.5px;font-weight:600}
  .rm-link-dash{opacity:.5}
  /* ===== 论文阅读 / 数据集 / 故事 / 检索 ===== */
  .ds-wrap,.st-wrap{display:flex;gap:18px;align-items:flex-start;margin:18px 0 40px;position:relative}
  .reader-wrap{display:flex;flex-direction:column;gap:14px;margin:18px 0 40px;position:relative}
  .reader-row{display:flex;gap:18px;align-items:flex-start}
  /* 论文阅读上方子标签栏（论文详解 / 方法百科 / SOTA 榜单 / 论文库）：与主站 view-bar 同形式，后三者跳镜像页 */
  .reader-tabs{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
  .reader-tab{font-family:inherit;cursor:pointer;font-size:13px;padding:7px 16px;border-radius:20px;
    border:1px solid var(--line);background:transparent;color:var(--text-sec);text-decoration:none;transition:all .2s;white-space:nowrap}
  .reader-tab:hover{color:var(--text);border-color:rgba(56,225,255,.5)}
  .reader-tab.active{color:#061018;background:linear-gradient(90deg,var(--cyan),var(--violet));border-color:transparent;font-weight:700;box-shadow:0 0 18px rgba(56,225,255,.35)}
  .reader-side,.ds-side,.st-side{flex:0 0 280px;max-width:280px;position:sticky;top:90px;background:rgba(13,24,46,.7);border:1px solid rgba(56,225,255,.18);border-radius:12px;padding:14px;max-height:80vh;overflow:auto}
  .reader-side-title,.ds-side-title,.st-side-title{font-size:15px;font-weight:700;color:#cfe2ff;margin-bottom:10px;letter-spacing:1px}
  .reader-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
  .chip{cursor:pointer;font-size:12px;padding:4px 10px;border-radius:14px;border:1px solid rgba(120,150,200,.3);color:#9fb1cf;background:transparent}
  .chip.active{background:linear-gradient(90deg,var(--cyan),var(--violet));color:#061018;border-color:transparent;font-weight:700}
  .reader-list,.ds-list,.st-list{display:flex;flex-direction:column;gap:6px}
  .reader-item,.ds-item,.st-item{cursor:pointer;padding:9px 11px;border-radius:9px;border:1px solid transparent;background:rgba(255,255,255,.03);transition:.15s;color:#d6e2f5}
  .reader-item:hover,.ds-item:hover,.st-item:hover{background:rgba(56,225,255,.1);border-color:rgba(56,225,255,.3)}
  .reader-item.active,.ds-item.active,.st-item.active{background:rgba(56,225,255,.16);border-color:var(--cyan);color:#fff}
  .ri-name{font-size:13.5px;font-weight:600}
  .ri-meta{font-size:11px;color:#8aa0c4;margin-top:2px}
  .reader-main,.ds-main,.st-main{flex:1 1 auto;min-width:0;background:rgba(10,20,40,.55);border:1px solid rgba(56,225,255,.12);border-radius:12px;padding:22px 26px;max-height:84vh;overflow:auto}
  /* 论文阅读方框：已去掉右上角「进入论文方法库」按钮，改由上方子标签栏（方法百科 / SOTA 榜单 / 论文库）跳镜像页 */
  .reader-doc{max-width:920px;margin:0 auto}
  .reader-h1{font-size:24px;color:#eaf2ff;margin:0 0 12px;font-weight:800;letter-spacing:.5px}
  .reader-btns{display:flex;gap:10px;margin:0 0 16px;flex-wrap:wrap}
  .reader-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:20px;background:linear-gradient(90deg,#1b3a66,#2a5fa0);color:#dff;font-size:13px;text-decoration:none;border:1px solid rgba(56,225,255,.4)}
  .reader-btn:hover{filter:brightness(1.15)}
  .reader-btn-bili{background:linear-gradient(90deg,#fb7299,#ff9bbb);border-color:rgba(251,114,153,.5);color:#fff}
  .reader-cover{margin:0 0 16px;text-align:center}
  .reader-cover img{max-width:100%;max-height:360px;border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.35)}
  .reader-body{color:#d6e2f5;font-size:14.5px;line-height:1.85}
  .reader-body h1,.reader-body h2,.reader-body h3{color:#eaf2ff;margin:18px 0 8px}
  .reader-body img{max-width:100%;height:auto;border-radius:8px;margin:10px 0;box-shadow:0 4px 14px rgba(0,0,0,.3)}
  .reader-body table{border-collapse:collapse;width:100%;margin:12px 0;font-size:13px}
  .reader-body th,.reader-body td{border:1px solid rgba(120,150,200,.3);padding:6px 9px;text-align:left;color:#d6e2f5}
  .reader-body th{background:rgba(56,225,255,.12);color:#cfe2ff}
  .reader-body a{color:#38e1ff}
  .reader-body code{background:rgba(255,255,255,.08);padding:1px 5px;border-radius:4px;font-size:12.5px}
  .reader-body pre{background:rgba(0,0,0,.35);padding:12px;border-radius:8px;overflow:auto}
  .reader-empty{color:#8aa0c4;font-style:italic;padding:14px 0}
  .st-doc .reader-body img{max-height:440px}
  .search-wrap{margin:18px 0 40px}
  .search-bar{display:flex;align-items:center;gap:12px;margin-bottom:16px}
  .search-bar input{flex:1;padding:11px 16px;border-radius:24px;border:1px solid rgba(56,225,255,.3);background:rgba(13,24,46,.7);color:#eaf2ff;font-size:14px;font-family:inherit}
  .search-bar input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,225,255,.15)}
  .search-count{color:#8aa0c4;font-size:13px;white-space:nowrap}
  .search-results{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px}
  .search-item{cursor:pointer;padding:12px 14px;border-radius:10px;background:rgba(13,24,46,.6);border:1px solid rgba(56,225,255,.15);transition:.15s}
  .search-item:hover{background:rgba(56,225,255,.14);border-color:var(--cyan);transform:translateY(-2px)}
  .si-name{font-size:14px;font-weight:600;color:#eaf2ff}
  .si-meta{font-size:11.5px;color:#8aa0c4;margin-top:3px}
  @media(max-width:900px){
    .reader-wrap,.ds-wrap,.st-wrap{flex-direction:column}
    .reader-row{flex-direction:column}
    .reader-side,.ds-side,.st-side{position:static;max-width:100%;flex-basis:auto;max-height:none}
    .reader-main,.ds-main,.st-main{max-height:none}
  }
/* 顶部导航是 position:fixed（14 个按钮换行后更高，实际高度由脚本写进 --navh），
   所以容器必须整体让出导航高度，否则 nn3d 自己的顶栏（网络标签 / 浅深切换）会被导航压住点不到 */
.netviz-wrap{display:none;position:relative;width:100%;height:calc(100vh - var(--navh,54px) - 16px);margin-top:calc(var(--navh,54px) + 8px);border-radius:12px;overflow:hidden;background:transparent;box-shadow:0 6px 24px rgba(20,30,60,.14)}
.netviz-wrap:not([hidden]){display:block}
/* nn3d 以 Shadow DOM 内联进 .nn3d-host（构建期由 PlotNeuralNet/nn3d.html 注入，不再用 iframe） */
.nn3d-host{width:100%;height:100%;display:block;border-radius:12px;overflow:hidden}
body.view-netviz .tl-hero,body.view-netviz .filter-bar,body.view-netviz .stats-bar,body.view-netviz .rail,body.view-netviz .terms-top,body.view-netviz .timeline-container,body.view-netviz .hint{display:none!important}

/* ==== 常用导航 (__AINAV__) ==== */
body.view-ainav .tl-hero,body.view-ainav .filter-bar,body.view-ainav .stats-bar,
body.view-ainav .rail,body.view-ainav .terms-top,body.view-ainav .timeline-container,
body.view-ainav .hint,body.view-ainav .netviz-wrap{display:none!important}
body.view-ainav #papermap-panel{display:none!important}
.ainav-wrap{display:none;max-width:1280px;margin:0 auto;padding:calc(var(--navh,60px) + 20px) 18px 60px}
body.view-ainav .ainav-wrap{display:block}
.ainav-hero{text-align:center;margin-bottom:26px}
.ainav-title{font-size:31px;font-weight:800;letter-spacing:.5px;
  background:linear-gradient(92deg,#38e1ff,#a78bfa 46%,#f5c542);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.ainav-sub{margin-top:9px;font-size:14px;color:var(--text-sec);line-height:1.7}
.ainav-search{display:flex;justify-content:center;margin-top:18px}
.ainav-search input{width:min(520px,88%);padding:10px 16px;border-radius:999px;
  background:rgba(18,26,46,.85);border:1px solid var(--line);color:var(--text);font-size:14px;outline:none;
  font-family:inherit;transition:border-color .18s,box-shadow .18s}
.ainav-search input:focus{border-color:rgba(56,225,255,.55);box-shadow:0 0 0 3px rgba(56,225,255,.12)}
.ainav-search input::placeholder{color:rgba(154,163,198,.75)}
.ainav-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:14px}
.ainav-chip{padding:5px 13px;border-radius:999px;font-size:12.5px;cursor:pointer;
  background:rgba(18,26,46,.7);border:1px solid var(--line);color:var(--text-sec);
  transition:all .16s;white-space:nowrap}
.ainav-chip:hover{color:var(--text);border-color:rgba(56,225,255,.5);transform:translateY(-1px)}
.ainav-sec{margin-top:30px;scroll-margin-top:calc(var(--navh,60px) + 20px)}
.ainav-sechd{display:flex;align-items:center;gap:10px;padding-bottom:9px;border-bottom:1px solid var(--line)}
.ainav-em{margin-right:5px}
.ainav-sec-em{font-size:17px}
.ainav-sec-nm{font-size:16.5px;font-weight:700;color:var(--text)}
.ainav-sec-ct{margin-left:auto;font-size:11.5px;color:var(--text-sec);
  padding:2px 9px;border-radius:999px;background:rgba(120,160,220,.12)}
.ainav-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:11px;margin-top:13px}
.ainav-card{display:flex;gap:11px;align-items:center;padding:12px 13px;border-radius:13px;
  background:var(--card-bg);border:1px solid var(--line);text-decoration:none;color:inherit;
  transition:transform .18s ease,border-color .18s,box-shadow .18s}
.ainav-card:hover{transform:translateY(-3px);border-color:rgba(56,225,255,.55);
  box-shadow:0 10px 26px rgba(0,0,0,.38)}
.ainav-badge{width:38px;height:38px;flex:0 0 38px;border-radius:10px;display:flex;align-items:center;
  justify-content:center;font-weight:800;font-size:16px;color:#0a1020;letter-spacing:0}
.ainav-txt{min-width:0}
.ainav-nm{display:block;font-size:14px;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ainav-ds{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:12px;color:var(--text-sec);margin-top:2px;line-height:1.45}
.ainav-empty{text-align:center;color:var(--text-sec);font-size:13.5px;padding:34px 0}
@media (max-width:640px){
  .ainav-title{font-size:25px}
  .ainav-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
}


/* 导航栏固定顶部 + 全宽（绕过主样式表偶发的解析异常，确保常驻顶部、不再时上时下）
   z-index:92 —— 必须高于地铁图详情遮罩(90)/详情面板(91)：否则面板开着时遮罩盖住导航，
   点「论文阅读」等按钮毫无反应（2026-09-19 修复）；仍低于学习弹窗(95)/命令面板(100)。
   pointer-events:none 让导航条空白处点击穿透，按钮本身恢复 auto。 */
#view-bar{position:fixed;top:0;left:0;right:0;z-index:92;display:flex;justify-content:center;
  padding:11px 14px;background:rgba(7,11,24,.88);backdrop-filter:blur(12px);border-bottom:1px solid rgba(56,225,255,.28);
  box-shadow:0 6px 22px rgba(0,0,0,.45);pointer-events:auto}
/* 一行放不下就自动换行，绝不横向裁剪 = 任何宽度/缩放下 14 个按钮都在视口内、都能点。
   （2026-09-20 修「靠边按钮点不到」：此前用 overflow-x:auto + pointer-events:none，
     视口 <1573px 时右端按钮被裁出视口且滚轮/拖拽都滚不动 → 彻底够不着） */
.view-bar-inner{display:flex;flex-wrap:wrap;justify-content:center;gap:7px;width:100%;padding:0;pointer-events:auto}
.view-toggle-btn{pointer-events:auto}
/* --navh 由脚本按实际导航高度写入；单行时移除 → 回落到 54px（保持首盒 68px 基线不变） */
.hero{padding-top:var(--navh,54px);padding-bottom:6px}
.filter-bar{top:var(--navh,60px);z-index:25}
.spine{z-index:1;pointer-events:none;isolation:isolate}

/* ===== 右下角圆形快捷浮按钮（搜索 / 随便看看） ===== */
.fab-tray{position:fixed;right:24px;bottom:24px;display:flex;flex-direction:column;gap:14px;z-index:60;pointer-events:none}
.fab{position:relative;width:54px;height:54px;border-radius:50%;border:1px solid rgba(56,225,255,.38);
  background:radial-gradient(120% 120% at 30% 25%,rgba(56,225,255,.22),rgba(18,26,46,.85) 55%,rgba(8,14,30,.92));
  backdrop-filter:blur(14px);color:#e3ecff;font-family:inherit;font-size:22px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 28px rgba(0,0,0,.55),inset 0 0 0 1px rgba(255,255,255,.05);
  transition:transform .22s cubic-bezier(.34,1.56,.64,1),box-shadow .22s,border-color .22s;
  pointer-events:auto;-webkit-tap-highlight-color:transparent}
.fab:hover{transform:translateY(-4px) scale(1.07);border-color:rgba(56,225,255,.85);
  box-shadow:0 14px 34px rgba(56,225,255,.32),0 0 18px rgba(56,225,255,.45)}
.fab:active{transform:translateY(-1px) scale(1.02)}
.fab-random{border-color:rgba(167,139,250,.38);
  background:radial-gradient(120% 120% at 30% 25%,rgba(167,139,250,.22),rgba(18,26,46,.85) 55%,rgba(8,14,30,.92))}
.fab-random:hover{border-color:rgba(167,139,250,.85);
  box-shadow:0 14px 34px rgba(167,139,250,.34),0 0 18px rgba(167,139,250,.5)}
.fab-icon{line-height:1;filter:drop-shadow(0 0 6px rgba(56,225,255,.7));font-feature-settings:"liga" off}
.fab-random .fab-icon{filter:drop-shadow(0 0 6px rgba(167,139,250,.7))}
.fab-tip{position:absolute;right:calc(100% + 14px);top:50%;transform:translateY(-50%) translateX(10px);
  white-space:nowrap;padding:7px 13px;border-radius:9px;
  background:rgba(7,11,24,.94);border:1px solid rgba(56,225,255,.32);
  color:#d8e2ff;font-size:12.5px;letter-spacing:.5px;
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;
  box-shadow:0 6px 18px rgba(0,0,0,.5)}
.fab-random .fab-tip{border-color:rgba(167,139,250,.32)}
.fab-tip em{font-style:normal;color:#7fe3ff;margin-left:8px;font-size:10.5px;padding:1px 6px;
  border:1px solid rgba(56,225,255,.32);border-radius:5px;background:rgba(56,225,255,.08)}
.fab:hover .fab-tip{opacity:1;transform:translateY(-50%) translateX(0)}
.fab-random:hover .fab-tip{border-color:rgba(167,139,250,.6)}
/* 触屏设备无 hover — 永久显示一个轻量提示条 */
@media (hover:none){.fab-tip{opacity:.85;transform:translateY(-50%) translateX(0)}}
@media (max-width:768px){.fab-tray{right:14px;bottom:14px;gap:10px}.fab{width:46px;height:46px;font-size:19px}.fab-tip{display:none}}

'+NN3D_SRC.css+'
/* AlphaTree 里程碑索引大纲（SEO 静态正文 / 用户目录） */
.at-index{max-width:960px;margin:32px auto 8px;padding:10px 16px;background:transparent;border:1px solid rgba(120,160,255,.12);border-radius:12px;color:#8b97b8;font-size:13px}
.at-index summary{cursor:pointer;font-weight:600;color:#9fb0d8}
.at-index-list{margin:10px 0 2px;padding-left:20px;line-height:1.8;color:#7e8aa8}
.at-index-list li{margin:2px 0}
.at-pos{display:inline-block;min-width:22px;color:#7fa8ff;font-variant-numeric:tabular-nums}
.at-name{color:#cdd6ee;font-weight:600}
.at-desc{color:#7e8aa8}


/* 页脚版权 */
.at-footer{margin:48px auto 0;padding:22px 16px 32px;text-align:center;color:#8b97b8;font-size:13px;border-top:1px solid rgba(120,160,255,.12)}
.at-footer p{margin:0}