:root{
    --bg:#f7f5ec;
    --bg-rgb:247,245,236;
    --ink:#2c3a30;
    --ink-strong:#1f2b23;
    --muted:#7d8a7f;
    --amber:#b07d2e;
    --amber-soft:rgba(176,125,46,.12);
    --amber-line:rgba(176,125,46,.5);
    --green:#3d6b52;
    --line:rgba(45,58,48,.14);
    --line-strong:rgba(45,58,48,.32);
    --ring:60,75,62;
    --card-bg:rgba(247,245,236,.92);
    --node-dot:#3d6b52;
    --human-dot:#b07d2e;
    --serif:"Georgia","Songti SC","Noto Serif CJK SC","Source Han Serif CN",serif;
    --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  }
  @media (prefers-color-scheme: dark){
    :root{
      --bg:#0e0f0d;
      --bg-rgb:14,15,13;
      --ink:#d8d4c4;
      --ink-strong:#fffef5;
      --muted:#8a8779;
      --amber:#e0b878;
      --amber-soft:rgba(224,184,120,.14);
      --amber-line:rgba(224,184,120,.45);
      --green:#9fc9b0;
      --line:rgba(255,254,234,.13);
      --line-strong:rgba(255,254,234,.32);
      --ring:255,254,234;
      --card-bg:rgba(20,21,18,.88);
      --node-dot:#fffef5;
      --human-dot:#e0b878;
    }
  }
  html[data-theme="light"]{
    --bg:#f7f5ec;--bg-rgb:247,245,236;--ink:#2c3a30;--ink-strong:#1f2b23;--muted:#7d8a7f;
    --amber:#b07d2e;--amber-soft:rgba(176,125,46,.12);--amber-line:rgba(176,125,46,.5);
    --green:#3d6b52;--line:rgba(45,58,48,.14);--line-strong:rgba(45,58,48,.32);
    --ring:60,75,62;--card-bg:rgba(247,245,236,.92);
    --node-dot:#3d6b52;--human-dot:#b07d2e;
  }
  html[data-theme="dark"]{
    --bg:#0e0f0d;--bg-rgb:14,15,13;--ink:#d8d4c4;--ink-strong:#fffef5;--muted:#8a8779;
    --amber:#e0b878;--amber-soft:rgba(224,184,120,.14);--amber-line:rgba(224,184,120,.45);
    --green:#9fc9b0;--line:rgba(255,254,234,.13);--line-strong:rgba(255,254,234,.32);
    --ring:255,254,234;--card-bg:rgba(20,21,18,.88);
    --node-dot:#fffef5;--human-dot:#e0b878;
  }

  *{box-sizing:border-box;margin:0;padding:0;}
  body,html{width:100%;height:100%;overflow:hidden;background:var(--bg);
    font-family:var(--sans);color:var(--ink);
    transition:background .5s ease,color .5s ease;}
  .texture{position:fixed;inset:0;opacity:.025;pointer-events:none;z-index:999;
    background-image:radial-gradient(var(--ink) .5px,transparent .5px);
    background-size:3px 3px;}

  /* === 顶部 Header === */
  #topbar{position:absolute;top:0;left:0;right:0;height:62px;z-index:15;
    display:flex;align-items:center;justify-content:space-between;
    padding:0 24px;pointer-events:none;}
  #topbar > *{pointer-events:auto;}

  #menu-trigger{font-size:1.2rem;line-height:1;color:var(--ink);
    background:transparent;border:none;padding:8px;cursor:pointer;
    letter-spacing:.05em;transition:color .25s;}
  #menu-trigger:hover{color:var(--ink-strong);}

  #theme-toggle{font-size:.95rem;background:transparent;border:1px solid var(--line);
    width:36px;height:36px;border-radius:50%;cursor:pointer;color:var(--ink);
    transition:all .3s;display:flex;align-items:center;justify-content:center;}
  #theme-toggle:hover{border-color:var(--line-strong);color:var(--ink-strong);}

  #backToColl{font-family:var(--sans);font-size:.72rem;letter-spacing:.14em;
    color:var(--amber);background:var(--amber-soft);border:1px solid var(--amber-line);
    padding:8px 18px;border-radius:999px;cursor:pointer;transition:all .25s;}
  #backToColl:hover{background:var(--amber-line);color:var(--bg);}
  #userBadge{font-family:var(--sans);font-size:.66rem;letter-spacing:.06em;
    color:var(--muted);max-width:140px;overflow:hidden;text-overflow:ellipsis;
    white-space:nowrap;}
  #userBadge.in{color:var(--amber);}
  .tctrl{font-family:var(--sans);font-size:.66rem;letter-spacing:.06em;
    color:var(--ink);background:transparent;border:1px solid var(--line);
    padding:6px 12px;border-radius:999px;cursor:pointer;transition:all .25s;}
  .tctrl:hover{border-color:var(--line-strong);color:var(--ink-strong);}
  .tctrl.danger:hover{border-color:#c0563e;color:#c0563e;}

  /* === 顶部圆桌 Tabs === */
  #boards-tabs{display:flex;gap:6px;align-items:center;
    background:var(--card-bg);border:1px solid var(--line);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    padding:5px;border-radius:999px;}
  .tab{font-family:var(--sans);font-size:.7rem;letter-spacing:.08em;
    color:var(--muted);background:transparent;border:none;cursor:pointer;
    padding:7px 16px;border-radius:999px;transition:all .25s;}
  .tab:hover{color:var(--ink-strong);}
  .tab.active{background:var(--amber-soft);color:var(--amber);font-weight:600;}

  /* === 左侧 Sidebar (HERTI 导航) === */
  #sidebar{position:fixed;top:0;left:-340px;width:300px;height:100%;
    background:var(--bg);border-right:none;z-index:250;
    padding:36px 28px 40px;
    transition:left .45s cubic-bezier(.16,1,.3,1);
    overflow-y:auto;box-shadow:none;}
  #sidebar.open{left:0;border-right:1px solid var(--line);
    box-shadow:0 0 40px rgba(0,0,0,.25);}
  .brand{font-family:var(--serif);font-size:1.3rem;color:var(--ink-strong);
    font-weight:700;letter-spacing:.08em;margin-bottom:4px;}
  .brand-sub{font-size:.62rem;color:var(--muted);letter-spacing:.3em;
    text-transform:uppercase;margin-bottom:36px;}
  .nav-group-title{font-size:.58rem;color:var(--muted);letter-spacing:.25em;
    text-transform:uppercase;margin:24px 0 10px;}
  .nav-item{display:flex;align-items:center;gap:12px;padding:13px 0;
    font-family:var(--serif);font-size:.95rem;color:var(--ink);
    cursor:pointer;border-bottom:1px solid var(--line);
    transition:all .25s;text-decoration:none;}
  .nav-item:hover{color:var(--ink-strong);padding-left:6px;}
  .nav-item.current{color:var(--amber);font-weight:600;}
  .nav-item .dot{width:6px;height:6px;border-radius:50%;background:transparent;
    border:1px solid var(--line-strong);flex-shrink:0;}
  .nav-item.current .dot{background:var(--amber);border-color:var(--amber);}
  .nav-item small{display:block;font-size:.6rem;color:var(--muted);
    font-family:var(--sans);letter-spacing:.06em;margin-top:3px;}
  .nav-item-text{flex:1;min-width:0;}

  /* === Canvas / SVG === */
  #canvas-container,#svg-overlay{position:absolute;inset:0;}
  #canvas-container{z-index:1;}
  #svg-overlay{z-index:2;pointer-events:none;}

  /* === 时间标签：悬浮在圆环顶上方 === */
  .kick-float{position:absolute;left:50%;
    transform:translateX(-50%);
    font-size:.62rem;letter-spacing:.32em;color:var(--amber);
    font-style:italic;font-weight:600;z-index:3;
    pointer-events:none;white-space:nowrap;
    top:18%;transition:top .3s ease,opacity .5s ease;}

  /* === 中心问题（圆环中心居中） === */
  .center-box{position:absolute;top:46%;left:50%;
    transform:translate(-50%,-50%);
    width:min(82%,520px);max-width:calc(100vw - 48px);
    box-sizing:border-box;padding:0 6px;
    text-align:center;z-index:3;
    pointer-events:none;transition:opacity .5s ease;}
  .center-box h1{font-family:var(--serif);
    font-size:clamp(.95rem,2.2vw,1.5rem);
    font-weight:500;line-height:1.75;letter-spacing:.04em;
    color:var(--ink-strong);
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;
    overflow:hidden;text-overflow:ellipsis;
    pointer-events:auto;cursor:pointer;
    padding:0 4px;}
  .center-box h1.expanded{
    -webkit-line-clamp:unset;display:block;
    max-height:64vh;overflow-y:auto;
    font-size:clamp(.88rem,1.5vw,1.02rem);
    line-height:2;font-weight:400;
    text-align:left;padding:22px 22px;
    letter-spacing:.02em;
    background:var(--card-bg);border:1px solid var(--line);
    border-radius:10px;
    box-shadow:0 24px 60px rgba(0,0,0,.22);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    -webkit-overflow-scrolling:touch;overscroll-behavior:contain;}

  /* === 阅读态：长问题展开成一张安静的信纸 ===
     星轨淡出、节点与输入栏退场，只留中心的问题可读可滚 */
  body.reading .node,
  body.reading .ghost-seat{opacity:.04 !important;pointer-events:none;}
  body.reading #svg-overlay{opacity:.04;}
  body.reading #canvas-container{opacity:.3;}
  body.reading .kick-float{opacity:0;}
  body.reading #input-panel{opacity:.05;pointer-events:none;}
  body.reading .center-box{width:min(92vw,560px) !important;
    max-width:none !important;z-index:80;}
  #canvas-container,#svg-overlay{transition:opacity .45s ease;}
  .center-box .expand-hint{font-size:.55rem;color:var(--muted);
    letter-spacing:.2em;margin-top:10px;text-transform:uppercase;
    opacity:0;transition:opacity .3s;}
  .center-box h1.is-truncated ~ .expand-hint{opacity:1;}

  /* === 节点 === */
  /* 字体层级：代号 = serif 加粗小号 / 提炼 = sans 极小灰色；
     文字不得横向溢出节点宽度 */
  .node{position:absolute;z-index:4;transform:translate(-50%,-50%);
    width:148px;text-align:center;cursor:pointer;overflow:hidden;
    transition:transform .4s cubic-bezier(.16,1,.3,1),opacity .6s ease;}
  .node:hover{transform:translate(-50%,-50%) scale(1.06);}
  .node .dot{width:9px;height:9px;border-radius:50%;margin:0 auto 8px;
    background:var(--node-dot);box-shadow:0 0 10px 1px var(--amber-line);
    transition:all .3s;}
  .node.human .dot{background:var(--human-dot);}
  .node:hover .dot{transform:scale(1.5);}
  .node .nm{font-family:var(--serif);font-size:.78rem;
    color:var(--ink-strong);letter-spacing:.02em;font-weight:600;
    line-height:1.3;max-width:100%;overflow:hidden;
    text-overflow:ellipsis;white-space:nowrap;}
  .node .pv{font-family:var(--sans);font-size:.65rem;color:var(--muted);
    line-height:1.5;margin-top:4px;max-width:100%;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
    overflow:hidden;word-break:break-all;}

  /* === 卡片 === */
  #card{position:absolute;top:50%;left:50%;
    transform:translate(-50%,-46%) scale(.97);
    width:min(85%,460px);background:var(--card-bg);
    backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);
    border:1px solid var(--line);padding:40px 36px;
    z-index:100;opacity:0;pointer-events:none;
    transition:all .5s cubic-bezier(.16,1,.3,1);
    box-shadow:0 30px 70px rgba(0,0,0,.28);
    border-radius:6px;max-height:80vh;overflow-y:auto;}
  #card.visible{opacity:1;pointer-events:auto;
    transform:translate(-50%,-50%) scale(1);}
  /* 关闭按钮：吸附在卡片右上角，随滚动常驻 */
  #cardClose{position:sticky;top:-26px;float:right;
    margin:-26px -22px 0 12px;width:40px;height:40px;
    display:flex;align-items:center;justify-content:center;
    background:var(--card-bg);border:1px solid var(--line);
    border-radius:50%;color:var(--muted);font-size:.95rem;
    cursor:pointer;z-index:5;transition:all .25s;line-height:1;}
  #cardClose:hover{border-color:var(--amber-line);color:var(--amber);}
  #card .nm{font-family:var(--serif);font-size:1.05rem;
    color:var(--ink-strong);font-weight:600;}
  #card .al{font-size:.7rem;color:var(--amber);
    font-style:italic;margin-left:8px;}
  #card .lyr{font-size:.57rem;letter-spacing:.18em;text-transform:uppercase;
    color:var(--amber);margin:14px 0 14px;padding-top:14px;
    border-top:1px solid var(--line);font-weight:600;}
  #card .lyr.human{color:var(--green);}
  #card .txt{font-family:var(--serif);font-size:.94rem;line-height:2;
    color:var(--ink);text-align:left;letter-spacing:.015em;}
  #card .src{font-size:.68rem;color:var(--muted);
    font-style:italic;margin-top:18px;line-height:1.6;}
  #card .close-hint{margin-top:28px;font-size:.55rem;color:var(--muted);
    letter-spacing:.18em;text-align:center;text-transform:uppercase;}

  .like-btn{font-family:var(--sans);background:transparent;
    border:1px solid var(--line);color:var(--ink);
    padding:8px 18px;border-radius:999px;cursor:pointer;
    transition:all .25s;display:inline-flex;align-items:center;gap:8px;
    font-size:.78rem;letter-spacing:.06em;}
  .like-btn:hover{border-color:var(--amber-line);color:var(--amber);}
  .like-btn .lk-heart{font-size:1.05rem;transition:transform .3s;line-height:1;}
  .like-btn.liked{border-color:var(--amber);color:var(--amber);
    background:var(--amber-soft);cursor:default;}
  .like-btn.liked .lk-heart{color:#c0563e;}
  .like-btn.liked .lk-heart{transform:scale(1.15);}

  /* === 底部输入 === */
  #input-panel{position:absolute;bottom:32px;left:50%;
    transform:translateX(-50%);width:min(85%,520px);z-index:5;
    display:flex;flex-direction:column;gap:10px;transition:opacity .4s;}
  .ibar{display:flex;align-items:center;
    border-bottom:1px solid var(--line-strong);padding:5px 0;}
  #thought{flex:1;background:transparent;border:none;outline:none;
    color:var(--ink-strong);font-size:.9rem;padding:8px 4px;
    letter-spacing:.04em;font-family:var(--sans);}
  #thought::placeholder{color:var(--muted);font-style:italic;}
  #submit{background:transparent;border:none;color:var(--amber);
    cursor:pointer;font-size:.7rem;letter-spacing:.18em;padding:6px 12px;
    font-family:var(--sans);text-transform:uppercase;font-weight:600;}
  #submit:hover{color:var(--ink-strong);}
  .opt{display:flex;align-items:center;gap:8px;font-size:.68rem;
    color:var(--muted);letter-spacing:.05em;}
  .opt input{accent-color:var(--amber);cursor:pointer;}
  .opt label{cursor:pointer;}

  /* === Dim 状态 === */
  .dimmed .center-box,.dimmed #input-panel,
  .dimmed #topbar{opacity:.05;pointer-events:none;}

  /* === 飞行粒子 === */
  .flier{position:absolute;width:6px;height:6px;background:var(--node-dot);
    border-radius:50%;z-index:90;pointer-events:none;
    box-shadow:0 0 8px var(--amber-line);}

  /* === 原型人物画头像 === */
  .pa-avatar{width:48px;height:48px;border-radius:50%;overflow:hidden;
    border:1.5px solid var(--amber-line);background:var(--card-bg);
    display:flex;align-items:center;justify-content:center;margin:0 auto;
    transition:all .35s ease;box-shadow:0 4px 12px rgba(0,0,0,.15);}
  .pa-avatar img{width:100%;height:100%;object-fit:cover;
    filter:saturate(.7) brightness(.92);transition:filter .35s ease;}
  .pa-avatar.dim img{filter:saturate(.3) brightness(.6);opacity:.6;}
  .pa-avatar.arrived img{filter:saturate(1) brightness(1);}
  .pa-avatar.arrived{border-color:var(--amber);
    box-shadow:0 0 16px 2px var(--amber-line),0 4px 14px rgba(0,0,0,.2);}

  /* ghost seat 升级：用头像替代圆点 */
  .ghost-seat .ghost-dot{display:none;}
  .ghost-seat .pa-avatar{margin-bottom:10px;}

  /* === 圆桌席位的女书线条 logo === */
  .node .node-logo{width:76px;height:76px;margin:0 auto 8px;
    display:flex;align-items:center;justify-content:center;
    position:relative;border-radius:50%;
    /* 背景柔光：从中心向外，把粒子环挡掉 → logo 浮出来
       （柔光范围比早期更宽：38% 实心 → 88% 渐隐，星尘不再贴线） */
    background:radial-gradient(circle,var(--bg) 38%,
      rgba(var(--bg-rgb,247,245,236),.94) 64%,
      transparent 88%);}
  .node .node-logo img{width:100%;height:100%;object-fit:contain;
    transition:transform .35s cubic-bezier(.16,1,.3,1);
    filter:drop-shadow(0 2px 10px var(--amber-line)) contrast(1.18);
    position:relative;z-index:1;}
  .node:hover .node-logo img{transform:scale(1.14);}
  /* 暗色模式 logo 亮度：由 JS 烘焙（bakeLogoImgs：重着色 + 叠印 + 暖光晕）
     直接写进图片，不再用 CSS filter 提亮——更亮、且无双重叠加 / 合成风险。
     这里只保留柔和的环境阴影。 */
  html[data-theme="dark"] .node .node-logo img,
  html[data-theme="dark"] .ghost-seat .seat-logo img,
  html[data-theme="dark"] .coll-mini-ring .ring-logo img,
  html[data-theme="dark"] #card .persona-hero-art img,
  html[data-theme="dark"] .pchip .pa-mini img,
  html[data-theme="dark"] .peek-logo img{
    filter:drop-shadow(0 2px 12px var(--amber-line));}
  /* 浅色模式下细线 logo：只提对比，不提亮（深线条会发灰） */
  html:not([data-theme="dark"]) .node .node-logo img[data-thin],
  html:not([data-theme="dark"]) .coll-mini-ring .ring-logo img[data-thin],
  html:not([data-theme="dark"]) #card .persona-hero-art img[data-thin],
  html:not([data-theme="dark"]) .peek-logo img[data-thin]{
    filter:drop-shadow(0 2px 10px var(--amber-line)) contrast(1.35);}
  html[data-theme="dark"] .node .node-logo,
  html[data-theme="dark"] .ghost-seat .seat-logo{
    background:radial-gradient(circle,var(--bg) 34%,
      rgba(var(--bg-rgb),.96) 60%,transparent 86%);}
  /* ghost seat 也加同样背景柔光 */
  .ghost-seat .seat-logo{background:radial-gradient(circle,var(--bg) 38%,
    rgba(var(--bg-rgb,247,245,236),.94) 64%,transparent 88%);
    border-radius:50%;padding:4px;width:72px;height:72px;}
  .ghost-seat .seat-logo img{filter:drop-shadow(0 2px 8px var(--amber-line)) contrast(1.1);}
  /* ghost seat 也用女书 logo */
  .ghost-seat .seat-logo{width:60px;height:60px;margin:0 auto 10px;
    opacity:.32;transition:opacity .6s ease,transform .6s ease;}
  .ghost-seat .seat-logo img{width:100%;height:100%;object-fit:contain;}
  .ghost-seat.arrived .seat-logo{opacity:1;
    filter:drop-shadow(0 2px 12px var(--amber-line));
    transform:scale(1.05);}

  /* === 卡片大幅 logo hero（女书线条） === */
  #card .persona-hero-art{position:relative;width:100%;
    height:auto;padding:14px 0 6px;margin:-12px 0 14px;
    display:flex;align-items:center;justify-content:center;
    background:transparent;}
  #card .persona-hero-art img{width:128px;height:128px;
    object-fit:contain;
    filter:drop-shadow(0 6px 18px var(--amber-line));
    animation:cardLogoIn .6s cubic-bezier(.16,1,.3,1) both;}
  #card .persona-hero-art::after{display:none;}
  @keyframes cardLogoIn{
    from { opacity:0; transform:translateY(8px) scale(.94); }
    to   { opacity:1; transform:translateY(0) scale(1); }
  }

  /* === chip 升级：加 mini 头像 + ⓘ 查看简介 === */
  .pchip{display:inline-flex;align-items:center;gap:6px;}
  .pchip .pa-mini{width:20px;height:20px;border-radius:50%;
    overflow:hidden;flex-shrink:0;background:var(--amber-soft);}
  .pchip .pa-mini img{width:100%;height:100%;object-fit:cover;
    filter:saturate(.7);}
  .pchip.selected .pa-mini img{filter:saturate(1);}
  /* ⓘ：独立触摸目标（视觉 22px，热区 ≥40px），与"选中"动作分离不误触 */
  .pchip .pchip-info{position:relative;display:inline-flex;
    align-items:center;justify-content:center;
    width:22px;height:22px;margin:-9px -6px -9px 0;border-radius:50%;
    font-family:var(--serif);font-size:.72rem;font-style:italic;
    color:var(--muted);border:1px solid transparent;
    transition:all .2s;flex-shrink:0;}
  .pchip .pchip-info::after{content:'';position:absolute;
    inset:-10px;border-radius:50%;} /* 扩大热区到 ~42px */
  .pchip:hover .pchip-info,.pchip.selected .pchip-info{color:var(--amber);}
  .pchip .pchip-info:hover{border-color:var(--amber-line);
    background:var(--amber-soft);}

  /* === 原型迷你简介浮层（composer 内点 ⓘ） === */
  #persona-peek{position:fixed;inset:0;z-index:260;
    background:rgba(var(--bg-rgb),.55);backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    display:flex;align-items:center;justify-content:center;padding:24px;
    opacity:0;pointer-events:none;transition:opacity .3s ease;}
  #persona-peek.open{opacity:1;pointer-events:auto;}
  .peek-shell{width:min(360px,100%);background:var(--card-bg);
    border:1px solid var(--amber-line);border-radius:14px;
    padding:30px 26px 22px;text-align:center;
    box-shadow:0 24px 60px rgba(0,0,0,.4);
    transform:translateY(14px) scale(.97);
    transition:transform .35s cubic-bezier(.16,1,.3,1);
    max-height:80vh;overflow-y:auto;}
  #persona-peek.open .peek-shell{transform:translateY(0) scale(1);}
  .peek-logo{width:96px;height:96px;margin:0 auto 14px;
    display:flex;align-items:center;justify-content:center;border-radius:50%;
    background:radial-gradient(circle,var(--bg) 38%,
      rgba(var(--bg-rgb),.94) 64%,transparent 88%);}
  .peek-logo img{width:100%;height:100%;object-fit:contain;
    filter:drop-shadow(0 4px 14px var(--amber-line)) contrast(1.18);}
  .peek-name{font-family:var(--serif);font-size:1.1rem;font-weight:600;
    color:var(--ink-strong);letter-spacing:.04em;margin-bottom:10px;}
  .peek-epigraph{font-family:var(--serif);font-style:italic;
    font-size:.88rem;line-height:1.7;color:var(--amber);
    margin-bottom:12px;}
  .peek-soul{font-family:var(--serif);font-size:.82rem;line-height:1.8;
    color:var(--ink);text-align:left;margin-bottom:18px;}
  .peek-actions{display:flex;gap:10px;justify-content:center;}
  .peek-actions button{font-family:var(--sans);min-height:42px;
    background:transparent;border:1px solid var(--line);color:var(--ink);
    padding:10px 24px;border-radius:999px;cursor:pointer;
    font-size:.78rem;letter-spacing:.1em;transition:all .25s;}
  .peek-actions .peek-close:hover{border-color:var(--line-strong);}
  .peek-actions .peek-invite{border-color:var(--amber);color:var(--amber);
    font-weight:600;}
  .peek-actions .peek-invite:hover{background:var(--amber-soft);}
  .peek-actions .peek-invite:disabled{opacity:.45;cursor:default;}

  /* === 圆桌合集（desktop-friendly + 缩放过渡） === */
  #collection-trigger{font-size:1.05rem;background:transparent;
    border:1px solid var(--line);width:36px;height:36px;border-radius:50%;
    cursor:pointer;color:var(--ink);transition:all .3s;
    display:flex;align-items:center;justify-content:center;}
  #collection-trigger:hover{border-color:var(--amber-line);color:var(--amber);}

  /* 主舞台缩放包装（让"我的桌"能整体缩小成一个圆） */
  #stage-wrap{position:absolute;inset:0;
    transition:transform .65s cubic-bezier(.16,1,.3,1),
               opacity .5s ease;
    transform-origin:50% 46%;}
  #stage-wrap.zoomed-out{transform:scale(.18);opacity:0;pointer-events:none;}

  #collection{position:fixed;inset:0;background:var(--bg);z-index:180;
    opacity:0;pointer-events:none;
    transition:opacity .55s ease .1s;
    overflow-y:auto;padding:0 0 80px;}
  #collection.open{opacity:1;pointer-events:auto;}

  .coll-head{position:sticky;top:0;background:var(--bg);
    border-bottom:1px solid var(--line);z-index:2;
    display:flex;align-items:center;justify-content:space-between;
    padding:22px 24px 18px;}
  .coll-head .title{font-family:var(--serif);font-size:1.2rem;
    color:var(--ink-strong);letter-spacing:.04em;font-weight:600;
    display:flex;align-items:center;gap:12px;}
  .coll-head .coll-mark{font-size:1.6rem;color:var(--amber);
    line-height:1;background:transparent;border:none;cursor:pointer;padding:0;
    animation:markBreath 3.6s ease-in-out infinite;transition:transform .3s;}
  .coll-head .coll-mark:hover{transform:scale(1.15) rotate(45deg);}
  @keyframes markBreath{
    0%,100% { opacity:.7; transform:scale(1); }
    50%     { opacity:1; transform:scale(1.08) rotate(45deg); }
  }
  .coll-head .title small{display:block;font-size:.58rem;
    color:var(--muted);letter-spacing:.25em;text-transform:uppercase;
    font-family:var(--sans);font-weight:400;font-style:italic;margin-top:4px;}
  .coll-back{font-size:.7rem;letter-spacing:.12em;
    background:transparent;border:1px solid var(--line);color:var(--ink);
    padding:9px 16px;border-radius:999px;cursor:pointer;
    transition:all .25s;font-family:var(--sans);}
  .coll-back:hover{border-color:var(--line-strong);color:var(--ink-strong);}
  /* === 合集工具栏：#话题 pills（横向滑动）+ 最新/热度排序 === */
  .coll-toolbar{display:flex;align-items:center;gap:10px;
    padding:14px 18px 4px;max-width:1100px;margin:0 auto;}
  #collectionFilters{display:flex;flex-wrap:nowrap;gap:8px;flex:1;min-width:0;
    overflow-x:auto;-webkit-overflow-scrolling:touch;
    scrollbar-width:none;padding:4px 2px;}
  #collectionFilters::-webkit-scrollbar{display:none;}
  .cfilter{font-family:var(--serif);font-size:.78rem;letter-spacing:.03em;
    background:transparent;border:1px solid var(--line);color:var(--muted);
    padding:8px 15px;border-radius:999px;cursor:pointer;transition:all .25s;
    white-space:nowrap;flex-shrink:0;}
  .cfilter:hover{border-color:var(--line-strong);color:var(--ink);}
  .cfilter.active{background:var(--amber-soft);border-color:var(--amber-line);
    color:var(--amber);font-weight:600;}
  #collectionSort{display:flex;gap:0;flex-shrink:0;
    border:1px solid var(--line);border-radius:999px;overflow:hidden;}
  .csort{font-family:var(--sans);font-size:.66rem;letter-spacing:.1em;
    background:transparent;border:none;color:var(--muted);
    padding:8px 14px;cursor:pointer;transition:all .25s;white-space:nowrap;}
  .csort:hover{color:var(--ink);}
  .csort.active{background:var(--amber-soft);color:var(--amber);font-weight:600;}
  .coll-cat{display:inline-block;font-size:.55rem;letter-spacing:.18em;
    text-transform:uppercase;color:var(--green);font-style:italic;
    margin-top:4px;}
  /* 卡片右上角：发布日期（相对时间） */
  .coll-date{position:absolute;top:10px;right:12px;
    font-size:.55rem;letter-spacing:.12em;color:var(--muted);
    font-style:italic;font-family:var(--sans);}
  /* 加载更多（超过一页时出现） */
  .coll-more{text-align:center;padding:8px 0 30px;}
  .coll-more button{background:transparent;border:1px dashed var(--amber-line);
    color:var(--amber);padding:11px 26px;border-radius:999px;cursor:pointer;
    font-family:var(--serif);font-size:.8rem;letter-spacing:.06em;
    transition:all .25s;}
  .coll-more button:hover{background:var(--amber-soft);border-style:solid;}
  .coll-more button:disabled{opacity:.5;cursor:default;}

  .coll-grid{display:grid;
    grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
    gap:18px;max-width:1100px;margin:30px auto;padding:0 22px;}
  /* 合集卡片背后是纯色页面背景，backdrop-filter 没有视觉收益却让
     手机滚动掉帧——去掉，用实色卡底 */
  .coll-cell{background:var(--card-bg);border:1px solid var(--line);
    border-radius:16px;padding:24px 22px;cursor:pointer;
    transition:all .35s cubic-bezier(.16,1,.3,1);
    display:flex;flex-direction:column;align-items:center;
    position:relative;overflow:hidden;text-align:center;min-height:240px;}
  .coll-cell:hover{border-color:var(--amber-line);
    transform:translateY(-3px);box-shadow:0 16px 36px rgba(0,0,0,.18);}
  .coll-cell.is-mine{border-color:var(--amber);
    box-shadow:0 0 0 1px var(--amber-line),0 8px 22px rgba(0,0,0,.12);}
  /* "你的桌"角标移到左上（右上让位给日期） */
  .coll-cell.is-mine::before{content:'你的桌';position:absolute;
    top:10px;left:12px;font-size:.55rem;letter-spacing:.2em;
    color:var(--amber);font-style:italic;text-transform:uppercase;
    font-weight:600;}
  .coll-cell.coll-cta{border-style:dashed;border-color:var(--amber-line);
    background:var(--amber-soft);}
  .coll-cell.coll-cta:hover{border-color:var(--amber);
    background:rgba(176,125,46,.18);box-shadow:0 16px 36px rgba(176,125,46,.18);}
  .coll-cell.coll-cta .coll-mini-ring{border-style:solid;border-color:var(--amber-line);}
  .coll-cell.coll-cta:hover .coll-mini-ring{border-color:var(--amber);}
  .coll-cell.coll-cta:hover .coll-vibe,
  .coll-cell.coll-cta:hover .coll-q{color:var(--amber);}
  .coll-mini-ring{position:relative;width:86px;height:86px;
    margin:8px auto 18px;border-radius:50%;
    border:1px dashed var(--amber-line);
    display:flex;align-items:center;justify-content:center;}
  .coll-mini-ring{transition:transform .45s cubic-bezier(.16,1,.3,1);}
  .coll-mini-ring.spun{transform:rotate(30deg);}
  .coll-mini-ring.spun .ring-logo img{transform:rotate(-30deg);} /* logo 本身回正 */
  .coll-mini-ring .ring-logo{position:absolute;width:20px;height:20px;
    transform:translate(-50%,-50%);pointer-events:none;}
  .coll-mini-ring .ring-logo img{transition:transform .45s cubic-bezier(.16,1,.3,1);}
  .coll-mini-ring .ring-logo img{width:100%;height:100%;object-fit:contain;
    filter:drop-shadow(0 1px 4px var(--amber-line));opacity:.92;}
  .coll-mini-ring .ring-empty{position:absolute;width:5px;height:5px;
    border-radius:50%;background:transparent;
    border:1px solid var(--amber-line);
    transform:translate(-50%,-50%);opacity:.5;}
  .coll-mini-ring .center-spark{width:3px;height:3px;border-radius:50%;
    background:var(--amber);box-shadow:0 0 6px var(--amber);}
  .coll-vibe{font-size:.55rem;letter-spacing:.3em;text-transform:uppercase;
    color:var(--amber);font-style:italic;font-weight:600;margin-bottom:8px;}
  .coll-q{font-family:var(--serif);font-size:.88rem;line-height:1.55;
    color:var(--ink-strong);font-weight:500;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;
    overflow:hidden;margin-bottom:10px;}
  .coll-meta{font-size:.6rem;color:var(--muted);
    letter-spacing:.06em;margin-top:auto;font-family:var(--sans);}

  /* === 新议题仪式 composer === */
  #composer-overlay{position:fixed;inset:0;z-index:220;
    background:rgba(15,16,14,.78);backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    opacity:0;pointer-events:none;
    transition:opacity .4s ease;
    display:flex;align-items:center;justify-content:center;padding:20px;}
  #composer-overlay.open{opacity:1;pointer-events:auto;}
  html[data-theme="light"] #composer-overlay,
  body:not([data-theme]) #composer-overlay{background:rgba(247,245,236,.92);}

  .composer-shell{width:min(580px,100%);background:var(--card-bg);
    border:1px solid var(--amber-line);border-radius:14px;
    padding:36px 36px 28px;text-align:center;
    transform:translateY(20px) scale(.96);
    transition:transform .5s cubic-bezier(.16,1,.3,1);
    max-height:90vh;overflow-y:auto;
    box-shadow:0 30px 70px rgba(0,0,0,.5);}
  #composer-overlay.open .composer-shell{transform:translateY(0) scale(1);}

  .composer-logo{color:var(--amber);margin:0 auto 18px;
    display:inline-flex;animation:logoBreath 3s ease-in-out infinite;}
  @keyframes logoBreath{
    0%,100% { transform: scale(1); opacity:.85; }
    50%     { transform: scale(1.06); opacity:1; }
  }
  .composer-title{font-family:var(--serif);font-size:1.45rem;
    color:var(--ink-strong);letter-spacing:.04em;font-weight:600;
    margin-bottom:6px;}
  .composer-sub{font-size:.62rem;letter-spacing:.32em;color:var(--amber);
    text-transform:uppercase;font-style:italic;margin-bottom:24px;}
  #composer-input{width:100%;background:transparent;
    border:none;border-bottom:1px solid var(--line-strong);
    color:var(--ink-strong);font-family:var(--serif);font-size:1.02rem;
    line-height:1.75;padding:8px 4px 16px;
    outline:none;resize:none;min-height:90px;
    text-align:left;letter-spacing:.02em;}
  #composer-input::placeholder{color:var(--muted);font-style:italic;}
  #composer-input:focus{border-bottom-color:var(--amber);}

  .composer-personas-label{font-size:.6rem;letter-spacing:.22em;
    color:var(--muted);text-transform:uppercase;
    margin:22px 0 12px;text-align:left;font-family:var(--sans);}
  /* chip 区：不在内部 scroll（手机上容易和外层冲突），让外层 shell 滚 */
  #composer-chips{display:flex;flex-wrap:wrap;gap:6px;padding:4px 0;
    border-radius:6px;}
  .composer-shell{
    -webkit-overflow-scrolling:touch;
    overscroll-behavior:contain;
  }
  .composer-private{display:flex;align-items:center;gap:8px;margin-top:16px;
    font-size:.7rem;color:var(--muted);cursor:pointer;letter-spacing:.03em;
    text-align:left;}
  .composer-private input{accent-color:var(--amber);cursor:pointer;}
  .composer-actions{display:flex;gap:10px;margin-top:20px;
    justify-content:flex-end;}
  .composer-actions button{font-family:var(--sans);
    background:transparent;border:1px solid var(--line);
    color:var(--ink);padding:11px 22px;border-radius:999px;
    cursor:pointer;font-size:.78rem;letter-spacing:.1em;
    transition:all .25s;}
  .composer-actions .cancel:hover{border-color:var(--line-strong);}
  .composer-actions .submit{border-color:var(--amber);color:var(--amber);
    font-weight:600;}
  .composer-actions .submit:hover{background:var(--amber-soft);}

  /* 主输入区域的提议按钮（替代原来的勾选框） */
  .new-topic-btn{background:transparent;border:1px dashed var(--amber-line);
    color:var(--amber);padding:8px 14px;border-radius:999px;
    cursor:pointer;font-family:var(--serif);font-size:.78rem;
    letter-spacing:.05em;transition:all .25s;
    display:inline-flex;align-items:center;gap:6px;}
  .new-topic-btn:hover{background:var(--amber-soft);border-style:solid;}

  /* === 女书风格 logo 印记 === */
  .nushu-mark{display:inline-flex;align-items:center;justify-content:center;
    color:var(--amber);transition:color .3s;}
  .nushu-mark svg{display:block;}
  .brand .nushu-mark{margin-right:10px;vertical-align:middle;}
  #topbar .nushu-mark{position:absolute;top:18px;left:50%;
    transform:translateX(-50%);z-index:5;opacity:.5;
    transition:opacity .3s;}
  #topbar .nushu-mark:hover{opacity:.9;}

  /* === 等待仪式：4 个空座位 === */
  .ghost-seat{position:absolute;z-index:4;transform:translate(-50%,-50%);
    width:148px;text-align:center;pointer-events:none;
    opacity:0;transition:opacity .8s ease;}
  .ghost-seat.visible{opacity:1;}
  .ghost-seat .ghost-dot{width:9px;height:9px;border-radius:50%;
    margin:0 auto 8px;border:1px dashed var(--amber-line);
    background:transparent;animation:ghostBreath 2s ease-in-out infinite;}
  .ghost-seat.arrived .ghost-dot{background:var(--node-dot);
    border-style:solid;border-color:var(--node-dot);animation:none;
    box-shadow:0 0 10px 1px var(--amber-line);}
  .ghost-seat .ghost-nm{font-family:var(--serif);font-size:.75rem;
    color:var(--muted);letter-spacing:.04em;font-style:italic;
    transition:color .4s;}
  .ghost-seat.arrived .ghost-nm{color:var(--ink-strong);font-style:normal;}
  .ghost-seat .ghost-status{font-size:.55rem;color:var(--muted);
    letter-spacing:.22em;text-transform:uppercase;margin-top:4px;
    font-family:var(--sans);opacity:.7;}
  .ghost-seat.arrived .ghost-status{color:var(--amber);opacity:1;}
  @keyframes ghostBreath{
    0%, 100% { opacity:.4; transform:scale(1); }
    50%      { opacity:.8; transform:scale(1.2); }
  }

  /* === 21 原型 chip 选择器 === */
  #personas-picker{display:none;flex-wrap:wrap;gap:6px;
    padding:10px 0 6px;max-height:120px;overflow-y:auto;
    border-top:1px dashed var(--line);margin-top:6px;}
  #personas-picker.show{display:flex;}
  .pchip{font-family:var(--serif);font-size:.7rem;
    background:transparent;border:1px solid var(--line);
    color:var(--muted);padding:5px 10px;border-radius:999px;
    cursor:pointer;transition:all .2s;letter-spacing:.02em;
    user-select:none;}
  .pchip:hover{border-color:var(--line-strong);color:var(--ink);}
  .pchip.selected{background:var(--amber-soft);
    border-color:var(--amber-line);color:var(--amber);font-weight:600;}
  .pchip.hidden-arc{font-style:italic;opacity:.75;}
  .pchip.hidden-arc::before{content:'◆';margin-right:4px;font-size:.6em;}

  /* === 重设计回应卡片 === */
  #card .persona-header{margin-bottom:14px;}
  #card .persona-code{font-size:.55rem;letter-spacing:.4em;
    color:var(--amber);text-transform:uppercase;font-weight:600;
    margin-bottom:4px;}
  #card .persona-name{font-family:var(--serif);font-size:1.4rem;
    color:var(--ink-strong);font-weight:600;line-height:1.3;
    letter-spacing:.02em;}
  #card .persona-real{display:block;font-size:.78rem;color:var(--muted);
    font-weight:400;margin-top:3px;font-style:italic;}
  #card .persona-epigraph{margin:18px 0 22px;padding:14px 18px;
    background:var(--amber-soft);border-left:2px solid var(--amber-line);
    border-radius:0 4px 4px 0;font-family:var(--serif);font-style:italic;
    font-size:.95rem;line-height:1.65;color:var(--ink-strong);
    position:relative;}
  #card .persona-epigraph::before{content:'"';position:absolute;
    top:-6px;left:8px;font-size:2.2rem;color:var(--amber-line);
    font-family:var(--serif);line-height:1;}

  #card .response-sections{display:flex;flex-direction:column;gap:18px;}
  #card .resp-section{padding-left:14px;border-left:3px solid;
    border-radius:0 2px 2px 0;}
  #card .resp-section.think{border-color:var(--green);}
  #card .resp-section.say{border-color:var(--amber);}
  #card .resp-section.do{border-color:var(--human-dot);}
  #card .resp-label{font-size:.6rem;letter-spacing:.22em;
    text-transform:uppercase;font-weight:600;margin-bottom:6px;}
  #card .resp-section.think .resp-label{color:var(--green);}
  #card .resp-section.say .resp-label{color:var(--amber);}
  #card .resp-section.do .resp-label{color:var(--human-dot);}
  /* 正文：左对齐（CJK 两端对齐会拉出难看的字距）、行距放宽、颜色软一档 */
  #card .resp-text{font-family:var(--serif);font-size:.92rem;line-height:2;
    color:var(--ink);text-align:left;letter-spacing:.015em;
    font-weight:400;opacity:.94;}

  /* === 卡片内追问（和她往深处聊几句） === */
  #card .followup{margin-top:22px;padding-top:16px;
    border-top:1px dashed var(--line);}
  #card .fu-item{margin-bottom:14px;}
  #card .fu-q{font-family:var(--sans);font-size:.76rem;color:var(--amber);
    letter-spacing:.04em;margin-bottom:6px;}
  #card .fu-q::before{content:'你 · ';color:var(--muted);}
  #card .fu-a{font-family:var(--serif);font-size:.9rem;line-height:1.95;
    color:var(--ink);padding-left:12px;
    border-left:2px solid var(--amber-line);letter-spacing:.015em;}
  #card .fu-a.pending{color:var(--muted);font-style:italic;}
  #card .fu-bar{display:flex;gap:8px;align-items:center;
    border-bottom:1px solid var(--line-strong);padding:2px 0;}
  #card .fu-bar input{flex:1;min-width:0;background:transparent;border:none;
    outline:none;color:var(--ink-strong);font-size:.85rem;padding:9px 2px;
    font-family:var(--sans);letter-spacing:.02em;}
  #card .fu-bar input::placeholder{color:var(--muted);font-style:italic;}
  #card .fu-bar button{background:transparent;border:none;color:var(--amber);
    cursor:pointer;font-size:.7rem;letter-spacing:.16em;padding:8px 10px;
    font-family:var(--sans);font-weight:600;}
  #card .fu-bar button:disabled{opacity:.4;cursor:default;}
  #card .fu-note{font-size:.6rem;color:var(--muted);margin-top:8px;
    letter-spacing:.06em;font-style:italic;}

  #card .real-person-toggle{margin-top:24px;padding-top:14px;
    border-top:1px dashed var(--line);font-size:.7rem;
    color:var(--muted);cursor:pointer;letter-spacing:.04em;
    transition:color .25s;display:flex;align-items:center;gap:8px;}
  #card .real-person-toggle:hover{color:var(--ink);}
  #card .real-person-toggle .arrow{transition:transform .3s;}
  #card .real-person-toggle.open .arrow{transform:rotate(90deg);}
  #card .real-person-info{display:none;margin-top:10px;padding:12px 14px;
    background:var(--card-bg);border:1px solid var(--line);border-radius:4px;
    font-family:var(--serif);font-size:.82rem;line-height:1.75;
    color:var(--ink);}
  #card .real-person-info.open{display:block;}
  #card .real-person-info strong{color:var(--ink-strong);}

  #card .src{font-size:.62rem;color:var(--muted);
    font-style:italic;margin-top:14px;line-height:1.6;
    padding-top:10px;border-top:1px solid var(--line);}

  /* === 下拉提示带（从顶部出现） === */
  #pull-hint{position:fixed;top:0;left:50%;transform:translate(-50%,-100%);
    z-index:8;font-size:.62rem;letter-spacing:.35em;text-transform:uppercase;
    color:var(--amber);font-style:italic;
    padding:14px 22px;background:var(--card-bg);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border:1px solid var(--amber-line);border-top:none;
    border-radius:0 0 12px 12px;white-space:nowrap;
    opacity:0;transition:opacity .25s;pointer-events:none;}
  #pull-hint.show{opacity:1;}
  #pull-hint .arrow{display:inline-block;margin-left:8px;
    transition:transform .3s cubic-bezier(.16,1,.3,1);}
  #pull-hint.armed .arrow{transform:rotate(180deg);}
  #pull-hint.armed{color:var(--green);border-color:var(--green);}

  /* === Discovery 浏览其他桌 === */
  #discovery{position:fixed;inset:0;background:var(--bg);z-index:200;
    transform:translateY(100%);
    transition:transform .55s cubic-bezier(.16,1,.3,1);
    overflow-y:auto;overflow-x:hidden;padding-bottom:60px;}
  #discovery.open{transform:translateY(0);}
  .discovery-head{position:sticky;top:0;background:var(--bg);
    border-bottom:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;
    padding:22px 24px 18px;z-index:2;}
  .discovery-head .title{font-family:var(--serif);font-size:1.1rem;
    color:var(--ink-strong);letter-spacing:.04em;font-weight:600;}
  .discovery-head .title small{display:block;font-size:.58rem;
    color:var(--muted);letter-spacing:.22em;text-transform:uppercase;
    margin-top:3px;font-family:var(--sans);font-weight:400;font-style:italic;}
  .discovery-head .back-btn{font-size:.7rem;letter-spacing:.12em;
    background:transparent;border:1px solid var(--line);
    color:var(--ink);padding:8px 14px;border-radius:999px;cursor:pointer;
    transition:all .25s;font-family:var(--sans);}
  .discovery-head .back-btn:hover{border-color:var(--line-strong);color:var(--ink-strong);}

  .discovery-feed{display:grid;gap:14px;max-width:680px;
    margin:0 auto;padding:24px 18px;}
  .table-card{background:var(--card-bg);border:1px solid var(--line);
    border-radius:8px;padding:22px 20px 18px;cursor:pointer;
    transition:all .3s cubic-bezier(.16,1,.3,1);}
  .table-card:hover{border-color:var(--amber-line);
    transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.18);}
  .table-card .vibe{font-size:.58rem;letter-spacing:.32em;text-transform:uppercase;
    color:var(--amber);font-style:italic;font-weight:600;margin-bottom:10px;}
  .table-card .q{font-family:var(--serif);font-size:.96rem;
    line-height:1.65;color:var(--ink-strong);font-weight:500;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;
    overflow:hidden;}
  .table-card .row{display:flex;align-items:center;
    justify-content:space-between;margin-top:14px;}
  .table-card .dots{display:flex;gap:5px;}
  .table-card .dots span{width:6px;height:6px;border-radius:50%;
    background:var(--node-dot);box-shadow:0 0 5px var(--amber-line);}
  .table-card .dots span.h{background:var(--human-dot);}
  .table-card .meta{font-size:.62rem;color:var(--muted);
    letter-spacing:.06em;}

  /* 浏览到底部的"提出你的圆桌" CTA */
  .discovery-cta{max-width:680px;margin:30px auto 0;padding:0 18px;
    text-align:center;}
  .discovery-cta button{background:transparent;border:1px dashed var(--amber-line);
    color:var(--amber);padding:14px 26px;border-radius:999px;cursor:pointer;
    font-family:var(--serif);font-size:.85rem;letter-spacing:.05em;
    transition:all .25s;}
  .discovery-cta button:hover{background:var(--amber-soft);
    border-style:solid;}

  /* === 响应式 === */
  @media (max-width: 640px){
    /* 中心问题：宽度由 JS 按内环半径动态钳制（resize 里），
       这里给一个安全兜底，保证与两侧节点零重叠 */
    .center-box{width:39%;top:46%;padding:0;}
    .center-box h1{font-size:.84rem;line-height:1.5;-webkit-line-clamp:7;
      letter-spacing:.01em;text-align:center;}
    .kick-float{font-size:.5rem;letter-spacing:.28em;}
    /* 节点：只显代号 + 一句精简引言（≤12 字，render 时截断） */
    .node{width:72px;}
    .node .nm{font-size:.62rem;letter-spacing:0;font-weight:600;}
    .node .nm .nm-cn{display:none;}  /* 手机只显示代号，不显示中文内称 */
    .node .pv{font-size:.54rem;-webkit-line-clamp:2;
      letter-spacing:0;line-height:1.35;margin-top:3px;
      opacity:.8;}
    .node .node-logo{width:48px;height:48px;}
    .ghost-seat{width:88px;}
    .ghost-seat .ghost-nm{font-size:.6rem;}
    .ghost-seat .ghost-status{font-size:.48rem;}
    .ghost-seat .seat-logo{width:44px;height:44px;}
    #input-panel{width:94%;bottom:18px;}
    #sidebar{width:86%;}
    /* 顶栏：缩间距、徽标只留图标，避免溢出 */
    #topbar{padding:0 12px;height:56px;}
    #topbar #backToColl{font-size:.66rem;padding:7px 12px;letter-spacing:.08em;}
    #userBadge{max-width:74px;font-size:.6rem;}
    .tctrl{font-size:.6rem;padding:5px 9px;}
    /* 合集：两列小卡，更像"墙" */
    .coll-grid{grid-template-columns:1fr 1fr;gap:10px;padding:0 12px;margin:16px auto;}
    .coll-cell{min-height:auto;padding:16px 12px;border-radius:14px;}
    .coll-cell .coll-mini-ring{width:64px;height:64px;margin:4px auto 12px;}
    .coll-q{font-size:.82rem;-webkit-line-clamp:3;}
    .coll-vibe{font-size:.5rem;letter-spacing:.2em;}
    .coll-meta{font-size:.56rem;}
    .coll-head{padding:16px 14px 12px;}
    .coll-head .title{font-size:.95rem;gap:8px;}
    .coll-head .coll-mark{font-size:1.2rem;}
    .coll-back{font-size:.64rem;padding:7px 12px;}
    /* 工具栏：pills 横滑 + 排序换行到下一行右侧 */
    .coll-toolbar{flex-wrap:wrap;padding:10px 12px 2px;gap:8px;}
    #collectionFilters{flex-basis:100%;}
    #collectionSort{margin-left:auto;}
    .cfilter{font-size:.72rem;padding:7px 13px;}
    .csort{font-size:.6rem;padding:7px 12px;}
    .coll-date{font-size:.5rem;top:8px;right:10px;}
    .peek-shell{padding:24px 20px 18px;}
    /* 卡片：占满更多宽度，内边距收紧 */
    #card{width:92%;padding:30px 22px;}
    #card .persona-hero-art img{width:88px;height:88px;}
    #card .persona-name{font-size:1.2rem;}
    #card .resp-text{font-size:.9rem;}
    /* composer 浮层 */
    .composer-shell{padding:26px 20px 22px;max-height:88vh;}
    .composer-title{font-size:1.2rem;}
  }
  /* 极窄屏：合集回到单列，避免太挤 */
  @media (max-width: 380px){
    .coll-grid{grid-template-columns:1fr;}
    #userBadge{display:none;}
  }