.lic{display:inline-block;width:1em;height:1em;flex:0 0 auto;vertical-align:-.14em;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  :root{
    --green:#00704a; --green-2:#0e5c3f; --green-soft:#e6f0ea;
    --gold:#b98a3f; --ink:#1e2a24; --muted:#7a867f;
    --paper:#f4f2eb; --card:#fffdf8; --line:#e2ddcf;
    --shadow:0 1px 2px rgba(20,40,30,.05),0 10px 26px -18px rgba(20,40,30,.25);
    --serif:Georgia,"Times New Roman","Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
    --mono:"SFMono-Regular",Consolas,"Liberation Mono","Courier New",monospace;
    --sans:"Segoe UI","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{-webkit-text-size-adjust:100%}
  body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.6;font-size:14px;
    background-image:radial-gradient(circle at 12% -8%,rgba(0,112,74,.06),transparent 42%),radial-gradient(circle at 90% 8%,rgba(185,138,63,.07),transparent 40%)}
  button{font-family:inherit;cursor:pointer;border:0;background:none}
  input,select,textarea{font-family:inherit;font-size:14px;color:var(--ink)}
  .topbar{position:sticky;top:0;z-index:50;max-width:100%;background:rgba(20,42,33,.96);color:#eef4ef;backdrop-filter:blur(8px);box-shadow:0 1px 0 rgba(255,255,255,.08),0 12px 28px -22px rgba(0,0,0,.6)}
  .topbar .inner{margin:0 auto;display:flex;align-items:center;gap:14px;padding:10px 18px;position:relative}
  .topbar .logo{width:34px;height:34px;border-radius:50%;flex:0 0 34px;background:linear-gradient(145deg,#14a06d,#005e3e);display:grid;place-items:center;color:#fff;font-size:16px;overflow:hidden;box-shadow:inset 0 0 0 2px rgba(255,255,255,.18)}
  .topbar .logo img{width:100%;height:100%;object-fit:cover;display:block}
  /* 顶栏居中页面切换 */
  .tbsw{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;gap:4px;background:rgba(255,255,255,.07);padding:4px;border-radius:12px}
  /* 激活背景改为「滑块」，点击时左右丝滑滑动到目标页签 */
  .tbsl{position:absolute;left:4px;top:4px;bottom:4px;width:0;background:linear-gradient(135deg,#0d9465,#006a45);border-radius:9px;z-index:0;transition:left .32s cubic-bezier(.32,.72,.3,1),width .32s cubic-bezier(.32,.72,.3,1);box-shadow:0 6px 14px -8px rgba(0,0,0,.6)}
  .tbsw a{display:flex;align-items:center;gap:7px;color:#bcd8cc;padding:6px 15px;border-radius:9px;font-size:13px;font-weight:600;text-decoration:none;white-space:nowrap;transition:color .18s;position:relative;z-index:1}
  .tbsw a:hover{color:#fff}
  .tbsw a.on{background:transparent;color:#fff;box-shadow:none}
  .topbar h1{font-family:var(--serif);font-size:17px;letter-spacing:.5px;line-height:1.3}
  .topbar .sub{font-size:11px;opacity:.65;letter-spacing:1.6px;text-transform:uppercase;margin-top:-1px;line-height:1.3}
  /* 顶栏右侧设置入口（与账单页 bill.css 一致的金色胶囊） */
  .tbright{margin-left:auto;position:relative}
  .btnset{display:inline-flex;align-items:center;gap:6px;color:#ffe7b0;font-size:13px;font-weight:600;border:1px solid rgba(233,190,120,.5);padding:6px 14px;border-radius:99px;transition:.18s;text-decoration:none;background:none;font-family:inherit;cursor:pointer}
  .btnset:hover{background:rgba(233,190,120,.16)}
  /* 「有功能更新」时才显示：用来刷新到最新版本 */
  .btnupd{display:inline-flex;align-items:center;gap:6px;color:#fff;font-size:13px;font-weight:700;font-family:inherit;cursor:pointer;
    border:1px solid rgba(255,255,255,.3);background:linear-gradient(135deg,#e2761b,#c9541a);padding:6px 13px;border-radius:99px;margin-right:8px;
    transition:.18s;animation:updPulse 1.9s ease-in-out infinite}
  .btnupd[hidden]{display:none}
  .btnupd .lic{width:14px;height:14px}
  .btnupd:hover{filter:brightness(1.08)}
  .btnupd.busy{opacity:.7;cursor:progress;animation:none}
  @keyframes updPulse{0%,100%{box-shadow:0 0 0 0 rgba(226,118,27,.6)}50%{box-shadow:0 0 0 7px rgba(226,118,27,0)}}
  @media(max-width:900px){.btnupd{padding:5px 10px;font-size:12px;margin-right:6px}}
  /* 弹窗（变量设置）：遮罩从导航栏下方开始，面板从底部向上滑入，顶部只到导航栏位置 */
  .mask{position:fixed;left:0;right:0;bottom:0;top:var(--tbh,0px);background:rgba(15,28,22,.45);backdrop-filter:blur(3px);z-index:100;display:none;align-items:flex-end;justify-content:center;padding:0}
  .mask.show{display:flex}
  /* 居中弹窗（话术编辑 / 变量设置）：覆盖底部滑入，改为四角居中 */
  .mask.centered{align-items:center;padding:20px}
  .mask.centered .modal{border-radius:18px;animation:centerIn .25s cubic-bezier(.32,.72,.3,1) both}
  @keyframes centerIn{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:none}}
  .modal{background:var(--card);border-radius:18px 18px 0 0;max-width:860px;max-height:100%;width:100%;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 -18px 50px -18px rgba(0,0,0,.45);animation:sheetUp .38s cubic-bezier(.32,.72,.3,1) both}
  @keyframes sheetUp{from{transform:translateY(100%)}to{transform:none}}
  .modal>header{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
  .modal>header h3{font-size:15px;display:flex;align-items:center;gap:8px}
  .modal .x{margin-left:auto;color:var(--muted);padding:6px;border-radius:8px;display:grid;place-items:center}
  .modal .x:hover{background:var(--green-soft);color:var(--green-2)}
  .mbody{padding:16px 18px;overflow-y:auto}
  .mbar{padding:12px 18px;display:flex;justify-content:flex-end;border-top:1px solid var(--line)}
  /* 设置中心：顶栏下方白底面板，底部向上滑入（顶部只到导航栏位置）；左侧栏切换（Shopify 后台风格）——与账单页 bill.css 完全一致 */
  .setwrap{position:fixed;left:0;right:0;bottom:0;top:var(--tbh,0px);background:#fff;z-index:100;display:flex;transform:translateY(100%);visibility:hidden;transition:transform .38s cubic-bezier(.32,.72,.3,1),visibility 0s .38s}
  .setwrap.show{transform:none;visibility:visible;transition:transform .38s cubic-bezier(.32,.72,.3,1)}
  .snav{flex:0 0 232px;display:flex;flex-direction:column;gap:2px;background:#f6f6f7;border-right:1px solid #e3e3e3;padding:16px 12px 14px}
  .snav-t{display:flex;align-items:center;gap:8px;font-weight:800;font-size:15px;color:#1a1a1a;padding:4px 10px 14px;letter-spacing:.5px}
  .snav-t .lic{color:var(--green);width:17px;height:17px}
  .snav-list{display:flex;flex-direction:column;gap:2px}
  .snav-list button{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:600;color:#4a4a4a;padding:9px 12px;border-radius:8px;text-align:left;transition:.15s}
  .snav-list button .lic{width:16px;height:16px;color:#8a8a8a;transition:.15s}
  .snav-list button:hover{background:#ececec}
  .snav-list button.on{background:#fff;color:var(--green-2);box-shadow:0 1px 2px rgba(0,0,0,.12),0 0 0 1px rgba(0,0,0,.05)}
  .snav-list button.on .lic{color:var(--green)}
  .snav-back{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:#616161;padding:9px 12px;border-radius:8px}
  .snav-back .lic{width:15px;height:15px}
  .snav-back:hover{background:#ececec;color:#1a1a1a}
  .smain{flex:1;min-width:0;min-height:0;display:flex;flex-direction:column}
  .shead{display:flex;align-items:center;gap:10px;padding:14px 26px;border-bottom:1px solid var(--line);background:#fff;flex:0 0 auto}
  .shead h2{font-size:16.5px;font-weight:800;color:#1a1a1a}
  .shead .x{margin-left:auto;width:30px;height:30px;color:#616161;padding:0;border-radius:8px;display:grid;place-items:center;border:1px solid transparent}
  .shead .sback{display:none;color:var(--green-2);border-color:var(--line)}
  .shead .x .lic{width:15px;height:15px}
  .shead .x:hover{background:#f1f1f1;color:#1a1a1a}
  .sbody{flex:1;min-height:0;overflow:auto;padding:22px 26px 30px}
  .sbody>section{display:none;max-width:920px;margin:0 auto}
  .sbody>section.on{display:block;animation:secin .25s ease both}
  @keyframes secin{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
  .sact{display:flex;justify-content:flex-end;gap:10px;margin-top:14px}
  .btn.armed{background:#a2372a;border-color:#a2372a;color:#fff}
  .grp-title,section.panel{scroll-margin-top:72px}
  /* AI 智能应答：聊天式（消息区在上滚动，输入条贴底）；PC 屏幕高度侧栏，移动端全屏弹窗 */
  .navside{position:sticky;top:76px;align-self:start;height:calc(100vh - 92px);display:flex;flex-direction:column}
  .navside>section.panel{border-radius:16px;box-shadow:var(--shadow);overflow:hidden;flex:1;min-height:0;display:flex;flex-direction:column}
  .navside>section.panel>header{flex:0 0 auto}
  .navside .hint{display:block}
  .navside .x{display:none}
  .navside .cl{margin-left:auto;display:inline-flex;align-items:center;font-size:12px;color:var(--muted);padding:6px 10px;border-radius:8px;transition:.15s}
  .navside .cl:hover{background:var(--green-soft);color:var(--green-2)}
  .navside .grab{display:none}
  /* 消息区 */
  .ai-chat{flex:1;min-height:0;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:linear-gradient(180deg,#fafcf9,#f5f8f3)}
  .ai-hello{font-size:12px;color:var(--muted);line-height:1.6;text-align:center;padding:14px 12px;border:1px dashed var(--line);border-radius:12px;background:#fff}
  .msg{display:flex;flex-direction:column;max-width:94%;animation:in .25s ease both}
  .msg.me{align-self:flex-end;align-items:flex-end}
  .msg.ai{align-self:flex-start;align-items:flex-start;max-width:100%}
  .msg .tm{font-size:10px;color:var(--muted);margin-top:3px;padding:0 2px}
  .ai-day{align-self:center;font-size:10.5px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:99px;padding:3px 12px}
  .msg.me .bub{background:linear-gradient(180deg,#079a63,#005e3e);color:#fff;border-radius:14px 14px 4px 14px;padding:9px 12px;font-size:13px;line-height:1.55;white-space:pre-wrap;word-break:break-word;box-shadow:0 6px 14px -8px rgba(0,80,50,.5)}
  .ai-chat .ai-ans{margin-top:0;max-width:100%}
  /* 底部输入条 */
  .ai-bar{flex:0 0 auto;padding:10px 12px;border-top:1px solid var(--line);background:#fff}
  .ai-inp{position:relative}
  .ai-inp textarea{display:block;width:100%;min-height:64px;max-height:160px;resize:none;border:1px solid var(--line);border-radius:14px;padding:12px 54px 12px 14px;background:#fbfdfc;outline:none;font-size:13.5px;line-height:1.55;transition:.18s}
  .ai-inp textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(0,112,74,.1)}
  /* 圆形发送钮：悬浮在输入框右下角，不占消息区空间 */
  .ai-go{position:absolute;right:9px;bottom:9px;width:36px;height:36px;border:none;border-radius:50%;background:linear-gradient(180deg,#079a63,#005e3e);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 3px 8px -2px rgba(0,80,50,.5);transition:.18s}
  .ai-go svg{width:16px;height:16px}
  .ai-go:hover{filter:brightness(1.08)}
  .ai-go:disabled{opacity:.55;cursor:default;filter:none}
  /* 移动端 AI 应答弹窗：FAB + 遮罩 */
  .navfab{display:none}
  .navmask{display:none}
  .wrap{margin:0 auto;padding:20px 18px 60px;display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px;align-items:start}
  .panel{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
  .panel>header{padding:13px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
  .panel>header .t{font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px}
  .panel>header .t::before{content:"";width:4px;height:14px;border-radius:3px;background:var(--green);display:inline-block}
  .panel>header .hint{margin-left:auto;font-size:11.5px;color:var(--muted)}
  .panel .body{padding:16px 18px}
  .hbox{display:flex;gap:10px;flex-wrap:wrap}
  .btn{display:inline-flex;align-items:center;gap:6px;border-radius:11px;padding:9px 14px;font-size:13px;font-weight:700;transition:.18s;border:1px solid transparent}
  .btn.green{background:linear-gradient(180deg,#079a63,#005e3e);color:#fff;box-shadow:0 8px 16px -8px rgba(0,80,50,.6)}
  .btn.green:hover{filter:brightness(1.06)}
  .btn.gold{background:linear-gradient(180deg,#e0b063,#a97a2e);color:#fff;box-shadow:0 8px 16px -8px rgba(160,110,30,.55)}
  .btn.gold:hover{filter:brightness(1.05)}
  .btn.ghost{border-color:var(--line);background:#fff;color:var(--ink)}
  .btn.ghost:hover{border-color:var(--green);color:var(--green-2)}
  .btn.sm{padding:4px 9px;border-radius:8px;font-size:11.5px}
  /* 变量设置卡片（与账单设置中心同风格：白卡片 + 绿竖条标题 + 带标签字段网格） */
  .fcard{border:1px solid var(--line);border-radius:12px;background:#fff;padding:12px 14px;margin-bottom:12px}
  .fc-t{display:flex;align-items:center;gap:10px;font-weight:800;font-size:13px;color:#1a1a1a;margin-bottom:10px}
  .fc-t::before{content:"";width:4px;height:14px;border-radius:4px;background:var(--green)}
  .fgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 12px}
  .fgrid.fgrid4{grid-template-columns:repeat(4,minmax(0,1fr))}
  .fld label{display:block;font-size:11px;font-weight:700;color:var(--muted);margin-bottom:4px;letter-spacing:.3px}
  .fld input,.fld select,.fld textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:7px 10px;background:#fff;transition:.18s}
  .fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(0,112,74,.1)}
  .fld.full{grid-column:1/-1}
  .fld textarea{resize:vertical;min-height:46px}
  .fld input.mono{font-family:var(--mono);letter-spacing:.4px}
  .fld select{cursor:pointer}
  /* 只读变量（随账单自动同步，仅供查看） */
  .fld input[readonly],.fld textarea[readonly],.fld select:disabled{background:#f5f6f5;color:#4a554e;cursor:default}
  .fld input[readonly]:focus,.fld textarea[readonly]:focus,.fld select:disabled:focus{border-color:var(--line);box-shadow:none}
  .calcrow{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:10px;padding:10px 12px;background:var(--green-soft);border-radius:10px;font-size:12.5px;color:var(--green-2)}
  .calcrow b{font-family:var(--serif);font-size:14px}
  .calcrow .g{color:var(--gold);font-weight:700}
  .calcrow .note{margin-left:auto;color:var(--muted);font-size:11px}
  .note-banner{margin-top:12px;background:linear-gradient(90deg,#fdf6e6,#fbf1d8);border:1px dashed var(--gold);color:#8a6523;font-size:12px;border-radius:10px;padding:8px 12px}
  .steps{display:flex;flex-direction:column;gap:8px;margin-top:4px}
  .grp-title{display:flex;align-items:center;gap:8px;margin:14px 0 2px}
  .grp-title b{font-family:var(--serif);font-weight:700;color:var(--green-2);font-size:15px}
  .grp-title .ln{flex:1;height:1px;background:linear-gradient(90deg,var(--line),transparent)}
  .step{display:grid;grid-template-columns:44px minmax(0,1fr);gap:0 14px;border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden;animation:in .3s ease both}
  @keyframes in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
  .step .num{grid-row:1/3;align-self:start;margin:15px 0 0 14px;width:34px;height:34px;border-radius:11px;background:linear-gradient(160deg,#0d9465,#00563a);color:#fff;display:grid;place-items:center;font-family:var(--serif);font-weight:700;font-size:15px;box-shadow:0 6px 12px -6px rgba(0,80,50,.55)}
  .step .txt{padding:13px 16px;font-size:13.5px;cursor:pointer}
  .step .txt:hover{background:#f7fbf8}
  .step .zh{border-bottom:1px dashed #e6e2d6}
  .step .en{color:#3f4b44;background:#fcfbf6}
  .step .zh::before,.step .en::before{content:attr(data-lab);display:block;font-size:10px;letter-spacing:2px;font-weight:700;margin-bottom:4px;color:var(--green)}
  .step .en::before{color:var(--gold)}
  .step .ops{grid-column:1/-1}
  .step .ops,.scene-ans .ops{display:flex;gap:4px;padding:7px 12px 10px;justify-content:flex-end;align-items:center;position:relative}
  .step .ops button,.scene-ans .ops button,.grp-title .gops button{font-size:11px;color:#98a29b;padding:3px 8px;border-radius:7px;transition:.15s;border:1px solid transparent}
  .step .ops button:hover,.scene-ans .ops button:hover,.grp-title .gops button:hover{color:var(--green-2);background:var(--green-soft)}
  .step .ops button.danger:hover,.scene-ans .ops button.danger:hover,.grp-title .gops button.danger:hover{color:#a2372a;background:#fbeeec}
  .grp-title .gops{display:flex;gap:2px}
  .scene-ans .ops{padding:8px 0 0;margin-top:8px;border-top:1px dashed #dce9e0}
  .btn:disabled{opacity:.55;cursor:default}
  /* 复制反馈：浮在被点击的中/英文案行右侧（与该行对齐，2.4s 自动消失） */
  .step .txt,.ai-rw .txt{position:relative}
  .copied{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:10.5px;color:var(--green-2);background:var(--green-soft);border:1px solid #cfe2d6;padding:2px 8px;border-radius:99px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:2;white-space:nowrap}
  .copied.show{opacity:1}
  /* AI 改写要求：内联输入条（展开在卡片 ops 下方） */
  .step .ai-ask{grid-column:1/-1;padding:2px 12px 10px}
  .ai-ask{display:flex;gap:6px;align-items:center;padding:2px 0 10px}
  .ai-ask input{flex:1;min-width:0;font-size:12px;padding:6px 10px;border:1px solid var(--line);border-radius:8px;outline:none;background:#fbfdfc;color:#33413a}
  .ai-ask input:focus{border-color:var(--green)}
  .ai-ask button{font-size:11.5px;padding:6px 12px;border-radius:8px;cursor:pointer;white-space:nowrap}
  .ai-ask button.go{background:var(--green);border:1px solid var(--green);color:#fff;font-weight:700}
  .ai-ask button.go:hover{filter:brightness(1.08)}
  .ai-ask button.cancel{background:#fff;border:1px solid var(--line);color:#98a29b}
  .ai-ask button.cancel:hover{background:#f4f6f5;color:#5c6a61}
  /* AI 改写草稿区 */
  .step .ai-rw{grid-column:2;min-width:0}
  .ai-rw{margin:0 0 6px;padding:8px 10px;background:linear-gradient(180deg,#f5fbf7,#eaf4ef);border:1px dashed #a4cdb5;border-radius:9px}
  .ai-rw-h{font-size:10.5px;color:var(--green-2);font-weight:800;display:flex;align-items:center;justify-content:space-between;margin-bottom:4px;letter-spacing:.5px}
  .ai-rw-ops{display:flex;gap:4px}
  .ai-rw-ops button{font-size:10.5px;color:#557a64;border:1px solid #b9d3c3;background:#fff;padding:2px 8px;border-radius:6px;cursor:pointer}
  .ai-rw-ops button:hover{background:var(--green-soft);color:var(--green-2)}
  .ai-rw-ops button[data-act^="discard"]:hover{background:#fbf0ee;color:#a2372a;border-color:#e2bdb6}
  .ai-rw .txt.draft{font-size:12.5px;line-height:1.55;padding:4px 0}
  .ai-rw .txt.draft::before{color:#4a7e60}
  /* ---- 场景问题：顶部网格，点一下出解答 ---- */
  .scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .scene-cell{display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;border:1px solid var(--line);border-radius:11px;background:#fff;padding:10px 12px;transition:.15s}
  .scene-cell:hover{border-color:var(--green);background:#f7fbf8}
  .scene-cell .zh{font-size:12.5px;font-weight:700;color:var(--ink);line-height:1.4}
  .scene-cell .en{font-size:10.5px;font-weight:600;color:var(--muted);line-height:1.35}
  .scene-cell.on{border-color:var(--green);background:var(--green-soft);box-shadow:0 0 0 1px var(--green) inset}
  .scene-cell.on .zh{color:var(--green-2)}
  .scene-ans{margin-top:12px;border:1px solid #cfe2d6;border-radius:13px;background:linear-gradient(180deg,#f8fcf9,#f2f8f4);padding:12px 14px;animation:in .3s ease both}
  .scene-ans .sa-q{font-weight:800;font-size:13px;color:var(--green-2);margin-bottom:8px;display:flex;flex-direction:column;gap:1px}
  .scene-ans .sa-q .en{color:var(--muted);font-weight:600;font-size:11px}
  .scene-ans .txt,.ai-ans .txt{position:relative;padding:9px 12px;font-size:13px;cursor:pointer;border-radius:9px}
  .scene-ans .txt:hover,.ai-ans .txt:hover{background:#fff}
  .scene-ans .zh,.ai-ans .zh{border-bottom:1px dashed #e2eee6}
  .scene-ans .en,.ai-ans .en{color:#3f4b44;background:rgba(255,255,255,.55)}
  .scene-ans .zh::before,.scene-ans .en::before,.ai-ans .zh::before,.ai-ans .en::before{content:attr(data-lab);display:block;font-size:10px;letter-spacing:2px;font-weight:700;margin-bottom:3px;color:var(--green)}
  .scene-ans .en::before,.ai-ans .en::before{color:var(--gold)}
  /* ---- AI 回答气泡（聊天区内，点击句子复制） ---- */
  .ai-ans{border:1px dashed #a4cdb5;border-radius:13px;background:linear-gradient(180deg,#f5fbf7,#eaf4ef);padding:12px 14px;animation:in .3s ease both}
  .ai-ans-h{font-size:11px;color:var(--green-2);font-weight:800;letter-spacing:.5px;margin-bottom:8px}
  .ai-ans-h .m{margin-left:8px;font-weight:600;color:var(--muted);letter-spacing:0}
  .toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);background:#16301f;color:#eaf6ee;padding:10px 20px;border-radius:99px;font-size:13px;box-shadow:0 14px 30px -10px rgba(0,0,0,.4);opacity:0;pointer-events:none;transition:.25s;z-index:200}
  .toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
  .toast.err{background:#6e2418}
  /* ---- 移动端适配 ---- */
  @media(max-width:1100px){
    .wrap{grid-template-columns:1fr}
    .fgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .fgrid.fgrid4{grid-template-columns:repeat(2,minmax(0,1fr))}
    /* AI 应答：右下角 FAB 呼出，弹窗从底部滑入、顶部只到 topbar 下方（topbar 始终可见可操作） */
    .navfab{display:inline-flex;position:fixed;right:14px;bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:90;align-items:center;gap:7px;background:linear-gradient(180deg,#079a63,#005e3e);color:#fff;font-size:13px;font-weight:700;padding:11px 16px;border-radius:99px;box-shadow:0 10px 24px -8px rgba(0,80,50,.55);transition:.18s}
    .navfab:hover{filter:brightness(1.06)}
    .navmask{display:block;position:fixed;left:0;right:0;top:var(--tbh,0px);bottom:0;background:rgba(15,28,22,.45);z-index:110;pointer-events:none;opacity:0;transition:opacity .3s}
    .navmask.show{opacity:1;pointer-events:auto}
    /* 关键：PC 端的 align-self:start 会阻止 fixed 元素 top+bottom 拉伸，必须重置为 auto，否则弹窗只有内容高度 */
    /* --kb 由 JS 依据 visualViewport 计算：软键盘弹起时输入栏抬到键盘上方，避免被遮挡 */
    .navside{position:fixed;top:var(--tbh,0px);left:0;right:0;bottom:var(--kb,0px);width:100%;height:auto;align-self:auto;z-index:120;margin:0;background:var(--paper);transform:translateY(100%);transition:transform .36s cubic-bezier(.32,.72,.3,1);display:flex;flex-direction:column;padding-bottom:env(safe-area-inset-bottom,0px)}
    .navside.show{transform:none}
    .navside>section.panel{border:0;border-radius:0;box-shadow:none;flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}
    .navside .grab{display:block;flex:0 0 auto;width:38px;height:4px;border-radius:99px;background:var(--line);margin:8px auto 0}
    .navside>section.panel>header{display:flex;flex:0 0 auto}
    .navside .hint{display:none}
    .navside .cl{display:inline-flex}
    .navside .x{display:grid;place-items:center;width:38px;height:38px;padding:0;color:var(--muted);border-radius:10px}
    .navside .x .lic{width:19px;height:19px}
    .navside .x:hover{background:var(--green-soft);color:var(--green-2)}
    .grp-title,section.panel{scroll-margin-top:calc(var(--tbh,0px) + 12px)}
  }
  @media(max-width:860px){
    html,body{overflow-x:clip;overflow-y:auto}
    .topbar .inner{flex-wrap:wrap;gap:6px 10px;padding:8px 12px}
    .topbar h1{font-size:14px}
    .topbar .sub{display:none}
    /* tab 切换器：换到第二行居中 */
    .tbsl{display:none}
    .tbsw{position:static;transform:none;order:5;display:flex;justify-content:center;flex:0 0 100%;margin-top:4px;padding:4px 0;background:none;border-radius:0}
    .tbsw a{padding:7px 16px;font-size:12.5px;border-radius:9px}
    .tbsw a.on{background:rgba(255,255,255,.12)}
    .wrap{padding:12px 10px 50px;gap:12px}
    .mbody{padding:10px 12px}
    .mbar{padding:8px 12px}
    .panel>header{padding:10px 12px}
    .panel .body{padding:10px 12px}
    .calcrow{gap:6px;padding:8px 10px;font-size:12px}
    .calcrow .note{margin-left:0;flex:1 1 100%}
    .step{grid-template-columns:34px minmax(0,1fr);gap:0 8px}
    .step .num{margin:10px 0 0 8px;width:28px;height:28px;font-size:12.5px}
    .step .txt{padding:9px 10px;font-size:12.5px}
    .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .scene-ans,.ai-ans{padding:10px 11px}
    .copied{right:6px}
    .toast{max-width:86vw;text-align:center}
  }
  /* 设置中心移动端（≤700px：侧栏变抽屉，与 panel.css 一致） */
  @media(max-width:700px){
    .setwrap{flex-direction:column}
    .snav{position:fixed;top:0;left:0;bottom:0;width:240px;flex:0 0 auto;flex-direction:column;gap:2px;border-right:1px solid #e3e3e3;padding:16px 12px;transform:translateX(-100%);transition:transform .3s cubic-bezier(.32,.72,.3,1);z-index:200;background:#f6f6f7}
    .snav.open{transform:none}
    .snav-t{display:flex}
    .snav-list{flex-direction:column;gap:2px;overflow:visible;flex:1}
    .snav-list button{white-space:nowrap;padding:10px 12px;font-size:13px;flex:0 0 auto;width:auto}
    .snav-back{margin-top:auto}
    .snav-mask{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:transparent;z-index:190}
    .snav-mask.show{display:block}
    .shead{padding:11px 14px}
    .shead .sback{display:none}
    .shead .ham{display:grid}
    .shead h2{font-size:15px}
    .sbody{padding:14px 12px 26px}
    .sbody>section{max-width:none}
    .sbody input,.sbody select,.sbody textarea{font-size:16px}
  }
  @media(max-width:560px){
    .fgrid{grid-template-columns:minmax(0,1fr)}
    .fgrid.fgrid4{grid-template-columns:minmax(0,1fr)}
    .wrap{padding:12px 9px 46px}
    .scene-cell{padding:9px 10px}
    .ai-chat{padding:10px}
    .msg{max-width:100%}
  }