/* ============ 轻盒 LightBox · 设计系统 ============ */
:root{
  --bg:#f5f6fa; --card:#ffffff; --card2:#f8f9fd;
  --text:#191d2b; --muted:#68718a; --border:#e4e6ef;
  --accent:#6c5ce7; --accent-2:#8e7cf3; --accent-soft:#efeafd;
  --red:#e0245e; --green:#0e9f6e; --amber:#d97706; --blue:#2563eb;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 10px 28px rgba(16,24,40,.07);
  --radius:16px;
  --header-h:60px;
}
[data-theme="dark"]{
  --bg:#0f1118; --card:#171a26; --card2:#1d2130;
  --text:#e8eaf2; --muted:#98a0b6; --border:#282d40;
  --accent:#8b7cff; --accent-2:#a79bff; --accent-soft:#242040;
  --red:#ff5c8a; --green:#34d399; --amber:#fbbf24; --blue:#60a5fa;
  --shadow:0 1px 2px rgba(0,0,0,.35),0 10px 28px rgba(0,0,0,.4);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Roboto,sans-serif;
  background:var(--bg);color:var(--text);font-size:15px;line-height:1.55;
  transition:background .25s,color .25s;
  /* 根防护:任何子树意外横向溢出都不让整页可横滑(溢出的根因要逐个修,这是最后兜底) */
  overflow-x:clip;
}
body.noscroll{overflow:hidden}
a{color:var(--accent);text-decoration:none}
kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;border:1px solid var(--border);border-bottom-width:2px;border-radius:5px;padding:1px 5px;color:var(--muted);background:var(--card)}
::selection{background:var(--accent-soft)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.center{text-align:center}
.spacer{height:12px}
.divider{height:1px;background:var(--border);margin:14px 0}

/* ---------- 头部 ---------- */
.app-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.header-inner{max-width:1080px;margin:0 auto;height:var(--header-h);display:flex;align-items:center;gap:14px;padding:0 16px}
.logo{display:flex;align-items:center;gap:9px;color:var(--text);flex-shrink:0}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#b04df0);color:#fff;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(108,92,231,.35)}
.logo-text{font-weight:800;font-size:17px;letter-spacing:.5px;display:flex;flex-direction:column;line-height:1.05}
.logo-text em{font-style:normal;font-size:9.5px;font-weight:600;color:var(--muted);letter-spacing:1.5px}
/* min-width:0 是 flex 收缩的前提:缺了它,input 的 intrinsic 宽度(约180px)+ 右侧按钮组(234px,flex-shrink:0)
   会把 390px 屏的 header 撑到 516px——整页横向溢出、按钮被挤出屏外。 */
.search-box{flex:1;min-width:0;max-width:520px;margin:0 auto;display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:0 12px;height:40px;transition:border-color .2s, box-shadow .2s}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.search-box .ic{width:16px;height:16px;color:var(--muted);flex-shrink:0}
.search-box input{flex:1;border:none;outline:none;background:transparent;color:var(--text);font-size:14px;min-width:0}
.search-box input::-webkit-search-cancel-button{-webkit-appearance:none}
.header-actions{display:flex;gap:6px;flex-shrink:0}
.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--card);color:var(--muted);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s;flex-shrink:0}
.icon-btn:hover{color:var(--accent);border-color:var(--accent)}
.icon-btn .ic{width:18px;height:18px}
.icon-btn.on{color:#f5a623;border-color:#f5a623}
.icon-btn.on svg path{fill:#f5a623}
.ic-moon{display:none}
[data-theme="dark"] .ic-sun{display:none}
[data-theme="dark"] .ic-moon{display:block}

/* ---------- 首页 ---------- */
.home{max-width:1080px;margin:0 auto;padding:22px 16px 60px}
.hero{padding:26px 4px 20px}
.hero h1{font-size:clamp(24px,4.5vw,34px);font-weight:900;letter-spacing:.5px;line-height:1.25}
.hero h1 span{background:linear-gradient(120deg,var(--accent),#e0409a);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);margin-top:8px;max-width:640px;font-size:14.5px}
.hero-stats{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.hstat{display:flex;align-items:center;gap:6px;background:var(--card);border:1px solid var(--border);border-radius:999px;padding:6px 13px;font-size:13px;font-weight:600;color:var(--text);box-shadow:var(--shadow)}
.hstat b{color:var(--accent)}
.hstat i{font-style:normal;color:var(--muted);font-weight:500}
.chiprow{display:flex;gap:8px;overflow-x:auto;padding:6px 2px 10px;scrollbar-width:none;position:sticky;top:var(--header-h);z-index:30;background:linear-gradient(var(--bg) 88%,transparent)}
.chiprow::-webkit-scrollbar{display:none}
.chip{flex-shrink:0;border:1px solid var(--border);background:var(--card);color:var(--muted);border-radius:999px;padding:7px 15px;font-size:13.5px;font-weight:600;cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:6px}
.chip:hover{color:var(--text)}
.chip.on{background:var(--accent);border-color:var(--accent);color:#fff}
.chip .cnt{font-size:11px;opacity:.75}
.cat-section{margin-top:18px}
.cat-head{display:flex;align-items:baseline;gap:10px;margin:0 2px 12px}
.cat-head h2{font-size:18px;font-weight:800}
.cat-head span{font-size:12.5px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:12px}
.tile{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 14px;cursor:pointer;transition:transform .15s,box-shadow .15s,border-color .15s;position:relative;overflow:hidden;text-align:left}
.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--accent) 45%,var(--border))}
.tile:active{transform:scale(.98)}
.tile-glyph{width:44px;height:44px;border-radius:12px;font-size:19px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;color:#fff;margin-bottom:10px;background:linear-gradient(135deg,var(--c1,#6366f1),var(--c2,#8b5cf6));box-shadow:0 4px 10px color-mix(in srgb,var(--c1,#6366f1) 35%,transparent)}
.tile h3{font-size:15px;font-weight:700;margin-bottom:3px}
.tile p{font-size:12px;color:var(--muted);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tile .recent-dot{position:absolute;top:10px;right:10px;width:8px;height:8px;border-radius:50%;background:var(--green)}
.cat-计算换算{--c1:#6366f1;--c2:#a855f7}
.cat-时间效率{--c1:#3b82f6;--c2:#0ea5e9}
.cat-随机决策{--c1:#f59e0b;--c2:#ef4444}
.cat-文本工具{--c1:#10b981;--c2:#14b8a6}
.cat-图片视觉{--c1:#ec4899;--c2:#f43f5e}
.cat-生活健康{--c1:#84cc16;--c2:#22c55e}
.cat-设备工具{--c1:#64748b;--c2:#94a3b8}
.insight{margin-top:34px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.insight h2{font-size:19px;font-weight:900;margin-bottom:6px}
.insight .lead{color:var(--muted);font-size:14px;margin-bottom:16px}
.insight-cols{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.insight-col{border-radius:14px;padding:16px;border:1px solid var(--border)}
.insight-col.pro{background:color-mix(in srgb,var(--green) 7%,var(--card))}
.insight-col.con{background:color-mix(in srgb,var(--amber) 7%,var(--card))}
.insight-col h3{font-size:15px;font-weight:800;margin-bottom:10px}
.insight-col ul{list-style:none}
.insight-col li{font-size:13px;color:var(--text);padding:5px 0 5px 20px;position:relative;line-height:1.5}
.insight-col li::before{content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:50%}
.insight-col.pro li::before{background:var(--green)}
.insight-col.con li::before{background:var(--amber)}
.insight-col b{font-weight:700}
.app-footer{margin-top:26px;text-align:center;color:var(--muted);font-size:12.5px;line-height:1.8}
.empty{padding:48px 0;text-align:center;color:var(--muted)}

/* ---------- 工具全屏面板 ---------- */
.tool-view{position:fixed;inset:0;z-index:100;background:var(--bg);display:flex;justify-content:center;opacity:0;transition:opacity .2s}
.tool-view.open{opacity:1}
.tool-view[hidden]{display:none}
.tool-panel{width:100%;max-width:760px;display:flex;flex-direction:column;background:var(--bg)}
.tool-head{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(12px);position:sticky;top:0;z-index:5}
.tool-head .tile-glyph{width:36px;height:36px;font-size:15px;border-radius:10px;margin:0}
.tool-head h2{font-size:17px;font-weight:800;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tool-body{flex:1;overflow-y:auto;padding:18px 16px 60px;-webkit-overflow-scrolling:touch}

/* ---------- 工具内通用组件 ---------- */
.t-wrap{max-width:680px;margin:0 auto}
.block{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px;margin-bottom:14px}
.block-title{font-size:13px;font-weight:800;color:var(--muted);letter-spacing:1px;margin-bottom:12px;display:flex;align-items:center;justify-content:space-between}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row.tight{gap:6px}
.col{display:flex;flex-direction:column;gap:10px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.label{font-size:12.5px;font-weight:700;color:var(--muted)}
.hint{font-size:12px;color:var(--muted);line-height:1.5}
.input{width:100%;border:1px solid var(--border);background:var(--card2);color:var(--text);border-radius:10px;padding:9px 12px;font-size:14.5px;outline:none;transition:border-color .15s,box-shadow .15s;font-family:inherit}
.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
textarea.input{resize:vertical;min-height:90px;line-height:1.6}
select.input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2368718a' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:30px}
.btn{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:10px;padding:9px 16px;font-size:14px;font-weight:600;cursor:pointer;transition:all .15s;display:inline-flex;align-items:center;justify-content:center;gap:6px;font-family:inherit;user-select:none}
.btn:hover{border-color:var(--accent);color:var(--accent)}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-2);color:#fff}
.btn.danger{color:var(--red)}
.btn.danger:hover{border-color:var(--red);color:var(--red);background:color-mix(in srgb,var(--red) 8%,transparent)}
.btn.sm{padding:6px 11px;font-size:13px;border-radius:8px}
.btn.wide{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed;pointer-events:none}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:10px}
.stat{background:var(--card2);border:1px solid var(--border);border-radius:12px;padding:12px;text-align:center}
.stat .num{font-size:21px;font-weight:900;font-variant-numeric:tabular-nums;line-height:1.2}
.stat .lab{font-size:11.5px;color:var(--muted);margin-top:2px}
.stat.hot .num{color:var(--red)}
.stat.good .num{color:var(--green)}
.big{font-size:44px;font-weight:900;text-align:center;font-variant-numeric:tabular-nums;letter-spacing:1px;line-height:1.1}
.big small{font-size:16px;font-weight:700;color:var(--muted)}
.big-sub{text-align:center;color:var(--muted);font-size:13px;margin-top:4px}
.kv{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px dashed var(--border);font-size:14px}
.kv:last-child{border-bottom:none}
.kv .k{color:var(--muted)}
.kv .v{font-weight:700;font-variant-numeric:tabular-nums;text-align:right}
.seg{display:flex;background:var(--card2);border:1px solid var(--border);border-radius:10px;padding:3px;gap:3px}
.seg button{flex:1;border:none;background:transparent;color:var(--muted);font-size:13px;font-weight:700;padding:7px 4px;border-radius:8px;cursor:pointer;transition:all .15s;font-family:inherit;white-space:nowrap}
.seg button.on{background:var(--accent);color:#fff;box-shadow:0 2px 8px color-mix(in srgb,var(--accent) 35%,transparent)}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:14px}
.tab{border:none;background:transparent;color:var(--muted);font-size:14px;font-weight:700;padding:9px 14px;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;font-family:inherit}
.tab.on{color:var(--accent);border-bottom-color:var(--accent)}
.list{display:flex;flex-direction:column;gap:8px}
.item{display:flex;align-items:center;gap:10px;background:var(--card2);border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:14px}
.item .grow{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis}
.item .del{border:none;background:transparent;color:var(--muted);cursor:pointer;font-size:16px;padding:2px 6px;border-radius:6px;line-height:1}
.item .del:hover{color:var(--red);background:color-mix(in srgb,var(--red) 10%,transparent)}
.item.done .grow{text-decoration:line-through;color:var(--muted)}
.bar{height:10px;background:var(--card2);border:1px solid var(--border);border-radius:99px;overflow:hidden}
.bar>i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .3s}
.pill{display:inline-flex;align-items:center;gap:4px;font-size:11.5px;font-weight:700;border-radius:99px;padding:2px 9px;background:var(--accent-soft);color:var(--accent)}
.pill.green{background:color-mix(in srgb,var(--green) 14%,transparent);color:var(--green)}
.pill.red{background:color-mix(in srgb,var(--red) 12%,transparent);color:var(--red)}
.pill.amber{background:color-mix(in srgb,var(--amber) 14%,transparent);color:var(--amber)}
.pill.blue{background:color-mix(in srgb,var(--blue) 12%,transparent);color:var(--blue)}
.tag{font-size:11px;color:var(--muted);border:1px solid var(--border);border-radius:6px;padding:1px 6px}
.out{background:var(--card2);border:1px solid var(--border);border-radius:10px;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;line-height:1.6;white-space:pre-wrap;word-break:break-all;max-height:340px;overflow:auto}
.note{background:var(--card2);border:1px dashed var(--border);border-radius:10px;padding:10px 12px;font-size:12.5px;color:var(--muted);line-height:1.6}
.note.warn{border-color:var(--amber);color:var(--amber);background:color-mix(in srgb,var(--amber) 7%,transparent)}
.cv{display:flex;justify-content:center;background:var(--card2);border:1px solid var(--border);border-radius:12px;padding:12px;overflow:auto}
.cv canvas,.cv img{max-width:100%;height:auto;border-radius:6px}
.swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:8px}
.swatch{border-radius:10px;height:64px;cursor:pointer;border:1px solid var(--border);position:relative;overflow:hidden;transition:transform .12s}
.swatch:hover{transform:scale(1.04)}
.swatch span{position:absolute;left:0;right:0;bottom:0;background:rgba(0,0,0,.55);color:#fff;font-size:10.5px;text-align:center;padding:2px;font-family:monospace}
.slider{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:99px;background:var(--border);outline:none}
.slider::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--accent);cursor:pointer;border:3px solid #fff;box-shadow:0 1px 6px rgba(0,0,0,.3)}
.slider::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer;border:3px solid #fff}
.switch{display:flex;align-items:center;gap:9px;cursor:pointer;font-size:14px;user-select:none}
.switch input{display:none}
.switch .track{width:42px;height:24px;border-radius:99px;background:var(--border);position:relative;transition:background .2s;flex-shrink:0}
.switch .track::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.3);transition:transform .2s}
.switch input:checked+.track{background:var(--accent)}
.switch input:checked+.track::after{transform:translateX(18px)}
.keypad{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.key{border:1px solid var(--border);background:var(--card);border-radius:12px;padding:14px 0;font-size:19px;font-weight:700;cursor:pointer;transition:all .1s;user-select:none;text-align:center;font-family:inherit;color:var(--text)}
.key:hover{border-color:var(--accent)}
.key:active{transform:scale(.94);background:var(--accent-soft)}
.key.op{color:var(--accent)}
.key.eq{background:var(--accent);color:#fff;border-color:var(--accent)}
.key.eq:hover{background:var(--accent-2)}
.key.fn{font-size:15px;color:var(--muted)}
.calc-disp{background:var(--card2);border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin-bottom:12px;text-align:right}
.calc-disp .expr{font-size:13px;color:var(--muted);min-height:18px;word-break:break-all;font-family:ui-monospace,Menlo,monospace}
.calc-disp .val{font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;word-break:break-all}
.hist{max-height:150px;overflow:auto;display:flex;flex-direction:column;gap:4px;margin-top:10px}
.hist div{font-size:12.5px;color:var(--muted);text-align:right;cursor:pointer;padding:3px 6px;border-radius:6px;font-family:ui-monospace,Menlo,monospace}
.hist div:hover{background:var(--accent-soft);color:var(--accent)}
.diff-line{font-family:ui-monospace,Menlo,monospace;font-size:12.5px;padding:3px 10px;white-space:pre-wrap;word-break:break-all;border-left:3px solid transparent;line-height:1.5}
.diff-add{background:color-mix(in srgb,var(--green) 12%,transparent);border-left-color:var(--green)}
.diff-del{background:color-mix(in srgb,var(--red) 10%,transparent);border-left-color:var(--red)}
.diff-same{color:var(--muted)}
table.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th,.tbl td{border-bottom:1px solid var(--border);padding:7px 8px;text-align:right;font-variant-numeric:tabular-nums}
.tbl th{color:var(--muted);font-weight:700;font-size:12px}
.tbl td:first-child,.tbl th:first-child{text-align:left}
.tbl tr:last-child td{border-bottom:none}
/* 番茄钟圆环 */
.ring-wrap{display:flex;justify-content:center;padding:10px 0}
.ring{position:relative;width:220px;height:220px}
.ring svg{transform:rotate(-90deg);width:100%;height:100%}
.ring .ring-bg{fill:none;stroke:var(--border);stroke-width:10}
.ring .ring-fg{fill:none;stroke:var(--accent);stroke-width:10;stroke-linecap:round;transition:stroke-dashoffset .5s linear,stroke .3s}
.ring .ring-txt{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}
.ring .ring-txt .t{font-size:40px;font-weight:900;font-variant-numeric:tabular-nums}
.ring .ring-txt .s{font-size:12.5px;color:var(--muted);font-weight:700}
/* 节拍器 / 骰子动画 */
.beats{display:flex;gap:8px;justify-content:center;margin:14px 0}
.beat{width:16px;height:16px;border-radius:50%;background:var(--border);transition:all .08s}
.beat.on{background:var(--accent);transform:scale(1.35);box-shadow:0 0 12px var(--accent)}
.beat.acc.on{background:var(--red);box-shadow:0 0 12px var(--red)}
@keyframes shake{10%,90%{transform:translate(-1px,0)}20%,80%{transform:translate(2px,0)}30%,50%,70%{transform:translate(-3px,0)}40%,60%{transform:translate(3px,0)}}
.shake{animation:shake .5s}
@keyframes pop{0%{transform:scale(.4);opacity:0}70%{transform:scale(1.1)}100%{transform:scale(1);opacity:1}}
.pop{animation:pop .35s}
.die{width:74px;height:74px;background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);padding:10px;gap:2px}
.die i{width:13px;height:13px;border-radius:50%;background:var(--text);align-self:center;justify-self:center}
.die i.off{visibility:hidden}
/* 全屏类工具 */
.screen-layer{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;cursor:pointer;user-select:none}
.screen-layer .exit{position:absolute;top:calc(env(safe-area-inset-top,0px) + 14px);right:14px;background:rgba(0,0,0,.4);color:#fff;border:none;border-radius:99px;padding:8px 16px;font-size:13px;font-weight:700;cursor:pointer;font-family:inherit}
.screen-layer .tip{position:absolute;bottom:calc(env(safe-area-inset-bottom,0px) + 20px);color:rgba(255,255,255,.75);font-size:13px;text-shadow:0 1px 4px rgba(0,0,0,.5);background:rgba(0,0,0,.3);padding:6px 14px;border-radius:99px}
/* 呼吸动画 */
.breath-stage{display:flex;flex-direction:column;align-items:center;justify-content:center;height:300px;gap:18px}
.breath-circle{border-radius:50%;background:radial-gradient(circle at 35% 30%,var(--accent-2),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;box-shadow:0 0 60px color-mix(in srgb,var(--accent) 45%,transparent)}
.breath-phase{font-size:20px;font-weight:800;letter-spacing:2px}
/* Markdown 预览 */
.mark-body{font-size:14.5px;line-height:1.75;word-break:break-word}
.mark-body h1,.mark-body h2,.mark-body h3,.mark-body h4{margin:18px 0 8px;line-height:1.35;font-weight:800}
.mark-body h1{font-size:21px}.mark-body h2{font-size:18px}.mark-body h3{font-size:16px}
.mark-body p{margin:8px 0}
.mark-body ul,.mark-body ol{margin:8px 0 8px 22px}
.mark-body code{background:var(--card2);border:1px solid var(--border);border-radius:5px;padding:1px 6px;font-size:13px;font-family:ui-monospace,Menlo,monospace;color:var(--red)}
.mark-body pre{background:var(--card2);border:1px solid var(--border);border-radius:10px;padding:12px;overflow:auto;margin:10px 0}
.mark-body pre code{background:none;border:none;padding:0;color:var(--text)}
.mark-body blockquote{border-left:3px solid var(--accent);background:var(--accent-soft);margin:10px 0;padding:8px 14px;border-radius:0 10px 10px 0;color:var(--muted)}
.mark-body table{border-collapse:collapse;margin:10px 0;width:100%}
.mark-body th,.mark-body td{border:1px solid var(--border);padding:6px 10px;font-size:13.5px}
.mark-body th{background:var(--card2)}
.mark-body img{max-width:100%;border-radius:10px}
.mark-body hr{border:none;border-top:1px solid var(--border);margin:14px 0}
.mark-body a{text-decoration:underline}
.mark-body mark{background:color-mix(in srgb,var(--amber) 35%,transparent);padding:0 3px;border-radius:3px}
/* toast */
.toast{position:fixed;left:50%;bottom:36px;transform:translateX(-50%) translateY(20px);background:var(--text);color:var(--bg);font-size:13.5px;font-weight:600;padding:10px 20px;border-radius:99px;opacity:0;pointer-events:none;transition:all .25s;z-index:300;box-shadow:0 8px 24px rgba(0,0,0,.25);max-width:86vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
/* 日历 */
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.cal-cell{border-radius:9px;padding:6px 2px;text-align:center;background:var(--card2);border:1px solid transparent;cursor:pointer;min-height:56px;display:flex;flex-direction:column;align-items:center;gap:1px}
.cal-cell .g{font-size:13px;font-weight:700}
.cal-cell .l{font-size:9.5px;color:var(--muted);line-height:1.15}
.cal-cell.today{border-color:var(--accent);background:var(--accent-soft)}
.cal-cell.sel{border-color:var(--accent);background:var(--accent);color:#fff}
.cal-cell.sel .l{color:rgba(255,255,255,.85)}
.cal-cell .fest{font-size:9px;color:var(--red);font-weight:700;line-height:1.1}
.cal-cell.sel .fest{color:#ffd7e4}
.cal-cell.void{visibility:hidden}
.cal-head{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-bottom:6px}
.cal-head span{text-align:center;font-size:11.5px;font-weight:800;color:var(--muted)}
/* 白噪音可视化 */
.eq{display:flex;gap:3px;justify-content:center;align-items:flex-end;height:56px;margin:14px 0}
.eq i{width:6px;border-radius:3px;background:linear-gradient(180deg,var(--accent),var(--accent-2));height:8%;transition:height .12s}
/* 图片裁剪 */
.crop-stage{position:relative;display:inline-block;line-height:0;user-select:none;touch-action:none}
.crop-stage img{max-width:100%;max-height:52vh;display:block;border-radius:8px}
.crop-box{position:absolute;border:1.5px dashed #fff;box-shadow:0 0 0 9999px rgba(0,0,0,.45);cursor:move}
.crop-box .h{position:absolute;width:14px;height:14px;background:#fff;border-radius:3px;border:1px solid var(--accent)}
.crop-box .h.tl{left:-7px;top:-7px;cursor:nwse-resize}
.crop-box .h.tr{right:-7px;top:-7px;cursor:nesw-resize}
.crop-box .h.bl{left:-7px;bottom:-7px;cursor:nesw-resize}
.crop-box .h.br{right:-7px;bottom:-7px;cursor:nwse-resize}
/* 响应式 */
@media (max-width:640px){
  .header-inner{gap:8px;padding:0 12px}
  .logo-text{display:none}
  .search-box kbd{display:none}
  .home{padding:16px 12px 50px}
  .hero{padding:16px 0 12px}
  .insight-cols{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:10px}
  .tool-body{padding:14px 12px 50px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .cal-cell{min-height:50px}
}
/* 手电筒 */
.fl-stage{position:fixed;inset:0;z-index:150;pointer-events:none}
.fl-light{position:absolute;inset:0;opacity:0;transition:opacity .08s linear}
.fl-ctrl{position:fixed;left:50%;transform:translateX(-50%);bottom:16px;width:min(420px,calc(100% - 24px));z-index:160;padding:16px;box-shadow:0 12px 40px rgba(0,0,0,.25)}
.fl-power{width:96px;height:96px;border-radius:50%;margin:0 auto;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;color:var(--muted);background:var(--card2);border:2px solid var(--border);cursor:pointer;user-select:none;-webkit-user-select:none;transition:all .15s}
.fl-power:active{transform:scale(.95)}
.fl-power.on{background:radial-gradient(circle at 35% 30%,#ffe9a8,#ffb84d);border-color:#ffb84d;color:#5c3d00;box-shadow:0 0 34px rgba(255,184,77,.55)}
.fl-c{width:34px;height:34px;border-radius:50%;border:2px solid var(--border);cursor:pointer;padding:0}
.fl-c.on{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.range{width:100%;accent-color:var(--accent)}
/* 屏幕检测 */
.st-layer{position:fixed;inset:0;z-index:150;transition:background .12s}
.st-canvas{position:fixed;inset:0;z-index:155;pointer-events:none;opacity:0;touch-action:none}
.st-bar{position:fixed;left:50%;transform:translateX(-50%);bottom:16px;width:min(480px,calc(100% - 24px));z-index:160;padding:14px}
.st-dot{width:30px;height:30px;border-radius:50%;border:2px solid var(--border);cursor:pointer;padding:0}
.st-dot.on{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}

/* ============ 258工具 改版新增(布局/i18n/骨架/弹窗) ============ */
/* 骨架屏(JS 就绪前) */
.skel{padding:26px 4px}
.skel-hero{height:120px;border-radius:var(--radius);background:linear-gradient(90deg,var(--card) 25%,var(--card2) 50%,var(--card) 75%);background-size:200% 100%;animation:skel 1.4s infinite}
.skel-chips{display:flex;gap:8px;margin:16px 0}
.skel-chips span{width:74px;height:30px;border-radius:16px;background:var(--card);animation:skel 1.4s infinite}
.skel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:12px;margin-top:8px}
.skel-grid i{height:108px;border-radius:14px;background:var(--card);animation:skel 1.4s infinite}
@keyframes skel{0%{opacity:.55}50%{opacity:1}100%{opacity:.55}}

/* hero 折叠态(首访后) */
.hero.mini{padding:12px 4px 6px}
.hero.mini p{color:var(--muted);font-size:13.5px}

/* 最近使用:横滑一行 */
.recents{display:flex;gap:12px;overflow-x:auto;padding:4px 2px 10px;scrollbar-width:none;scroll-snap-type:x proximity}
.recents::-webkit-scrollbar{display:none}
.recents .tile{flex:0 0 168px;scroll-snap-align:start}

/* 页脚链接 / 语言按钮 / 面包屑 / 加载态 */
.flink{color:var(--accent);border-bottom:1px dashed var(--accent)}
.lang-btn{font-size:13px;font-weight:800;letter-spacing:.5px}
.tool-head .crumb{font-size:12px;color:var(--muted);white-space:nowrap}
.tool-head .crumb::after{content:"›";margin:0 6px 0 0;padding-left:6px}
.tool-loading{display:flex;align-items:center;justify-content:center;gap:10px;padding:80px 0;color:var(--muted);font-size:14px}
.spinner{width:20px;height:20px;border-radius:50%;border:2.5px solid var(--border);border-top-color:var(--accent);animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* 桌面端:左侧分类栏布局 */
#sidebar{display:none}
@media (min-width:1024px){
  .layout{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:220px minmax(0,1fr);gap:22px;padding:0 16px}
  .layout .home{max-width:none;margin:0;padding-left:0;padding-right:0}
  #sidebar{display:block;padding-top:22px}
  .sb-box{position:sticky;top:calc(var(--header-h) + 16px);background:var(--card);border:1px solid var(--border);border-radius:14px;padding:8px;box-shadow:var(--shadow)}
  .sb-item{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;border:none;background:transparent;color:var(--text);border-radius:9px;padding:9px 12px;font-size:13.5px;cursor:pointer;font-family:inherit;text-align:left}
  .sb-item:hover{background:var(--card2)}
  .sb-item.on{background:var(--accent-soft);color:var(--accent);font-weight:700}
  .sb-item .cnt{font-size:11.5px;color:var(--muted);background:var(--card2);border-radius:9px;padding:1px 7px}
  .sb-item.on .cnt{background:var(--card);color:var(--accent)}
  .chiprow{display:none}
}

/* 桌面端:工具面板弹窗化 */
@media (min-width:768px){
  .tool-view{background:color-mix(in srgb,#000 42%,transparent);align-items:center;padding:34px 20px}
  .tool-panel{max-width:760px;max-height:calc(100vh - 68px);border-radius:20px;border:1px solid var(--border);box-shadow:0 24px 70px rgba(0,0,0,.28);overflow:hidden;background:var(--bg)}
  .tool-body{padding-bottom:30px}
}

/* 安全区与减弱动画 */
.tool-head{padding-bottom:calc(12px + env(safe-area-inset-top,0px)*0)}
.app-footer,.tool-body{padding-bottom:calc(60px + env(safe-area-inset-bottom,0px))}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* ---------- GEO:预渲染 SSR 静态内容(JS 就绪后被 SPA 覆盖) ---------- */
a.tile{color:var(--text);text-decoration:none;display:block;text-align:left;font-family:inherit;cursor:pointer}
.ssr-nav{font-size:13px;color:var(--muted);margin-bottom:14px}
.ssr-nav a{color:var(--accent)}
.ssr h1{font-size:clamp(22px,4vw,28px);font-weight:900;margin-bottom:10px;letter-spacing:.3px}
.ssr-desc{color:var(--muted);font-size:14.5px;max-width:640px}
.ssr h2{font-size:17px;font-weight:800;margin:22px 0 8px}
.ssr h3{font-size:14.5px;font-weight:700;margin:14px 0 4px}
.ssr p,.ssr li{font-size:14px;line-height:1.7}
.ssr ol{padding-left:22px}
.ssr .grid{margin-top:10px}
.ssr-more{margin-top:26px;border-top:1px dashed var(--border);padding-top:14px;color:var(--muted);font-size:13.5px}

/* ---------- 首页重构:推荐区/降噪 ---------- */
.discover{background:color-mix(in srgb,var(--accent) 4%,transparent);border-radius:var(--radius);padding:14px 14px 16px;margin-left:-14px;margin-right:-14px}
@media (max-width:640px){.discover{margin-left:0;margin-right:0;padding:12px 10px}}

/* ---------- 首页精简:使用徽标/展开按钮/分享条 ---------- */
.tile{position:relative}
.usage-badge{position:absolute;top:8px;right:8px;min-width:22px;height:22px;padding:0 6px;border-radius:11px;background:var(--accent-soft);color:var(--accent);font-size:11.5px;font-weight:800;display:flex;align-items:center;justify-content:center}
.expand-btn{margin-top:10px;width:100%;border:1px dashed var(--border);background:transparent;color:var(--muted);border-radius:10px;padding:8px;font-size:13px;cursor:pointer;font-family:inherit;transition:all .15s}
.expand-btn:hover{color:var(--accent);border-color:var(--accent)}
.share-strip{margin-top:26px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;background:linear-gradient(120deg,var(--accent-soft),color-mix(in srgb,var(--accent) 8%,var(--card)));border:1px solid color-mix(in srgb,var(--accent) 22%,var(--border));border-radius:var(--radius);padding:16px 18px}
.share-txt{display:flex;flex-direction:column;gap:3px}
.share-txt b{font-size:15px;font-weight:800}
.share-txt span{font-size:12.5px;color:var(--muted)}
.share-main{flex-shrink:0}
@media (max-width:640px){.share-strip{flex-direction:column;align-items:stretch;text-align:center}.share-main{width:100%}}

/* ---------- UI 审查优化(P0/P1) ---------- */
/* 键盘焦点指示(全站) */
button:focus-visible,a:focus-visible,[role="button"]:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
/* 移动端触控目标 ≥42px */
@media (max-width:640px){
  .icon-btn{width:42px;height:42px}
  .chip{padding:9px 15px}

  /* ---- 手机端 header 取舍(第一性原理:搜索是找工具的最短路径,必须宽;按钮只留高频) ----
     隐藏 btnFavs:chips 行末位已有「⭐收藏」入口,功能不失
     隐藏 btnLang:语言是低频一次性设置,挪到关于页「中英双语」卡(#btnLang2) */
  #btnFavs,#btnLang{display:none}

  /* 工具页头:返回箭头已承担导航,面包屑在窄屏挤占标题(曾致「JSON 格式化」截成「JSON …」) */
  .tool-head .crumb{display:none}

  /* chips 横滚:右缘渐隐提示"可滑",末 chip 留 scroll-padding 保证能完全滑入视野 */
  .chiprow{scroll-padding-right:24px;
    -webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 26px),transparent);
    mask-image:linear-gradient(90deg,#000 calc(100% - 26px),transparent)}
}
/* toast 安全区 */
.toast{bottom:calc(36px + env(safe-area-inset-bottom,0px))}
/* chiprow 背景与 header 一致的毛玻璃 */
.chiprow{background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
/* hero 统计徽章去投影 */
.hstat{box-shadow:none}
/* 收藏 tile 星角标 */
.tile-glyph{position:relative}
.fav-star{position:absolute;top:-5px;right:-5px;width:17px;height:17px;border-radius:50%;background:#f5a623;color:#fff;font-size:10px;font-style:normal;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 4px rgba(0,0,0,.2)}
/* 分享条暗色适配 */
[data-theme="dark"] .share-strip{background:color-mix(in srgb,var(--accent) 14%,var(--card))}

/* ---------- 正式上线:页脚链接行 ---------- */
.app-footer .flinks{margin-top:2px;display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}
.app-footer .flinks i{font-style:normal;color:var(--border)}
.app-footer .flinks .flink{background:none;border:none;border-bottom:1px dashed var(--accent);padding:0;font:inherit;cursor:pointer;color:var(--accent)}
.app-footer .fcopy{margin-top:6px;font-size:11.5px;opacity:.75}

/* ---------- 关于页(正式上线版):特点/分类/CTA ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0 4px}
.feat{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:12px 14px}
/* 可点击 feat 卡(关于页语言切换入口,手机端 header 语言按钮隐藏后来这里) */
button.feat{cursor:pointer;text-align:left;font-family:inherit;font-size:inherit;color:inherit;width:100%;transition:border-color .15s,transform .12s}
button.feat:hover{border-color:var(--accent)}
button.feat:active{transform:scale(.98)}
button.feat b::after{content:" ⇄";color:var(--accent);font-weight:800}
.feat b{display:block;font-size:13.5px;font-weight:800;margin-bottom:3px}
.feat span{font-size:12px;color:var(--muted);line-height:1.55}
@media (max-width:720px){.feat-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:420px){.feat-grid{grid-template-columns:1fr}}
.about-h3{font-size:14px;font-weight:800;margin:18px 0 10px}
.about-cats{display:flex;flex-wrap:wrap;gap:8px}
.about-cat{display:inline-flex;align-items:center;gap:6px;background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:6px 13px;font-size:12.5px}
.about-cat b{color:var(--accent);font-weight:800}
.req-cta{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;background:linear-gradient(120deg,var(--accent-soft),color-mix(in srgb,var(--accent) 8%,var(--card)));border:1px solid color-mix(in srgb,var(--accent) 22%,var(--border));border-radius:var(--radius);padding:14px 16px}
.req-cta-txt{display:flex;flex-direction:column;gap:3px}
.req-cta-txt b{font-size:14.5px;font-weight:800}
.req-cta-txt span{font-size:12.5px;color:var(--muted)}
@media (max-width:640px){.req-cta{flex-direction:column;align-items:stretch;text-align:center}.req-cta .btn{width:100%}}

/* ---------- 工具需求收集页 ---------- */
.req-form{display:flex;flex-direction:column;gap:14px;margin-top:4px}
.req-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:700}
.req-form input,.req-form textarea,.req-form select{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:14px;font-family:inherit;color:var(--text);transition:border-color .15s;width:100%;box-sizing:border-box}
.req-form input:focus,.req-form textarea:focus,.req-form select:focus{outline:none;border-color:var(--accent)}
.req-form textarea{resize:vertical;min-height:72px;line-height:1.6}
.req-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:640px){.req-row{grid-template-columns:1fr}}
.req-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.req-note{font-size:12px;color:var(--muted)}
.req-result{background:color-mix(in srgb,var(--green) 7%,var(--card));border:1px solid color-mix(in srgb,var(--green) 30%,var(--border));border-radius:12px;padding:14px 16px;margin-top:4px}
.req-ok{font-size:14.5px;font-weight:800;color:var(--green);margin-bottom:12px}
.req-list{margin-top:22px;border-top:1px dashed var(--border);padding-top:16px}
.req-list h3{font-size:14px;font-weight:800;margin-bottom:10px}
.req-item{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:11px 13px;margin-bottom:8px}
.req-item-main{min-width:0}
.req-item-main b{font-size:13.5px;font-weight:700;display:block;word-break:break-all}
.req-item-main p{font-size:12px;color:var(--muted);margin:3px 0 0;line-height:1.55;word-break:break-all}
.req-meta{font-size:11.5px;color:var(--muted)}
.req-del{flex-shrink:0;width:30px;height:30px;border:none;background:transparent;color:var(--muted);font-size:16px;cursor:pointer;border-radius:8px;line-height:1}
.req-del:hover{color:var(--red);background:color-mix(in srgb,var(--red) 10%,transparent)}
.btn.ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn.ghost:hover{color:var(--accent);border-color:var(--accent)}
/* 空状态里的需求入口 */
.empty .flink{display:inline-block;margin-top:8px;font-size:13px}