/* ==========================================================================
   运启工具箱 - 样式表
   罗翊恒 X 工具大全
   ========================================================================== */

:root{
  --bg:#0a0c12;
  --bg-grad-1:rgba(109,92,255,.16);
  --bg-grad-2:rgba(34,211,238,.10);
  --bg2:#0e1119;
  --card:#141824;
  --card-2:#1a1f2e;
  --card-3:#202636;
  --line:rgba(255,255,255,.07);
  --line-2:rgba(255,255,255,.12);
  --txt:#e9edf7;
  --txt-2:#c3cadb;
  --muted:#8b93a9;
  --accent:#7c5cff;
  --accent-2:#22d3ee;
  --grad:linear-gradient(135deg,#7c5cff 0%,#4f8cff 45%,#22d3ee 100%);
  --ok:#22c55e;
  --warn:#f59e0b;
  --err:#f87171;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-sm:0 4px 14px rgba(0,0,0,.25);
  --r-lg:18px;
  --r:14px;
  --r-sm:10px;
  --top-h:60px;
  --side-w:228px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Consolas,"Liberation Mono",Menlo,monospace;
}

html[data-theme="light"]{
  --bg:#f5f7fc;
  --bg-grad-1:rgba(109,92,255,.14);
  --bg-grad-2:rgba(34,211,238,.12);
  --bg2:#ffffff;
  --card:#ffffff;
  --card-2:#f4f6fb;
  --card-3:#eceff7;
  --line:rgba(15,23,42,.08);
  --line-2:rgba(15,23,42,.14);
  --txt:#101728;
  --txt-2:#33415c;
  --muted:#6b7690;
  --shadow:0 10px 28px rgba(23,32,66,.10);
  --shadow-sm:0 4px 12px rgba(23,32,66,.07);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
/* 关键修复：作者样式的 display 会覆盖浏览器默认的 [hidden]{display:none}，
   必须显式声明，否则带 hidden 的弹层会一直显示并遮住整个页面 */
[hidden]{display:none !important}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--txt);
  font-size:15px;
  line-height:1.6;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(680px 420px at 12% -6%,var(--bg-grad-1),transparent 62%),
    radial-gradient(620px 420px at 92% 4%,var(--bg-grad-2),transparent 60%);
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;font-size:inherit}
input,textarea,select{font-family:inherit;font-size:14px;color:var(--txt)}
::selection{background:rgba(124,92,255,.35)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:8px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:var(--muted);background-clip:content-box;border:2px solid transparent}
::-webkit-scrollbar-track{background:transparent}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:60;height:var(--top-h);
  display:flex;align-items:center;gap:14px;
  padding:0 18px;
  background:color-mix(in srgb,var(--bg2) 78%,transparent);
  backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.logo{
  width:34px;height:34px;border-radius:11px;flex:none;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(124,92,255,.42);
}
.logo svg{width:21px;height:21px;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:16px;letter-spacing:.4px}
.brand-text i{font-style:normal;font-size:9px;letter-spacing:2.4px;color:var(--muted)}
.search-trigger{
  flex:1;max-width:560px;height:38px;display:flex;align-items:center;gap:9px;
  padding:0 12px;border-radius:11px;border:1px solid var(--line);
  background:var(--card);color:var(--muted);transition:.18s;
}
.search-trigger:hover{border-color:var(--accent);color:var(--txt-2);box-shadow:0 0 0 3px rgba(124,92,255,.12)}
.search-trigger .st-text{flex:1;text-align:left;font-size:13.5px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
kbd{
  font-family:var(--mono);font-size:10.5px;padding:2px 5px;border-radius:5px;
  border:1px solid var(--line-2);background:var(--card-2);color:var(--muted);
}
.top-actions{display:flex;align-items:center;gap:6px;margin-left:auto}
.icon-btn{
  width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:var(--txt-2);transition:.18s;flex:none;
}
.icon-btn:hover{background:var(--card-2);color:var(--txt)}
html[data-theme="dark"] .i-sun{display:none}
html[data-theme="light"] .i-moon{display:none}
.menu-btn{display:none}

/* ---------- 布局 ---------- */
.layout{display:flex;align-items:flex-start;max-width:1500px;margin:0 auto;position:relative;z-index:1}
.sidebar{
  width:var(--side-w);flex:none;position:sticky;top:var(--top-h);
  height:calc(100vh - var(--top-h));overflow-y:auto;
  padding:16px 12px 24px;border-right:1px solid var(--line);
}
.side-nav{display:flex;flex-direction:column;gap:2px}
.side-group{margin:12px 0 4px;padding:0 10px;font-size:11px;letter-spacing:1.6px;color:var(--muted);text-transform:uppercase}
.side-item{
  display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:10px;
  color:var(--txt-2);font-size:14px;transition:.15s;position:relative;
}
.side-item:hover{background:var(--card-2);color:var(--txt)}
.side-item.active{background:var(--card-2);color:var(--txt);font-weight:600}
.side-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:16px;border-radius:3px;background:var(--grad);
}
.side-item .si-ico{width:20px;text-align:center;font-size:15px}
.side-item .si-name{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.side-item .si-num{font-size:11px;color:var(--muted);background:var(--card-2);padding:1px 6px;border-radius:20px}
.side-item.active .si-num{background:var(--card-3)}
.side-foot{margin-top:22px;padding:0 4px}
.side-foot-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:11px 12px;font-size:12px;line-height:1.55;
}
.side-foot-card b{display:block;font-size:12.5px;margin-bottom:3px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.side-foot-card span{color:var(--muted)}
.side-credit{margin:12px 0 0;font-size:11.5px;color:var(--muted);text-align:center}
.side-credit b{color:var(--txt-2)}
.sidebar-mask{display:none}

.main{flex:1;min-width:0;padding:26px 30px 60px;scroll-margin-top:80px}

/* ---------- 首页 ---------- */
.hero{
  position:relative;overflow:hidden;border-radius:22px;padding:38px 34px 32px;
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  margin-bottom:26px;
}
.hero::after{
  content:"";position:absolute;right:-90px;top:-110px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,92,255,.30),transparent 66%);
}
.hero::before{
  content:"";position:absolute;right:120px;bottom:-140px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.20),transparent 66%);
}
.hero h1{margin:0 0 10px;font-size:32px;letter-spacing:.5px;position:relative}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .hero-sub{margin:0 0 20px;color:var(--muted);font-size:14.5px;max-width:660px;position:relative}
.hero-stats{display:flex;flex-wrap:wrap;gap:22px;position:relative;margin-top:22px;padding-top:20px;border-top:1px dashed var(--line-2)}
.hero-stat b{display:block;font-size:23px;line-height:1.2;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-stat span{font-size:12px;color:var(--muted)}
.hero-search{position:relative;max-width:520px}
.hero-search input{
  width:100%;height:46px;border-radius:13px;border:1px solid var(--line-2);
  background:var(--bg2);padding:0 16px 0 42px;font-size:14.5px;outline:none;transition:.2s;
}
.hero-search input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(124,92,255,.15)}
.hero-search svg{position:absolute;left:14px;top:14px;color:var(--muted)}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.chip{
  padding:6px 13px;border-radius:20px;border:1px solid var(--line);background:var(--card);
  font-size:13px;color:var(--txt-2);transition:.16s;display:flex;align-items:center;gap:6px;
}
.chip:hover{border-color:var(--accent);color:var(--txt);transform:translateY(-1px)}
.chip.active{border-color:transparent;background:var(--grad);color:#fff;font-weight:600}
.chip .cn{font-size:11px;opacity:.75}

.sec{margin-bottom:34px;scroll-margin-top:80px}
.sec-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.sec-head h2{margin:0;font-size:17.5px;display:flex;align-items:center;gap:9px}
.sec-head .sec-ico{
  width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:var(--card-2);font-size:16px;border:1px solid var(--line);
}
.sec-head .sec-num{font-size:12px;color:var(--muted);background:var(--card-2);padding:2px 8px;border-radius:20px}
.sec-head .sec-more{margin-left:auto;font-size:13px;color:var(--muted);transition:.15s}
.sec-head .sec-more:hover{color:var(--accent)}

.tgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.tcard{
  display:flex;align-items:center;gap:12px;padding:13px 14px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  transition:.18s;position:relative;overflow:hidden;
}
.tcard:hover{transform:translateY(-2px);border-color:var(--line-2);box-shadow:var(--shadow-sm)}
.tcard::after{
  content:"";position:absolute;inset:0;opacity:0;transition:.2s;pointer-events:none;
  background:linear-gradient(135deg,color-mix(in srgb,var(--c,var(--accent)) 16%,transparent),transparent 62%);
}
.tcard:hover::after{opacity:1}
.tico{
  width:40px;height:40px;border-radius:12px;flex:none;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  background:color-mix(in srgb,var(--c,#7c5cff) 16%,transparent);
  border:1px solid color-mix(in srgb,var(--c,#7c5cff) 30%,transparent);
}
.tico.lg{width:52px;height:52px;font-size:25px;border-radius:15px}
.tinfo{min-width:0;flex:1}
.tinfo b{display:block;font-size:14.5px;font-weight:600;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.tinfo i{display:block;font-style:normal;font-size:12.2px;color:var(--muted);overflow:hidden;white-space:nowrap;text-overflow:ellipsis;margin-top:1px}
.tarrow{color:var(--muted);font-size:14px;opacity:0;transform:translateX(-4px);transition:.18s}
.tcard:hover .tarrow{opacity:1;transform:none}
.tag-hot{
  position:absolute;top:0;right:0;font-size:9.5px;padding:1px 7px;border-bottom-left-radius:8px;
  background:var(--grad);color:#fff;letter-spacing:.5px;
}

/* ---------- 工具页 ---------- */
.crumbs{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--muted);margin-bottom:16px;flex-wrap:wrap}
.crumbs a{transition:.15s}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{opacity:.5}
.tool-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:20px;flex-wrap:wrap}
.tool-head h1{margin:0;font-size:23px;letter-spacing:.3px}
.tool-head p{margin:3px 0 0;color:var(--muted);font-size:13.5px}
.tool-head-actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.ghost-btn{
  display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 13px;border-radius:10px;
  border:1px solid var(--line);background:var(--card);color:var(--txt-2);font-size:13px;transition:.16s;
}
.ghost-btn:hover{border-color:var(--accent);color:var(--txt)}
.ghost-btn.on{border-color:transparent;background:var(--grad);color:#fff}

.tool-body{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-sm)}
.tool-body>*+*{margin-top:16px}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row>*{flex:1;min-width:190px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}

.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field>label{font-size:12.8px;color:var(--txt-2);font-weight:600;display:flex;align-items:center;gap:6px}
.field>label .hint{font-weight:400;color:var(--muted);font-size:11.5px}
.field input[type=text],.field input[type=number],.field input[type=password],.field input[type=date],.field input[type=datetime-local],.field input[type=time],.field input[type=url],.field input[type=email],.field select,.field textarea{
  width:100%;background:var(--bg2);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:9px 12px;outline:none;transition:.16s;min-width:0;
}
.field textarea{resize:vertical;line-height:1.65;font-family:var(--mono);font-size:13px}
.field textarea.plain{font-family:inherit;font-size:14px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(124,92,255,.14)}
.field select{cursor:pointer;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 17px) 50%,calc(100% - 12px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:32px}
.field input[type=color]{width:100%;height:38px;padding:3px;background:var(--bg2);border:1px solid var(--line);border-radius:var(--r-sm);cursor:pointer}
.field input[type=range]{width:100%;accent-color:var(--accent)}
.field input[type=file]{
  width:100%;padding:16px;border:1.5px dashed var(--line-2);border-radius:var(--r-sm);
  background:var(--bg2);cursor:pointer;font-size:13px;color:var(--muted);transition:.18s;
}
.field input[type=file]:hover{border-color:var(--accent);color:var(--txt-2)}
.checkline{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center}
.checkline label{display:inline-flex;align-items:center;gap:6px;font-size:13.3px;color:var(--txt-2);cursor:pointer;user-select:none}
.checkline input[type=checkbox],.checkline input[type=radio]{accent-color:var(--accent);width:15px;height:15px;cursor:pointer}
.hint-text{font-size:12px;color:var(--muted);line-height:1.6}
.warn-text{font-size:12px;color:var(--warn)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;height:38px;padding:0 18px;
  border-radius:11px;background:var(--card-2);border:1px solid var(--line);color:var(--txt);
  font-size:13.8px;font-weight:600;transition:.16s;white-space:nowrap;
}
.btn:hover{border-color:var(--accent);transform:translateY(-1px)}
.btn:active{transform:none}
.btn.primary{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 6px 18px rgba(124,92,255,.30)}
.btn.primary:hover{box-shadow:0 8px 22px rgba(124,92,255,.42)}
.btn.sm{height:32px;padding:0 13px;font-size:13px}
.btn.ok{background:rgba(34,197,94,.14);border-color:rgba(34,197,94,.34);color:#4ade80}
.btn.danger{background:rgba(248,113,113,.12);border-color:rgba(248,113,113,.3);color:var(--err)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-line{display:flex;flex-wrap:wrap;gap:9px;align-items:center}

.out-wrap{display:flex;flex-direction:column;gap:6px;min-width:0}
.out-head{display:flex;align-items:center;gap:8px;font-size:12.8px;color:var(--txt-2);font-weight:600}
.out-head .tools{margin-left:auto;display:flex;gap:6px}
.mini-btn{
  font-size:11.5px;padding:2.5px 9px;border-radius:7px;border:1px solid var(--line);
  background:var(--card-2);color:var(--muted);transition:.15s;
}
.mini-btn:hover{color:var(--txt);border-color:var(--accent)}
.out{
  background:var(--bg2);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:12px 13px;font-family:var(--mono);font-size:13px;line-height:1.7;
  white-space:pre-wrap;word-break:break-all;overflow:auto;max-height:420px;min-height:44px;
}
.out.empty{color:var(--muted)}
.out.tall{max-height:620px}
/* 全屏（展开）状态：去掉高度限制，放在 .out.tall 之后以覆盖它 */
.out.expanded{max-height:none}
.out-plain{font-family:inherit;font-size:14px;word-break:break-word}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(112px,1fr));gap:10px}
.stat{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r-sm);padding:11px 13px}
.stat b{display:block;font-size:19px;line-height:1.35;font-variant-numeric:tabular-nums}
.stat span{font-size:11.5px;color:var(--muted)}
.stat.hl b{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--r-sm);max-height:520px}
table.tb{width:100%;border-collapse:collapse;font-size:13px;min-width:420px}
table.tb th,table.tb td{padding:8px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.tb th{position:sticky;top:0;background:var(--card-2);font-size:12.3px;color:var(--txt-2);z-index:1;white-space:nowrap}
table.tb tr:last-child td{border-bottom:none}
table.tb tbody tr:hover{background:var(--card-2)}
table.tb td.mono{font-family:var(--mono);font-size:12.3px;word-break:break-all}
table.tb td.center{text-align:center}

.panel{border:1px solid var(--line);border-radius:var(--r);background:var(--bg2);padding:14px 16px}
.panel-title{font-size:13px;font-weight:700;color:var(--txt-2);margin-bottom:10px;display:flex;align-items:center;gap:7px}
.panel-title .p-tag{margin-left:auto;font-weight:400;font-size:11.5px;color:var(--muted)}
.seg{display:inline-flex;background:var(--bg2);border:1px solid var(--line);border-radius:11px;padding:3px;gap:3px;flex-wrap:wrap}
.seg button{padding:6px 14px;border-radius:8px;font-size:13px;color:var(--muted);transition:.15s}
.seg button.on{background:var(--card-3);color:var(--txt);font-weight:600;box-shadow:var(--shadow-sm)}

.preview-box{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r-sm);padding:14px;overflow:auto;max-height:560px}
.md-body{font-size:14.5px;line-height:1.8}
.md-body h1,.md-body h2,.md-body h3{margin:.9em 0 .45em;line-height:1.35}
.md-body h1{font-size:1.6em;border-bottom:1px solid var(--line);padding-bottom:.3em}
.md-body h2{font-size:1.34em;border-bottom:1px solid var(--line);padding-bottom:.25em}
.md-body h3{font-size:1.14em}
.md-body code{font-family:var(--mono);font-size:.88em;background:var(--card-2);padding:2px 6px;border-radius:6px}
.md-body pre{background:var(--card-2);padding:12px 14px;border-radius:var(--r-sm);overflow:auto}
.md-body pre code{background:none;padding:0}
.md-body blockquote{margin:.6em 0;padding:.2em 1em;border-left:3px solid var(--accent);color:var(--muted);background:var(--card-2);border-radius:0 8px 8px 0}
.md-body table{border-collapse:collapse;font-size:13.5px}
.md-body th,.md-body td{border:1px solid var(--line-2);padding:6px 11px}
.md-body img{max-width:100%;border-radius:8px}
.md-body a{color:var(--accent-2);text-decoration:underline}

.symbol-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(46px,1fr));gap:7px}
.symbol-grid button{
  height:44px;border-radius:10px;background:var(--bg2);border:1px solid var(--line);
  font-size:17px;transition:.14s;display:flex;align-items:center;justify-content:center;
}
.symbol-grid button:hover{background:var(--card-3);border-color:var(--accent);transform:scale(1.07)}
.symbol-grid.emoji button{font-size:22px;height:46px}

.dual{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden}
.dual>div{max-height:460px;overflow:auto}
.dual .side-head{padding:7px 12px;background:var(--card-2);font-size:12px;color:var(--muted);position:sticky;top:0}
.diff-line{font-family:var(--mono);font-size:12.6px;padding:1px 10px;white-space:pre-wrap;word-break:break-all;display:flex;gap:8px}
.diff-line .ln{color:var(--muted);opacity:.6;min-width:34px;text-align:right;flex:none;user-select:none}
.diff-add{background:rgba(34,197,94,.13)}
.diff-del{background:rgba(248,113,113,.13)}
.diff-same{color:var(--txt-2)}
.diff-hl{background:rgba(245,158,11,.28);border-radius:3px}

.rel{margin-top:30px}
.rel h3{font-size:15px;margin:0 0 12px;color:var(--txt-2)}

/* 图片工具 */
.drop{
  border:1.6px dashed var(--line-2);border-radius:var(--r);padding:38px 22px;text-align:center;
  color:var(--muted);background:var(--bg2);cursor:pointer;transition:.2s;
}
.drop:hover,.drop.over{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 7%,var(--bg2));color:var(--txt-2)}
.drop .d-ico{font-size:34px;display:block;margin-bottom:8px}
.drop b{color:var(--txt-2)}
.img-preview{max-width:100%;max-height:420px;border-radius:var(--r-sm);border:1px solid var(--line);display:block}
/* 裁剪区：必须裁掉 .crop-rect 的 9999px 遮罩阴影，否则整个页面会被压暗 */
#cr-stage-wrap{overflow:hidden;border-radius:var(--r-sm);padding:8px;background:var(--bg2);border:1px solid var(--line);line-height:0}
.crop-stage{position:relative;display:inline-block;max-width:100%;user-select:none;line-height:0}
.crop-stage img{max-width:100%;max-height:460px;border-radius:var(--r-sm);border:1px solid var(--line)}
.crop-rect{
  position:absolute;border:1.5px solid #fff;box-shadow:0 0 0 9999px rgba(0,0,0,.45);
  cursor:move;box-sizing:border-box;
}
.crop-rect .ch{position:absolute;width:12px;height:12px;background:#fff;border-radius:3px}
.file-list{display:flex;flex-direction:column;gap:7px;max-height:340px;overflow:auto}
.file-item{display:flex;align-items:center;gap:10px;padding:8px 11px;background:var(--bg2);border:1px solid var(--line);border-radius:var(--r-sm);font-size:12.6px}
.file-item .fi-name{flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.file-item .fi-size{color:var(--muted);font-size:11.5px;flex:none}
.fi-ok{color:var(--ok)}
.fi-err{color:var(--err)}
.palette{display:grid;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:10px}
.palette .pc{border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);cursor:pointer;transition:.16s}
.palette .pc:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.palette .pc i{display:block;height:64px}
.palette .pc b{display:block;padding:7px 9px;font-size:11.5px;font-family:var(--mono);text-align:center;background:var(--bg2);font-weight:500}
.shade-row{display:flex;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.shade-row span{flex:1;height:52px;display:flex;align-items:flex-end;justify-content:center;font-size:9.5px;font-family:var(--mono);padding-bottom:3px;cursor:pointer}
.grad-preview{height:130px;border-radius:var(--r-sm);border:1px solid var(--line)}

/* 其他小组件 */
.calc-pad{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.calc-pad button{
  height:50px;border-radius:12px;background:var(--card-2);border:1px solid var(--line);
  font-size:16px;font-weight:600;transition:.13s;
}
.calc-pad button:hover{background:var(--card-3);border-color:var(--accent)}
.calc-pad button.op{color:var(--accent-2)}
.calc-pad button.eq{background:var(--grad);color:#fff;border-color:transparent}
.calc-pad button.wide{grid-column:span 2}
.calc-screen{
  background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;
  text-align:right;overflow:auto;
}
.calc-screen .cs-exp{font-size:13px;color:var(--muted);min-height:20px;font-family:var(--mono);word-break:break-all}
.calc-screen .cs-val{font-size:28px;font-weight:700;font-variant-numeric:tabular-nums;word-break:break-all}

.timer-num{font-family:var(--mono);font-size:52px;font-weight:700;text-align:center;letter-spacing:2px;font-variant-numeric:tabular-nums}
.wheel-wrap{position:relative;width:320px;max-width:100%;margin:0 auto}
.wheel-pointer{
  position:absolute;top:-6px;left:50%;transform:translateX(-50%);z-index:2;
  width:0;height:0;border-left:13px solid transparent;border-right:13px solid transparent;border-top:22px solid var(--accent);
  filter:drop-shadow(0 3px 5px rgba(0,0,0,.4));
}
.life-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(11px,1fr));gap:3px}
.life-cell{aspect-ratio:1;border-radius:2.5px;background:var(--card-3)}
.life-cell.on{background:var(--grad)}
.life-cell.now{background:var(--warn);animation:pulse 1.4s infinite}
@keyframes pulse{50%{opacity:.45}}
.typing-text{font-size:17px;line-height:2;letter-spacing:.5px}
.typing-text .tc-ok{color:var(--ok)}
.typing-text .tc-bad{color:var(--err);background:rgba(248,113,113,.16);border-radius:3px}
.typing-text .tc-cur{background:rgba(124,92,255,.4);border-radius:3px}
.qr-holder{display:flex;align-items:center;justify-content:center;background:#fff;border-radius:var(--r-sm);padding:14px;border:1px solid var(--line)}
.qr-holder svg,.qr-holder canvas,.qr-holder img{max-width:100%;height:auto;display:block}
.barcode-holder{background:#fff;border-radius:var(--r-sm);padding:12px;text-align:center;border:1px solid var(--line);overflow:auto}
.barcode-holder canvas,.barcode-holder img,.barcode-holder svg{max-width:100%}

/* Toast / 搜索弹层 */
.toast-wrap{position:fixed;left:50%;bottom:34px;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{
  background:var(--card-3);border:1px solid var(--line-2);color:var(--txt);
  padding:9px 18px;border-radius:11px;font-size:13.5px;box-shadow:var(--shadow);
  animation:tin .22s ease;display:flex;align-items:center;gap:8px;
}
.toast.ok{border-color:rgba(34,197,94,.4)}
.toast.err{border-color:rgba(248,113,113,.45)}
@keyframes tin{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.search-modal{position:fixed;inset:0;z-index:150;display:flex;align-items:flex-start;justify-content:center;padding:12vh 18px 30px}
.search-mask{position:absolute;inset:0;background:rgba(4,6,12,.62);backdrop-filter:blur(5px)}
.search-box{
  position:relative;width:100%;max-width:640px;background:var(--card);border:1px solid var(--line-2);
  border-radius:var(--r-lg);box-shadow:0 26px 70px rgba(0,0,0,.5);overflow:hidden;
  animation:sin .2s ease;
}
@keyframes sin{from{opacity:0;transform:translateY(-14px) scale(.98)}to{opacity:1;transform:none}}
.search-input-row{display:flex;align-items:center;gap:11px;padding:14px 16px;border-bottom:1px solid var(--line);color:var(--muted)}
.search-input-row input{flex:1;background:none;border:none;outline:none;font-size:15.5px;color:var(--txt);min-width:0}
.search-close{
  width:30px;height:30px;border-radius:9px;flex:none;display:flex;align-items:center;justify-content:center;
  color:var(--muted);transition:.15s;
}
.search-close:hover{background:var(--card-3);color:var(--txt)}
.search-results{max-height:56vh;overflow-y:auto;padding:8px}
.sr-item{display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:10px;transition:.12s;cursor:pointer}
.sr-item:hover,.sr-item.on{background:var(--card-2)}
.sr-item .sr-cat{margin-left:auto;font-size:11px;color:var(--muted);background:var(--card-2);padding:1px 7px;border-radius:20px;flex:none}
.sr-empty{padding:30px;text-align:center;color:var(--muted);font-size:13.5px}
.sr-group{padding:9px 12px 4px;font-size:11.5px;color:var(--muted);letter-spacing:1px}

/* 页脚 */
.site-footer{border-top:1px solid var(--line);margin-top:20px;padding:26px 20px 34px;position:relative;z-index:1;background:color-mix(in srgb,var(--bg2) 55%,transparent)}
.foot-inner{max-width:1180px;margin:0 auto;text-align:center}
.foot-line1{margin:0 0 5px;font-size:14px;color:var(--txt-2);font-weight:600;letter-spacing:.4px}
.foot-line2{margin:0 0 5px;font-size:12.8px;color:var(--muted)}
.foot-line2 b{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.foot-line3{margin:0;font-size:12px;color:var(--muted);opacity:.85}
.foot-line3 a{text-decoration:underline;text-underline-offset:3px}
.foot-line3 a:hover{color:var(--accent)}

/* 关于页 / 落地组件 */
.about-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-sm)}
.about-card h2{margin:0 0 12px;font-size:18px}
.about-card h3{margin:20px 0 8px;font-size:14.5px;color:var(--txt-2)}
.about-card p,.about-card li{font-size:13.8px;color:var(--txt-2)}
.about-card ul{margin:6px 0;padding-left:20px}
.credit-box{
  display:flex;align-items:center;gap:16px;padding:18px 20px;border-radius:var(--r);
  background:linear-gradient(135deg,rgba(124,92,255,.14),rgba(34,211,238,.10));
  border:1px solid rgba(124,92,255,.24);margin:14px 0;
}
.credit-box .cb-ico{width:52px;height:52px;border-radius:15px;background:var(--grad);color:#fff;font-weight:800;font-size:22px;display:flex;align-items:center;justify-content:center;flex:none;box-shadow:0 8px 22px rgba(124,92,255,.34)}
.credit-box .cb-ico svg{width:29px;height:29px;display:block}
.credit-box b{font-size:16px;display:block}
.credit-box span{font-size:12.8px;color:var(--muted)}
.code-block{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;font-family:var(--mono);font-size:12.4px;white-space:pre-wrap;word-break:break-all;color:var(--txt-2)}
.empty-state{padding:60px 20px;text-align:center;color:var(--muted)}
.empty-state .es-ico{font-size:42px;display:block;margin-bottom:12px;opacity:.8}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .main{padding:22px 20px 50px}
}
@media (max-width:900px){
  .menu-btn{display:flex}
  .sidebar{
    position:fixed;top:var(--top-h);left:0;bottom:0;height:auto;width:262px;z-index:80;
    background:var(--bg2);transform:translateX(-105%);transition:transform .24s ease;
    border-right:1px solid var(--line-2);box-shadow:var(--shadow);
  }
  .sidebar.open{transform:none}
  .sidebar-mask{display:block;position:fixed;inset:var(--top-h) 0 0;background:rgba(3,5,10,.5);z-index:70;opacity:0;pointer-events:none;transition:.22s}
  .sidebar-mask.on{opacity:1;pointer-events:auto}
  .brand-text{display:none}
  .hero{padding:26px 20px}
  .hero h1{font-size:25px}
  .tool-head-actions{margin-left:0;width:100%}
}
@media (max-width:640px){
  body{font-size:14.5px}
  .topbar{gap:8px;padding:0 12px}
  .search-trigger .st-text{font-size:12.5px}
  .search-trigger kbd{display:none}
  .main{padding:16px 13px 40px}
  .tgrid{grid-template-columns:1fr}
  .tool-body{padding:15px}
  .row>*{min-width:100%}
  .hero h1{font-size:22px}
  .hero-stats{gap:16px}
  .hero-stat b{font-size:19px}
  .timer-num{font-size:38px}
  .foot-line2{font-size:12px}
}