/* ==========================================================================
   一帆风顺AI工具网 - 统一视觉系统 v1.0
   纯原生 CSS / 无远程字体 / 移动优先 / 兼容主流浏览器
   ========================================================================== */

:root{
  --brand-1:#6d28d9;
  --brand-2:#db2777;
  --brand-3:#0891b2;
  --brand-4:#f59e0b;
  --brand-5:#10b981;
  --ink:#151328;
  --ink-2:#3d3a55;
  --ink-3:#6b6785;
  --line:#e7e3f5;
  --bg:#f7f5ff;
  --card:#ffffff;
  --grad-main:linear-gradient(135deg,#7c3aed 0%,#db2777 52%,#f97316 100%);
  --grad-cool:linear-gradient(135deg,#06b6d4 0%,#6366f1 100%);
  --grad-warm:linear-gradient(135deg,#f59e0b 0%,#ef4444 100%);
  --grad-mint:linear-gradient(135deg,#10b981 0%,#06b6d4 100%);
  --grad-night:linear-gradient(135deg,#1e1b4b 0%,#4c1d95 60%,#831843 100%);
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 1px 2px rgba(24,17,60,.06),0 4px 14px rgba(24,17,60,.05);
  --shadow:0 10px 30px -12px rgba(76,29,149,.28),0 2px 8px rgba(24,17,60,.06);
  --shadow-lg:0 24px 60px -24px rgba(76,29,149,.42);
  --max:1180px;
  --tap:46px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1100px 520px at 8% -8%,rgba(124,58,237,.16),transparent 62%),
    radial-gradient(900px 480px at 96% 2%,rgba(219,39,119,.14),transparent 60%),
    radial-gradient(800px 420px at 50% 100%,rgba(6,182,212,.10),transparent 60%),
    var(--bg);
  font-size:16px;
  line-height:1.72;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg,canvas{max-width:100%;height:auto;display:block}
a{color:var(--brand-1);text-decoration:none}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.28;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
h1{font-size:clamp(1.6rem,4.6vw,2.5rem)}
h2{font-size:clamp(1.3rem,3.2vw,1.85rem)}
h3{font-size:clamp(1.08rem,2.4vw,1.32rem)}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.3em}
li{margin:.3em 0}
code,kbd,pre{font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;font-size:.92em}
:focus-visible{outline:3px solid rgba(124,58,237,.45);outline-offset:2px;border-radius:6px}

/* 布局 */
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 16px}
.row{display:flex;gap:14px;flex-wrap:wrap}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.main{padding:24px 0 56px}

/* 顶部导航 */
.topbar{position:sticky;top:0;z-index:60;backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);background:rgba(255,255,255,.82);border-bottom:1px solid rgba(231,227,245,.9)}
.nav{display:flex;align-items:center;gap:10px;height:62px}
.logo{display:flex;align-items:center;gap:9px;font-weight:900;font-size:1.06rem;color:var(--ink);letter-spacing:-.02em;white-space:nowrap;min-width:0;flex:0 1 auto;overflow:hidden}
/* 长品牌名（俄语/葡萄牙语等）在窄屏截断，不挤压菜单按钮 */
.logo>span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.logo:hover{color:var(--brand-1)}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--grad-main);display:grid;place-items:center;color:#fff;font-size:1rem;font-weight:900;box-shadow:0 6px 16px -6px rgba(219,39,119,.75);flex:0 0 auto}
.nav-spacer{flex:1 1 auto}
.nav-links{display:none;align-items:center;gap:2px}
.nav-links a{padding:9px 12px;border-radius:10px;color:var(--ink-2);font-size:.94rem;font-weight:600}
.nav-links a:hover{background:#f3efff;color:var(--brand-1)}
.nav-tools{display:flex;align-items:center;gap:8px}
.btn-lang{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 13px;border-radius:11px;border:1.5px solid var(--line);background:#fff;color:var(--ink-2);font-weight:700;font-size:.85rem;white-space:nowrap}
.btn-lang:hover{border-color:var(--brand-1);color:var(--brand-1)}
.btn-menu{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:11px;border:1.5px solid var(--line);background:#fff;color:var(--ink);font-size:1.1rem;cursor:pointer}

/* 抽屉菜单 */
.drawer{position:fixed;inset:0;z-index:90;display:none}
.drawer.open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(21,19,40,.5);backdrop-filter:blur(3px)}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(88vw,340px);background:#fff;box-shadow:var(--shadow-lg);padding:16px;overflow-y:auto;-webkit-overflow-scrolling:touch;animation:slideIn .22s ease}
@keyframes slideIn{from{transform:translateX(24px);opacity:.4}to{transform:none;opacity:1}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1.5px solid var(--line);background:#fff;font-size:1.05rem;cursor:pointer}
.drawer-panel a{display:block;padding:11px 12px;border-radius:10px;color:var(--ink-2);font-weight:600;font-size:.95rem;border-bottom:1px dashed rgba(231,227,245,.9)}
.drawer-panel a:last-child{border-bottom:0}
.drawer-panel a:hover{background:#f6f2ff;color:var(--brand-1)}

/* 首屏 */
.hero{position:relative;overflow:hidden;border-radius:26px;background:var(--grad-night);color:#fff;padding:clamp(26px,5vw,54px);margin-top:20px;box-shadow:var(--shadow-lg)}
.hero::after{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-220px;border-radius:50%;background:radial-gradient(circle,rgba(236,72,153,.55),transparent 68%);pointer-events:none}
.hero::before{content:"";position:absolute;width:420px;height:420px;left:-140px;bottom:-220px;border-radius:50%;background:radial-gradient(circle,rgba(6,182,212,.42),transparent 66%);pointer-events:none}
.hero > *{position:relative;z-index:1}
.hero h1{color:#fff;margin-bottom:12px}
.hero p{color:rgba(255,255,255,.86);font-size:clamp(.95rem,2.2vw,1.08rem);max-width:56ch;margin-bottom:20px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.hero-tags span{font-size:.78rem;font-weight:700;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff}
.searchbar{display:flex;gap:8px;background:rgba(255,255,255,.96);border-radius:14px;padding:6px;max-width:560px;box-shadow:0 12px 30px -14px rgba(0,0,0,.5)}
.searchbar input{flex:1 1 auto;min-width:0;border:0;background:transparent;padding:11px 12px;font-size:1rem;color:var(--ink);font-family:inherit}
.searchbar input:focus{outline:none}
.searchbar button{flex:0 0 auto;border:0;border-radius:10px;background:var(--grad-main);color:#fff;font-weight:800;padding:0 18px;min-height:var(--tap);cursor:pointer;font-size:.94rem}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:20px}
.card:hover{box-shadow:var(--shadow)}
.sec{margin-top:38px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:16px;flex-wrap:wrap}
.sec-head h2{margin:0}
.sec-head p{margin:4px 0 0;color:var(--ink-3);font-size:.92rem}
.sec-more{font-size:.9rem;font-weight:700}

.tool-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(158px,1fr))}
.tool-card{position:relative;display:flex;flex-direction:column;gap:8px;padding:15px 14px;border-radius:15px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;min-height:112px;overflow:hidden}
.tool-card::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--grad-main);opacity:0;transition:opacity .16s}
.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d9d1f7;color:inherit}
.tool-card:hover::before{opacity:1}
.tool-card .tico{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:1rem;background:#f4f0ff;color:var(--brand-1);font-weight:800}
.tool-card b{font-size:.96rem;font-weight:800;color:var(--ink);line-height:1.35}
.tool-card small{color:var(--ink-3);font-size:.79rem;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tool-card.soon{opacity:.62}
.tool-card .badge-soon{position:absolute;top:10px;right:10px;font-size:.66rem;font-weight:800;padding:3px 7px;border-radius:999px;background:#fff4e5;color:#b45309;border:1px solid #fde3bd}

/* 分类块 */
.cat-card{display:block;padding:20px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);color:inherit;transition:transform .16s,box-shadow .16s}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);color:inherit}
.cat-ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:1.25rem;color:#fff;margin-bottom:12px;font-weight:900}
.cat-card h3{margin:0 0 6px;font-size:1.06rem}
.cat-card p{margin:0;color:var(--ink-3);font-size:.86rem;line-height:1.5}
.bg1{background:var(--grad-main)}
.bg2{background:var(--grad-cool)}
.bg3{background:var(--grad-warm)}
.bg4{background:var(--grad-mint)}
.bg5{background:var(--grad-night)}

/* 面包屑 */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:.84rem;color:var(--ink-3);margin:16px 0 10px}
.crumb a{color:var(--ink-3);font-weight:600}
.crumb a:hover{color:var(--brand-1)}
.crumb span{opacity:.5}

/* 工具工作区 */
.work{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;margin-bottom:18px}
.work-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:15px 18px;background:linear-gradient(120deg,#faf7ff,#fff 55%,#f3fbff);border-bottom:1px solid var(--line);flex-wrap:wrap}
.work-head h2{margin:0;font-size:1.02rem;display:flex;align-items:center;gap:8px}
.work-body{padding:18px}
.field{margin-bottom:14px}
.field > label{display:block;font-weight:700;font-size:.88rem;margin-bottom:6px;color:var(--ink-2)}
textarea,input[type=text],input[type=number],input[type=url],input[type=search],select{
  width:100%;font-family:inherit;font-size:.96rem;color:var(--ink);background:#fbfaff;
  border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:12px 13px;min-height:var(--tap);
  transition:border-color .14s,box-shadow .14s,background .14s;
}
textarea{min-height:150px;resize:vertical;line-height:1.6;font-family:"SFMono-Regular",Consolas,Menlo,monospace;font-size:.9rem}
textarea:focus,input:focus,select:focus{outline:none;border-color:#a78bfa;background:#fff;box-shadow:0 0 0 4px rgba(167,139,250,.15)}
select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8b7fb8 50%),linear-gradient(135deg,#8b7fb8 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:38px}
.hint{font-size:.79rem;color:var(--ink-3);margin:6px 0 0}
.err{color:#dc2626;font-size:.84rem;font-weight:600;margin:6px 0 0;display:none}
.err.show{display:block}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:var(--tap);padding:0 20px;border-radius:12px;border:0;background:var(--grad-main);color:#fff;font-weight:800;font-size:.94rem;font-family:inherit;cursor:pointer;box-shadow:0 10px 22px -12px rgba(219,39,119,.8);transition:transform .12s,box-shadow .12s,opacity .12s;-webkit-tap-highlight-color:transparent}
.btn:hover{transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(219,39,119,.85);color:#fff}
.btn:active{transform:translateY(0)}
.btn.ghost{background:#fff;color:var(--ink-2);border:1.5px solid var(--line);box-shadow:none}
.btn.ghost:hover{border-color:#c4b5fd;color:var(--brand-1);box-shadow:var(--shadow-sm)}
.btn.cool{background:var(--grad-cool);box-shadow:0 10px 22px -12px rgba(99,102,241,.8)}
.btn.mint{background:var(--grad-mint);box-shadow:0 10px 22px -12px rgba(16,185,129,.8)}
.btn.sm{min-height:36px;padding:0 13px;font-size:.83rem;border-radius:10px}
.btn-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:6px}
.out{position:relative;background:#0f0d1f;color:#e9e6ff;border-radius:var(--radius-sm);padding:15px;font-family:"SFMono-Regular",Consolas,Menlo,monospace;font-size:.88rem;line-height:1.65;white-space:pre-wrap;word-break:break-all;min-height:110px;max-height:420px;overflow:auto}
.out:empty::before{content:attr(data-empty);color:#6f6a92;font-family:inherit}
.out.light{background:#fbfaff;color:var(--ink);border:1.5px solid var(--line)}
.out-actions{position:absolute;top:8px;right:8px;display:flex;gap:6px}
.copy-mini{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.24);border-radius:8px;font-size:.72rem;font-weight:700;padding:4px 9px;cursor:pointer;font-family:inherit}
.out.light .copy-mini{background:#fff;color:var(--ink-2);border-color:var(--line)}
.switch{display:inline-flex;align-items:center;gap:8px;font-size:.86rem;font-weight:600;color:var(--ink-2);cursor:pointer;user-select:none}
.switch input{width:18px;height:18px;accent-color:#7c3aed}

/* 结果表格 */
table{width:100%;border-collapse:collapse;font-size:.88rem}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:#faf7ff;font-weight:800;color:var(--ink-2);font-size:.82rem;text-transform:none}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fcfaff}

/* 色块 */
.swatch{border-radius:12px;height:74px;display:flex;align-items:flex-end;padding:8px;font-size:.72rem;font-weight:800;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.35);cursor:pointer;border:1px solid rgba(0,0,0,.06)}
.swatch-grid{display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(96px,1fr))}

/* 内容区（介绍/FAQ） */
.prose{max-width:none}
.prose h2{margin-top:1.4em;padding-top:.2em}
.prose h3{margin-top:1.2em}
.prose p,.prose li{color:var(--ink-2);font-size:.96rem}
.prose ul{padding-left:1.15em}
.prose code{background:#f4f0ff;color:#6d28d9;padding:1px 6px;border-radius:6px;font-size:.88em}
.prose .note{background:#f5fbff;border-left:4px solid #06b6d4;padding:12px 14px;border-radius:0 10px 10px 0;margin:14px 0;font-size:.92rem;color:#0e7490}

.faq{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;text-align:left;padding:15px 17px;background:#fff;border:0;font-family:inherit;font-size:.95rem;font-weight:800;color:var(--ink);cursor:pointer;min-height:var(--tap)}
.faq-q:hover{background:#fbf8ff}
.faq-q i{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:#f3efff;color:var(--brand-1);display:grid;place-items:center;font-style:normal;font-size:.86rem;font-weight:900;transition:transform .18s,background .18s}
.faq-item.open .faq-q i{transform:rotate(45deg);background:var(--brand-1);color:#fff}
.faq-a{display:none;padding:0 17px 16px;color:var(--ink-2);font-size:.92rem;line-height:1.75}
.faq-item.open .faq-a{display:block}

/* 相关工具 */
.rel-list{display:flex;flex-wrap:wrap;gap:8px}
.rel-list a{display:inline-flex;align-items:center;min-height:38px;padding:0 13px;border-radius:10px;background:#fff;border:1px solid var(--line);font-size:.86rem;font-weight:700;color:var(--ink-2);box-shadow:var(--shadow-sm)}
.rel-list a:hover{border-color:#c4b5fd;color:var(--brand-1);background:#faf7ff}

/* 页脚 */
.foot{margin-top:52px;background:var(--grad-night);color:rgba(255,255,255,.74);padding:38px 0 24px;font-size:.88rem}
.foot h4{color:#fff;font-size:.95rem;margin:0 0 10px}
.foot a{color:rgba(255,255,255,.74);display:block;padding:4px 0;font-size:.86rem}
.foot a:hover{color:#fff}
.foot-grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-bottom:24px}
.foot-bot{border-top:1px solid rgba(255,255,255,.14);padding-top:16px;font-size:.8rem;display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;color:rgba(255,255,255,.6)}

/* 页脚订阅 / 站点地图链接（每语言一份） */
.foot-feeds{margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.foot-feeds b{color:#fff;font-size:.8rem;font-weight:800;letter-spacing:.02em;margin-inline-end:4px;flex:0 0 auto}
.foot a.feed-link,.foot-feeds a{display:inline-flex;align-items:center;min-height:30px;padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.88);font-size:.78rem;font-weight:700;line-height:1.2;white-space:nowrap;transition:background .18s,color .18s,border-color .18s}
.foot-feeds a:hover,.foot-feeds a:focus-visible{background:rgba(255,255,255,.22);color:#fff;border-color:rgba(255,255,255,.4)}
.foot-feeds p{flex:1 1 100%;margin:2px 0 0;font-size:.74rem;line-height:1.6;color:rgba(255,255,255,.52)}
@media (max-width:479px){
  .foot-feeds a{padding:3px 9px;font-size:.72rem;min-height:28px}
  .foot-feeds b{flex:1 1 100%}
}

/* 提示条 */
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);background:#151328;color:#fff;padding:11px 20px;border-radius:999px;font-size:.88rem;font-weight:700;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:120;max-width:86vw;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* 数字统计条 */
.stats{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));margin-top:18px}
.stat{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:12px 14px;text-align:center}
.stat b{display:block;font-size:1.35rem;color:#fff;font-weight:900;line-height:1.2}
.stat span{font-size:.76rem;color:rgba(255,255,255,.7);font-weight:600}

/* 移动端抽屉/底部 */
@media (min-width:900px){
  .nav-links{display:flex}
  .btn-menu{display:none}
  .drawer{display:none !important}
}
@media (max-width:599px){
  body{font-size:15px}
  .logo{font-size:.98rem;gap:7px}
  .logo-mark{width:30px;height:30px;font-size:.92rem}
  .hero{border-radius:20px;padding:22px 18px}
  .tool-grid{grid-template-columns:repeat(auto-fill,minmax(146px,1fr));gap:10px}
  .tool-card{min-height:104px;padding:13px 12px}
  .work-body{padding:14px}
  .searchbar button{padding:0 14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}
@media print{
  .topbar,.foot,.drawer,.searchbar,.btn-row,.out-actions{display:none !important}
  .card,.work{box-shadow:none;border-color:#ccc}
}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ==========================================================================
   14 语言支持：语言选择器 + RTL 适配 + 多语种字体栈
   ========================================================================== */

/* 多语种字体栈（按脚本回退，无远程字体） */
html[lang="hi"],html[lang="bn"],html[lang="ur"],html[lang="ar"]{
  font-family:"Noto Sans Devanagari","Nirmala UI","Kohinoor Devanagari","Vrinda",
              "Noto Sans Bengali","Shonar Bangla","Noto Naskh Arabic","Segoe UI",
              -apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
html[lang="ja"]{font-family:"Hiragino Kaku Gothic ProN","Yu Gothic","Meiryo","Noto Sans JP","PingFang SC","Microsoft YaHei",sans-serif}
html[lang="ko"]{font-family:"Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR","PingFang SC","Microsoft YaHei",sans-serif}
html[lang="ru"]{font-family:"PT Sans","Segoe UI","Noto Sans",-apple-system,"PingFang SC",sans-serif}

/* 语言选择器 */
.langbox{position:relative}
.langbox summary{display:inline-flex;align-items:center;gap:5px;height:38px;padding:0 11px;border-radius:11px;
  border:1.5px solid var(--line);background:#fff;color:var(--ink-2);font-weight:700;font-size:.82rem;
  cursor:pointer;list-style:none;white-space:nowrap}
.langbox summary::-webkit-details-marker{display:none}
.langbox summary::marker{content:""}
.langbox summary:hover{border-color:var(--brand-1);color:var(--brand-1)}
.langbox[open] summary{border-color:var(--brand-1);color:var(--brand-1)}
.lang-menu{position:absolute;top:calc(100% + 6px);inset-inline-end:0;z-index:80;width:210px;
  max-height:min(64vh,420px);overflow-y:auto;-webkit-overflow-scrolling:touch;
  background:#fff;border:1.5px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);padding:6px}
.lang-item{display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:9px 11px;border-radius:9px;color:var(--ink-2);font-size:.88rem;font-weight:600;line-height:1.35}
.lang-item:hover{background:#f3efff;color:var(--brand-1)}
.lang-item.cur{background:#f3efff;color:var(--brand-1);font-weight:800}
.lang-item i{font-style:normal;font-size:.68rem;color:var(--ink-3);font-weight:700;letter-spacing:.04em;flex:0 0 auto}
.lang-item.cur i{color:var(--brand-2)}
.lang-item bdi{unicode-bidi:isolate;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* RTL 适配（阿拉伯语 / 乌尔都语） */
html[dir="rtl"] .drawer-panel{right:auto;left:0}
html[dir="rtl"] .crumbs span,html[dir="rtl"] .crumb span{transform:scaleX(-1)}
html[dir="rtl"] .out-actions{right:auto;left:8px}
html[dir="rtl"] .lang-menu{inset-inline-end:0;inset-inline-start:auto}
html[dir="rtl"] .sec-more i,html[dir="rtl"] .sec-more::after{transform:scaleX(-1)}
html[dir="rtl"] code,html[dir="rtl"] pre,html[dir="rtl"] .out,html[dir="rtl"] textarea{direction:ltr;text-align:left}
html[dir="rtl"] .num,html[dir="rtl"] input[type="number"]{direction:ltr;text-align:right}
html[dir="rtl"] .foot-feeds a,html[dir="rtl"] .foot-feeds b{unicode-bidi:isolate}

/* 非中英文字号微调：部分文字需略大以保可读性 */
html[lang="hi"] body,html[lang="bn"] body,html[lang="ar"] body,html[lang="ur"] body{line-height:1.78}
html[lang="hi"] .hero h1,html[lang="bn"] .hero h1,html[lang="ar"] .hero h1,html[lang="ur"] .hero h1{line-height:1.3}
html[lang="de"] .tool-card b{hyphens:auto;overflow-wrap:break-word}

/* 长名称卡片防溢出（德语、俄语等长词） */
.tool-card b,.tool-card small,.cat-card h3{overflow-wrap:break-word;word-break:break-word}
@media (max-width:599px){
  .lang-menu{width:190px;max-height:56vh}
  .langbox summary span{display:none}
}

/* ==========================================================================
   娱乐性内容免责弹窗（命理 / 占卜类工具）
   首次打开该类工具页时覆盖显示，确认后 24 小时内不再弹出；
   正文底部固定保留一段同样性质的说明，便于随时回看。
   ========================================================================== */
.ent-veil{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
  padding:18px;background:rgba(18,15,38,.62);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s}
.ent-veil.show{opacity:1;visibility:visible}
.ent-card{position:relative;width:100%;max-width:520px;max-height:86vh;overflow:auto;background:#fff;
  border-radius:22px;padding:24px 24px 20px;box-shadow:0 30px 70px -24px rgba(24,18,60,.55);
  transform:translateY(14px) scale(.98);transition:transform .24s cubic-bezier(.22,1,.36,1)}
.ent-veil.show .ent-card{transform:none}
.ent-card::before{content:"";position:absolute;inset:0 0 auto;height:5px;border-radius:22px 22px 0 0;
  background:linear-gradient(90deg,#db2777,#7c3aed 48%,#0ea5e9)}
.ent-badge{display:inline-flex;align-items:center;gap:6px;background:#fff1f7;color:#be185d;
  border:1px solid #fbcfe8;border-radius:999px;padding:4px 11px;font-size:.74rem;font-weight:800;letter-spacing:.02em}
.ent-card h3{margin:12px 0 8px;font-size:1.12rem;line-height:1.35;color:#1f1a38}
.ent-lead{margin:0 0 12px;font-size:.9rem;line-height:1.72;color:#4a4463}
.ent-list{margin:0 0 16px;padding:0;list-style:none;display:grid;gap:9px}
.ent-list li{position:relative;padding-inline-start:22px;font-size:.85rem;line-height:1.68;color:#4a4463}
.ent-list li::before{content:"";position:absolute;inset-inline-start:4px;top:.62em;width:7px;height:7px;
  border-radius:50%;background:linear-gradient(135deg,#db2777,#7c3aed)}
.ent-ok{width:100%;min-height:var(--tap,46px);border:0;border-radius:13px;cursor:pointer;font-family:inherit;
  font-size:.95rem;font-weight:800;color:#fff;background:linear-gradient(120deg,#7c3aed,#db2777);
  box-shadow:0 14px 28px -16px rgba(124,58,237,.9);transition:transform .12s,box-shadow .12s}
.ent-ok:hover{transform:translateY(-1px);box-shadow:0 18px 32px -16px rgba(124,58,237,.95)}
.ent-ok:active{transform:none}
.ent-foot{margin:10px 0 0;font-size:.73rem;line-height:1.6;color:#8b83a6;text-align:center}
.ent-x{position:absolute;inset-inline-end:12px;top:12px;width:34px;height:34px;border-radius:50%;border:0;
  background:#f4f1fb;color:#6b6486;font-size:.95rem;font-weight:800;cursor:pointer;line-height:1}
.ent-x:hover{background:#ece7fa;color:#4c1d95}

/* 正文里的常驻声明块 */
.ent-note{margin:18px 0 0;padding:15px 17px;border-radius:14px;background:#fdf9ff;
  border:1px solid #ecdcfb;border-inline-start:4px solid #a855f7}
.ent-note h2{margin:0 0 8px;font-size:.98rem;color:#5b21b6;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.ent-note h2 em{font-style:normal;font-size:.7rem;font-weight:800;color:#be185d;background:#fff1f7;
  border:1px solid #fbcfe8;border-radius:999px;padding:2px 8px}
.ent-note p{margin:0;font-size:.85rem;line-height:1.75;color:#4a4463}
@media (max-width:479px){
  .ent-card{padding:20px 17px 16px;border-radius:18px;max-height:90vh}
  .ent-card h3{font-size:1.03rem}
  .ent-lead{font-size:.85rem}
  .ent-list li{font-size:.8rem}
}
@media print{.ent-veil{display:none !important}}

/* ---------- 富文本工具栏按钮（kw1_code.js 使用） ---------- */
.btnx{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;
  padding:0 10px;border-radius:10px;border:1.5px solid var(--line);background:#fff;
  color:var(--ink-2);font-family:inherit;font-size:.86rem;font-weight:700;cursor:pointer;
  transition:border-color .12s,color .12s,background .12s}
.btnx:hover{border-color:#c4b5fd;color:var(--brand-1);background:#faf7ff}
.btnx:active{transform:translateY(1px)}
#editor:focus{border-color:#c4b5fd !important;box-shadow:0 0 0 3px rgba(109,40,217,.09)}
#editor h2{font-size:1.15rem;margin:.7em 0 .4em}
#editor h3{font-size:1.02rem;margin:.6em 0 .35em}
#editor blockquote{margin:.5em 0;padding-left:12px;border-inline-start:3px solid #c4b5fd;color:#5b5573}
#editor ul,#editor ol{padding-inline-start:1.4em;margin:.4em 0}
#preview h1,#preview h2,#preview h3{margin:.8em 0 .4em;line-height:1.35}
#preview table{border-collapse:collapse;font-size:.85rem}
#preview td,#preview th{border:1px solid var(--line);padding:5px 9px}
#preview pre{background:#f5f3ff;padding:10px;border-radius:8px;overflow:auto}
#preview code{background:#f4f0ff;padding:1px 4px;border-radius:4px;font-size:.86em}
#preview blockquote{margin:.5em 0;padding-left:12px;border-inline-start:3px solid #c4b5fd;color:#5b5573}
#preview img{max-width:100%;height:auto}

/* ==========================================================================
   页脚折叠 + 声明区块 + 全站响应式增强（多分辨率适配）
   ========================================================================== */
.foot-fold{margin:0 0 14px}
.foot-fold-btn{display:inline-flex;align-items:center;gap:10px;width:100%;justify-content:center;
  min-height:42px;padding:9px 16px;border-radius:12px;cursor:pointer;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);
  color:rgba(255,255,255,.92);font-size:.82rem;font-weight:700;font-family:inherit;
  transition:background .18s,border-color .18s,color .18s}
.foot-fold-btn:hover,.foot-fold-btn:focus-visible{background:rgba(255,255,255,.20);
  border-color:rgba(255,255,255,.38);color:#fff}
.foot-fold-btn i{width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-2px);transition:transform .22s;flex:0 0 auto}
.foot-fold-btn[aria-expanded="true"] i{transform:rotate(-135deg) translateY(-2px)}
.foot-grid[hidden]{display:none}
.foot-decl{margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);
  font-size:.76rem;line-height:1.75;color:rgba(255,255,255,.62)}
.foot-decl h4{margin:0 0 6px;font-size:.8rem;color:#fff;font-weight:800;letter-spacing:.02em}
.foot-decl p{margin:0;text-align:justify;word-break:break-word}
.foot-bot{margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.14);
  font-size:.78rem;line-height:1.7;display:flex;flex-wrap:wrap;gap:8px 16px;color:rgba(255,255,255,.66)}
.foot-bot a{color:rgba(255,255,255,.86);text-decoration:none;border-bottom:1px dotted rgba(255,255,255,.4)}
.foot-bot a:hover{color:#fff;border-bottom-color:#fff}

/* —— 常见分辨率适配：1920 / 1600 / 1440 / 1366 / 1280 / 1024 / 平板 / 手机 —— */
@media (max-width:1366px){
  .wrap{padding-inline:16px}
  .foot-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:18px}
}
@media (max-width:1024px){
  .foot-grid{grid-template-columns:repeat(auto-fit,minmax(132px,1fr));gap:14px}
  .foot-decl{font-size:.75rem}
}
@media (max-width:820px){
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .foot-grid>div:first-child{grid-column:1/-1}
}
@media (max-width:600px){
  .foot-grid{grid-template-columns:1fr;gap:12px}
  .foot-decl p{text-align:left}
  .foot-bot{flex-direction:column;gap:6px;font-size:.74rem}
  .foot-fold-btn{font-size:.78rem;min-height:44px}
}
@media (max-width:380px){
  .wrap{padding-inline:12px}
  .foot-decl{font-size:.72rem;line-height:1.7}
  .foot-fold-btn{font-size:.74rem;padding:8px 12px}
}
/* 横屏矮屏手机：缩短纵向留白 */
@media (max-height:480px) and (orientation:landscape){
  .foot-decl,.foot-bot{margin-top:12px;padding-top:10px}
  .foot-fold{margin-bottom:10px}
}
/* 大屏：页脚内容不被拉得过宽 */
@media (min-width:1600px){
  .foot .wrap{max-width:1320px}
  .foot-grid{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
}
html[dir="rtl"] .foot-fold-btn i{transform:rotate(225deg) translateY(2px)}
html[dir="rtl"] .foot-fold-btn[aria-expanded="true"] i{transform:rotate(45deg) translateY(2px)}

/* ==========================================================================
   首页聚合搜索（输入关键词 + 单选引擎 → 直达结果）
   ========================================================================== */
.agg{margin-top:20px;max-width:760px;background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.24);border-radius:18px;padding:16px 16px 14px;
  backdrop-filter:blur(8px)}
.agg-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.agg-head b{color:#fff;font-size:1.02rem;font-weight:900;letter-spacing:.01em}
.agg-head small{color:rgba(255,255,255,.72);font-size:.80rem;font-weight:600;line-height:1.5}
.agg-row{display:flex;gap:8px;background:rgba(255,255,255,.97);border-radius:13px;padding:6px}
.agg-row input{flex:1 1 auto;min-width:0;border:0;background:transparent;padding:11px 12px;
  font-size:1rem;color:var(--ink);font-family:inherit}
.agg-row input:focus{outline:none}
.agg-row button{flex:0 0 auto;border:0;border-radius:10px;background:var(--grad-main);color:#fff;
  font-weight:800;padding:0 22px;min-height:var(--tap);cursor:pointer;font-size:.94rem;font-family:inherit}
.agg-row button:hover{filter:brightness(1.06)}
.agg-opts{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
.agg-opt{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
  color:rgba(255,255,255,.90);font-size:.82rem;font-weight:700;cursor:pointer;
  transition:background .16s,border-color .16s,color .16s;white-space:nowrap}
.agg-opt:hover{background:rgba(255,255,255,.20);border-color:rgba(255,255,255,.38)}
.agg-opt input{position:absolute;opacity:0;width:0;height:0;pointer-events:none}
.agg-opt span{position:relative;padding-inline-start:16px}
.agg-opt span::before{content:"";position:absolute;inset-inline-start:0;top:50%;
  transform:translateY(-50%);width:9px;height:9px;border-radius:50%;
  border:1.5px solid rgba(255,255,255,.6);background:transparent}
.agg-opt input:checked+span::before{background:#fff;border-color:#fff;
  box-shadow:0 0 0 3px rgba(255,255,255,.28)}
.agg-opt:has(input:checked){background:#fff;border-color:#fff;color:var(--brand-1)}
.agg-opt:has(input:checked) span::before{border-color:var(--brand-1);background:var(--brand-1);
  box-shadow:0 0 0 3px rgba(109,40,217,.16)}
.agg-opt input:focus-visible+span::before{box-shadow:0 0 0 3px rgba(255,255,255,.5)}
html[dir="rtl"] .agg-opt span{padding-inline-start:16px;padding-inline-end:0}
@media (max-width:600px){
  .agg{padding:13px 13px 12px;border-radius:15px}
  .agg-row{flex-wrap:wrap}
  .agg-row button{flex:1 1 100%;min-height:44px}
  .agg-opt{padding:6px 11px;font-size:.78rem}
}
@media (max-width:380px){
  .agg-opt{padding:6px 9px;font-size:.75rem}
}

/* ==========================================================================
   中文页专用：电脑端顶部菜单加大间距（手机 / 平板 / 其余 13 语言保持原样）
   —— 仅在 ≥900px（菜单展开的桌面宽度）且 html[lang="zh-CN"] 时生效
   ========================================================================== */
@media (min-width:900px){
  html[lang="zh-CN"] .nav-links{gap:10px}
  html[lang="zh-CN"] .nav-links a{padding:10px 20px;font-size:.96rem;letter-spacing:.01em}
  html[lang="zh-CN"] .nav{gap:16px}
}
@media (min-width:1200px){
  html[lang="zh-CN"] .nav-links{gap:14px}
  html[lang="zh-CN"] .nav-links a{padding:10px 24px}
}
@media (min-width:1440px){
  html[lang="zh-CN"] .nav-links{gap:16px}
  html[lang="zh-CN"] .nav-links a{padding:11px 26px}
}

/* ==========================================================================
   随机推荐工具区（首页动态区块）——整齐排版：等高卡片网格，标题截断更克制
   ========================================================================== */
.rel-list{display:grid;gap:10px;
  grid-template-columns:repeat(auto-fill,minmax(190px,1fr));
  align-items:stretch}
.rel-list a{display:flex;align-items:center;justify-content:flex-start;
  min-height:46px;height:100%;padding:9px 15px;border-radius:12px;background:#fff;
  border:1px solid var(--line);font-size:.86rem;font-weight:700;color:var(--ink-2);
  box-shadow:var(--shadow-sm);line-height:1.42;text-align:start;
  overflow:hidden;text-overflow:ellipsis;word-break:break-word;
  transition:border-color .16s,background .16s,color .16s,transform .16s,box-shadow .16s}
.rel-list a:hover{border-color:#c4b5fd;color:var(--brand-1);background:#faf7ff;
  transform:translateY(-1px);box-shadow:0 8px 18px -10px rgba(109,40,217,.5)}
@media (max-width:1024px){
  .rel-list{grid-template-columns:repeat(auto-fill,minmax(175px,1fr));gap:9px}
}
@media (max-width:820px){
  .rel-list{grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:8px}
  .rel-list a{min-height:44px;padding:8px 12px;font-size:.83rem}
}
@media (max-width:600px){
  .rel-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .rel-list a{min-height:46px;padding:8px 11px;font-size:.80rem;line-height:1.4}
}
@media (max-width:380px){
  .rel-list{grid-template-columns:1fr;gap:7px}
}
/* 德语等长单词语言：允许断词，避免撑破 */
html[lang="de"] .rel-list a,html[lang="ru"] .rel-list a{hyphens:auto;overflow-wrap:break-word}
html[dir="rtl"] .rel-list a{text-align:right}

/* ==========================================================================
   页脚横向收窄（约 20%）：内容区不再铺满整屏宽度
   ========================================================================== */
.foot>.wrap{max-width:min(var(--max),944px)}
@media (min-width:1600px){
  .foot>.wrap{max-width:1006px}
}
@media (max-width:1024px){
  .foot>.wrap{max-width:100%}
}