/* ============================================================
   跨境AI导航 — 样式表
   设计变量集中在 :root，改色改字体只动这一处
   ============================================================ */
:root{
  --bg:            #f6f7fb;
  --bg-elevated:   #ffffff;
  --bg-soft:       #eef0f7;
  --ink:           #10131c;
  --ink-2:         #454b5c;
  --ink-3:         #797f92;
  --line:          #e3e6ef;
  --line-strong:   #d2d7e4;
  --brand:         #4f46e5;
  --brand-2:       #7c3aed;
  --brand-soft:    #eeebff;
  --accent:        #f59e0b;
  --success:       #0f9d58;
  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(16,19,28,.06), 0 1px 3px rgba(16,19,28,.04);
  --shadow:    0 4px 12px rgba(16,19,28,.07), 0 2px 4px rgba(16,19,28,.04);
  --shadow-lg: 0 18px 40px rgba(16,19,28,.13), 0 4px 10px rgba(16,19,28,.06);
  --maxw: 1180px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
}
[data-theme="dark"]{
  --bg:#0c0e14; --bg-elevated:#141822; --bg-soft:#1b202c;
  --ink:#eef1f7; --ink-2:#a8b0c2; --ink-3:#767e92;
  --line:#242a38; --line-strong:#333b4d;
  --brand:#8b87ff; --brand-2:#a78bfa; --brand-soft:#1e1b3a;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow:0 4px 14px rgba(0,0,0,.45);
  --shadow-lg:0 20px 46px rgba(0,0,0,.6);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--font); font-size:15px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
button,input,select{font:inherit; color:inherit}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky; top:0; z-index:60;
  background:var(--bg);
  background:color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex; align-items:center; gap:20px; height:62px}
.logo{display:flex; align-items:center; gap:9px; font-weight:800; letter-spacing:-.02em; font-size:16.5px; white-space:nowrap}
.logo-mark{
  width:30px;height:30px;border-radius:9px;flex:none;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;color:#fff;font-size:15px;font-weight:900;
  box-shadow:0 4px 12px color-mix(in srgb, var(--brand) 40%, transparent);
}
.nav-links{display:flex; gap:4px; margin-left:8px}
.nav-links a{
  padding:7px 12px; border-radius:99px; color:var(--ink-2);
  font-size:14px; font-weight:500; transition:.16s;
}
.nav-links a:hover{background:var(--bg-soft); color:var(--ink)}
.nav-right{margin-left:auto; display:flex; align-items:center; gap:8px}
.icon-btn{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:var(--bg-elevated); display:grid;place-items:center; cursor:pointer;
  transition:.16s; font-size:15px;
}
.icon-btn:hover{border-color:var(--line-strong); transform:translateY(-1px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:9px 16px;border-radius:10px;border:1px solid transparent;
  font-size:14px;font-weight:600;cursor:pointer;transition:.16s;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 4px 14px color-mix(in srgb,var(--brand) 32%,transparent)}
.btn-primary:hover{background:color-mix(in srgb,var(--brand) 86%, #000);transform:translateY(-1px)}
.btn-ghost{background:var(--bg-elevated);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--line-strong);transform:translateY(-1px)}
.btn-sm{padding:7px 12px;font-size:13px;border-radius:9px}
.nav-toggle{display:none}

/* ---------- 首屏 ---------- */
.hero{padding:64px 0 34px; text-align:center; position:relative; overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-40% 20% auto;height:420px;
  background:radial-gradient(ellipse at center, color-mix(in srgb,var(--brand) 20%,transparent), transparent 68%);
  pointer-events:none; z-index:0;
}
.hero > *{position:relative; z-index:1}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 13px 5px 6px;border-radius:99px;
  background:var(--bg-elevated);border:1px solid var(--line);
  font-size:12.5px;color:var(--ink-2);font-weight:500;box-shadow:var(--shadow-sm);
}
.pill b{background:var(--brand-soft);color:var(--brand);padding:2px 9px;border-radius:99px;font-size:11.5px;font-weight:700}
[data-theme="dark"] .pill b{color:#c4c0ff}
.hero h1{
  font-size:clamp(31px,5.2vw,50px); line-height:1.16; letter-spacing:-.035em;
  margin:22px auto 14px; font-weight:850; max-width:16em;
}
.grad{background:linear-gradient(100deg,var(--brand),var(--brand-2) 55%, #ec4899);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{color:var(--ink-2); font-size:16.5px; max-width:37em; margin:0 auto; line-height:1.65}

.searchbar{
  display:flex;align-items:center;gap:10px; max-width:620px; margin:28px auto 0;
  background:var(--bg-elevated); border:1px solid var(--line-strong);
  border-radius:15px; padding:6px 6px 6px 16px; box-shadow:var(--shadow);
  transition:.2s;
}
.searchbar:focus-within{border-color:var(--brand); box-shadow:0 0 0 4px color-mix(in srgb,var(--brand) 14%,transparent),var(--shadow)}
.searchbar svg{flex:none; color:var(--ink-3)}
.searchbar input{
  flex:1; border:0; outline:0; background:transparent; font-size:15.5px; padding:9px 0; min-width:0;
}
.searchbar kbd{
  font-size:11px;color:var(--ink-3);border:1px solid var(--line);border-bottom-width:2px;
  border-radius:5px;padding:2px 7px;font-family:ui-monospace,monospace;background:var(--bg-soft);
}
.hero-stats{display:flex;gap:34px;justify-content:center;margin-top:34px;flex-wrap:wrap}
.hero-stats div{text-align:center}
.hero-stats b{display:block;font-size:24px;font-weight:800;letter-spacing:-.02em}
.hero-stats span{font-size:12.5px;color:var(--ink-3)}

/* ---------- 广告位 ---------- */
.ad-slot{
  margin:34px 0; border:1px dashed var(--line-strong); border-radius:var(--radius);
  background:var(--bg-soft); min-height:92px; display:flex; align-items:center;
  justify-content:center; flex-direction:column; gap:3px;
  color:var(--ink-3); font-size:12.5px; text-align:center; padding:18px;
}
.ad-slot b{color:var(--ink-2); font-weight:600; font-size:13px}
.ad-slot .ad-tag{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;opacity:.7}

/* ---------- 分类栏 ---------- */
.toolbar{
  position:sticky; top:62px; z-index:50; padding:14px 0;
  background:var(--bg);
  background:color-mix(in srgb,var(--bg) 92%,transparent);
  backdrop-filter:blur(12px); border-bottom:1px solid var(--line);
}
.chips{display:flex;gap:7px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  padding:7px 14px;border-radius:99px;border:1px solid var(--line);
  background:var(--bg-elevated);color:var(--ink-2);font-size:13.5px;font-weight:550;
  cursor:pointer;transition:.16s;
}
.chip:hover{border-color:var(--line-strong);color:var(--ink)}
.chip[aria-pressed="true"]{
  background:var(--ink);color:var(--bg);border-color:var(--ink);
}
.chip .count{font-size:11.5px;opacity:.55;font-variant-numeric:tabular-nums}
.toolbar-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.toolbar-meta{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);white-space:nowrap}
.toolbar-meta select{
  border:1px solid var(--line);background:var(--bg-elevated);border-radius:9px;
  padding:6px 9px;font-size:13px;cursor:pointer;outline:0;
}

/* ---------- 区块标题 ---------- */
.section-head{display:flex;align-items:flex-end;gap:14px;margin:40px 0 18px}
.section-head h2{margin:0;font-size:21px;font-weight:780;letter-spacing:-.02em}
.section-head p{margin:0;color:var(--ink-3);font-size:13.5px}
.section-head .link{margin-left:auto;font-size:13.5px;color:var(--brand);font-weight:600}

/* ---------- 工具卡片网格 ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(292px,1fr));gap:16px}
.card{
  position:relative; background:var(--bg-elevated); border:1px solid var(--line);
  border-radius:var(--radius); padding:18px; box-shadow:var(--shadow-sm);
  transition:.2s cubic-bezier(.2,.7,.3,1); display:flex; flex-direction:column; gap:12px;
}
.card:hover{transform:translateY(-3px); box-shadow:var(--shadow-lg); border-color:var(--line-strong)}
.card.is-sponsored{border-color:color-mix(in srgb,var(--accent) 55%,var(--line)); background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 6%,var(--bg-elevated)),var(--bg-elevated) 42%)}
.card-head{display:flex;gap:12px;align-items:flex-start}
.avatar{
  width:44px;height:44px;border-radius:12px;flex:none;display:grid;place-items:center;
  font-weight:800;font-size:17px;color:#fff;letter-spacing:-.03em;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
}
.card-title{margin:0;font-size:16px;font-weight:730;letter-spacing:-.015em;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.card-title a:hover{color:var(--brand)}
.badge{
  font-size:10.5px;font-weight:700;padding:2.5px 8px;border-radius:99px;
  border:1px solid var(--line);color:var(--ink-3);background:var(--bg-soft);white-space:nowrap;
}
.badge.spon{background:color-mix(in srgb,var(--accent) 16%,transparent);color:#b45309;border-color:color-mix(in srgb,var(--accent) 35%,transparent)}
[data-theme="dark"] .badge.spon{color:#fbbf24}
.badge.feat{background:var(--brand-soft);color:var(--brand);border-color:color-mix(in srgb,var(--brand) 28%,transparent)}
[data-theme="dark"] .badge.feat{color:#c4c0ff}
.card-tagline{color:var(--ink-2);font-size:13.5px;line-height:1.55;margin:0}
.card-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto}
.tag{font-size:11.5px;color:var(--ink-3);background:var(--bg-soft);padding:3px 9px;border-radius:6px}
.card-foot{display:flex;align-items:center;gap:10px;padding-top:13px;border-top:1px solid var(--line)}
.score{display:flex;align-items:center;gap:4px;font-size:13px;font-weight:700;color:var(--ink)}
.score .star{color:#f59e0b}
.plan{font-size:11.5px;font-weight:650;padding:3px 9px;border-radius:6px;background:var(--bg-soft);color:var(--ink-2)}
.card-foot .actions{margin-left:auto;display:flex;gap:7px}

/* 空状态 */
.empty{text-align:center;padding:70px 20px;color:var(--ink-3)}
.empty b{display:block;font-size:17px;color:var(--ink);margin-bottom:6px}

/* ---------- 提交工具 CTA ---------- */
.cta-band{
  margin:64px 0 44px; border-radius:var(--radius-lg); padding:42px 34px; text-align:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff; box-shadow:0 20px 46px color-mix(in srgb,var(--brand) 32%,transparent);
  position:relative; overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:auto -10% -60% auto;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 65%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{margin:0 0 10px;font-size:27px;font-weight:800;letter-spacing:-.03em}
.cta-band p{margin:0 auto 24px;max-width:40em;color:rgba(255,255,255,.86);font-size:15px}
.cta-actions{display:flex;gap:11px;justify-content:center;flex-wrap:wrap}
.cta-band .btn{background:#fff;color:var(--brand);font-weight:700}
.cta-band .btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.2)}
.cta-band .btn.outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn.outline:hover{background:rgba(255,255,255,.12)}

/* ---------- 弹窗详情 ---------- */
.modal{
  position:fixed;inset:0;z-index:100;display:none;
  align-items:flex-start;justify-content:center;padding:5vh 18px;
  background:rgba(10,12,20,.55);backdrop-filter:blur(6px);overflow-y:auto;
}
.modal[open],.modal.is-open{display:flex}
.modal-panel{
  background:var(--bg-elevated);border-radius:var(--radius-lg);width:100%;max-width:660px;
  box-shadow:var(--shadow-lg);border:1px solid var(--line);overflow:hidden;
  animation:pop .22s cubic-bezier(.2,.8,.3,1);
}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.modal-top{padding:24px 26px 20px;border-bottom:1px solid var(--line);display:flex;gap:15px;align-items:flex-start}
.modal-top .avatar{width:52px;height:52px;border-radius:14px;font-size:20px}
.modal-top h3{margin:0 0 5px;font-size:21px;font-weight:780;letter-spacing:-.025em}
.modal-top p{margin:0;color:var(--ink-2);font-size:14px}
.modal-close{
  margin-left:auto;width:32px;height:32px;border-radius:9px;border:1px solid var(--line);
  background:var(--bg-soft);cursor:pointer;display:grid;place-items:center;flex:none;font-size:16px;line-height:1;
}
.modal-close:hover{border-color:var(--line-strong)}
.modal-body{padding:22px 26px 26px}
.modal-metrics{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.metric{border:1px solid var(--line);border-radius:10px;padding:9px 14px;background:var(--bg-soft);min-width:96px}
.metric span{display:block;font-size:11px;color:var(--ink-3);margin-bottom:2px}
.metric b{font-size:14.5px;font-weight:700}
.modal-body h4{margin:20px 0 9px;font-size:13px;font-weight:750;color:var(--ink-3);letter-spacing:.06em;text-transform:uppercase}
.modal-body h4:first-of-type{margin-top:0}
.modal-body p{color:var(--ink-2);font-size:14.5px;line-height:1.72;margin:0}
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.checklist li{display:flex;gap:9px;font-size:14px;color:var(--ink-2);align-items:flex-start}
.checklist li::before{content:"✓";color:var(--success);font-weight:800;flex:none;line-height:1.55}
.cons-list li::before{content:"–";color:var(--ink-3)}
.modal-cta{
  margin-top:24px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}
.modal-cta .note{font-size:12px;color:var(--ink-3);margin-left:auto;text-align:right;line-height:1.45}
.disclosure{
  font-size:11.5px;color:var(--ink-3);background:var(--bg-soft);
  border-radius:8px;padding:9px 12px;margin-top:16px;line-height:1.55;
}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);margin-top:30px;padding:40px 0 30px;background:var(--bg-elevated)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.footer-grid h5{margin:0 0 12px;font-size:12.5px;font-weight:750;color:var(--ink-3);letter-spacing:.06em;text-transform:uppercase}
.footer-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.footer-grid a{font-size:13.5px;color:var(--ink-2)}
.footer-grid a:hover{color:var(--brand)}
.footer-about p{color:var(--ink-3);font-size:13.5px;margin:12px 0 0;max-width:30em;line-height:1.65}
.footer-bottom{
  margin-top:32px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;gap:14px;flex-wrap:wrap;color:var(--ink-3);font-size:12.5px;
}
.footer-bottom .right{margin-left:auto;display:flex;gap:16px;flex-wrap:wrap}

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
}
@media (max-width:640px){
  .hero{padding:40px 0 24px}
  .hero p.sub{font-size:15px}
  .searchbar{padding-left:13px}
  .searchbar kbd{display:none}
  .grid{grid-template-columns:1fr}
  .toolbar{top:62px}
  .toolbar-meta{width:100%;margin-left:0;justify-content:space-between}
  .modal{padding:0}
  .modal-panel{border-radius:0;min-height:100vh;max-width:100%}
  .modal-top,.modal-body{padding-left:20px;padding-right:20px}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 22px}
  .cta-band h2{font-size:22px}
  .hero-stats{gap:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* ============================================================
   以下为多页架构新增组件：国内直连标识 / 工具详情页 / 面包屑
   ============================================================ */

/* ---------- 国内访问标识 ---------- */
.cn-badge{
  display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:650;
  padding:2.5px 8px;border-radius:99px;white-space:nowrap;border:1px solid transparent;
}
.cn-ok{background:color-mix(in srgb,var(--success) 14%,transparent);color:#0b7a45;border-color:color-mix(in srgb,var(--success) 30%,transparent)}
.cn-blocked{background:color-mix(in srgb,#ef4444 14%,transparent);color:#b91c1c;border-color:color-mix(in srgb,#ef4444 30%,transparent)}
[data-theme="dark"] .cn-ok{color:#4ade80}
[data-theme="dark"] .cn-blocked{color:#fca5a5}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--ink-3);padding:20px 0 0;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .cur{color:var(--ink-2);font-weight:600}

/* ---------- 工具详情页 ---------- */
.tool-hero{padding:22px 0 30px;border-bottom:1px solid var(--line)}
.tool-hero-inner{display:flex;gap:20px;align-items:flex-start;flex-wrap:wrap}
.tool-hero .avatar{width:72px;height:72px;border-radius:18px;font-size:28px}
.tool-hero-main{flex:1;min-width:260px}
.tool-hero h1{margin:0 0 8px;font-size:clamp(24px,3.6vw,34px);font-weight:820;letter-spacing:-.03em;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tool-hero .lead{color:var(--ink-2);font-size:16px;margin:0 0 14px;line-height:1.65;max-width:44em}
.tool-hero-badges{display:flex;gap:7px;flex-wrap:wrap;align-items:center}
.tool-hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px;width:100%}
.tool-hero-cta .btn{padding:11px 20px}

.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;padding:32px 0 10px;align-items:start}
.tool-main h2{font-size:19px;font-weight:780;letter-spacing:-.02em;margin:30px 0 12px}
.tool-main h2:first-child{margin-top:0}
.tool-main p{color:var(--ink-2);font-size:15px;line-height:1.78;margin:0 0 12px}

.prose{color:var(--ink-2);font-size:15px;line-height:1.8}
.prose p{margin:0 0 16px}
.prose h2{font-size:20px;font-weight:780;color:var(--ink);margin:34px 0 12px;letter-spacing:-.02em}
.prose h3{font-size:16.5px;font-weight:730;color:var(--ink);margin:24px 0 9px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:22px}
.prose li{margin-bottom:7px}
.prose strong{color:var(--ink);font-weight:700}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:2px}
.prose code{background:var(--bg-soft);padding:2px 6px;border-radius:5px;font-size:13.5px}
.prose blockquote{
  margin:0 0 16px;padding:12px 18px;border-left:3px solid var(--brand);
  background:var(--bg-soft);border-radius:0 8px 8px 0;color:var(--ink-2);font-size:14.5px;
}
.prose table{width:100%;border-collapse:collapse;margin:0 0 18px;font-size:14px}
.prose th,.prose td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.prose th{background:var(--bg-soft);font-weight:700;color:var(--ink)}

/* 侧栏 */
.tool-aside{position:sticky;top:82px;display:grid;gap:16px}
.aside-card{background:var(--bg-elevated);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.aside-card h3{margin:0 0 14px;font-size:13px;font-weight:750;color:var(--ink-3);letter-spacing:.05em;text-transform:uppercase}
.spec-list{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.spec-list li{display:flex;justify-content:space-between;gap:12px;font-size:13.5px}
.spec-list .k{color:var(--ink-3)}
.spec-list .v{font-weight:650;text-align:right}
.stars{color:#f59e0b;letter-spacing:1px}

/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.related-card{
  display:flex;gap:12px;padding:14px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--bg-elevated);transition:.18s;align-items:center;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.related-card .avatar{width:38px;height:38px;border-radius:11px;font-size:15px}
.related-card b{display:block;font-size:14.5px;font-weight:700}
.related-card span{font-size:12.5px;color:var(--ink-3);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 分类页头部 */
.cat-hero{padding:34px 0 26px;border-bottom:1px solid var(--line)}
.cat-hero h1{margin:0 0 8px;font-size:clamp(24px,4vw,34px);font-weight:820;letter-spacing:-.03em}
.cat-hero p{color:var(--ink-2);font-size:15.5px;margin:0;max-width:46em;line-height:1.68}

@media (max-width:900px){
  .tool-layout{grid-template-columns:1fr;gap:24px}
  .tool-aside{position:static}
}