.a{--ink:var(--land-14181f);--soft:var(--land-4c5361);--ground:var(--land-f5f6f4);--sheet:var(--land-ffffff);--mark:var(--land-ffe24d);--tone:var(--land-e9ebe7);
  container-type:inline-size;background:var(--ground);color:var(--ink);font-family:"Public Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:1.125rem;line-height:1.5;font-kerning:normal;overflow:hidden}
.a *{box-sizing:border-box}
.a a{color:inherit;text-underline-offset:.18em;text-decoration-thickness:.07em}
:where(.a p){margin:0;text-wrap:pretty}
.a-wrap{max-width:1280px;margin:0 auto;padding:0 40px}
.a-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:28px;padding-bottom:28px}
.a-logo{font-weight:800;font-size:1.5rem;letter-spacing:-.03em;text-decoration:none}
.a-logo b{font-weight:800;background:var(--mark);padding:0 3px}
.a-links{display:flex;align-items:center;gap:32px;font-size:1rem}
.a-links a:not(.a-btn){text-decoration:none}
.a-btn{display:inline-flex;align-items:center;min-height:48px;padding:0 24px;background:var(--ink);color:var(--land-ffffff)!important;font-weight:600;font-size:1.0625rem;text-decoration:none;border-radius:var(--radius-pill)}
.a-hero{padding-top:72px}
.a-hero h1{margin:0 0 0 -.05em;font-size:clamp(3.25rem,10.6cqw,9.5rem);line-height:.96;letter-spacing:-.045em;font-weight:800}
.a-herorow{display:flex;gap:64px;align-items:flex-end;justify-content:space-between;margin-top:40px}
.a-lead{font-size:clamp(1.25rem,1.9cqw,1.625rem);line-height:1.35;max-width:32em}
.a-act{display:flex;flex-direction:column;gap:12px;align-items:flex-start;flex:none}
.a-act a:not(.a-btn){font-size:1rem}
.a-stack{position:relative;margin-top:72px;padding-top:36px}
.a-stack::before,.a-stack::after{content:"";position:absolute;background:var(--tone);height:60px}
.a-stack::before{left:48px;right:48px;top:0}
.a-stack::after{left:24px;right:24px;top:18px;background:var(--land-dfe2dc)}
.a-doc{position:relative;z-index:1;background:var(--sheet);padding:56px 64px;display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:72px}
.a-doc h2{margin:0;font-size:1.375rem;line-height:1.3;font-weight:600;letter-spacing:-.01em}
.a-meta{margin-top:6px;color:var(--soft);font-size:0.9375rem}
.a-old{margin-top:32px;font-size:clamp(1.375rem,2.2cqw,1.875rem);line-height:1.3;color:var(--land-7a8190);text-decoration:line-through;text-decoration-thickness:2px}
.a-new{margin-top:14px;font-size:clamp(1.625rem,3.1cqw,2.75rem);line-height:1.18;letter-spacing:-.02em;font-weight:600}
.a-new span{background:var(--mark);box-decoration-break:clone;-webkit-box-decoration-break:clone;padding:0 6px}
.a-word{margin-top:20px;font-weight:600;font-size:1rem}
.a-figs{font-variant-numeric:tabular-nums;margin:32px 0 0;padding:0;list-style:none;display:grid;gap:10px;font-size:1.0625rem}
.a-figs li{display:grid;grid-template-columns:190px minmax(0,1fr);gap:16px}
.a-figs span{color:var(--soft)}
.a-figs s{color:var(--land-7a8190)}
.a-side h3{margin:0 0 14px;font-size:0.9375rem;font-weight:600}
.a-vers{list-style:none;margin:0;padding:0;display:grid;gap:18px;font-size:0.9375rem;line-height:1.35}
.a-vers b{display:block;font-weight:600;font-size:1.0625rem}
.a-vers span{color:var(--soft)}
.a-vers li:first-child b{background:var(--mark);display:inline-block;padding:0 6px;margin-left:-6px}
.a-note{margin-top:14px;font-size:0.875rem;color:var(--soft)}
.a-field{background:var(--mark);margin-top:112px;padding:112px 0}
.a-field h2{margin:0 0 0 -.04em;font-size:clamp(2.25rem,8.2cqw,7.375rem);line-height:.98;letter-spacing:-.04em;font-weight:800}
.a-field p{margin-top:32px;font-size:clamp(1.25rem,1.9cqw,1.625rem);line-height:1.35;max-width:34em}
.a-work{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:72px;align-items:start;padding-top:112px}
.a-h{margin:0;font-size:clamp(2.125rem,4.4cqw,3.875rem);line-height:1.02;letter-spacing:-.03em;font-weight:800}
.a-sub{margin-top:20px;max-width:30em}
.a-chat{background:var(--sheet);padding:36px 40px}
.a-q{background:var(--tone);padding:10px 16px;display:inline-block;font-weight:500}
.a-ans{margin-top:20px;font-size:1.3125rem;line-height:1.4}
.a-ans sup{font-size:0.8125rem;font-weight:600}
.a-src{margin-top:16px;font-size:0.9375rem;color:var(--soft)}
.a-open{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:20px;font-size:0.9375rem;font-weight:500}
.a-open span:last-child{font-weight:400;color:var(--soft)}
.a-own{padding-top:112px}
.a-owngrid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:40px 40px;margin-top:48px}
.a-owngrid p:nth-child(1){grid-column:span 7;font-size:clamp(1.5rem,2.7cqw,2.375rem);line-height:1.18;letter-spacing:-.02em;font-weight:600}
.a-owngrid p:nth-child(2){grid-column:span 5}
.a-owngrid p:nth-child(3){grid-column:8 / span 5}
.a-data{background:var(--ink);color:var(--land-ffffff);margin-top:112px;padding:96px 0}
.a-data .a-sub{color:var(--land-d5d9e0)}
.a-datarow{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:72px;align-items:start}
.a-url{display:block;margin-top:32px;background:var(--land-262b35);padding:16px 20px;font-size:clamp(1.0625rem,1.9cqw,1.5rem);font-weight:600;overflow-wrap:anywhere}
.a-stepline{margin-top:16px;color:var(--land-d5d9e0)}
.a-datafacts{display:grid;gap:18px;color:var(--land-d5d9e0);font-size:1.0625rem}
.a-datafacts b{color:var(--land-ffffff);font-weight:600}
.a-data .a-btn{background:var(--mark);color:var(--ink)!important;margin-top:24px}
.a-code{padding-top:88px;padding-bottom:88px;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:72px}
.a-code ul{list-style:none;margin:0;padding:0;display:grid;gap:18px}
.a-foot{background:var(--tone);padding:56px 0}
.a-foot .big{font-size:clamp(2.125rem,4.4cqw,3.875rem);line-height:1;letter-spacing:-.03em;font-weight:800}
.a-foot .small{margin-top:16px;max-width:40em;font-size:0.9375rem;color:var(--soft)}
.a-foot .row{display:flex;flex-wrap:wrap;gap:8px 28px;margin-top:20px;font-size:0.9375rem}
.a-count{background:var(--land-ffffff);color:var(--land-4c5361);font-size:0.875rem;padding:12px 40px}
@container (max-width:760px){
  .a{font-size:1.0625rem}
  .a-wrap{padding:0 16px}
  .a-nav{padding-top:16px;padding-bottom:16px}
  .a-links a:not(.a-btn){display:none}
  .a-btn{min-height:44px;padding:0 20px;font-size:1rem}
  .a-hero{padding-top:32px}
  .a-herorow{flex-direction:column;align-items:flex-start;gap:24px;margin-top:20px}
  .a-stack{margin:40px -16px 0;padding-top:24px}
  .a-stack::before{left:32px;right:32px;height:40px}
  .a-stack::after{left:16px;right:16px;top:12px;height:40px}
  .a-doc{grid-template-columns:minmax(0,1fr);padding:28px 16px;gap:32px}
  .a-figs{font-size:1rem}
  .a-figs li{grid-template-columns:minmax(0,1fr);gap:0}
  .a-field{margin-top:56px;padding:56px 0}
  .a-work,.a-datarow,.a-code{grid-template-columns:minmax(0,1fr);gap:32px}
  .a-work,.a-own{padding-top:64px}
  .a-chat{padding:20px 16px;margin:0 -16px}
  .a-ans{font-size:1.1875rem}
  .a-owngrid{display:block;margin-top:24px}
  .a-owngrid p+p{margin-top:16px}
  .a-data{margin-top:64px;padding:56px 0}
  .a-code{padding-top:56px;padding-bottom:56px}
  .a-count{padding:12px 16px}
}

.a-card2{background:var(--land-ffffff);color:var(--land-14181f);padding:32px 36px}
.a-card2 h3{margin:0;font-size:1.25rem;line-height:1.3;font-weight:600;letter-spacing:-.01em}
.a-big2{margin:16px 0 0;font-size:clamp(1.3125rem,2.1cqw,1.8125rem);line-height:1.25;letter-spacing:-.015em;font-weight:600}
.a-card2 ul{margin-top:18px}
.a-card2 li span{color:var(--land-4c5361)}
.a-tap{display:flex;gap:10px;margin:20px 0 0;font-weight:600;font-size:1rem}
.a-tap span{display:inline-flex;align-items:center;min-height:44px;padding:0 20px;background:var(--land-e9ebe7)}
.a-fine{margin:16px 0 0;font-size:0.875rem;line-height:1.45;color:var(--land-4c5361)}
@container (max-width:760px){
  .a-card2{padding:20px 16px;margin:0 -16px}
}
.a-work+.a-work{padding-top:88px}
.a-evwrap{margin-top:64px}
.a-evh{margin:0 0 16px;font-size:1.25rem;font-weight:600;color:var(--land-ffffff)}
.a-data .a-card2{max-width:760px}
@container (max-width:760px){.a-evwrap{margin-top:40px}.a-data .a-card2{margin:0 -16px}.a-work+.a-work{padding-top:56px}}

.px-thread{display:grid;gap:24px}
.px-post{display:grid;grid-template-columns:40px minmax(0,1fr);gap:12px;align-items:start}
.px-reply{margin-left:52px}
.px-av{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-pill);background:var(--land-dfe3dd);color:var(--land-14181f);font-size:0.8125rem;font-weight:700;letter-spacing:-.01em}
.px-helper{border-radius:var(--radius-ctrl);background:var(--land-d7e4ee)}
.px-you{background:var(--land-14181f);color:var(--land-ffffff)}
.px-head{margin:0 0 4px;font-size:0.9375rem;line-height:1.4}
.px-head b{font-weight:700}
.px-head span{color:var(--land-5a6160)}
.px-body>p:not(.px-head){margin:0;font-size:1.0625rem;line-height:1.45}
.px-body>p:not(.px-head)+p{margin-top:8px}
.px-body ul{margin-top:12px}
.px-body>h4{margin:20px 0 0;font-size:0.9375rem;font-weight:700}
.px-body>h4+ul{margin-top:8px}
.px-fill{margin:0;padding:14px 16px;background:var(--land-e8ece6);border-radius:var(--radius-ctrl)}
.px-fill b{display:block;font-size:1.0625rem;font-weight:600}
.px-fill strong{display:block;margin-top:2px;font-size:1.1875rem;font-weight:800}
@container (max-width:760px){
  .px-reply{margin-left:20px}
  .px-post{grid-template-columns:32px minmax(0,1fr);gap:10px}
  .px-av{width:32px;height:32px;font-size:0.6875rem}
  .px-thread{gap:20px}
}
.a-reply{margin-top:28px}
.a-doc>div>.px-head{margin-bottom:10px}
.a-by{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.a-by .px-head{margin:0}

html,body{margin:0;background:var(--land-e9ebe7)}
.a-links .keep{display:inline-flex!important;font-weight:500}
.a-links{gap:24px}
.a-more{margin-top:20px}
@container (max-width:760px){.a-links{gap:16px}.a-nav{gap:12px}}