:root{--background:#f2f3f0;--surface:#ffffff;--surface-muted:#e7e8e5;--text:#111111;--text-muted:#666666;--border:#cbccc9;--primary:#ff8400;--primary-text:#111111;--shadow:0 18px 40px rgba(17,17,17,0.06);--radius-lg:16px;--radius-md:12px;--radius-pill:999px;--font-body:"Avenir Next","PingFang SC","Noto Sans SC","Segoe UI",sans-serif;--font-display:"SF Mono","JetBrains Mono","PingFang SC","Menlo",monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--background);color:var(--text);font-family:var(--font-body),sans-serif}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.brand,.card-kicker,.eyebrow,.meta-label,.roadmap-step,code,h1,h2,h3,kbd,pre,strong{font-family:var(--font-display),monospace}.shell{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;display:flex;flex-direction:column;gap:24px;height:100vh;padding:24px 16px;overflow:hidden;background:var(--surface-muted);border-right:1px solid var(--border)}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.04em}.brand-mark{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--primary);color:var(--primary-text)}.doc-search{position:fixed;top:24px;right:32px;z-index:40}.search-trigger{display:inline-flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.88);box-shadow:var(--shadow);color:var(--text);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);cursor:pointer}.search-box-icon,.search-trigger-icon{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:999px;background:var(--surface-muted);color:var(--text-muted);font-size:11px}.search-trigger-text{color:var(--text-muted);font-size:14px}.search-overlay{position:fixed;inset:0;display:flex;align-items:start;justify-content:center;padding:88px 24px 24px;background:rgba(17,17,17,.22);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.search-dialog{width:min(760px,100%);max-height:calc(100vh - 120px);display:flex;flex-direction:column;gap:12px;padding:16px;border:1px solid var(--border);border-radius:24px;background:rgba(255,255,255,.98);box-shadow:0 28px 80px rgba(17,17,17,.16)}.search-box{display:flex;align-items:center;gap:12px;width:100%;padding:10px 4px 0;color:var(--text-muted);font-size:14px}.search-box kbd{margin-left:auto}.search-helper{padding:0 4px;color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em}.search-filters{display:flex;flex-wrap:wrap;gap:8px}.search-filter{padding:7px 12px;border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--surface);color:var(--text-muted);cursor:pointer;transition:border-color .2s ease,background-color .2s ease,color .2s ease}.search-filter.is-active{border-color:var(--text);background:var(--text);color:var(--surface)}.search-input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:14px;background:var(--surface);color:var(--text);outline:none;transition:border-color .2s ease,box-shadow .2s ease}.search-input:focus{border-color:var(--text);box-shadow:0 0 0 3px rgba(255,132,0,.12)}.search-input::-webkit-search-cancel-button{cursor:pointer}.search-results{gap:14px;overflow:auto;padding:4px}.search-group,.search-results{display:flex;flex-direction:column}.search-group{gap:8px}.search-group-header{padding:0 4px}.search-group-header h3{margin:0;color:var(--text-muted);font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}.search-group-list{display:flex;flex-direction:column;gap:8px}.search-result{display:flex;align-items:start;justify-content:space-between;gap:12px;padding:12px;border-radius:14px;transition:background-color .2s ease,transform .2s ease}.search-result.is-active,.search-result.is-selected,.search-result:focus-visible,.search-result:hover{background:var(--background);transform:translateY(-1px)}.search-result-copy{min-width:0}.search-result-copy strong{display:block;margin-bottom:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.search-result-copy p{margin:0;color:var(--text-muted);font-size:13px;line-height:1.55}.search-result-tag{flex-shrink:0;padding:5px 9px;border-radius:var(--radius-pill);background:var(--surface-muted);color:var(--text-muted);font-size:12px}.search-empty{margin:0;padding:10px 4px 2px;color:var(--text-muted);font-size:13px;line-height:1.6}.locale-switcher{display:flex;flex-direction:column;gap:10px}.locale-label{gap:8px;padding:0 12px;font-size:12px;text-transform:uppercase;letter-spacing:.08em}.locale-label,.locale-label-icon{display:inline-flex;align-items:center;color:var(--text-muted)}.locale-label-icon{justify-content:center;width:20px;height:20px;border-radius:999px;background:var(--surface-muted)}.locale-label-icon svg{width:12px;height:12px}.locale-options{display:flex;gap:8px}.locale-option{flex:1 1;gap:8px;padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.72);text-align:center;font-size:14px;transition:border-color .2s ease,background-color .2s ease,color .2s ease}.locale-option,.locale-option-icon{display:inline-flex;align-items:center;justify-content:center;color:var(--text-muted)}.locale-option-icon{min-width:24px;height:24px;padding:0 6px;border-radius:999px;background:var(--surface-muted);font-size:11px;font-weight:700;letter-spacing:.02em}.locale-option-icon-zh{font-size:12px}.locale-option.is-active{background:var(--surface);border-color:var(--text);color:var(--text)}.locale-option.is-active .locale-option-icon{background:rgba(255,132,0,.12);color:#8d4c00}kbd{padding:4px 8px;border-radius:var(--radius-pill);background:var(--surface);border:1px solid var(--border);font-size:12px}.side-nav{display:flex;flex-direction:column;flex:1 1;min-height:0;gap:24px;overflow-y:auto;padding-right:4px}.nav-group{display:flex;flex-direction:column;gap:4px}.nav-title{margin:0 0 8px;padding:0 12px;font-size:12px;text-transform:uppercase;letter-spacing:.08em}.nav-item,.nav-title{color:var(--text-muted)}.nav-item{padding:12px 14px;border-radius:12px;transition:background-color .2s ease,color .2s ease,transform .2s ease}.nav-node{display:flex;flex-direction:column;gap:6px}.nav-item.is-parent-active{background:rgba(255,255,255,.72);color:var(--text)}.nav-subitems{gap:4px;padding-left:18px}.nav-subgroups,.nav-subitems{display:flex;flex-direction:column}.nav-subgroups{gap:10px}.nav-subgroup{display:flex;flex-direction:column;gap:4px}.nav-subtitle{margin:0;padding-left:18px;color:var(--text-muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.nav-subitem{padding:8px 12px;border-radius:10px;color:var(--text-muted);font-size:13px;transition:background-color .2s ease,color .2s ease}.nav-subitem.is-active,.nav-subitem:focus-visible,.nav-subitem:hover{background:rgba(255,255,255,.72);color:var(--text)}.nav-item:focus-visible,.nav-item:hover{background:rgba(255,255,255,.72);color:var(--text);transform:translateX(2px)}.nav-item.is-active{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.sidebar-footer{margin-top:auto;color:var(--text-muted);font-size:12px}.sidebar-footer p,.sidebar-footer span{margin:0}.content{padding:32px}.column-card,.detail-card,.faq-item,.info-card,.meta-card,.note-card,.panel,.roadmap-item,.side-card,.stat-card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow)}.command-hero,.cta,.hero{display:grid;gap:24px}.hero{grid-template-columns:minmax(0,1.2fr) 360px;padding:32px;align-items:stretch}.column-card,.detail-card,.hero-copy,.hero-meta,.primary-stack,.secondary-stack,.section{display:flex;flex-direction:column}.hero-copy{justify-content:center}.eyebrow{margin:0 0 10px;color:var(--text-muted);font-size:13px;text-transform:uppercase;letter-spacing:.08em}h1,h2,h3,strong{letter-spacing:-.04em}h1,h2,h3{margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}h1{max-width:100%;font-size:clamp(1.45rem,2.8vw,2.35rem);line-height:1.12}h2{font-size:clamp(1.05rem,1.4vw,1.38rem)}h3{font-size:.92rem}.cta p,.detail-card p,.faq-body p,.lead,.meta-card span,.note-card p,.roadmap-item p,.section-head>p,.side-card p,.stack-item p{margin:0;color:var(--text-muted);line-height:1.65}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border-radius:var(--radius-pill);border:1px solid transparent;font-weight:600}.button-primary{background:var(--primary);color:var(--primary-text)}.button-secondary{background:var(--surface-muted);border-color:var(--border)}.hero-meta{gap:16px}.meta-card,.note-card{padding:20px}.meta-card strong,.stat-card strong{font-size:2rem}.meta-label{margin:0 0 12px;color:var(--text-muted);font-size:13px;text-transform:uppercase;letter-spacing:.08em}.meta-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.stat-card{padding:18px}.stat-card span{display:block;margin-bottom:12px;color:var(--text-muted)}.section{gap:20px;margin-top:32px}.section-actions{display:flex;justify-content:flex-start;margin-top:8px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px}.section-head.compact{align-items:start}.section-head>p{max-width:360px}.card-grid{display:grid;gap:16px}.card-grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}.info-card{padding:20px}.card-kicker{display:inline-block;margin-bottom:14px;color:var(--primary);font-size:13px}.info-card p{margin:12px 0 18px;color:var(--text-muted);line-height:1.6}.info-card code{display:inline-block;padding:8px 10px;border-radius:10px;background:var(--background);font-size:13px}.dual-section{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.column-card{gap:24px;padding:24px}.stack-list{display:flex;flex-direction:column;gap:14px}.stack-item{padding:18px;border-radius:14px;background:var(--background)}.stack-item p{margin-top:8px}.roadmap{display:flex;flex-direction:column;gap:12px}.roadmap-item{display:grid;grid-template-columns:56px minmax(0,1fr);gap:18px;padding:18px 20px;align-items:start}.roadmap-step{display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:var(--background);color:var(--primary);font-weight:700}.faq-list{gap:12px}.faq-list,.faq-page-section{display:flex;flex-direction:column}.faq-page-section{gap:24px;padding:24px}.faq-group{display:flex;flex-direction:column;gap:14px}.faq-item{overflow:hidden}.faq-trigger{display:flex;align-items:center;justify-content:space-between;width:100%;padding:18px 20px;border:0;background:transparent;color:var(--text);text-align:left;cursor:pointer}.faq-icon{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--surface-muted)}.faq-body{max-height:0;overflow:hidden;transition:max-height .25s ease}.faq-body p{padding:0 20px}.faq-item.is-open .faq-body{max-height:180px}.faq-item.is-open .faq-body p{padding-bottom:20px}.faq-item.is-open .faq-icon{background:var(--primary)}.cta{grid-template-columns:minmax(0,1fr) auto;align-items:center;margin-top:32px;padding:24px;background:var(--surface-muted)}.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;color:var(--text-muted);font-size:14px}.command-hero{grid-template-columns:minmax(0,1fr) 320px;align-items:start}.command-copy{display:flex;flex-direction:column;gap:18px}.command-meta{padding:20px}.meta-row{display:flex;flex-direction:column;gap:6px;padding:14px 0;border-bottom:1px solid var(--border)}.meta-row:last-child{border-bottom:0}.chip-switch{display:inline-flex;gap:8px;padding:4px;border-radius:var(--radius-pill);background:var(--surface-muted);width:fit-content}.chip{padding:10px 16px;border:0;border-radius:var(--radius-pill);background:transparent;cursor:pointer}.chip.is-active{background:var(--text);color:var(--surface)}.tab-panel{margin-top:24px}.doc-page,.docs-landing{display:flex;flex-direction:column;gap:24px}.docs-groups{display:flex;flex-direction:column;gap:20px}.doc-content,.doc-hero,.doc-related,.doc-sequence,.doc-sources,.docs-group{padding:24px}.docs-group-head{margin-bottom:20px}.docs-group-head p:last-child{margin:10px 0 0;color:var(--text-muted);line-height:1.65}.docs-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.docs-card{display:flex;flex-direction:column;gap:10px;padding:18px;border:1px solid var(--border);border-radius:14px;background:var(--background);transition:transform .2s ease,border-color .2s ease,background-color .2s ease}.docs-card:focus-visible,.docs-card:hover{transform:translateY(-2px);border-color:var(--text);background:#fcfcfa}.docs-card p{margin:0;color:var(--text-muted);line-height:1.65}.mdx-content{color:var(--text)}.mdx-content>:first-child{margin-top:0}.mdx-content h1,.mdx-content h2,.mdx-content h3{margin-top:1.6em;margin-bottom:.6em}.command-copy h1,.doc-hero h1,.mdx-content h1,.mdx-content h2,.mdx-content h3{overflow:visible;text-overflow:clip;white-space:normal}.mdx-content li,.mdx-content p{color:var(--text-muted);line-height:1.8}.mdx-content ol,.mdx-content ul{padding-left:1.4rem}.mdx-content pre{overflow-x:auto;margin:1rem 0;padding:16px;border:1px solid #e6e8ef;border-radius:14px;background:#f6f7fb;font-size:13px;line-height:1.7}.doc-figure{margin:1.4rem 0 1.6rem;border:1px solid var(--border);border-radius:20px;background:linear-gradient(180deg,rgba(255,251,245,.95),rgba(255,255,255,.98));overflow:hidden}.doc-figure-header{display:flex;flex-direction:column;gap:4px;padding:16px 18px 14px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.72)}.doc-figure-header strong{font-size:.94rem}.doc-figure-header span{color:var(--text-muted);font-size:.84rem;line-height:1.6}.doc-figure-body{padding:18px}.history-figure{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:18px;align-items:center}.history-lane{display:flex;flex-direction:column;gap:12px}.history-lane-header span{color:var(--text-muted);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}.history-branches{gap:12px}.history-branch,.history-branches{display:flex;flex-direction:column}.history-branch{gap:8px}.history-branch-offset{padding-left:28px}.history-branch-name{color:var(--text-muted);font-size:.82rem;font-weight:600}.history-nodes{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.history-node{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:34px;padding:0 10px;border-radius:999px;border:1px solid var(--border);background:#fff;font-size:.82rem;font-weight:600}.history-node-accent{border-color:rgba(255,132,0,.28);background:rgba(255,132,0,.12);color:#8d4c00}.history-arrow{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 14px;border-radius:999px;background:var(--surface-muted);color:var(--text-muted);font-size:.8rem;font-weight:600;white-space:nowrap}.reset-figure{display:flex;flex-direction:column;gap:10px}.reset-grid{display:grid;grid-template-columns:minmax(90px,1fr) repeat(3,minmax(88px,1fr));gap:10px}.reset-grid>em,.reset-grid>span,.reset-grid>strong{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 10px;border-radius:14px}.reset-grid-head span,.reset-grid-head strong{background:var(--surface-muted);font-size:.8rem}.reset-impact{border:1px solid var(--border);background:#fff;color:var(--text-muted);font-size:.8rem;font-style:normal}.reset-impact-on{border-color:rgba(255,132,0,.24);background:rgba(255,132,0,.1);color:#8d4c00}.reset-impact-danger{border-color:rgba(180,64,32,.18);background:rgba(180,64,32,.08);color:#8c3c2a}.stash-figure{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr);gap:14px;align-items:center}.stash-box{display:flex;flex-direction:column;gap:6px;padding:16px;border:1px solid var(--border);border-radius:18px;background:#fff}.stash-box strong{font-size:.9rem}.stash-box span{color:var(--text-muted);font-size:.8rem}.stash-box-accent{border-color:rgba(255,132,0,.24);background:rgba(255,132,0,.08)}.stash-arrow-group{display:flex;flex-direction:column;align-items:center;gap:8px}.stash-arrow-label{color:var(--text-muted);font-size:.78rem;font-weight:600;white-space:nowrap}.stash-arrow{width:40px;height:2px;background:var(--border);position:relative}.stash-arrow:after{content:"";position:absolute;top:-4px;right:-1px;border-top:5px solid transparent;border-bottom:5px solid transparent;border-left:8px solid var(--border)}.mdx-content code{font-size:.95em}.doc-sources ul{margin:0;padding-left:1.4rem}.doc-sources li+li{margin-top:8px}.doc-sources a{color:var(--primary);word-break:break-all}.sequence-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.sequence-card{display:flex;flex-direction:column;gap:10px;min-height:160px;padding:18px;border:1px solid var(--border);border-radius:14px;background:var(--background);transition:transform .2s ease,border-color .2s ease,background-color .2s ease}.sequence-card:focus-visible,.sequence-card:hover{transform:translateY(-2px);border-color:var(--text);background:#fcfcfa}.sequence-card span{color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em}.sequence-card strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sequence-card p{margin:0;color:var(--text-muted);line-height:1.65}.sequence-card.is-empty{visibility:hidden}.command-doc-content{margin-top:24px}.two-column{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px}.primary-stack,.secondary-stack{gap:20px}.detail-card,.side-card{padding:20px}.detail-card{gap:16px}.detail-card pre{margin:0;overflow-x:auto;padding:16px;border-radius:14px;background:#f6f7fb;border:1px solid #e6e8ef;font-size:13px;line-height:1.6}.detail-card ol{margin:0;padding-left:18px;color:var(--text-muted);line-height:1.8}.warning-card{background:#f6f3ea}@media (max-width:1120px){.doc-search{top:18px;right:18px}.search-trigger-text{display:none}.search-overlay{padding:72px 16px 16px}.command-hero,.cta,.dual-section,.hero,.shell,.two-column{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.content{padding-top:0}.history-figure,.sequence-grid,.stash-figure{grid-template-columns:1fr}.history-arrow,.stash-arrow-group{justify-self:start}.reset-grid{grid-template-columns:1fr}}@media (max-width:860px){.shell{grid-template-columns:1fr}.sidebar{gap:18px;border-right:0;border-bottom:1px solid var(--border)}.content{padding:20px}.card-grid-three,.docs-list,.meta-grid{grid-template-columns:1fr}.section-head{flex-direction:column;align-items:start}h1{font-size:1.38rem}h2{font-size:1.02rem}}