:root{--canvas:#f3f5f7;--surface:#fff;--panel:#fbfcfd;--panel-strong:#eef2f6;--line:#d6dde5;--line-strong:#b7c3cf;--ink:#11161d;--muted:#5b6470;--accent:#0f62fe;--accent-strong:#0a47b8;--success:#0c7a43;--shadow:0 20px 60px rgba(17,22,29,.08);--shadow-soft:0 10px 30px rgba(17,22,29,.06);--radius:24px;--radius-sm:16px;--container:min(1180px,calc(100vw - 40px));--header-height:88px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;overflow-x:hidden;background:var(--canvas);color:var(--ink);font:16px/1.65 "Avenir Next","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{border:0;background:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);border:0}
.skip-link{position:absolute;left:16px;top:-48px;padding:10px 16px;background:var(--ink);color:#fff;border-radius:999px;z-index:30;transition:top .2s ease}
.skip-link:focus{top:16px}
.container{width:var(--container);margin:0 auto}
.section{padding:92px 0}
.section-tight{padding-bottom:24px}
.section-contrast{background:var(--panel-strong);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{margin:0 0 14px;color:var(--accent);font-size:.82rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase}
.section-head{max-width:760px;margin:0 0 40px}
.section-head h1,.section-head h2,.hero-copy h1{margin:0 0 16px;line-height:1.04;letter-spacing:-.04em}
.section-head h1{font-size:clamp(2.6rem,5vw,4.25rem)}
.section-head h2{font-size:clamp(2rem,4vw,3.1rem)}
.section-head p,.hero-copy p,.feature-card p,.pricing-copy p,.note-card p,.footer-text,.comparison-table td,.comparison-table th{margin:0;color:var(--muted)}
.site-header{position:sticky;top:0;z-index:20;height:var(--header-height);background:rgba(243,245,247,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(214,221,229,.85)}
.header-inner{display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;height:100%}
.brand{display:flex;flex-direction:column;gap:4px}
.brand-mark{font-size:1.14rem;font-weight:800;letter-spacing:.02em}
.brand-sub{font-size:.82rem;color:var(--muted);letter-spacing:.08em}
.site-nav{display:flex;justify-content:center;gap:28px}
.site-nav a{position:relative;padding:8px 0;color:var(--muted);font-weight:600}
.site-nav a[aria-current=page],.site-nav a:hover{color:var(--ink)}
.site-nav a::after{content:"";position:absolute;left:0;bottom:-4px;width:100%;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:center;transition:transform .2s ease}
.site-nav a[aria-current=page]::after,.site-nav a:hover::after{transform:scaleX(1)}
.site-actions{display:flex;gap:12px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:999px;font-weight:700;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease}
.button:hover{transform:translateY(-1px) scale(1.02);box-shadow:var(--shadow-soft)}
.button-primary{background:var(--ink);color:#fff}
.button-primary:hover{background:#000}
.button-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink)}
.button-ghost:hover{background:var(--surface)}
.button-link{padding:0;min-height:auto;border:0;border-radius:0;color:var(--ink)}
.button-link:hover{transform:none;box-shadow:none;color:var(--accent-strong)}
.nav-toggle{display:none;position:relative;width:44px;height:44px;padding:10px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.nav-toggle span{display:block;width:100%;height:2px;margin:5px 0;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.hero{padding:calc(88px + var(--header-height)) 0 72px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(360px,.94fr);gap:44px;align-items:center}
.hero-copy h1{font-size:clamp(3rem,6vw,5.25rem)}
.hero-lead{margin:0 0 18px;font-size:1.18rem;color:var(--ink)!important;font-weight:700;letter-spacing:.02em}
.hero-text{max-width:640px}
.hero-actions{display:flex;gap:14px;margin:34px 0 26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0;list-style:none}
.hero-tags li{padding:9px 14px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.72);color:var(--muted);font-size:.92rem}
.hero-stage{position:relative;min-height:560px;padding:28px;border:1px solid var(--line);border-radius:32px;background:rgba(255,255,255,.88);box-shadow:var(--shadow);overflow:hidden}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%}
.parallax-plate{position:absolute;border:1px solid rgba(15,98,254,.2);background:rgba(255,255,255,.3);border-radius:28px;pointer-events:none}
.plate-a{inset:28px 32px auto auto;width:160px;height:160px}
.plate-b{inset:auto auto 40px 26px;width:220px;height:110px}
.hero-panel{position:absolute;max-width:310px;padding:22px;border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.86);box-shadow:var(--shadow-soft);backdrop-filter:blur(10px)}
.hero-panel strong{display:block;margin:0 0 10px;font-size:1.1rem;line-height:1.35}
.panel-label{margin:0 0 12px!important;color:var(--accent)!important;font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.hero-panel span{color:var(--muted)}
.hero-panel{right:34px;top:60px}
.hero-panel-alt{left:40px;bottom:54px}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.feature-card,.pricing-card,.note-card,.comparison-card,.cta-band{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-soft)}
.feature-card{overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.feature-card:hover,.pricing-card:hover,.note-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(15,98,254,.32)}
.feature-card img{aspect-ratio:16/10;object-fit:cover;background:var(--panel-strong)}
.feature-card h3,.note-card h3,.pricing-copy h2{margin:0 0 12px;letter-spacing:-.02em}
.feature-card h3{font-size:1.28rem}
.feature-card p,.feature-card h3{padding:0 22px}
.feature-card h3{margin-top:20px}
.feature-card p{padding-bottom:24px}
.comparison-card{padding:18px}
.comparison-table{width:100%;border-collapse:collapse}
.comparison-table caption{padding:6px 0 18px;font-size:1.15rem;font-weight:800;text-align:left}
.comparison-table th,.comparison-table td{padding:18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.comparison-table thead th{color:var(--ink);font-size:.92rem;text-transform:uppercase;letter-spacing:.08em}
.comparison-table tbody tr:last-child th,.comparison-table tbody tr:last-child td{border-bottom:0}
.cta-band{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;padding:34px;margin-top:42px}
.cta-band h2{margin:0 0 12px;font-size:clamp(1.8rem,3vw,2.8rem);line-height:1.08;letter-spacing:-.03em}
.cta-actions{display:flex;gap:18px;flex-wrap:wrap}
.pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.pricing-card{display:flex;flex-direction:column;overflow:hidden}
.pricing-card img{aspect-ratio:16/10;object-fit:cover;background:var(--panel-strong)}
.pricing-copy{display:flex;flex:1;flex-direction:column;gap:16px;padding:24px}
.plan-tag{color:var(--accent)!important;font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:.82rem}
.plan-start{margin:0;color:var(--ink)!important;font-size:clamp(2rem,4vw,2.8rem);font-weight:800;letter-spacing:-.05em;line-height:1}
.plan-summary{min-height:76px}
.plan-list{display:grid;gap:10px;padding:0;margin:0 0 8px;list-style:none}
.plan-list li{position:relative;padding-left:18px;color:var(--muted)}
.plan-list li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--ink)}
.plan-metrics{display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0;list-style:none}
.plan-metrics li{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--muted);font-size:.9rem}
.pricing-copy .button{margin-top:auto;width:max-content}
.pricing-card-emphasis{border-color:rgba(15,98,254,.38)}
.pricing-hero{padding-bottom:36px}
.pricing-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:stretch}
.pricing-hero-copy{max-width:none;margin:0}
.pricing-nav{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.pricing-nav a{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-weight:700;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.pricing-nav a:hover{transform:translateY(-1px);box-shadow:var(--shadow-soft);border-color:rgba(15,98,254,.32)}
.pricing-filter.is-active{background:var(--ink)!important;color:#fff;border-color:var(--ink);box-shadow:var(--shadow-soft)}
.pricing-hero-panel{display:flex;flex-direction:column;gap:18px;padding:24px;border:1px solid var(--line);border-radius:32px;background:var(--surface);box-shadow:var(--shadow-soft)}
.pricing-hero-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.pricing-hero-stats article{padding:16px;border:1px solid var(--line);border-radius:20px;background:var(--panel)}
.pricing-hero-stats strong{display:block;margin:0 0 6px;font-size:1.35rem;line-height:1.05;letter-spacing:-.03em}
.pricing-hero-stats span,.pricing-hero-note{color:var(--muted)}
.pricing-switcher.section{padding-top:4px;padding-bottom:16px}
.pricing-switcher-head{max-width:760px;margin-bottom:22px}
.pricing-block{display:none;scroll-margin-top:calc(var(--header-height) + 24px)}
.pricing-block.is-active{display:block}
.pricing-panel{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px;align-items:center;margin-bottom:24px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-soft)}
.pricing-panel h2{margin:0 0 12px;font-size:clamp(1.9rem,3vw,2.6rem);line-height:1.08;letter-spacing:-.03em}
.pricing-panel p{margin:0;color:var(--muted)}
.pricing-panel img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:24px;background:var(--panel-strong)}
.pricing-points{display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:18px 0 0;list-style:none}
.pricing-points li{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--muted);font-size:.92rem}
.pricing-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-soft)}
.pricing-table{width:100%;min-width:1120px;border-collapse:collapse}
.pricing-table th,.pricing-table td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.pricing-table thead th{background:#f6f8fb;color:var(--muted);font-size:.82rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.pricing-table tbody tr:hover td,.pricing-table tbody tr:hover th{background:#fbfdff}
.pricing-table tbody tr:last-child th,.pricing-table tbody tr:last-child td{border-bottom:0}
.pricing-table th[scope=row]{min-width:180px;color:var(--ink);font-size:1rem}
.pricing-table td{color:var(--muted)}
.price-cell{color:var(--ink)!important;font-weight:800;white-space:nowrap}
.note-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-bottom:34px}
.note-card{padding:26px}
.note-card h3{font-size:1.18rem}
.note-card p{line-height:1.8}
.site-footer{padding:32px 0 44px;border-top:1px solid var(--line);background:#eef2f5}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.2fr) auto auto;gap:24px;align-items:end}
.footer-brand{margin:0 0 8px;font-weight:800}
.footer-nav{display:flex;gap:18px;flex-wrap:wrap}
.footer-nav a{color:var(--muted);font-weight:600}
.footer-nav a:hover{color:var(--ink)}
.footer-copy{margin:0;color:var(--muted);text-align:right}
.footer-icp{margin:4px 0 0;font-size:.82rem;color:var(--muted);text-align:right;grid-column:1/-1}
.footer-icp a{color:var(--muted);text-decoration:none}
.footer-icp a:hover{color:var(--accent);text-decoration:underline}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

/* === Homepage V2 === */

/* Brand logo */
.brand{display:flex;align-items:center}
.brand-logo{height:112px;width:auto;object-fit:contain;flex-shrink:0}

/* Hero V2 — clean white */
.hero-v2{padding:calc(80px + var(--header-height)) 0 64px;background:#fff;text-align:center}
.hero-v2-inner{max-width:720px;margin:0 auto}
.hero-v2-title{margin:0 0 20px;font-size:clamp(2.8rem,6.5vw,4.5rem);line-height:1.06;letter-spacing:-.045em;font-weight:700;color:var(--ink)}
.hero-v2-desc{margin:0 auto 40px;max-width:540px;font-size:1.12rem;line-height:1.75;color:var(--muted)}
.hero-v2-actions{display:flex;justify-content:center;gap:14px}
.button-lg{min-height:52px;padding:0 30px;font-size:1rem}
.button-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.button-primary:hover{background:var(--accent-strong);border-color:var(--accent-strong)}
.button-secondary{background:transparent;border:1px solid var(--line-strong);color:var(--ink)}
.button-secondary:hover{background:var(--panel-strong);border-color:var(--accent)}

/* Stats Row */
.section-stats{padding:48px 0 56px;background:#fff;border-bottom:1px solid var(--line)}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-item{padding:0}
.stat-num{font-size:clamp(2.2rem,4.5vw,3.2rem);font-weight:700;letter-spacing:-.04em;line-height:1;color:var(--accent)}
.stat-unit{font-size:clamp(1rem,2vw,1.4rem);font-weight:600;color:var(--accent);opacity:.7}
.stat-label{margin:8px 0 0;font-size:.86rem;color:var(--muted);letter-spacing:.02em}

/* Section head center */
.section-head-center{text-align:center;margin-left:auto;margin-right:auto}

/* Feature Grid V2 */
.feature-grid-v2{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.fcard{display:flex;flex-direction:column;gap:16px}
.fcard img{width:100%;border-radius:16px;display:block}
.fcard h3{margin:0;font-size:1.14rem;font-weight:700;letter-spacing:-.02em;color:var(--ink)}
.fcard p{margin:4px 0 0;color:var(--muted);font-size:.92rem;line-height:1.65}

/* Why Section */
.section-why{background:var(--panel-strong);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.why-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.why-card{padding:32px 28px;border:1px solid var(--line);border-radius:20px;background:#fff;transition:transform .3s ease,box-shadow .3s ease}
.why-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.06)}
.why-card h3{margin:0 0 10px;font-size:1.08rem;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.why-card p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.65}

/* CTA V2 */
.cta-v2{text-align:center;padding:72px 40px;border-radius:24px;background:linear-gradient(135deg,#f0f5ff,#e8f0fe);border:1px solid rgba(15,98,254,.1)}
.cta-v2 h2{margin:0 0 12px;font-size:clamp(1.8rem,3.5vw,2.4rem);font-weight:700;letter-spacing:-.03em;color:var(--ink)}
.cta-v2 p{margin:0 0 28px;color:var(--muted);font-size:1.05rem}
.cta-v2-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* === Docs Page Redesign === */
[data-page="docs"]{display:flex;flex-direction:column;height:100vh;overflow:hidden}
[data-page="docs"] .site-header{flex-shrink:0;position:relative}
[data-page="docs"] .site-footer{flex-shrink:0}
.docs-page{flex:1;min-height:0;padding-top:0;overflow:hidden}
.docs-workspace.section{padding:0;height:100%}
.docs-layout{display:grid;grid-template-columns:280px 1fr;height:100%;overflow:hidden;border:none;border-radius:0;background:transparent;box-shadow:none}
[data-page="docs"] .container.docs-layout{width:100%;max-width:100%;margin:0}

/* Sidebar */
.docs-nav{overflow-y:auto;overscroll-behavior:contain;padding:0 12px 24px;border:0;border-right:1px solid var(--line);border-radius:0;background:var(--surface);box-shadow:none}
.docs-nav-overlay{display:none}
.docs-nav::-webkit-scrollbar{width:4px}
.docs-nav::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}

/* Sidebar Brand */
.docs-nav-head{padding:18px 12px 12px;margin-bottom:0}
.docs-nav-brand{display:flex;align-items:center;gap:12px}
.docs-nav-brand-mark{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:var(--accent);color:#fff;font-size:1.1rem;font-weight:800;flex-shrink:0}
.docs-nav-title{margin:0;font-size:1rem;font-weight:800;line-height:1.3}
.docs-nav-subtitle{margin:0;font-size:.78rem;color:var(--muted)}
.docs-nav-close,.docs-nav-toggle{display:none}
.docs-search{display:block;margin:0 12px 14px;position:relative}
.docs-search input{width:100%;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink);font-size:.88rem}
.docs-search input::placeholder{color:#8b94a0}
.docs-sidebar-results{position:absolute;top:100%;left:0;right:0;z-index:20;display:grid;gap:2px;padding:6px;margin:4px 0 0;list-style:none;max-height:320px;overflow:auto;border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:var(--shadow)}
.docs-sidebar-results[hidden]{display:none}
.sidebar-result-btn{display:block;width:100%;padding:8px 10px;border:0;background:transparent;text-align:left;cursor:pointer;font:inherit;border-radius:6px;transition:background .15s}
.sidebar-result-btn:hover{background:rgba(15,98,254,.06)}
.sidebar-result-title{display:block;color:var(--ink);font-weight:700;font-size:.88rem}
.sidebar-result-path{display:block;color:var(--muted);font-size:.76rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-result-empty{padding:10px;color:var(--muted);font-size:.86rem;text-align:center}
mark.search-highlight{background:rgba(15,98,254,.15);color:var(--accent);padding:1px 2px;border-radius:3px}
.docs-nav-tree,.docs-nav-tree ul{padding:0;margin:0;list-style:none}
.docs-nav-tree ul{padding-left:14px;border-left:1px solid rgba(214,221,229,.6)}
.docs-nav-tree li[hidden]{display:none}
.docs-nav-tree li{margin:2px 0}
.docs-nav-row{display:grid;grid-template-columns:22px minmax(0,1fr);align-items:start;gap:4px}
.docs-nav-toggle-item{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;margin-top:6px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);font-size:.78rem;font-weight:800;transition:all .2s ease}
.docs-nav-toggle-item::before{content:"+"}
.docs-nav-toggle-item:hover{border-color:rgba(15,98,254,.4);background:rgba(15,98,254,.06);color:var(--accent)}
.docs-nav-branch.is-open>.docs-nav-row .docs-nav-toggle-item{border-color:rgba(15,98,254,.3);background:rgba(15,98,254,.06);color:var(--accent)}
.docs-nav-branch.is-open>.docs-nav-row .docs-nav-toggle-item::before{content:"−"}
.docs-nav-branch:not(.is-open)>ul{display:none}
.docs-nav-tree a{display:block;padding:6px 10px;border-radius:8px;color:var(--muted);font-size:.88rem;line-height:1.45;overflow-wrap:anywhere;word-break:break-word;transition:all .15s ease}
.docs-nav-row>a{padding-left:4px}
.docs-nav-tree a:hover{background:var(--panel-strong);color:var(--ink)}
.docs-nav-tree a.is-active{background:rgba(15,98,254,.08);color:var(--accent);font-weight:600}

/* Docs Main Area */
.docs-main{display:flex;flex-direction:column;min-width:0;height:100%;overflow:hidden}

/* Docs Toolbar */
.docs-toolbar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:12px 28px;border-bottom:1px solid var(--line);background:var(--surface);flex-shrink:0}
.docs-toolbar-head{display:flex;align-items:center;gap:12px;margin-right:auto}
.docs-toolbar-title{margin:0;font-size:1rem;font-weight:800;color:var(--ink)}
.docs-toolbar-link{font-size:.84rem;color:var(--accent);font-weight:600}
.docs-toolbar-link:hover{text-decoration:underline}
.docs-breadcrumb{margin:0;color:var(--muted);font-size:.88rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.docs-breadcrumb strong{color:var(--ink)}

/* Content Grid: shell + outline */
.docs-content-grid{display:grid;grid-template-columns:1fr;flex:1;min-height:0;overflow:hidden}

/* Welcome Card */
.docs-welcome{text-align:center;padding:80px 32px;margin:24px 0;border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:0 2px 16px rgba(0,0,0,.04)}
.docs-welcome h2{margin:20px 0 12px;font-size:1.8rem;letter-spacing:-.03em}
.docs-welcome p{margin:0 auto;color:var(--muted);max-width:50ch}
.docs-welcome-icon{display:inline-flex;align-items:center;justify-content:center;width:72px;height:72px;border-radius:22px;background:linear-gradient(135deg,#eef2f6,#dde5ee);font-size:32px}

/* Content Shell */
.docs-shell{min-width:0;padding:0 32px 32px;border:0;background:transparent;box-shadow:none;border-radius:0;overflow-y:auto}
.docs-shell::-webkit-scrollbar{width:5px}
.docs-shell::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}

/* Right Outline */
.docs-outline{overflow-y:auto;padding:20px 16px;border-left:1px solid var(--line)}
.docs-outline::-webkit-scrollbar{width:3px}
.docs-outline::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.docs-outline-title{margin:0 0 12px;font-size:.78rem;font-weight:800;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.docs-outline-list{padding:0;margin:0;list-style:none}
.docs-outline-list li{margin:0}
.docs-outline-list a{display:block;padding:4px 0 4px 0;color:var(--muted);font-size:.84rem;line-height:1.5;border-left:2px solid transparent;padding-left:10px;transition:all .15s ease}
.docs-outline-list a:hover{color:var(--ink)}
.docs-outline-list a.is-active{color:var(--accent);border-left-color:var(--accent);font-weight:600}
.docs-outline-list .outline-depth-3{padding-left:22px}
.docs-outline-list .outline-depth-4{padding-left:34px}
.docs-outline-list .outline-depth-5{padding-left:46px}
.docs-outline:empty{display:none}

/* Doc Section Switching */
.doc-card{display:none;border:0;border-radius:0;background:transparent;box-shadow:none;overflow:hidden}
.doc-card.is-active{display:block;padding:36px;margin:20px 0 0;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:0 2px 16px rgba(0,0,0,.04);animation:docFadeIn .4s ease}
.doc-card+.doc-card{margin-top:0}
.doc-card:hover{transform:none;box-shadow:none;border-color:var(--line)}
.doc-card.is-active:hover{box-shadow:0 2px 16px rgba(0,0,0,.04);border-color:var(--line)}

.doc-heading{margin:0 0 22px;line-height:1.12;letter-spacing:-.03em;color:var(--ink);overflow-wrap:anywhere;word-break:break-word;padding:0 0 16px 16px;border-bottom:2px solid var(--panel-strong);border-left:4px solid var(--accent);border-radius:2px}
.doc-depth-0{font-size:2rem}
.doc-depth-1{font-size:1.5rem}
.doc-depth-2{font-size:1.18rem}
.doc-body>*:first-child{margin-top:0}
.doc-body h2,.doc-body h3,.doc-body h4,.doc-body h5{margin:28px 0 12px;line-height:1.16;letter-spacing:-.02em;color:var(--ink)}
.doc-body h2{font-size:1.45rem}
.doc-body h3{font-size:1.22rem}
.doc-body h4{font-size:1.06rem}
.doc-body p,.doc-body li,.doc-body td,.doc-body th{color:#495261;overflow-wrap:anywhere;word-break:break-word}
.doc-body p{margin:0 0 16px}
.doc-body ul,.doc-body ol{margin:0 0 18px;padding-left:20px}
.doc-body li+li{margin-top:6px}
.doc-body code{padding:2px 6px;border-radius:8px;background:#eef2f6;color:var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}
.doc-body pre{margin:0;white-space:pre-wrap;word-break:break-word;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92rem;line-height:1.7}
.code-block{margin:0 0 18px;padding:18px 20px;border:1px solid rgba(255,255,255,.08);border-radius:12px;background:#1a1f2e;color:#e7edf4;overflow:auto;font-size:.88rem;line-height:1.75}
.table-wrap{margin:0 0 18px;overflow:auto;border:1px solid var(--line);border-radius:18px}
.doc-body table{width:100%;border-collapse:collapse;background:var(--surface)}
.doc-body th,.doc-body td{padding:14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.doc-body tr:last-child td,.doc-body tr:last-child th{border-bottom:0}
.doc-img{display:block;width:84%;margin:18px auto;height:auto}
.doc-divider{border:none;border-top:1px solid rgba(15,98,254,.12);margin:22px 8%}
.doc-empty{margin:0;color:var(--muted)}
.docs-quickstart{margin-top:32px;padding:28px 24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.docs-quickstart h3{margin:0 0 20px;font-size:1.5rem;color:var(--accent)}
.quickstart-step{margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.quickstart-step:last-of-type{border-bottom:0;margin-bottom:12px;padding-bottom:0}
.quickstart-step h4{margin:0 0 8px;font-size:1.1rem;color:var(--ink)}
.quickstart-step p{margin:0 0 12px;color:var(--muted)}
.quickstart-tip{margin:16px 0 0;padding:14px 18px;border-radius:12px;background:rgba(15,98,254,.06);color:var(--accent);font-weight:600;text-align:center}

@keyframes docFadeIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

@media (prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*:before,*:after{animation:none!important;transition:none!important}
.reveal{opacity:1;transform:none}
}

@media (max-width:1080px){
.hero-grid,.note-grid,.feature-grid,.footer-grid,.cta-band,.pricing-hero-grid{grid-template-columns:1fr}
.hero-stage{order:-1;min-height:420px}
.footer-copy{text-align:left}
.pricing-panel{grid-template-columns:1fr}
.docs-layout{grid-template-columns:240px 1fr}
.docs-content-grid{grid-template-columns:1fr}
.feature-grid-v2{grid-template-columns:repeat(2,minmax(0,1fr))}
.why-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.stats-row{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:1180px){
.pricing-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:980px){
.pricing-table{min-width:0}
.pricing-table,.pricing-table thead,.pricing-table tbody,.pricing-table tr,.pricing-table th,.pricing-table td{display:block;width:100%}
.pricing-table thead{display:none}
.pricing-table-wrap{padding:18px}
.pricing-table tbody{display:grid;gap:16px}
.pricing-table tr{padding:18px;border:1px solid var(--line);border-radius:20px;background:var(--panel)}
.pricing-table th[scope=row]{min-width:0;padding:0 0 12px;margin:0 0 12px;border-bottom:1px solid var(--line);font-size:1.08rem}
.pricing-table td{display:grid;grid-template-columns:112px minmax(0,1fr);gap:12px;padding:8px 0;border-bottom:1px solid rgba(214,221,229,.8)}
.pricing-table td::before{content:attr(data-label);color:var(--muted);font-size:.8rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.pricing-table td:last-child{border-bottom:0}
.price-cell{white-space:normal}
}

@media (max-width:860px){
:root{--header-height:78px;--container:min(1180px,calc(100vw - 28px))}
.header-inner{grid-template-columns:auto auto auto;gap:14px}
.site-nav{position:absolute;left:14px;right:14px;top:calc(100% + 10px);display:grid;gap:10px;padding:16px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.98);box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(-10px);transition:opacity .2s ease,transform .2s ease}
.site-header.is-open .site-nav{opacity:1;pointer-events:auto;transform:none}
.site-actions{display:none}
.nav-toggle{display:block;justify-self:end}
.hero{padding-top:calc(58px + var(--header-height))}
.hero-v2{padding:calc(40px + var(--header-height)) 0 48px}
.hero-v2-actions{flex-direction:column;align-items:center}
.stats-row{grid-template-columns:repeat(2,1fr);gap:16px}
.feature-grid-v2{grid-template-columns:1fr}
.why-grid{grid-template-columns:1fr}
.cta-v2{padding:48px 24px;border-radius:20px}
.hero-copy h1{font-size:clamp(2.4rem,10vw,4rem)}
.hero-actions,.cta-actions{flex-direction:column;align-items:stretch}
.hero-actions .button,.pricing-copy .button{width:100%}
.hero-stage{padding:20px}
.hero-panel{max-width:250px;padding:18px}
.comparison-card{padding:12px}
.comparison-table caption{padding-left:6px}
.comparison-table,.comparison-table thead,.comparison-table tbody,.comparison-table tr,.comparison-table th,.comparison-table td{display:block}
.comparison-table thead{display:none}
.comparison-table tbody tr{padding:14px;border-bottom:1px solid var(--line)}
.comparison-table tbody tr:last-child{border-bottom:0}
.comparison-table th,.comparison-table td{padding:4px 8px;border:0}
.comparison-table th{color:var(--ink)}
.docs-layout{grid-template-columns:1fr}
[data-page="docs"]{display:block;height:auto;overflow:visible}
[data-page="docs"] .site-header{position:sticky}
.docs-page{height:auto;overflow:visible;flex:none}
.docs-nav{position:fixed;top:var(--header-height);left:0;width:260px;height:calc(100vh - var(--header-height));z-index:30;transform:translateX(-100%);transition:transform .25s ease;border-right:1px solid var(--line);box-shadow:var(--shadow)}
.docs-nav.is-open{transform:none}
.docs-nav-overlay{display:none;position:fixed;inset:0;top:var(--header-height);z-index:29;background:rgba(0,0,0,.3)}
.docs-nav-overlay.is-open{display:block}
.docs-content-grid{grid-template-columns:1fr}
.docs-main{height:auto;overflow:visible}
.docs-content-grid{overflow:visible}
.docs-shell{overflow-y:visible}
.docs-outline{display:none}
.docs-toolbar{padding:10px 16px}
.docs-toolbar-head .docs-menu-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font-size:1.1rem;cursor:pointer}
}

@media (max-width:760px){
.pricing-grid{grid-template-columns:1fr}
.pricing-nav{display:grid;grid-template-columns:1fr}
.pricing-hero-stats{grid-template-columns:1fr}
.pricing-table td{grid-template-columns:1fr;gap:4px}
}

@media (max-width:520px){
.section{padding:72px 0}
.hero{padding-bottom:48px}
.feature-card h3,.feature-card p,.pricing-copy,.note-card{padding-left:18px;padding-right:18px}
.feature-card p{padding-bottom:18px}
.hero-tags li{font-size:.86rem}
.doc-depth-0{font-size:1.65rem}
.doc-depth-1{font-size:1.32rem}
.pricing-panel{padding:18px}
.pricing-table th,.pricing-table td{padding:14px}
.cta-band{padding:24px}
.cta-actions{gap:16px}
.docs-shell{padding:16px}
.doc-card{padding:20px 0}
}