:root:lang(zh-CN){--lang-cjk-head:MiSans;--lang-cjk-body:MiSans}:root:lang(ko){--lang-cjk-head:Pretendard;--lang-cjk-body:Pretendard}.numeric{font-family:Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums}.demo-document,.demo-document body{min-height:0!important;background:transparent!important}.demo-document body{margin:0}.demo-document button{min-height:44px}@media(max-width:600px){.claim-desktop-only{display:none!important}}@media(max-width:360px){.demo-document [role=radiogroup] button{flex-wrap:wrap;gap:8px!important}.demo-document [role=radiogroup]{flex-wrap:wrap}.demo-document img{max-width:100%;object-fit:contain}.demo-document #demo-surface{padding:2px!important}.demo-document .card>div:first-child{flex-wrap:wrap;gap:10px}.demo-document .card>div:first-child>div{flex-wrap:wrap}}:root{--font-head: "Space Grotesk", var(--lang-cjk-head, "Noto Sans SC"), system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;--font-body: "Inter", var(--lang-cjk-body, "Noto Sans SC"), system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, var(--lang-cjk-body, "Noto Sans SC"), monospace;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--shadow-1: 0 1px 2px rgba(12, 12, 23, .05), 0 4px 16px rgba(12, 12, 23, .06);--shadow-2: 0 2px 6px rgba(12, 12, 23, .08), 0 16px 40px rgba(12, 12, 23, .12);--dur-fast: .16s;--dur-base: .26s;--ease: cubic-bezier(.22, .61, .36, 1);--header-h: 64px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--background);color:var(--foreground);line-height:1.65;-webkit-font-smoothing:antialiased;font-size:16px}h1,h2,h3,h4{font-family:var(--font-head);line-height:1.2;letter-spacing:-.01em}code,pre,.mono{font-family:var(--font-mono)}a{color:inherit}button{font-family:inherit}:focus-visible{outline:2px solid var(--ring);outline-offset:2px;border-radius:4px}::selection{background:var(--posx-purple-200);color:var(--posx-navy-900)}.dark ::selection{background:var(--posx-purple-700);color:var(--posx-purple-50)}.container{max-width:1200px;margin:0 auto;padding:0 28px}.section{padding:72px 0}.section-tight{padding:44px 0}.eyebrow{font:600 12px/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--primary);display:inline-flex;align-items:center;gap:8px;margin-bottom:14px}.eyebrow:before{content:"";width:20px;height:2px;background:var(--primary);border-radius:2px}.sec-title{font-size:clamp(26px,3.4vw,36px);margin-bottom:12px}.lead{font-size:17px;color:var(--text-secondary);max-width:720px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:26px;box-shadow:var(--shadow-1);transition:transform var(--dur-base) var(--ease),box-shadow var(--dur-base) var(--ease),border-color var(--dur-base) var(--ease)}a.card{display:block;text-decoration:none}.card:hover{border-color:var(--ring);box-shadow:var(--shadow-2)}a.card:hover{transform:translateY(-3px)}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(min(420px,100%),1fr))}.grid-3{grid-template-columns:repeat(auto-fill,minmax(min(320px,100%),1fr))}.grid-4{grid-template-columns:repeat(auto-fill,minmax(min(240px,100%),1fr))}.btn{display:inline-flex;align-items:center;gap:8px;font:500 15px var(--font-body);padding:11px 22px;border-radius:999px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:background var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease),transform var(--dur-fast) var(--ease)}.btn:active{transform:scale(.98)}.btn-primary{background:var(--button-primary-bg);color:var(--button-primary-text)}.btn-primary:hover{background:var(--button-primary-bg-hover)}.btn-ghost{background:transparent;color:var(--foreground);border-color:var(--border)}.btn-ghost:hover{border-color:var(--ring);background:var(--secondary)}.btn-sm{padding:7px 16px;font-size:13px}.chip{display:inline-flex;align-items:center;gap:6px;font:500 12px var(--font-mono);padding:3px 10px;border-radius:999px;background:var(--accent);color:var(--accent-foreground);border:1px solid transparent}.chip-outline{background:transparent;border-color:var(--border);color:var(--text-secondary)}.chip-gold{background:var(--vip-badge-bg);color:var(--vip-badge-text)}.chip-ok{background:var(--posx-success-100);color:var(--posx-success-700)}.dark .chip-ok{background:var(--posx-teal-900);color:var(--posx-teal-300)}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--card)}table.ds{width:100%;border-collapse:collapse;font-size:14px}table.ds th{text-align:left;font:600 12px var(--font-mono);letter-spacing:.06em;color:var(--text-muted);text-transform:uppercase;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--surface-2)}table.ds td{padding:11px 16px;border-bottom:1px solid var(--border);vertical-align:middle}table.ds tr:last-child td{border-bottom:0}table.ds tr:hover td{background:var(--table-row-hover)}.codeblock{position:relative;background:var(--posx-navy-900);color:var(--posx-navy-100);border-radius:var(--radius-md);font:13px/1.75 var(--font-mono);overflow:hidden}.dark .codeblock{background:var(--posx-navy-950);border:1px solid var(--border)}.codeblock pre{padding:18px 20px;overflow-x:auto}.codeblock .cb-head{display:flex;justify-content:space-between;align-items:center;padding:8px 14px 8px 20px;border-bottom:1px solid rgba(255,255,255,.08);font:500 11px var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--posx-navy-300)}.codeblock .cb-copy{background:#ffffff0f;color:var(--posx-navy-100);border:0;border-radius:6px;padding:5px 12px;font:500 12px var(--font-body);cursor:pointer}.codeblock .cb-copy:hover{background:#ffffff24}.swatch{display:inline-block;border-radius:6px;border:1px solid var(--border);width:20px;height:20px;vertical-align:-5px}.copychip{display:inline-flex;align-items:center;gap:8px;font:500 13px var(--font-mono);padding:4px 10px;border-radius:8px;background:var(--surface-2);border:1px solid var(--border);cursor:pointer;color:var(--foreground);transition:border-color var(--dur-fast) var(--ease)}.copychip:hover{border-color:var(--ring)}.site-header{position:sticky;top:0;z-index:100;height:var(--header-h);background:color-mix(in srgb,var(--background) 82%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}.site-header .container{height:100%;display:flex;align-items:center;gap:22px}.site-header .logo img{height:24px;display:block}.site-header .logo .logo-white{display:none}.dark .site-header .logo .logo-white{display:block}.dark .site-header .logo .logo-primary{display:none}.main-nav{display:flex;gap:2px;margin-left:10px}.main-nav a{font-size:14px;text-decoration:none;color:var(--text-secondary);padding:7px 13px;border-radius:999px;transition:background var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease)}.main-nav a:hover{color:var(--foreground);background:var(--secondary)}.main-nav a.active{color:var(--primary);background:var(--accent);font-weight:600}.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}.ver-chip{font:500 12px var(--font-mono);color:var(--text-muted)}.icon-btn{display:inline-flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--border);color:var(--foreground);border-radius:999px;padding:7px 14px;font:500 13px var(--font-body);cursor:pointer;transition:border-color var(--dur-fast) var(--ease)}.icon-btn:hover{border-color:var(--ring)}.icon-btn kbd{font:500 10px var(--font-mono);background:var(--surface-2);border:1px solid var(--border);border-radius:4px;padding:1px 5px;color:var(--text-muted)}@media(max-width:860px){.main-nav{display:none}.desktop-only{display:none!important}}@media(min-width:861px){.menu-btn{display:none}}.lang-select{appearance:none;-webkit-appearance:none;background:var(--card);border:1px solid var(--border);color:var(--foreground);border-radius:999px;padding:7px 30px 7px 14px;font:500 13px var(--font-body);cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,currentColor 50%),linear-gradient(135deg,currentColor 50%,transparent 50%);background-position:right 16px top 55%,right 12px top 55%;background-size:4px 4px,4px 4px;background-repeat:no-repeat;transition:border-color var(--dur-fast) var(--ease)}.lang-select:hover{border-color:var(--ring)}.mobile-menu{border-top:1px solid var(--border);background:var(--background);padding:12px 0 16px;box-shadow:var(--shadow-2)}.mobile-menu .container{display:grid;gap:4px}.mobile-menu a{text-decoration:none;color:var(--text-secondary);padding:11px 14px;border-radius:10px;font-size:15px}.mobile-menu a:hover{background:var(--secondary);color:var(--foreground)}.mobile-menu a.active{color:var(--primary);background:var(--accent);font-weight:600}.mobile-menu-row{display:flex;gap:10px;padding:10px 14px 0;align-items:center}.site-footer{border-top:1px solid var(--border);margin-top:40px;background:var(--surface-2)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding:56px 0 40px}@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}.site-footer .f-brand img{height:22px;margin-bottom:16px}.site-footer .f-brand .logo-white{display:none}.dark .site-footer .f-brand .logo-white{display:block}.dark .site-footer .f-brand .logo-primary{display:none}.site-footer .f-brand p{font-size:13.5px;color:var(--text-muted);max-width:300px}.site-footer h4{font:600 12px var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:14px}.site-footer ul{list-style:none;display:grid;gap:9px}.site-footer ul a{font-size:14px;color:var(--text-secondary);text-decoration:none}.site-footer ul a:hover{color:var(--primary)}.footer-meta{border-top:1px solid var(--border);padding:18px 0;display:flex;flex-wrap:wrap;gap:8px 24px;font-size:12.5px;color:var(--text-muted)}.palette-overlay{position:fixed;inset:0;z-index:200;background:#0c0c1773;display:flex;align-items:flex-start;justify-content:center;padding:12vh 20px 20px;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.palette{width:min(640px,100%);background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-2);overflow:hidden}.palette input{width:100%;border:0;outline:none;background:transparent;padding:18px 22px;font:400 16px var(--font-body);color:var(--foreground);border-bottom:1px solid var(--border)}.palette .hits{max-height:46vh;overflow-y:auto;padding:8px}.palette .hit{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:transparent;border:0;padding:10px 14px;border-radius:10px;cursor:pointer;font:500 14px var(--font-mono);color:var(--foreground)}.palette .hit:hover,.palette .hit.sel{background:var(--accent)}.palette .hit .h-note{font:400 12px var(--font-body);color:var(--text-muted);margin-left:auto;max-width:45%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.palette .empty{padding:26px;text-align:center;color:var(--text-muted);font-size:14px}.page-hero{padding:68px 0 44px;border-bottom:1px solid var(--border);position:relative;overflow:hidden}.page-hero h1{font-size:clamp(32px,4.4vw,46px);margin-bottom:14px}.page-hero .lead{font-size:17px}.home-hero{position:relative;overflow:hidden;padding:110px 0 90px}.home-hero .aurora{position:absolute;inset:-40% -20%;background:radial-gradient(38% 42% at 22% 30%,color-mix(in srgb,var(--posx-purple-500) 34%,transparent),transparent 70%),radial-gradient(32% 38% at 78% 22%,color-mix(in srgb,var(--posx-teal-400) 22%,transparent),transparent 70%),radial-gradient(40% 44% at 62% 78%,color-mix(in srgb,var(--posx-azure-400) 20%,transparent),transparent 72%);filter:blur(40px);animation:aurora-drift 26s var(--ease) infinite alternate;pointer-events:none}@keyframes aurora-drift{0%{transform:translate3d(-3%,-2%,0) scale(1)}50%{transform:translate3d(3%,2%,0) scale(1.06)}to{transform:translate3d(-2%,3%,0) scale(1.02)}}.home-hero .watermark{position:absolute;right:-60px;bottom:-80px;width:420px;opacity:.05;pointer-events:none}.home-hero h1{font-size:clamp(40px,6vw,72px);letter-spacing:-.02em;line-height:1.05;margin:18px 0 22px;max-width:820px}.home-hero h1 .grad-text{background:var(--grad-brand-core);-webkit-background-clip:text;background-clip:text;color:transparent}.dark .home-hero h1 .grad-text{background:linear-gradient(120deg,var(--posx-purple-400),var(--posx-teal-400));-webkit-background-clip:text;background-clip:text}.home-hero .lead{font-size:19px;max-width:640px;margin-bottom:36px}.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:18px}.stat{border-left:2px solid var(--border);padding:4px 0 4px 18px}.stat b{display:block;font:600 30px var(--font-head);color:var(--foreground)}.stat span{font-size:13px;color:var(--text-muted)}.skeleton{color:var(--text-muted);font-size:14px;padding:30px 0}.hr{border:0;border-top:1px solid var(--border);margin:0}.muted{color:var(--text-muted)}.small{font-size:13px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.home-hero .aurora{animation:none}*,*:before,*:after{transition-duration:.01ms!important}}@media print{.site-header,.site-footer,.hero-ctas{display:none}.card{box-shadow:none;break-inside:avoid}}