:root{--color-bg:#fff;--color-ink:#071326;--color-body:#506580;--color-muted:#71839a;--color-brand:#087bff;--color-action:#0069ed;--color-action-hover:#0057c8;--color-tint:#eff7ff;--color-soft:#f7faff;--color-line:#dce8f5;--color-selected:#e8f2ff;--color-focus:#145cff;--color-btn-ghost-border:#c9dff5;--grad-geo:linear-gradient(98deg, #109aff 8%, #0767f3 92%);--font-sans:"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Arial, "Helvetica Neue", Helvetica, sans-serif;--container-max:1280px;--container-pad:80px;--gap-section:88px;--gap-block:24px;--gap-item:16px;--radius-panel:22px;--radius-card:18px;--radius-btn:14px;--radius-btn-nav:12px;--shadow-panel:0 30px 70px -38px #073c8c47, 0 10px 26px -16px #073c8c1f;--shadow-card:0 14px 34px -22px #073c8c33;--dur-fast:.18s;--dur-fade:.18s;--dur-reveal:.24s;--ease-out:cubic-bezier(.22, .61, .36, 1);--header-h:88px;--header-h-mobile:72px}@media (width<=1439px){:root{--container-pad:48px}}@media (width<=1199px){:root{--container-pad:40px;--gap-section:72px}}@media (width<=1023px){:root{--container-pad:32px;--gap-section:64px}}@media (width<=767px){:root{--container-pad:20px;--gap-section:56px;--header-h:var(--header-h-mobile)}}@media (width<=374px){:root{--container-pad:16px;--gap-section:48px}}*,:before,:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}body{font-family:var(--font-sans);color:var(--color-body);background:var(--color-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-size:18px;line-height:1.75}img,svg,video{max-width:100%;display:block}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;padding:0}a{color:inherit;text-decoration:none}ul,ol{padding:0;list-style:none}table{border-collapse:collapse;width:100%}:focus-visible{outline:3px solid var(--color-focus);outline-offset:2px;border-radius:4px}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}h1,h2,h3,h4{color:var(--color-ink);letter-spacing:-.02em;overflow-wrap:anywhere;line-height:1.25}h1,h2{text-wrap:balance}h1{font-size:60px;font-weight:800;line-height:1.18}h2{font-size:44px;font-weight:800;line-height:1.25}h3{font-size:26px;font-weight:650;line-height:1.35}h4{font-size:20px;font-weight:650;line-height:1.4}p{overflow-wrap:anywhere}.lead{font-size:19px;line-height:1.8}.grad-text{background:var(--grad-geo);color:#0000;-webkit-background-clip:text;background-clip:text}@media (width<=1199px){h1{font-size:48px}h2{font-size:36px}h3{font-size:24px}body{font-size:17px}}@media (width<=767px){body{font-size:16px;line-height:1.8}h1{font-size:36px;line-height:1.22}h2{font-size:28px;line-height:1.3}h3{font-size:22px;line-height:1.4}.lead{font-size:17px}}@media (width<=374px){h1{font-size:34px}}.h1-home{font-size:88px;line-height:1.13}@media (width<=1199px){.h1-home{font-size:64px;line-height:1.14}}@media (width<=767px){.h1-home{font-size:42px;line-height:1.18}}@media (width<=374px){.h1-home{font-size:36px}}.container{max-width:calc(var(--container-max) + var(--container-pad) * 2);padding-inline:var(--container-pad);margin-inline:auto}.section{padding-block:var(--gap-section)}.section-tint{background:linear-gradient(180deg, #f3faff 0%, var(--color-tint) 55%, #eaf5ff 100%)}.section-soft{background:var(--color-soft)}.eyebrow{color:var(--color-brand);letter-spacing:.04em;margin-bottom:16px;font-size:15px;font-weight:600;display:block}.section-sub{max-width:640px;margin-top:16px}.section-head-row{justify-content:space-between;align-items:flex-end;gap:24px;display:flex}@media (width<=767px){.section-head-row{flex-direction:column;align-items:flex-start}}.btn{border-radius:var(--radius-btn);white-space:nowrap;height:56px;transition:background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);justify-content:center;align-items:center;gap:8px;padding-inline:24px;font-size:16px;font-weight:600;line-height:1;display:inline-flex}.btn-primary{background:var(--color-action);color:#fff}.btn-primary:hover{background:var(--color-action-hover)}.btn-secondary{color:var(--color-ink);border:1px solid var(--color-btn-ghost-border);background:#fff}.btn-secondary:hover{border-color:var(--color-brand);color:var(--color-action)}.btn-nav{border-radius:var(--radius-btn-nav);height:44px;padding-inline:20px}.btn .arrow{font-family:Arial,Helvetica Neue,sans-serif;font-weight:600}@media (width<=767px){.btn{height:50px;padding-inline:20px}}.text-link{color:var(--color-action);transition:color var(--dur-fast) var(--ease-out);align-items:center;gap:6px;font-size:15px;font-weight:600;display:inline-flex}.text-link:hover{color:var(--color-action-hover);text-underline-offset:4px;text-decoration:underline}.example-tag{background:var(--color-selected);color:var(--color-action);letter-spacing:.02em;white-space:nowrap;border:1px solid #cfe4fb;border-radius:999px;align-items:center;padding:3px 10px;font-size:12px;font-weight:600;line-height:1.6;display:inline-flex}.check-list{gap:12px;display:grid}.check-list li{color:var(--color-body);align-items:flex-start;gap:10px;display:flex}.check-list .check-icon{background:var(--color-brand);color:#fff;border-radius:50%;flex:none;width:20px;height:20px;margin-top:4px;padding:4px}.icon-orb{width:64px;height:64px;color:var(--color-action);background:linear-gradient(160deg,#e3f1ff,#cfe6ff);border-radius:20px;place-items:center;display:grid}.icon-orb svg{width:30px;height:30px}.breadcrumb{color:var(--color-muted);flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;display:flex}.breadcrumb a{color:var(--color-muted);transition:color var(--dur-fast) var(--ease-out)}.breadcrumb a:hover{color:var(--color-action)}.breadcrumb .sep{color:#b6c5d8}.breadcrumb [aria-current=page]{color:var(--color-body);font-weight:600}.page-hero{padding-block:40px 72px;position:relative;overflow:hidden}.page-hero .breadcrumb{margin-bottom:32px}.page-hero h1{max-width:820px}.page-hero .hero-sub{max-width:640px;margin-top:20px;font-size:19px}.page-hero .hero-actions{flex-wrap:wrap;gap:16px;margin-top:32px;display:flex}.page-hero .hero-note{color:var(--color-muted);margin-top:16px;font-size:14px}@media (width<=767px){.page-hero{padding-block:24px 48px}.page-hero h1{font-size:36px}.page-hero .hero-sub{font-size:17px}.page-hero .hero-actions .btn{flex:auto}}.deco-arc{pointer-events:none;z-index:0;position:absolute}@media (prefers-reduced-motion:no-preference){html.js [data-reveal]{opacity:0;transform:translateY(10px)}html.js [data-reveal].is-visible{opacity:1;transition:opacity var(--dur-reveal) var(--ease-out), transform var(--dur-reveal) var(--ease-out);transform:none}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}::selection{color:var(--color-ink);background:#cfe6ff}.demo-panel{border-radius:var(--radius-panel);box-shadow:var(--shadow-panel);background:#fff;border:1px solid #e3eefb;padding:18px 22px 22px;position:relative}.demo-panel .panel-chrome{gap:6px;margin-bottom:14px;display:flex}.demo-panel .panel-chrome span{background:#dbe7f6;border-radius:50%;width:9px;height:9px}.demo-panel .panel-chrome span:first-child{background:#b9d7f5}.demo-panel .panel-tag{position:absolute;top:16px;right:18px}.col-title{color:var(--color-ink);margin-bottom:12px;font-size:15px;font-weight:650}.col-subtitle{color:var(--color-muted);margin-bottom:8px;font-size:13px;font-weight:600}.chart-title{color:var(--color-ink);justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px;font-size:13.5px;font-weight:650;display:flex}@media (width<=767px){.demo-panel{border-radius:18px;padding:14px 14px 16px}}.logo[data-astro-cid-f7espo7c]{align-items:center;gap:10px;display:inline-flex}.logo[data-astro-cid-f7espo7c] img[data-astro-cid-f7espo7c]{border-radius:9px;width:36px;height:36px}.word[data-astro-cid-f7espo7c]{letter-spacing:-.01em;color:var(--color-ink);font-size:21px;font-weight:800;line-height:1}.word[data-astro-cid-f7espo7c] b[data-astro-cid-f7espo7c]{color:var(--color-brand);font-weight:800}.site-header[data-astro-cid-fzpbxy5g]{z-index:50;backdrop-filter:blur(10px);transition:border-color var(--dur-fast) var(--ease-out);background:#fffffff0;border-bottom:1px solid #0000;position:sticky;top:0}.site-header[data-astro-cid-fzpbxy5g].is-scrolled{border-bottom-color:var(--color-line)}.inner[data-astro-cid-fzpbxy5g]{height:var(--header-h);align-items:center;gap:40px;display:flex}.main-nav[data-astro-cid-fzpbxy5g]{align-items:center;gap:8px;font-size:16px;font-weight:600;display:flex}.main-nav[data-astro-cid-fzpbxy5g]>a[data-astro-cid-fzpbxy5g],.guide-wrap[data-astro-cid-fzpbxy5g]>a[data-astro-cid-fzpbxy5g]{color:var(--color-ink);transition:color var(--dur-fast) var(--ease-out);border-radius:8px;padding:8px 12px;position:relative}.main-nav[data-astro-cid-fzpbxy5g]>a[data-astro-cid-fzpbxy5g]:hover,.guide-wrap[data-astro-cid-fzpbxy5g]>a[data-astro-cid-fzpbxy5g]:hover,.main-nav[data-astro-cid-fzpbxy5g]>a[data-astro-cid-fzpbxy5g][aria-current=page],.guide-wrap[data-astro-cid-fzpbxy5g]>a[data-astro-cid-fzpbxy5g][aria-current=page]{color:var(--color-action)}.main-nav[data-astro-cid-fzpbxy5g]>a[data-astro-cid-fzpbxy5g][aria-current=page]:after,.guide-wrap[data-astro-cid-fzpbxy5g]>a[data-astro-cid-fzpbxy5g][aria-current=page]:after{content:"";background:var(--color-action);border-radius:2px;height:2.5px;position:absolute;bottom:2px;left:12px;right:12px}.guide-wrap[data-astro-cid-fzpbxy5g]{align-items:center;display:flex;position:relative}.guide-toggle[data-astro-cid-fzpbxy5g]{width:24px;height:24px;color:var(--color-muted);transition:color var(--dur-fast) var(--ease-out);border-radius:6px;place-items:center;margin-left:-6px;display:grid}.guide-toggle[data-astro-cid-fzpbxy5g]:hover,.guide-toggle[data-astro-cid-fzpbxy5g][aria-expanded=true]{color:var(--color-action)}.guide-toggle[data-astro-cid-fzpbxy5g] svg[data-astro-cid-fzpbxy5g]{transition:transform var(--dur-fast) var(--ease-out)}.guide-toggle[data-astro-cid-fzpbxy5g][aria-expanded=true] svg[data-astro-cid-fzpbxy5g]{transform:rotate(180deg)}.guide-menu[data-astro-cid-fzpbxy5g]{border:1px solid var(--color-line);width:320px;box-shadow:var(--shadow-card);background:#fff;border-radius:16px;padding:16px;position:absolute;top:calc(100% + 12px);left:0}.menu-title[data-astro-cid-fzpbxy5g]{color:var(--color-muted);border-bottom:1px solid var(--color-line);padding:2px 10px 8px;font-size:13px;font-weight:600}.guide-menu[data-astro-cid-fzpbxy5g] ul[data-astro-cid-fzpbxy5g]{padding-block:8px}.guide-menu[data-astro-cid-fzpbxy5g] li[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]{transition:background-color var(--dur-fast) var(--ease-out);border-radius:10px;gap:1px;padding:9px 10px;display:grid}.guide-menu[data-astro-cid-fzpbxy5g] li[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]:hover{background:var(--color-selected)}.guide-menu[data-astro-cid-fzpbxy5g] li[data-astro-cid-fzpbxy5g] strong[data-astro-cid-fzpbxy5g]{color:var(--color-ink);font-size:15px;font-weight:650}.guide-menu[data-astro-cid-fzpbxy5g] li[data-astro-cid-fzpbxy5g] span[data-astro-cid-fzpbxy5g]{color:var(--color-muted);font-size:13px;line-height:1.5}.menu-foot[data-astro-cid-fzpbxy5g]{border-top:1px solid var(--color-line);color:var(--color-muted);justify-content:space-between;align-items:center;gap:12px;padding:10px;font-size:13px;display:flex}.menu-foot[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]{color:var(--color-action);font-weight:600}.menu-foot[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]:hover{text-underline-offset:4px;text-decoration:underline}.actions[data-astro-cid-fzpbxy5g]{align-items:center;gap:20px;margin-left:auto;display:flex}.login[data-astro-cid-fzpbxy5g]{color:var(--color-ink);transition:color var(--dur-fast) var(--ease-out);font-size:16px;font-weight:600}.login[data-astro-cid-fzpbxy5g]:hover{color:var(--color-action)}.mobile-toggle[data-astro-cid-fzpbxy5g]{width:44px;height:44px;color:var(--color-ink);border-radius:10px;place-items:center;margin-left:auto;display:none}.mobile-toggle[data-astro-cid-fzpbxy5g] .icon-close,.mobile-toggle[data-astro-cid-fzpbxy5g][aria-expanded=true] .icon-open{display:none}.mobile-toggle[data-astro-cid-fzpbxy5g][aria-expanded=true] .icon-close{display:block}.mobile-nav[data-astro-cid-fzpbxy5g]{border-top:1px solid var(--color-line);max-height:calc(100dvh - var(--header-h));background:#fff;display:none;overflow-y:auto}.mobile-nav[data-astro-cid-fzpbxy5g] nav[data-astro-cid-fzpbxy5g]{padding-block:12px 24px}.mobile-links[data-astro-cid-fzpbxy5g] li[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]{color:var(--color-ink);border-bottom:1px solid var(--color-line);padding:12px 4px;font-size:17px;font-weight:600;display:block}.mobile-links[data-astro-cid-fzpbxy5g] li[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g][aria-current=page]{color:var(--color-action)}.mobile-sub[data-astro-cid-fzpbxy5g]{color:var(--color-muted);margin-top:16px;font-size:13px;font-weight:600}.mobile-topics[data-astro-cid-fzpbxy5g]{margin-top:4px}.mobile-topics[data-astro-cid-fzpbxy5g] li[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]{border-bottom:1px dashed var(--color-line);color:var(--color-ink);padding:10px 4px;font-size:15px;font-weight:600;display:grid}.mobile-topics[data-astro-cid-fzpbxy5g] li[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g] span[data-astro-cid-fzpbxy5g]{color:var(--color-muted);font-size:13px;font-weight:400}.mobile-actions[data-astro-cid-fzpbxy5g]{grid-template-columns:1fr 1fr;gap:12px;margin-top:20px;display:grid}@media (width<=1023px){.main-nav[data-astro-cid-fzpbxy5g],.actions[data-astro-cid-fzpbxy5g]{display:none}.mobile-toggle[data-astro-cid-fzpbxy5g]{display:grid}.mobile-nav[data-astro-cid-fzpbxy5g]:not([hidden]){display:block}.inner[data-astro-cid-fzpbxy5g]{height:var(--header-h-mobile)}}.site-footer[data-astro-cid-nns7i3if]{border-top:1px solid var(--color-line);background:#fff;padding-block:28px 24px}.top[data-astro-cid-nns7i3if]{flex-wrap:wrap;align-items:center;gap:24px;display:flex}.footer-logo[data-astro-cid-nns7i3if] .word{font-size:18px}.footer-logo[data-astro-cid-nns7i3if] img{width:30px;height:30px}.note[data-astro-cid-nns7i3if]{color:var(--color-muted);font-size:14px}.links[data-astro-cid-nns7i3if]{color:var(--color-body);flex-wrap:wrap;align-items:center;gap:4px;margin-left:auto;font-size:14px;display:flex}.links[data-astro-cid-nns7i3if] a[data-astro-cid-nns7i3if]{transition:color var(--dur-fast) var(--ease-out);border-radius:8px;padding:6px 10px}.links[data-astro-cid-nns7i3if] a[data-astro-cid-nns7i3if]:hover{color:var(--color-action)}.bottom[data-astro-cid-nns7i3if]{border-top:1px solid var(--color-line);color:var(--color-muted);flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:18px;padding-top:16px;font-size:13px;line-height:1.7;display:flex}@media (width<=767px){.top[data-astro-cid-nns7i3if]{flex-direction:column;align-items:flex-start;gap:12px}.links[data-astro-cid-nns7i3if]{margin-left:0}}.skip-link[data-astro-cid-c6rkp36v]{z-index:100;background:var(--color-action);color:#fff;transition:top var(--dur-fast) var(--ease-out);border-radius:10px;padding:10px 16px;font-weight:600;position:fixed;top:-64px;left:16px}.skip-link[data-astro-cid-c6rkp36v]:focus-visible{top:12px}