.pi-page{min-height:100vh;background:#0a0a0a;color:#e5e5e5;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}.pi-header{position:-webkit-sticky;position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 32px;height:56px;background:hsla(0,0%,4%,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid #1a1a1a}.pi-header__logo{font-size:20px;font-weight:800;color:#fff;text-decoration:none;letter-spacing:-.5px}.pi-header__nav{display:flex;gap:24px}.pi-header__nav a{font-size:14px;font-weight:500;color:#888;text-decoration:none;transition:color .15s}.pi-header__nav a:hover,.pi-header__nav a[aria-current=page]{color:#fff}.pi-main{padding:40px 24px 80px}.pi-container{max-width:780px;margin:0 auto}.pi-breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#666;margin-bottom:32px}.pi-breadcrumb a{color:#888;text-decoration:none}.pi-breadcrumb a:hover{color:#ccc;text-decoration:underline}.pi-breadcrumb__sep{color:#444}.pi-title{font-size:36px;font-weight:800;color:#fff;margin:0 0 12px;letter-spacing:-.5px;line-height:1.2}.pi-subtitle{font-size:17px;color:#999;margin:0 0 48px;line-height:1.6}.pi-section{margin-bottom:48px;padding-bottom:48px;border-bottom:1px solid #1a1a1a}.pi-section:last-of-type{border-bottom:none}.pi-section__heading{font-size:24px;font-weight:700;color:#fff;margin:0 0 16px;letter-spacing:-.3px}.pi-section p{margin:0 0 16px;font-size:15px;color:#ccc}.pi-section p:last-child{margin-bottom:0}.pi-highlight{background:#111;border:1px solid #222;border-radius:12px;padding:24px;margin:20px 0}.pi-highlight__heading{font-size:16px;font-weight:700;color:#fff;margin:0 0 14px}.pi-check-list{list-style:none;margin:0;padding:0}.pi-check-list li{position:relative;padding-left:28px;margin-bottom:10px;font-size:14px;color:#ccc;line-height:1.6}.pi-check-list li:before{content:"";position:absolute;left:0;top:5px;width:16px;height:16px;border-radius:50%;background:#16a34a;display:flex;align-items:center;justify-content:center}.pi-check-list li:after{content:"";position:absolute;left:4px;top:8px;width:5px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}.pi-steps{display:flex;flex-direction:column;gap:24px;margin-top:20px}.pi-step{display:flex;gap:20px;align-items:flex-start}.pi-step__number{flex-shrink:0;width:36px;height:36px;border-radius:50%;background:#1a1a1a;border:1px solid #333;color:#fff;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center}.pi-step__content h3{font-size:16px;font-weight:700;color:#fff;margin:0 0 6px}.pi-step__content p{font-size:14px;color:#aaa;margin:0;line-height:1.7}.pi-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:16px;gap:16px;margin-top:20px}.pi-grid__card{background:#111;border:1px solid #222;border-radius:10px;padding:20px}.pi-grid__card h3{font-size:14px;font-weight:700;color:#fff;margin:0 0 8px}.pi-grid__card p{font-size:13px;color:#999;margin:0;line-height:1.6}.pi-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}.pi-table td,.pi-table th{text-align:left;padding:12px 16px;border-bottom:1px solid #1a1a1a}.pi-table th{color:#999;font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px;background:#111}.pi-table td{color:#ccc}.pi-table tbody tr:hover{background:#111}.pi-example{background:#0d1117;border-left:3px solid #3b82f6;border-radius:0 8px 8px 0;padding:20px 24px;margin:20px 0}.pi-example h3{font-size:14px;font-weight:700;color:#6ea8fe;margin:0 0 8px}.pi-example p{font-size:14px;color:#aaa;margin:0;line-height:1.7}.pi-dl{margin:20px 0 0}.pi-dl__item{margin-bottom:24px}.pi-dl__item dt{font-size:15px;font-weight:700;color:#fff;margin-bottom:6px}.pi-dl__item dd{margin:0;font-size:14px;color:#aaa;line-height:1.7}.pi-list{list-style:none;margin:16px 0 0;padding:0}.pi-list li{position:relative;padding-left:20px;margin-bottom:14px;font-size:14px;color:#ccc;line-height:1.7}.pi-list li:before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:#555}.pi-list li strong{color:#fff}.pi-faq{display:flex;flex-direction:column;gap:0}.pi-faq__item{border-bottom:1px solid #1a1a1a}.pi-faq__item:last-child{border-bottom:none}.pi-faq__question{font-size:15px;font-weight:600;color:#fff;padding:18px 0;cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between}.pi-faq__question::-webkit-details-marker{display:none}.pi-faq__question:after{content:"+";font-size:20px;font-weight:300;color:#666;transition:transform .2s;flex-shrink:0;margin-left:16px}.pi-faq__item[open] .pi-faq__question:after{content:"-";color:#999}.pi-faq__answer{font-size:14px;color:#aaa;margin:0 0 18px;line-height:1.7;padding-right:32px}.pi-footer{margin-top:48px;padding-top:32px;border-top:1px solid #1a1a1a}.pi-footer p{font-size:13px;color:#666;margin:0}.pi-footer a{color:#888;text-decoration:underline}.pi-footer a:hover{color:#ccc}@media (max-width:640px){.pi-header{padding:0 16px}.pi-main{padding:24px 16px 60px}.pi-title{font-size:28px}.pi-subtitle{font-size:15px;margin-bottom:32px}.pi-section{margin-bottom:32px;padding-bottom:32px}.pi-section__heading{font-size:20px}.pi-grid{grid-template-columns:1fr}.pi-table td,.pi-table th{padding:10px 12px;font-size:13px}.pi-step{gap:14px}}