*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:#0f172a;color:#e5eefb;line-height:1.55}a{color:inherit}code{background:rgba(255,255,255,.08);padding:.12rem .35rem;border-radius:.35rem}#progress-bar{position:fixed;top:0;left:0;height:4px;width:0;background:linear-gradient(90deg,#60a5fa,#22c55e);z-index:9999}.hero{padding:42px 18px 26px;background:radial-gradient(circle at top left,#1e293b,#0f172a 60%)}.hero-inner,.container,.sticky-nav-inner{max-width:1180px;margin:0 auto}.hero-eyebrow{text-transform:uppercase;letter-spacing:.16em;color:#93c5fd;font-size:.78rem;margin-bottom:8px}.hero h1{font-size:clamp(2.2rem,5vw,4.4rem);margin:.1em 0}.accent{color:#60a5fa}.hero-sub{max-width:800px;color:#cbd5e1;font-size:1.08rem}.hero-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:22px}.hero-card,.card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:22px;box-shadow:0 10px 30px rgba(0,0,0,.18)}.hero-card{padding:18px}.sticky-nav{position:sticky;top:0;z-index:1000;background:rgba(15,23,42,.88);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}.sticky-nav-inner{display:flex;gap:10px;overflow:auto;padding:12px 18px}.sticky-nav a{text-decoration:none;white-space:nowrap;padding:9px 14px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid transparent}.sticky-nav a.active,.sticky-nav a:hover{background:#1d4ed8;border-color:rgba(255,255,255,.18)}.container{padding:24px 18px 38px}.card{padding:24px;margin-bottom:20px}.section-card h2,.card h2{margin-top:0}.cols-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.badge{display:inline-flex;align-items:center;justify-content:center;padding:6px 11px;border-radius:999px;font-size:.84rem;font-weight:700;margin-bottom:10px;color:#08111f}.b1{background:#93c5fd}.b2{background:#86efac}.b3{background:#fcd34d}.b4{background:#fca5a5}.b5{background:#c4b5fd}.notice{display:flex;gap:12px;padding:14px 16px;border-radius:16px;margin-top:14px;border:1px solid rgba(255,255,255,.08)}.notice-icon{font-size:1.2rem}.info{background:rgba(59,130,246,.12)}.success{background:rgba(34,197,94,.12)}.danger{background:rgba(239,68,68,.12)}.compare-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:12px 0}.compare-pill{padding:14px 16px;border-radius:16px}.compare-pill.new{background:rgba(34,197,94,.14);border:1px solid rgba(34,197,94,.25)}.compare-pill.old{background:rgba(248,113,113,.12);border:1px solid rgba(248,113,113,.2)}.pill-label{display:block;font-size:.76rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:5px;color:#bfdbfe}.kanban{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:16px}.kanban-col{background:rgba(255,255,255,.04);padding:14px;border-radius:18px}.kanban-col-title{font-weight:700;margin-bottom:10px}.kanban-card,.method-card{background:rgba(255,255,255,.06);padding:12px 14px;border-radius:14px;border:1px solid rgba(255,255,255,.06);margin-bottom:10px}.method-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.m-icon{font-size:1.4rem}.m-name{font-weight:700;margin:8px 0 6px}.table-wrap{overflow:auto}.table-wrap table{width:100%;border-collapse:collapse}.table-wrap th,.table-wrap td{padding:12px 14px;text-align:left;border-bottom:1px solid rgba(255,255,255,.08);vertical-align:top}.faq-item{border:1px solid rgba(255,255,255,.08);border-radius:16px;margin-top:12px;overflow:hidden;background:rgba(255,255,255,.04)}.faq-q{padding:15px 16px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;gap:12px}.faq-a{display:none;padding:0 16px 16px;color:#dbeafe}.faq-item.open .faq-a{display:block}.faq-item.open .faq-arrow{transform:rotate(90deg)}.faq-arrow{transition:transform .2s ease}.toc-links{display:grid;gap:8px}.toc-links a{text-decoration:none;padding:9px 12px;border-radius:12px;background:rgba(255,255,255,.04)}.toc-links a:hover{background:rgba(96,165,250,.18)}.toc-num{display:inline-block;min-width:38px;color:#93c5fd;font-weight:700}.footer{text-align:center;padding:20px;color:#94a3b8}.section-card{scroll-margin-top:85px}#top-btn{position:fixed;right:18px;bottom:18px;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;text-decoration:none;background:#1d4ed8;color:#fff;box-shadow:0 12px 28px rgba(0,0,0,.25)}ul,ol{padding-left:1.25rem}@media (max-width:900px){.cols-2,.compare-row,.kanban{grid-template-columns:1fr}}