:root{--bg:#f7f5f2;--bg-2:#efece8;--surface:#fff;--surface-2:#faf9f7;--border:#3c281412;--border-h:#4c9aff38;--ink:#1c1526;--ink-2:#4a3d5c;--ink-3:#8e82a6;--blue:#4c9aff;--blue-bg:#4c9aff14;--blue-bright:#6db3ff;--teal:#12b886;--teal-bg:#12b88614;--coral:#f06449;--coral-bg:#f0644914;--code-bg:#2e3440;--code-fg:#f8f8f2;--code-green:#a3be8c;--code-dim:#636f88;--code-border:#3b4252;--radius:22px;--radius-sm:14px;--shadow-md:0 8px 30px #3c281414;--shadow-lg:0 20px 60px #3c28141f;--spring:cubic-bezier(.34,1.56,.64,1);--smooth:cubic-bezier(.4,0,.2,1)}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased}body{background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,Microsoft YaHei,sans-serif;line-height:1.6}#root{min-height:100vh}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:none}code{font-family:SF Mono,JetBrains Mono,Consolas,monospace;font-size:13px}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes slideRight{0%{opacity:0;transform:translate(40px)scale(.97)}to{opacity:1;transform:translate(0)scale(1)}}@keyframes popIn{0%{opacity:0;transform:scale(.85)translateY(16px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.phase{transition:opacity .6s ease,transform .6s var(--smooth);position:absolute;inset:0}.phase.hidden{opacity:0;pointer-events:none;transform:scale(.95)translateY(10px)}.home-landing{flex-direction:column;justify-content:flex-start;align-items:center;height:100vh;padding:80px 24px 40px;display:flex;position:relative;overflow-y:auto}.home-landing:before{content:"";pointer-events:none;background:radial-gradient(#4c9aff0f 0%,#12b88608 40%,#0000 70%);width:700px;height:600px;position:absolute;top:20%;left:50%;transform:translate(-50%,-50%)}.home-landing 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h3{margin-bottom:10px;font-size:19px;font-weight:700}.home-card p{color:var(--ink-3);font-size:14px;line-height:1.7}.home-card-tags{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.home-tag{border-radius:8px;padding:4px 10px;font-size:12px;font-weight:500}.home-tag-blue{background:var(--blue-bg);color:var(--blue)}.home-tag-teal{background:var(--teal-bg);color:var(--teal)}.home-card-link{margin-top:18px;font-size:14px;font-weight:600;display:inline-block}.home-card-link-blue{color:var(--blue)}.home-card-link-teal{color:var(--teal)}.home-card-link-orange{color:var(--coral)}.home-card-install{background:linear-gradient(135deg,#f0f4ff,#e8edff)}.home-card-ccl{background:linear-gradient(135deg,#e6fbf3,#d4f5e9)}.home-card-author{background:linear-gradient(135deg,#fff5eb,#ffede0)}.home-card:first-child{animation:popIn .6s var(--spring) .1s both}.home-card:nth-child(2){animation:popIn .6s var(--spring) .2s both}.home-card:nth-child(3){animation:popIn .6s var(--spring) .3s 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var(--border);text-align:center;cursor:pointer;width:260px;transition:all .5s var(--spring);background:#dee5f4;border-radius:28px;padding:48px 28px 36px;box-shadow:0 4px 16px #3c508c1a}.os-card:hover{box-shadow:var(--shadow-lg),0 0 0 1px var(--blue);border-color:var(--blue);transform:translateY(-20px)scale(1.08)}.os-card .os-icon{width:64px;height:64px;transition:transform .5s var(--spring);object-fit:contain;margin:0 auto 20px;display:block}.os-card:hover .os-icon{transform:scale(1.25)}.os-card h3{margin-bottom:6px;font-size:20px;font-weight:700}.os-card p{color:var(--ink-3);font-size:14px}.os-card:first-child{animation:popIn .6s var(--spring) .1s both}.os-card:nth-child(2){animation:popIn .6s var(--spring) .2s both}.os-card:nth-child(3){animation:popIn .6s var(--spring) .3s both}.main-phase{flex-direction:column;height:100vh;display:flex}.main-phase h2{color:var(--ink);margin-bottom:12px;font-size:28px;font-weight:800}.poster-link{color:var(--blue);vertical-align:middle;margin-left:8px;font-size:14px;font-weight:600;text-decoration:none}.poster-link:hover{opacity:.7}.topbar{border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#f7f5f2e0;flex-shrink:0;align-items:center;gap:24px;height:72px;padding:0 48px;display:flex}.topbar-left{align-items:center;gap:16px;display:flex}.topbar-logo{cursor:pointer;font-size:32px}.topbar h1{letter-spacing:2px;font-size:22px;font-weight:800}.topbar .os-badge{color:var(--blue);background:var(--blue-bg);border:1px solid #4c9aff1f;border-radius:20px;padding:5px 14px;font-size:13px;font-weight:600}.topbar .nav-links{gap:6px;margin-left:auto;display:flex}.topbar .nav-link{color:var(--ink-3);cursor:pointer;border-radius:20px;padding:6px 14px;font-size:13px;font-weight:500;transition:all .2s}.topbar 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48px;display:flex}.page-content{flex:1;justify-content:center;padding:36px 80px 20px;display:flex;overflow-y:auto}.page-content-inner{width:100%;max-width:960px}.guide-content{line-height:1.8}.guide-content h1,.guide-content h2,.guide-content h3{color:var(--ink);margin:24px 0 12px}.guide-content p{color:var(--ink-2);margin-bottom:12px}.guide-content pre{background:var(--code-bg);color:var(--code-fg);border-radius:8px;margin-bottom:16px;padding:16px 20px;font-size:14px;line-height:1.7;overflow-x:auto}.guide-content code{background:var(--code-bg);color:var(--code-fg);border-radius:4px;padding:2px 6px}.scene-footnote{color:var(--ink-3);text-align:center;margin-top:24px;font-size:13px;line-height:1.6}.scene-footnote strong{color:var(--blue)}.modal-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:200;background:#1c152666;justify-content:center;align-items:center;animation:.25s 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20px}.author-card{padding:32px 20px}.os-select{height:auto;min-height:100vh;padding:40px 16px;overflow-y:auto}.os-logo{margin-bottom:16px;font-size:48px}.os-select h1{letter-spacing:1px;font-size:28px}.os-subtitle{letter-spacing:1px;margin-bottom:40px;font-size:16px}.os-cards{flex-direction:column;gap:14px;width:100%}.os-card{width:100%;padding:28px 20px}.content{flex-direction:column;padding:16px}.content-inner{width:100%}.scene-grid{grid-template-columns:1fr}.topbar{flex-wrap:wrap;gap:8px;height:auto;min-height:56px;padding:0 12px}.topbar-left{flex:auto}.topbar .nav-links{flex-wrap:wrap;gap:4px;margin-left:0}.topbar .nav-link{padding:4px 10px;font-size:12px}.topbar .os-badge{padding:3px 10px;font-size:11px}.topbar h1{font-size:16px}.topbar-logo{font-size:24px}.page-content{padding:16px}.page-topbar{padding:0 16px}.provider-grid{grid-template-columns:1fr}}