*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--ph-orange:#ff6154;--ph-orange-hover:#e9573f;--ph-orange-light:#fff5f4;--ph-orange-muted:#ffe8e6;--ph-text:#21293c;--ph-text-secondary:#4b587c;--ph-text-muted:#678;--ph-bg:#fff;--ph-bg-gray:#f8f8f8;--ph-bg-warm:#fafafa;--ph-border:#e8e8e8;--ph-border-dark:#d9d9d9;--ph-star:#f5a623;--ph-teal:#00b894;--ph-radius:8px;--ph-radius-lg:12px;--ph-radius-pill:999px;--ph-shadow:0 1px 3px rgba(33,41,60,.08);--ph-shadow-md:0 4px 12px rgba(33,41,60,.1);--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--max-width:1140px;--nav-height:60px;--color-primary:var(--ph-orange);--color-primary-dark:var(--ph-orange-hover);--color-primary-light:var(--ph-orange-light);--color-text:var(--ph-text);--color-text-muted:var(--ph-text-muted);--color-border:var(--ph-border);--color-bg:var(--ph-bg);--color-bg-alt:var(--ph-bg-gray);--radius:var(--ph-radius-lg);--radius-sm:var(--ph-radius)}html{scroll-behavior:smooth}body{font-family:var(--font-sans);color:var(--ph-text);background:var(--ph-bg);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--ph-orange);text-decoration:none}a:hover{color:var(--ph-orange-hover);text-decoration:underline}img{max-width:100%;height:auto}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}.section{padding:48px 0}.section-alt{background:var(--ph-bg-gray)}.section-title{font-size:1.5rem;font-weight:700;color:var(--ph-text);margin-bottom:8px;letter-spacing:-.01em}.section-subtitle{font-size:1rem;color:var(--ph-text-secondary);margin-bottom:24px;line-height:1.6}.section-link{font-size:.9375rem;font-weight:600;color:var(--ph-orange);white-space:nowrap}.section-link:hover{color:var(--ph-orange-hover)}.section-header-row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}.grid{display:grid;grid-gap:16px;gap:16px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-5{grid-template-columns:repeat(5,1fr)}@media (max-width:1024px){.grid-5{grid-template-columns:repeat(3,1fr)}.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.section{padding:32px 0}.section-title{font-size:1.25rem}.grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}.section-header-row{flex-direction:column;align-items:flex-start}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;font-family:var(--font-sans);font-size:.9375rem;font-weight:600;border-radius:var(--ph-radius);border:none;cursor:pointer;transition:background .15s,color .15s,border-color .15s;white-space:nowrap}.btn,.btn:hover{text-decoration:none}.btn-primary{background:var(--ph-orange);color:#fff}.btn-primary:hover{background:var(--ph-orange-hover);color:#fff}.btn-outline{background:#fff;color:var(--ph-text);border:1px solid var(--ph-border-dark)}.btn-outline:hover{border-color:var(--ph-orange);color:var(--ph-orange);background:var(--ph-orange-light)}.btn-ghost{background:transparent;color:var(--ph-text-secondary);border:none;padding:8px 12px}.btn-ghost:hover{color:var(--ph-orange);background:var(--ph-orange-light)}.input{width:100%;padding:12px 16px;font-family:var(--font-sans);font-size:1rem;border:1px solid var(--ph-border-dark);border-radius:var(--ph-radius);outline:none;color:var(--ph-text);transition:border-color .15s,box-shadow .15s}.input:focus{border-color:var(--ph-orange);box-shadow:0 0 0 3px var(--ph-orange-muted)}.error-text{color:#dc2626}.error-text,.success-text{font-size:.875rem;margin-top:4px}.success-text{color:var(--ph-teal)}