*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #1a56db;--primary-light: #e8eefb;--text: #1f2937;--text-secondary: #6b7280;--bg: #f9fafb;--white: #ffffff;--border: #e5e7eb;--radius: 12px;--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07), 0 2px 4px rgba(0, 0, 0, .06)}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans Thai,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.site-header{border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:#ffffffeb}.header-inner{max-width:800px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.header-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.1rem;color:var(--text);text-decoration:none;flex-shrink:0}.header-brand:hover{text-decoration:none}.header-brand svg{flex-shrink:0}.header-nav{display:flex;align-items:center;gap:4px}.header-nav a{font-size:.85rem;padding:6px 12px;border-radius:8px;color:var(--text-secondary);transition:background .15s,color .15s;white-space:nowrap}.header-nav a:hover,.header-nav a.active{background:var(--primary-light);color:var(--primary);text-decoration:none}.lang-toggle{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden;font-size:.8rem;flex-shrink:0}.lang-toggle button{background:none;border:none;padding:5px 12px;cursor:pointer;font-family:inherit;font-size:.8rem;color:var(--text-secondary);transition:background .15s,color .15s}.lang-toggle button:first-child{border-right:1px solid var(--border)}.lang-toggle button.active{background:var(--primary);color:#fff}.content-wrapper{max-width:800px;margin:0 auto;padding:32px 24px 80px}.hero{text-align:center;padding:60px 24px 40px}.hero-icon{width:80px;height:80px;background:var(--primary);border-radius:20px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:24px;box-shadow:0 8px 24px #1a56db40}.hero h1{font-size:2rem;font-weight:800;margin-bottom:12px;color:var(--text)}.hero p{font-size:1.1rem;color:var(--text-secondary);max-width:500px;margin:0 auto}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;padding:0 24px 60px;max-width:800px;margin:0 auto}.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;text-decoration:none;color:var(--text);transition:box-shadow .2s,transform .2s;display:flex;flex-direction:column;gap:12px}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);text-decoration:none}.card-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.3rem}.card-icon.privacy{background:#ecfdf5;color:#059669}.card-icon.terms{background:#eff6ff;color:#2563eb}.card h2{font-size:1.15rem;font-weight:700}.card p{color:var(--text-secondary);font-size:.92rem;line-height:1.6}.card .arrow{color:var(--primary);font-size:.875rem;font-weight:600;margin-top:auto}.doc-header{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--border)}.doc-header h1{font-size:1.75rem;font-weight:800;margin-bottom:8px}.doc-meta{color:var(--text-secondary);font-size:.9rem}.doc-body h2{font-size:1.25rem;font-weight:700;margin-top:36px;margin-bottom:12px;color:var(--text)}.doc-body h3{font-size:1.1rem;font-weight:600;margin-top:28px;margin-bottom:10px;color:var(--text)}.doc-body p{margin-bottom:14px}.doc-body ul{margin-bottom:14px;padding-left:24px}.doc-body ul li{margin-bottom:8px}.doc-body strong{font-weight:600}.doc-body a{color:var(--primary);text-decoration:underline;text-underline-offset:2px}.doc-body .contact-email{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--primary)}.site-footer{border-top:1px solid var(--border);padding:24px;text-align:center;color:var(--text-secondary);font-size:.85rem}.site-footer a{color:var(--text-secondary)}.site-footer a:hover{color:var(--primary)}.footer-links{display:flex;justify-content:center;gap:20px;margin-bottom:10px}@media(max-width:640px){.header-inner{padding:12px 16px;flex-wrap:wrap}.header-nav{order:3;width:100%;justify-content:center;gap:2px}.header-nav a{font-size:.78rem;padding:5px 8px}.hero{padding:40px 16px 28px}.hero h1{font-size:1.5rem}.hero p{font-size:1rem}.cards{padding:0 16px 40px;grid-template-columns:1fr}.content-wrapper{padding:24px 16px 60px}.doc-header h1{font-size:1.4rem}}.lang-section{display:none}.lang-section.active{display:block}