:root{--bg:#F8F7F4;--bg2:#FFFFFF;--bg3:#F1EFE9;--bg4:#E9E6E0;--surf:#FFFFFF;--bdr:#E4E1DB;--bdr2:#CCC8C0;--ink:#0D1117;--ink2:#2A3141;--ink3:#586070;--ink4:#939BAC;--blue:#1546C0;--blue2:#5B8AF5;--blue-g:rgba(21, 70, 192, .08);--blue-b:rgba(21, 70, 192, .2);--teal:#047857;--teal2:#34D399;--teal-g:rgba(4, 120, 87, .08);--teal-b:rgba(4, 120, 87, .2);--amber:#B45309;--amb2:#FBBF24;--amb-g:rgba(180, 83, 9, .08);--amb-b:rgba(180, 83, 9, .2);--purp:#6D28D9;--purp2:#A78BFA;--purp-g:rgba(109, 40, 217, .08);--purp-b:rgba(109, 40, 217, .2);--rose:#BE185D;--rose2:#F472B6;--rose-g:rgba(190, 24, 93, .08);--rose-b:rgba(190, 24, 93, .2);--slate:#334155;--slt2:#94A3B8;--slt-g:rgba(51, 65, 85, .08);--slt-b:rgba(51, 65, 85, .2);--s1:0 1px 3px rgba(0, 0, 0, .06),0 1px 8px rgba(0, 0, 0, .04);--s2:0 4px 16px rgba(0, 0, 0, .08),0 1px 4px rgba(0, 0, 0, .04);--s3:0 12px 40px rgba(0, 0, 0, .10),0 2px 8px rgba(0, 0, 0, .05);--s4:0 24px 72px rgba(0, 0, 0, .12),0 4px 16px rgba(0, 0, 0, .06);--r:8px;--t:.2s ease}[data-theme=dark]{--bg:#080B14;--bg2:#0E1220;--bg3:#141928;--bg4:#1B2235;--surf:#141928;--bdr:rgba(255, 255, 255, .07);--bdr2:rgba(255, 255, 255, .14);--ink:#EEF0F8;--ink2:#C4CCDC;--ink3:#8290A8;--ink4:#4E5A70;--blue:#5B8AF5;--blue2:#93B4FF;--blue-g:rgba(91, 138, 245, .12);--blue-b:rgba(91, 138, 245, .25);--teal:#34D399;--teal2:#6EE7B7;--teal-g:rgba(52, 211, 153, .10);--teal-b:rgba(52, 211, 153, .22);--amber:#FBBF24;--amb2:#FDE68A;--amb-g:rgba(251, 191, 36, .10);--amb-b:rgba(251, 191, 36, .22);--purp:#A78BFA;--purp2:#C4B5FD;--purp-g:rgba(167, 139, 250, .10);--purp-b:rgba(167, 139, 250, .22);--rose:#F472B6;--rose2:#FBCFE8;--rose-g:rgba(244, 114, 182, .10);--rose-b:rgba(244, 114, 182, .22);--slate:#94A3B8;--slt2:#CBD5E1;--slt-g:rgba(148, 163, 184, .10);--slt-b:rgba(148, 163, 184, .22)}*,::after,::before{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:Outfit,sans-serif;line-height:1.6;transition:background .4s,color .4s}h1,h2,h3{font-family:'Playfair Display',serif}a{text-decoration:none;color:inherit;transition:var(--t)}nav{position:sticky;top:0;z-index:100;height:64px;display:flex;align-items:center;padding:0 5vw;background:rgba(248,247,244,.9);backdrop-filter:blur(20px);border-bottom:1px solid var(--bdr);justify-content:space-between}[data-theme=dark] nav{background:rgba(8,11,20,.88)}.nav-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem}.container{max-width:1200px;margin:0 auto;padding:4rem 5vw}.doc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:3rem}.doc-card{background:var(--surf);border:1px solid var(--bdr);border-radius:16px;padding:2rem;transition:all .3s;display:flex;flex-direction:column}.doc-card:hover{transform:translateY(-5px);border-color:var(--blue);box-shadow:var(--s3)}.doc-card h3{margin-bottom:1rem;font-size:1.5rem}.doc-card p{color:var(--ink3);font-size:.95rem;margin-bottom:1.5rem}.doc-btn{margin-top:auto;background:var(--blue-g);color:var(--blue);padding:.8rem 1.5rem;border-radius:8px;font-weight:600;text-align:center}.doc-btn:hover{background:var(--blue);color:#fff}.hero-doc{text-align:center;padding:10rem 5vw 8rem;background:linear-gradient(to bottom,rgba(248,247,244,.9),rgba(248,247,244,.98)),url('hero-bg.png') center/cover no-repeat;border-bottom:1px solid var(--bdr);position:relative;overflow:hidden}[data-theme=dark] .hero-doc{background:linear-gradient(to bottom,rgba(8,11,20,.88),rgba(8,11,20,.96)),url('hero-bg.png') center/cover no-repeat}.hero-decor{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:100%;height:100%;background:radial-gradient(circle at 30% 20%,rgba(21,70,192,.05) 0,transparent 40%),radial-gradient(circle at 70% 80%,rgba(4,120,87,.04) 0,transparent 40%);pointer-events:none;z-index:0}.hero-doc h1{font-size:4rem;margin-bottom:1.5rem;position:relative;z-index:1;background:linear-gradient(135deg,var(--ink) 0,var(--blue) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}[data-theme=dark] .hero-doc h1{background:linear-gradient(135deg,#fff 0,var(--blue2) 100%);-webkit-background-clip:text;background-clip:text}.hero-doc p{font-size:1.25rem;color:var(--ink3);max-width:850px;margin:0 auto;position:relative;z-index:1;line-height:1.8}.doc-layout{display:flex;gap:3rem;margin-top:2rem}.sidebar{width:250px;flex-shrink:0;position:sticky;top:100px;height:fit-content}.sidebar ul{list-style:none}.sidebar li{margin-bottom:.8rem}.sidebar a{color:var(--ink3);font-weight:500;font-size:.9rem}.sidebar a.active,.sidebar a:hover{color:var(--blue)}.content{flex:1;max-width:800px}.content h2{font-size:2.2rem;margin:3rem 0 1.2rem;color:var(--ink);border-bottom:2px solid var(--bdr);padding-bottom:.5rem}.content h3{font-size:1.5rem;margin:2rem 0 1rem;color:var(--ink)}.content p{margin-bottom:1.5rem;color:var(--ink2);font-size:1.05rem;line-height:1.8}.content ol,.content ul{margin:1.5rem 0;padding-left:1.5rem}.content li{margin-bottom:.8rem;color:var(--ink2)}.hero-img{width:100%;height:400px;object-fit:cover;border-radius:24px;margin-bottom:3rem;box-shadow:var(--s3)}.step-card{background:var(--surf);border:1px solid var(--bdr);border-radius:16px;padding:2rem;margin-bottom:2rem;transition:var(--t)}.step-card:hover{box-shadow:var(--s2);border-color:var(--blue-b)}.step-card h4{font-family:Outfit,sans-serif;font-size:1.2rem;margin-bottom:.8rem;color:var(--blue);display:flex;align-items:center;gap:.5rem}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin:2.5rem 0}.feature-card{background:var(--bg3);padding:1.8rem;border-radius:16px;border:1px solid var(--bdr)}[data-theme=dark] .feature-card{background:var(--bg4)}.feature-card i{font-size:1.8rem;color:var(--blue);margin-bottom:1.2rem;display:block}.alert{padding:1.5rem;border-radius:12px;margin:2rem 0;display:flex;gap:1rem;font-size:.95rem}.alert i{font-size:1.2rem;margin-top:.2rem}.alert-info{background:var(--blue-g);border-left:4px solid var(--blue);color:var(--ink2)}.alert-info i{color:var(--blue)}.alert-warning{background:var(--amb-g);border-left:4px solid var(--amber);color:var(--ink2)}.alert-warning i{color:var(--amber)}.faq-item{border-bottom:1px solid var(--bdr);padding:1.5rem 0}.faq-item h4{font-size:1.1rem;margin-bottom:.5rem;color:var(--ink)}footer{padding:4rem 5vw;background:var(--bg2);border-top:1px solid var(--bdr);text-align:center;color:var(--ink4);font-size:.9rem}@media (max-width:900px){.doc-layout{flex-direction:column}.sidebar{width:100%;position:static;margin-bottom:2rem}.hero-img{height:250px}}