:root{--bg:#f6f9fb;--surface:#fff;--ink:#14293a;--muted:#4b6072;--line:#d3dfe8;--green:#1d5c4a;--red:#b3262e;--gold:#8a6a14;--hero1:#0f2a43;--hero2:#1d4a63;--on-hero:#fff;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0b1a28;--surface:#12293c;--ink:#eaf2f8;--muted:#a9bccb;--line:#27465d;--green:#6fcfae;--red:#ff8d92;--gold:#f0c85a;--hero1:#071522;--hero2:#123049;color-scheme:dark}}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 12px);scroll-behavior:smooth}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.2;margin:0 0 .5em}
a{color:var(--green)}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;color:#000;padding:8px;z-index:9}
header.top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 20px;background:var(--hero1);color:var(--on-hero)}
header.top a{color:var(--on-hero);text-decoration:none;font-weight:600}
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--hero1),var(--hero2));color:var(--on-hero);padding:56px 0 0}
.hero h1{font-size:clamp(2rem,6vw,3.6rem);max-width:15em}
.hero p{max-width:34em;color:#d6e6f0;font-size:1.1rem}
.count{display:inline-block;border:1px solid #ffffff55;border-radius:99px;padding:6px 16px;margin-bottom:18px;font-size:.95rem}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 8px}
.btn{display:inline-block;padding:13px 22px;border-radius:10px;font-weight:700;text-decoration:none;border:2px solid transparent}
.btn.red{background:#c8323a;color:#fff}.btn.red:hover{background:#a82229}
.btn.ghost{border-color:#ffffff88;color:#fff}.btn.ghost:hover{background:#ffffff22}
.scene{display:block;width:100%;height:auto;margin-top:28px}
.snow{position:absolute;inset:0;pointer-events:none}
.snow i{position:absolute;top:-10px;width:6px;height:6px;border-radius:50%;background:#fff;opacity:.8;animation:fall linear infinite}
@keyframes fall{to{transform:translateY(560px)}}
@media (prefers-reduced-motion:reduce){.snow{display:none}html{scroll-behavior:auto}}
section{padding:56px 0}
section h2{font-size:clamp(1.6rem,4vw,2.2rem)}
.lead{color:var(--muted);max-width:40em}
[role=tablist]{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 0}
[role=tab]{font:inherit;font-weight:700;padding:11px 18px;border-radius:10px 10px 0 0;border:1px solid var(--line);border-bottom:0;background:var(--bg);color:var(--ink);cursor:pointer}
[role=tab][aria-selected=true]{background:var(--surface);border-color:var(--green);box-shadow:inset 0 3px 0 var(--red)}
[role=tabpanel]{background:var(--surface);border:1px solid var(--line);border-radius:0 12px 12px 12px;padding:28px}
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
@media(max-width:760px){.panel-grid{grid-template-columns:1fr}}
.panel-grid ul{padding-left:1.2em;margin:0}
.panel-grid li{margin-bottom:.5em}
.note{background:var(--bg);border-left:4px solid var(--gold);padding:12px 16px;border-radius:0 8px 8px 0;font-size:.95rem;margin-top:16px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s;padding:0;list-style:none}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.steps li{counter-increment:s;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px}
.steps li::before{content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--red);color:#fff;font-weight:700;margin-bottom:10px}
.steps h3{font-size:1.15rem}
.guides{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.guides a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;text-decoration:none;color:var(--ink)}
.guides a:hover{border-color:var(--green)}
.guides b{display:block;font-family:Georgia,serif;font-size:1.1rem;margin-bottom:6px;color:var(--green)}
.guides span{color:var(--muted);font-size:.95rem}
details{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:700}
details p{margin:10px 0 0;color:var(--muted)}
footer{background:var(--hero1);color:#c9dbe7;padding:36px 0;font-size:.92rem}
footer a{color:#fff}
.ad{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 16px;font-size:.92rem;color:var(--muted);margin-top:18px}
.rel{position:relative}
.no-top{padding-top:0}
.alt{background:var(--surface)}
.cta-row{margin-top:22px}
.tabs{display:none}
.js .tabs{display:flex}
.js [role=tabpanel][hidden]{display:none}
[role=tabpanel]{margin-bottom:16px}
.js [role=tabpanel]{margin-bottom:0}