*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:#1b1e24;background:#fff;line-height:1.65}
.topbar{background:#101418;color:#fff}
.topbar-inner{max-width:62rem;margin:0 auto;padding:.9rem 1rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem}
.logo{color:#fff;text-decoration:none;font-weight:700;font-size:1.05rem}
.logo em{color:#7c3aed;font-style:normal}
nav[aria-label=Main] a{color:#cfd6dd;text-decoration:none;margin-left:1.1rem;font-size:.92rem}
nav[aria-label=Main] a:hover{color:#fff}
.hero{background:linear-gradient(135deg,#101418 0%,#1d2530 100%);color:#fff}
.hero-inner{max-width:62rem;margin:0 auto;padding:3rem 1rem;display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:start}
@media(max-width:46rem){.hero-inner{grid-template-columns:1fr}}
.display{font-size:2rem;line-height:1.2;margin-bottom:.8rem}
.display span{color:#7c3aed}
.hero p.lede{color:#c8cfd8;font-size:1.02rem}
.calc{background:#fff;color:#1b1e24;border-radius:14px;padding:1.4rem;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.calc h2{font-size:1.15rem;margin-bottom:.9rem}
.calc label{display:block;font-size:.85rem;font-weight:600;margin:.7rem 0 .25rem}
.calc input[type=number],.calc input[type=text],.calc select{width:100%;padding:.55rem .7rem;font-size:1rem;border:1px solid #c9cfd6;border-radius:8px}
.calc input[type=checkbox]{width:auto;margin-right:.4rem}
.calc .row{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.calc-out{margin-top:1rem;background:#f4f6f8;border-radius:10px;padding:1rem}
.calc-out .m{font-size:1.9rem;font-weight:800;color:#7c3aed}
.calc-out small{color:#5a626b}
.fineprint{font-size:.82rem;color:#5a626b;margin-top:.8rem}
.stats{background:#7c3aed;color:#fff}
.stats-inner{max-width:62rem;margin:0 auto;padding:1.4rem 1rem;display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;text-align:center}
.stats b{display:block;font-size:1.5rem}
.stats span{font-size:.85rem;opacity:.85}
.article{max-width:44rem;margin:0 auto;padding:2.5rem 1rem}
.article h2{font-size:1.45rem;margin:2.2rem 0 .8rem;color:#101418}
.article h3{font-size:1.1rem;margin:1.6rem 0 .5rem}
.article p{margin:.7rem 0}
.article ul,.article ol{margin:.7rem 0 .7rem 1.4rem}
.article li{margin:.35rem 0}
.article table{width:100%;border-collapse:collapse;font-size:.85rem;margin:1rem 0}
.article th{background:#101418;color:#fff;padding:.6rem;text-align:left}
.article td{padding:.55rem;border-bottom:1px solid #e2e6eb;vertical-align:top}
.disclaimer{background:#fff8e6;border:1px solid #e8c95c;border-left:5px solid #d4a017;border-radius:0 10px 10px 0;padding:1rem 1.2rem;margin:2rem 0;font-size:.9rem}
.disclaimer strong{color:#8a6d00}
.fresh{font-size:.82rem;color:#6a7076;margin-top:2rem;border-top:1px solid #e2e6eb;padding-top:1rem}
footer.site{background:#101418;color:#cfd6dd;margin-top:0}
.foot-grid{max-width:62rem;margin:0 auto;padding:2.5rem 1rem;display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
@media(max-width:46rem){.foot-grid{grid-template-columns:1fr}}
.fh{font-size:1rem;color:#fff;margin-bottom:.6rem}
footer.site a{color:#9fb3c8;text-decoration:none;display:block;margin:.3rem 0;font-size:.9rem}
footer.site a:hover{color:#fff}
.foot-base{border-top:1px solid #2a323c;max-width:62rem;margin:0 auto;padding:1.2rem 1rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;font-size:.82rem;color:#8a94a0}
.foot-base a{display:inline;color:#9fb3c8}
.breadcrumb{font-size:.85rem;color:#6a7076;margin-bottom:1rem}
.breadcrumb a{color:#7c3aed}
.btn{display:inline-block;background:#7c3aed;color:#fff;border:none;border-radius:8px;padding:.7rem 1.4rem;font-size:1rem;font-weight:700;cursor:pointer;margin-top:.9rem}
.btn:hover{filter:brightness(1.08)}
.sumbox{background:#f4f6f8;border-left:4px solid #7c3aed;padding:16px 18px;margin-bottom:32px;border-radius:0 12px 12px 0}