:root{
  /* Light green theme */
  --bg:#e8f5e9;
  --surface:#f6fbf6;
  --card:#ffffff;
  --muted:#2f4a36;
  --text:#0b1220;
  --accent:#1b7f3a;
  --accent2:#2aa24f;
  --border:rgba(11,18,32,.12);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Noto Sans","PingFang SC","Microsoft YaHei",sans-serif;background:linear-gradient(180deg,var(--bg) 0%, var(--surface) 55%, var(--bg) 100%);color:var(--text)}
a{color:inherit}
.container{max-width:1100px;margin:0 auto;padding:0 18px}

.header{position:sticky;top:0;z-index:20;background:rgba(246,251,246,.92);backdrop-filter: blur(10px);border-bottom:1px solid var(--border)}
.brand{padding:18px 0 8px;text-align:center}
.brand__title{font-weight:800;letter-spacing:.4px;font-size:30px;line-height:1.1}
.brand__subtitle{font-size:14px;color:var(--muted);margin-top:8px}
.nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;padding:8px 0 10px}
.nav a{font-size:13px;color:var(--muted);text-decoration:none;border:1px solid transparent;padding:7px 12px;border-radius:999px;background:rgba(11,18,32,.03)}
.nav a:hover{border-color:var(--border);color:var(--text)}

.ctaRow{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;padding:10px 0 18px}
.ctaRow--hero{padding-top:16px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:12px;border:1px solid var(--border);text-decoration:none;cursor:pointer;background:transparent;color:var(--text);font-weight:700}
.btn--primary{background:linear-gradient(135deg,var(--accent) 0%, var(--accent2) 100%);border-color:rgba(11,18,32,.08);color:#fff}
.btn--ghost{background:rgba(11,18,32,.04)}
.btn--block{width:100%}
.btn[aria-disabled="true"]{opacity:.6;pointer-events:none}
.btn--tiny{padding:8px 10px;border-radius:10px;font-size:13px}

.hero{padding:34px 0 10px}
.hero__grid{display:grid;grid-template-columns:1fr;gap:16px;justify-items:center}
.hero h1{margin:0;font-size:36px;line-height:1.15;text-align:center}
.lead{color:var(--muted);font-size:16px;line-height:1.7;margin:14px 0 0;text-align:center;max-width:760px}
.hero__cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px;width:100%;max-width:900px}

.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}
.card__title{font-weight:800;margin-bottom:10px}
.card ul{margin:0;padding-left:18px;color:var(--muted);line-height:1.7}

.hero__aside{display:flex;flex-direction:column;gap:12px;width:100%;max-width:520px}
.asideBox{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}
.asideBox__title{font-weight:800;margin-bottom:10px}
.stack{display:flex;flex-direction:column;gap:10px}

.section{padding:36px 0}
.section--alt{background:rgba(255,255,255,.65);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section h2{margin:0 0 10px;font-size:22px;text-align:center}
.section h3{margin:0 0 8px;font-size:18px}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}

.feature,.panel{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}
.feature__title{font-weight:700;margin-bottom:8px}
.feature p,.panel p,.panel li{color:var(--muted);line-height:1.7}
.panel ul{margin:0;padding-left:18px}

.testimonials{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}
.testimonial{background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:14px;padding:14px}
.testimonial__meta{font-size:12px;color:var(--muted);margin-bottom:8px}
.testimonial__text{line-height:1.6}
.testimonial__actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}

.note{color:var(--muted);font-size:13px;line-height:1.6}
.fineprint{color:var(--muted);font-size:12px;line-height:1.6;margin-top:10px}
.divider{height:1px;background:var(--border);margin:18px 0}

.footer{display:flex;gap:12px;justify-content:space-between;align-items:flex-start;flex-wrap:wrap}
.footer__title{font-weight:700;margin-bottom:8px}
.footer__right{min-width:180px}

details{border:1px solid var(--border);border-radius:12px;padding:10px 12px;background:rgba(255,255,255,.03);margin-top:10px}
summary{cursor:pointer;font-weight:700}

.photoGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.photoCard{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden}
.photoCard img{display:block;width:100%;height:240px;object-fit:cover}
.photoCard figcaption{padding:10px 12px;color:var(--muted);font-size:13px}

@media (max-width: 900px){
  .hero__cards{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr}
  .grid2{grid-template-columns:1fr}
  .testimonials{grid-template-columns:1fr}
  .photoGrid{grid-template-columns:1fr}
  .photoCard img{height:220px}
  .brand__title{font-size:26px}
  .hero h1{font-size:28px}
}