/* AltarMala 落地页 · 共用样式 v1 (20260917) */
:root{
  --green:#1f4d3a; --green-d:#18402f; --gold:#c9a45c; --wa:#128c7e;
  --ink:#3b2f22; --ink2:#5a4a33; --line:#ece4d6; --warm:#faf6ef; --warm2:#f6ecdb;
  --white:#fff; --radius:16px; --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--warm);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(250,246,239,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:700;letter-spacing:.16em;font-size:18px;color:var(--ink)}
.brand span{color:var(--gold)}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:15px;color:var(--ink2)}
.nav a:hover{color:var(--green)}
.nav .nav-wa{color:var(--wa);font-weight:600}
.burger{display:none;width:40px;height:40px;border:0;background:none;cursor:pointer;padding:8px}
.burger span{display:block;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 28px;border-radius:12px;
  font-size:16px;font-weight:600;cursor:pointer;border:0;transition:.2s;white-space:nowrap}
.btn-wa{background:var(--wa);color:#fff;box-shadow:0 6px 16px rgba(18,140,126,.22)}
.btn-wa:hover{background:#0f7669}
.btn-green{background:var(--green);color:#fff;box-shadow:0 6px 16px rgba(31,77,58,.22)}
.btn-green:hover{background:var(--green-d)}
.btn-block{width:100%}
.btn svg{width:20px;height:20px;fill:currentColor}

/* hero */
.hero{background:linear-gradient(180deg,#f6ecdb 0%,#faf6ef 100%);padding:64px 0}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:40px;line-height:1.22;margin:0 0 18px;letter-spacing:.01em}
.hero p{font-size:18px;color:var(--ink2);margin:0 0 28px;max-width:520px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-figure{border-radius:20px;overflow:hidden;box-shadow:0 20px 50px rgba(59,47,34,.18)}
.hero-figure img{width:100%;height:480px;object-fit:cover}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);color:var(--ink2);
  border-radius:999px;padding:7px 14px;font-size:13px;margin-bottom:20px}

/* sections */
.section{padding:72px 0}
.section.tight{padding:56px 0}
.sec-head{text-align:center;margin-bottom:40px}
.sec-head h2{font-size:28px;margin:0 0 10px}
.sec-head p{color:var(--ink2);margin:0;font-size:16px}

/* selling points */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 8px 28px rgba(59,47,34,.06)}
.card .ico{width:44px;height:44px;border-radius:12px;background:var(--warm2);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card .ico svg{width:24px;height:24px;fill:var(--green)}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--ink2);font-size:15px}

/* product grid */
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prod{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:0 8px 28px rgba(59,47,34,.06)}
.prod img{width:100%;height:280px;object-fit:cover;transition:.35s}
.prod:hover img{transform:scale(1.04)}
.prod .cap{padding:14px 18px;font-size:14px;color:var(--ink2)}
.prod .cap b{color:var(--ink);font-weight:600}

/* trust bar */
.trust{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;display:flex;gap:14px;flex-wrap:wrap;justify-content:center;align-items:center;box-shadow:0 8px 28px rgba(59,47,34,.06)}
.trust span{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--ink2)}
.trust svg{width:18px;height:18px;fill:var(--green)}

/* footer */
.site-footer{background:#2c2620;color:#e9e2d6;padding:56px 0 40px;margin-top:20px}
.site-footer a{color:#cfe3d8}
.site-footer .f-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
.site-footer .f-brand{font-weight:700;letter-spacing:.16em;font-size:18px}
.site-footer .f-links{display:flex;gap:22px;flex-wrap:wrap;font-size:14px}
.site-footer .f-company{margin-top:26px;font-size:13px;color:#a99f8f;line-height:1.9}
.site-footer .f-note{margin-top:10px;font-size:12px;color:#8c8375}

/* sticky WhatsApp */
.sticky-wa{position:fixed;left:0;right:0;bottom:0;z-index:45;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(250,246,239,.94);border-top:1px solid var(--line);display:none}
.sticky-wa .btn{height:56px}

/* consent */
.consent{position:fixed;left:16px;right:16px;bottom:16px;z-index:60;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:16px 18px;box-shadow:0 12px 34px rgba(59,47,34,.16);display:none;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;max-width:640px;margin:0 auto}
.consent.show{display:flex}
.consent p{margin:0;font-size:13px;color:var(--ink2);max-width:400px}
.consent .btn{height:40px;padding:0 18px;font-size:14px}

@media(max-width:860px){
  .hero .wrap{grid-template-columns:1fr;gap:28px}
  .hero h1{font-size:30px}
  .hero-figure img{height:340px}
  .section{padding:48px 0}
  .cards{grid-template-columns:1fr}
  .products{grid-template-columns:1fr 1fr}
  .prod img{height:200px}
  .nav{display:none}
  .burger{display:block}
  .nav.show{display:flex;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--warm);border-bottom:1px solid var(--line);padding:6px 20px 12px;box-shadow:0 12px 28px rgba(59,47,34,.10)}
  .nav.show a{padding:13px 0;font-size:16px;border-bottom:1px solid var(--line)}
  .nav.show a:last-child{border-bottom:0}
  .sticky-wa{display:block}
  .site-footer{padding-bottom:96px}
}
@media(max-width:520px){
  .products{grid-template-columns:1fr}
}