/* solution-jiaoyu.css · F9 印章矩阵 */
.sjy-hero{position:relative;min-height:460px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(135deg,var(--moon-100),var(--moon-200))}
.sjy-hero-inner{position:relative;z-index:2;max-width:720px}
.sjy-hero-inner .lead{margin:16px 0 26px}
.sjy-hero-seals{position:absolute;right:6%;top:50%;transform:translateY(-50%);display:grid;grid-template-columns:repeat(2,80px);gap:18px;opacity:.9}
.sjy-seal{width:80px;height:80px;background:var(--cinnabar-500);color:#FFF3EC;font-family:var(--serif);font-size:30px;font-weight:700;display:flex;align-items:center;justify-content:center;border-radius:8px;box-shadow:inset 0 0 0 3px rgba(255,243,236,.3);transform:rotate(-3deg)}
.sjy-seal:nth-child(2){transform:rotate(3deg);background:var(--bamboo-600)}
.sjy-seal:nth-child(3){transform:rotate(2deg);background:var(--bamboo-600)}
.sjy-seal:nth-child(4){transform:rotate(-2deg)}
.sjy-pains{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
.sjy-pain{background:#fff;border:1px solid var(--line-soft);padding:28px 24px;border-radius:var(--radius);box-shadow:var(--shadow-soft);position:relative;padding-top:48px}
.sjy-pain-seal{position:absolute;top:-18px;left:24px;width:38px;height:38px;background:var(--cinnabar-500);color:#FFF3EC;font-family:var(--serif);font-size:16px;display:flex;align-items:center;justify-content:center;border-radius:6px;box-shadow:inset 0 0 0 2px rgba(255,243,236,.3);transform:rotate(-4deg)}
.sjy-pain h3{font-size:18px;margin-bottom:10px}
.sjy-pain p{font-size:14.5px;color:var(--ink-500);line-height:1.9}
.sjy-mod-bg{background:linear-gradient(180deg,var(--moon-200),var(--moon-100))}
.sjy-mods{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
.sjy-mod{background:#fff;padding:24px 20px;border-left:3px solid var(--cinnabar-500);box-shadow:var(--shadow-soft)}
.sjy-mod h3{font-size:16px;margin-bottom:8px}
.sjy-mod p{font-size:14px;color:var(--ink-500);line-height:1.85}
.sjy-tech{display:grid;grid-template-columns:1.2fr 1fr;gap:40px}
.sjy-tech-text p{margin-top:14px;color:var(--ink-700)}
.sjy-tech-side{display:flex;flex-direction:column;gap:14px}
.sjy-tech-card{background:var(--bamboo-900);color:rgba(247,245,238,.9);padding:18px 22px;border-radius:var(--radius);border-left:3px solid var(--cinnabar-500)}
.sjy-tech-card span{font-family:var(--serif);font-size:16px;color:var(--moon-100);display:block;margin-bottom:6px}
.sjy-tech-card p{font-size:13.5px;color:rgba(247,245,238,.75)}
.sjy-case-bg{background:var(--moon-200)}
.sjy-cases{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:40px}
.sjy-case{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/10;box-shadow:var(--shadow-soft)}
.sjy-case img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.sjy-case:hover img{transform:scale(1.05)}
.sjy-case-mask{position:absolute;inset:0;background:linear-gradient(0deg,rgba(29,52,38,.85),transparent 60%);display:flex;flex-direction:column;justify-content:flex-end;padding:22px}
.sjy-case-mask h3{color:#F7F5EE;font-size:18px}
.sjy-case-mask p{color:rgba(247,245,238,.8);font-size:13.5px;margin-top:4px}
.sjy-rel-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}
.sjy-rel-links a{padding:9px 20px;border:1px solid var(--bamboo-500);color:var(--bamboo-600);border-radius:999px;font-size:14px}
.sjy-rel-links a:hover{background:var(--bamboo-500);color:#F7F5EE}
.sjy-promise-bg{background:linear-gradient(180deg,var(--moon-200),var(--moon-100))}
.sjy-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px;text-align:center}
.sjy-stats li{background:#fff;padding:26px 10px;border-radius:var(--radius);box-shadow:var(--shadow-soft)}
.sjy-stats span{font-family:var(--serif);font-size:38px;color:var(--cinnabar-500);font-weight:700}
.sjy-stats em{font-size:16px;font-style:normal}
.sjy-stats p{font-size:13.5px;color:var(--ink-500);margin-top:8px}
.sjy-cta{background:var(--bamboo-900);padding:52px 0}
.sjy-cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.sjy-cta-inner h2{color:#F7F5EE;font-size:24px}
.sjy-cta-inner p{color:rgba(247,245,238,.7);margin-top:10px}
.sjy-cta-btns{display:flex;gap:14px;flex-wrap:wrap}
@media(max-width:920px){
  .sjy-hero-seals{display:none}
  .sjy-pains{grid-template-columns:1fr 1fr}
  .sjy-mods{grid-template-columns:1fr 1fr}
  .sjy-tech,.sjy-cases{grid-template-columns:1fr}
  .sjy-stats{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .sjy-pains,.sjy-mods{grid-template-columns:1fr}
}