/* solution-fangchan.css · F21 套环式 */
.sfc-hero{position:relative;min-height:440px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(135deg,var(--moon-200),var(--moon-100))}
.sfc-hero-inner{max-width:700px;position:relative;z-index:2}
.sfc-hero-inner .lead{margin:16px 0 26px}
.sfc-pains{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:44px}
.sfc-pain{background:#fff;padding:26px 22px;border-radius:var(--radius);box-shadow:var(--shadow-soft);position:relative;z-index:1}
.sfc-pain::after{content:"";position:absolute;top:-10px;right:-10px;width:60px;height:60px;border:2px solid var(--cinnabar-500);border-radius:50%;z-index:-1;opacity:.4}
.sfc-pain h3{font-size:16px;margin-bottom:10px}
.sfc-pain p{font-size:13.5px;color:var(--ink-500);line-height:1.85}
.sfc-mod-bg{background:linear-gradient(180deg,var(--moon-200),var(--moon-100))}
.sfc-mods{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.sfc-mod{background:#fff;padding:26px 24px;border-radius:var(--radius);box-shadow:var(--shadow-soft);border-left:3px solid var(--cinnabar-500)}
.sfc-mod h3{font-size:17px;margin-bottom:8px}
.sfc-mod p{font-size:14.5px;color:var(--ink-500);line-height:1.9}
.sfc-tech{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.sfc-tech-text p{margin-top:14px;color:var(--ink-700)}
.sfc-tech-img{border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow-lift)}
.sfc-tech-img img{width:100%;height:100%;object-fit:cover}
.sfc-case-bg{background:var(--moon-200)}
.sfc-cases{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:40px}
.sfc-case{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/10;box-shadow:var(--shadow-soft)}
.sfc-case img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.sfc-case:hover img{transform:scale(1.05)}
.sfc-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}
.sfc-case-mask h3{color:#F7F5EE;font-size:18px}
.sfc-case-mask p{color:rgba(247,245,238,.8);font-size:13.5px;margin-top:4px}
.sfc-rel-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}
.sfc-rel-links a{padding:9px 20px;border:1px solid var(--bamboo-500);color:var(--bamboo-600);border-radius:999px;font-size:14px}
.sfc-rel-links a:hover{background:var(--bamboo-500);color:#F7F5EE}
.sfc-promise-bg{background:linear-gradient(180deg,var(--moon-200),var(--moon-100))}
.sfc-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px;text-align:center}
.sfc-stats li{background:#fff;padding:26px 10px;border-radius:var(--radius);box-shadow:var(--shadow-soft)}
.sfc-stats span{font-family:var(--serif);font-size:36px;color:var(--cinnabar-500);font-weight:700}
.sfc-stats em{font-size:15px;font-style:normal}
.sfc-stats p{font-size:13.5px;color:var(--ink-500);margin-top:8px}
.sfc-cta{background:var(--bamboo-900);padding:52px 0}
.sfc-cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.sfc-cta-inner h2{color:#F7F5EE;font-size:24px}
.sfc-cta-inner p{color:rgba(247,245,238,.7);margin-top:10px}
.sfc-cta-btns{display:flex;gap:14px;flex-wrap:wrap}
@media(max-width:920px){
  .sfc-pains{grid-template-columns:1fr 1fr}
  .sfc-mods{grid-template-columns:1fr 1fr}
  .sfc-tech,.sfc-cases{grid-template-columns:1fr}
  .sfc-stats{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .sfc-pains,.sfc-mods{grid-template-columns:1fr}
}