*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:#1f2937;font:16px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
img{max-width:100%;height:auto;display:block;border:0}
a{color:#16a34a;text-decoration:none}
a:hover{color:#15803d}
.container{width:min(1120px,calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid #f3f4f6}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;color:#15803d;font-weight:800;font-size:20px}
.logo:hover{color:#16a34a}
.logo-mark{width:40px;height:40px;border-radius:50%;background:#fbbf24;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:18px}
.nav-desk{display:flex;gap:16px;align-items:center}
.nav-desk a{color:#374151;font-weight:600}
.nav-desk a:hover,.nav-desk a.active{color:#15803d}
.menu-btn{display:none;border:1px solid #e5e7eb;background:#fff;border-radius:10px;width:40px;height:40px;font-size:18px;cursor:pointer}
.nav-mobi{display:none;flex-direction:column;padding:0 0 16px;border-top:1px solid #f3f4f6}
.nav-mobi a{padding:10px 0;color:#374151;font-weight:600}
.nav-mobi.open{display:flex}
.hero{background:linear-gradient(160deg,#fffbeb 0%,#fefce8 55%,#fff 100%);padding:72px 0}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.kicker{margin:0 0 10px;color:#15803d;font-weight:700}
h1{margin:0 0 16px;font-size:clamp(30px,5vw,48px);line-height:1.2;color:#111827}
h2{margin:0 0 12px;font-size:clamp(24px,3vw,34px);color:#111827}
h3{margin:0 0 8px;font-size:20px}
.lead{margin:0 0 24px;font-size:18px;color:#4b5563}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:999px;font-weight:700;border:1px solid transparent}
.btn-primary{background:#22c55e;color:#fff}
.btn-primary:hover{background:#15803d;color:#fff}
.btn-ghost{background:#fff;border-color:#fde68a;color:#16a34a}
.checks{display:flex;flex-wrap:wrap;gap:14px 20px;color:#4b5563}
.checks span{display:inline-flex;align-items:center;gap:6px}
.checks span::before{content:"";width:8px;height:8px;border-radius:50%;background:#16a34a}
.hero-card{border-radius:24px;overflow:hidden;box-shadow:0 24px 50px rgba(146,64,14,.18);background:#fde68a}
.hero-card img{width:100%;height:380px;object-fit:cover}
section{padding:72px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 40px}
.section-head p{margin:0;color:#6b7280}
.gray{background:#f9fafb}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:#fff;border:1px solid #f3f4f6;border-radius:18px;padding:28px;box-shadow:0 8px 20px rgba(17,24,39,.04)}
.icon{width:48px;height:48px;border-radius:14px;background:#dcfce7;color:#16a34a;display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:14px}
.tile{position:relative;height:230px;border-radius:18px;overflow:hidden;background:#fde68a}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.tile:hover img{transform:scale(1.06)}
.tile .cap{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.78),rgba(0,0,0,.05));color:#fff;display:flex;align-items:flex-end;padding:18px}
.tile h3{color:#fff;margin:0 0 4px}
.tile p{margin:0;color:#e5e7eb;font-size:13px}
.download-band{background:linear-gradient(135deg,#22c55e,#15803d);color:#fff}
.download-band h2,.download-band p{color:#fff}
.download-band p{max-width:640px}
.download-band .btn-primary{background:#fff;color:#15803d}
.download-band .btn-ghost{background:#14532d;border-color:rgba(255,255,255,.25);color:#fff}
.faq-item{background:#fff;border-radius:14px;padding:20px 24px;margin:0 0 12px;border:1px solid #f3f4f6}
.faq-item p{margin:0;color:#4b5563}
.prose{max-width:800px;margin:0 auto}
.prose p{color:#374151}
.page-hero{padding-bottom:24px}
.site-footer{background:#111827;color:#d1d5db;padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px;margin-bottom:24px}
.site-footer a{color:#e5e7eb}
.site-footer h3{color:#fff;margin-top:0}
.muted{color:#9ca3af;font-size:13px}
.beian{border-top:1px solid #1f2937;padding-top:16px;font-size:13px;color:#9ca3af}
.beian a{color:#9ca3af}
@media (max-width:900px){
  .nav-desk{display:none}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .hero-grid,.grid-3,.grid-4,.grid-2,.footer-grid{grid-template-columns:1fr}
  .hero,.page-hero,section{padding:44px 0}
  .hero-card img{height:240px}
}

.crumbs{font-size:14px;color:#6b7280;margin:0 0 16px}
.crumbs a{color:#6b7280}
.crumbs a:hover{color:#15803d}

.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.step-card img{width:100%;height:220px;object-fit:cover;border-radius:16px 16px 0 0}
.step-card{padding:0;overflow:hidden}
.step-card .pad{padding:18px 22px 22px}
.timeline{border-left:3px solid #fde68a;margin:0;padding:0 0 0 22px}
.timeline li{list-style:none;margin:0 0 28px;position:relative}
.timeline li::before{content:"";position:absolute;left:-29px;top:8px;width:12px;height:12px;border-radius:50%;background:#22c55e}
.table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}
.table th,.table td{border-bottom:1px solid #f3f4f6;padding:12px 14px;text-align:left}
.table th{background:#fffbeb}
@media (max-width:900px){.steps{grid-template-columns:1fr}.nav-desk{display:none}}

details.fold{background:#fff;border:1px solid #f3f4f6;border-radius:16px;padding:16px 20px;margin:0 0 12px}
details.fold summary{cursor:pointer;font-weight:700;font-size:18px;list-style:none}
details.fold summary::-webkit-details-marker{display:none}
details.fold summary::after{content:" 展开";color:#15803d;font-weight:600;font-size:14px}
details.fold[open] summary::after{content:" 收起"}
details.fold .fold-body{padding-top:14px}

.logo-img{width:40px;height:40px;border-radius:50%;object-fit:cover;background:#22c55e;display:block}
.logo-mark{display:none}