/* 主色调：随机渐变风格，响应式布局，平滑滚动支持 */
:root{
	--bg1:#ff6b6b;
	--bg2:#ffd93d;
	--accent:#3ddc84;
	--muted:#5b5b5b;
	--max-width:1100px;
	--radius:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
	font-family:Inter, "Helvetica Neue", Arial, sans-serif;
	margin:0;
	color:#111;
	background:linear-gradient(135deg,var(--bg1),var(--bg2));
	min-height:100vh;
}
.container{max-width:var(--max-width);margin:0 auto;padding:24px}
.site-header{background:rgba(255,255,255,0.08);backdrop-filter:blur(6px);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,0.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{font-weight:800;color:#fff;text-decoration:none;font-size:1.05rem}
.nav a{color:#fff;margin-left:16px;text-decoration:none}
#nav-toggle{display:none;background:transparent;border:0;color:#fff;font-size:1.25rem}
.hero{padding:48px 0;color:#fff}
.hero-inner{display:flex;gap:24px;align-items:center}
.hero-text h1{font-size:2rem;margin:0 0 12px}
.hero-text p{margin:6px 0;color:rgba(255,255,255,0.92)}
.btn{display:inline-block;padding:10px 14px;background:rgba(255,255,255,0.12);color:#fff;border-radius:8px;text-decoration:none}
.btn-primary{background:#111;color:#fff;padding:12px 18px;border-radius:10px;box-shadow:0 6px 18px rgba(0,0,0,0.25)}
.cards{display:flex;gap:18px;flex-wrap:wrap}
.card{background:linear-gradient(180deg,rgba(255,255,255,0.06),rgba(255,255,255,0.02));padding:12px;border-radius:var(--radius);width:calc(33% - 12px);color:#fff;box-shadow:0 8px 30px rgba(0,0,0,0.25)}
.card img{width:100%;height:160px;object-fit:cover;border-radius:8px;display:block}
.card h3{margin:10px 0 6px}
.intro{margin-top:32px;color:#fff}
.features{display:flex;gap:12px;margin-top:12px;flex-wrap:wrap}
.features li{background:rgba(0,0,0,0.12);padding:8px 12px;border-radius:8px}
.news .news-item{background:rgba(255,255,255,0.04);padding:12px;margin-bottom:12px;border-radius:10px;color:#fff}
.product-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin:20px 0}
.product-card{background:#fff;padding:12px;border-radius:10px;color:#111;box-shadow:0 6px 20px rgba(0,0,0,0.12);transition:transform .28s ease}
.product-card img{width:100%;height:160px;object-fit:cover;border-radius:8px}
.product-card:hover{transform:translateY(-6px)}
.filters{display:flex;gap:10px;margin-top:12px}
.filter-btn{background:rgba(255,255,255,0.18);border:0;padding:8px 12px;border-radius:8px;color:#fff;cursor:pointer}
.filter-btn.active{background:#111;color:#fff;box-shadow:0 6px 18px rgba(0,0,0,0.2)}
.about-page .team-grid{display:flex;gap:12px;flex-wrap:wrap}
.team-grid figure{background:#fff;padding:8px;border-radius:8px;color:#111;flex:1;min-width:180px}
.team-grid img{width:100%;height:140px;object-fit:cover;border-radius:6px}
.contact-grid{display:grid;grid-template-columns:1fr 320px;gap:18px}
.contact-form input,.contact-form textarea{width:100%;padding:10px;border-radius:8px;border:1px solid #ddd;margin-bottom:10px}
.note{font-size:0.9rem;color:var(--muted)}
.site-footer{padding:18px 0;color:#fff}
.footer-inner{display:flex;justify-content:space-between;align-items:center}
/* 响应式 */
@media (max-width:900px){
	.hero-inner{flex-direction:column}
	.card{width:100%}
	.header-inner{gap:12px}
	.nav{display:none}
	#nav-toggle{display:block}
	.contact-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
	.hero-text h1{font-size:1.25rem}
	.cards{flex-direction:column}
}
/* 小型平滑进入动画 */
.fade-in{opacity:0;transform:translateY(10px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:none}