:root{
	/* 风格与主色随机（选用活力渐变） */
	--bg:#0f172a;
	--card:#0b1220;
	--accent1:#ff7a18;
	--accent2:#ffd200;
	--muted: #cbd5e1;
	--glass: rgba(255,255,255,0.03);
	--max-width:1100px;
	--radius:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
	font-family:Inter, "Helvetica Neue", Arial, sans-serif;
	margin:0;
	background:linear-gradient(180deg,var(--bg),#071024 150%);
	color:var(--muted);
	-webkit-font-smoothing:antialiased;
}
.container{max-width:var(--max-width);margin:0 auto;padding:1rem}
.site-header{background:linear-gradient(90deg,var(--card),rgba(11,18,32,0.8));backdrop-filter:blur(6px);position:sticky;top:0;z-index:40}
.header-inner{display:flex;align-items:center;gap:1rem;justify-content:space-between;padding:0.75rem 0}
.brand{color:var(--accent2);font-weight:700;text-decoration:none}
.main-nav a{color:var(--muted);text-decoration:none;margin-left:1rem}
.menu-toggle{display:none;background:transparent;border:0;color:var(--muted);font-size:1.2rem}
.hero{padding:3rem 0}
.hero-inner{display:flex;gap:2rem;align-items:center}
.hero-text h1{color:var(--accent1);margin:0 0 0.5rem;font-size:clamp(1.5rem,3vw,2.2rem)}
.lead{color:rgba(255,255,255,0.85)}
.btn{display:inline-block;background:linear-gradient(90deg,var(--accent1),var(--accent2));color:#071024;padding:0.6rem 1rem;border-radius:999px;text-decoration:none;font-weight:700}
.btn-outline{display:inline-block;border:1px solid rgba(255,255,255,0.08);padding:0.5rem 0.75rem;border-radius:10px;color:var(--muted);text-decoration:none}
.hero-image img{width:320px;height:200px;object-fit:cover;border-radius:12px;box-shadow:0 6px 30px rgba(0,0,0,0.6)}
.intro, .products-preview, .news{padding:2rem 0}
.grid{display:grid;gap:1rem}
.products-grid{grid-template-columns:repeat(3,1fr)}
.product-card{background:var(--glass);padding:1rem;border-radius:var(--radius);transition:transform .28s ease,box-shadow .28s ease}
.product-card img{width:100%;height:160px;object-fit:cover;border-radius:8px;margin-bottom:0.5rem}
.product-card h3{color:var(--accent2);margin:0 0 0.4rem}
.cta{margin-top:1rem}
.news-item{background:rgba(0,0,0,0.2);padding:1rem;border-radius:10px;margin-bottom:0.6rem}
.site-footer{border-top:1px solid rgba(255,255,255,0.03);padding:1.2rem 0;margin-top:2rem}
.footer-inner{display:flex;justify-content:space-between;align-items:center}
.contact-grid{display:grid;grid-template-columns:1fr 320px;gap:1rem}
.contact-form label{display:block;margin-bottom:0.6rem;color:var(--muted)}
.contact-form input,.contact-form textarea{width:100%;padding:0.5rem;border-radius:8px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:var(--muted)}
.form-note{font-size:0.85rem;color:rgba(255,255,255,0.6)}
.team-grid{grid-template-columns:repeat(2,1fr)}
.team-member img{width:100%;height:160px;object-fit:cover;border-radius:8px}
.team-member h3{color:var(--accent1)}
.filters{display:flex;gap:1rem;align-items:center;margin:1rem 0}
.filters select,.filters input{padding:0.4rem;border-radius:8px;background:transparent;border:1px solid rgba(255,255,255,0.04);color:var(--muted)}
@media(max-width:900px){
	.hero-inner{flex-direction:column-reverse;text-align:center}
	.products-grid{grid-template-columns:repeat(2,1fr)}
	.contact-grid{grid-template-columns:1fr}
	.menu-toggle{display:block}
	.main-nav{display:none}
}
@media(max-width:600px){
	.products-grid{grid-template-columns:1fr}
	.hero-image img{width:100%;height:220px}
	.team-grid{grid-template-columns:1fr}
}

/* 小动画 */
.product-card:hover{transform:translateY(-6px);box-shadow:0 10px 30px rgba(0,0,0,0.6)}
.news-item{transform-origin:left;transition:transform .3s ease}
.news-item:hover{transform:translateX(6px)}