/* Typography & base */
:root{
	--brand:#0b6cff;
	--brand-600:#0959d3;
	--ink:#0f172a;
	--muted:#475569;
	--bg:#ffffff;
	--bg-alt:#f8fafc;
	--line:#e2e8f0;
	--ok:#16a34a;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
	font-family:'Noto Sans SC',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
	color:var(--ink);
	background:var(--bg);
	line-height:1.6;
}
a{color:var(--ink);text-decoration:none}
.container{
	max-width:1120px;
	margin:0 auto;
	padding:0 16px;
}

/* Header */
.site-header{
	position:sticky;top:0;z-index:1000;
	background:rgba(255,255,255,0.9);
	backdrop-filter:saturate(180%) blur(8px);
	border-bottom:1px solid var(--line);
}
.header-inner{
	display:flex;align-items:center;justify-content:space-between;
	height:64px;
}
.brand-link{font-weight:700;color:var(--ink)}
.nav-toggle{display:none;background:none;border:0;font-size:22px;cursor:pointer}
.site-nav ul{display:flex;gap:20px;list-style:none;margin:0;padding:0}
.site-nav a{padding:8px 10px;border-radius:8px}
.site-nav a:hover{background:var(--bg-alt)}
.site-nav a:focus{outline:2px solid var(--brand);outline-offset:2px}

/* Hero */
.hero{
	padding:72px 0 48px;
	background:linear-gradient(180deg, rgba(11,108,255,0.06), transparent 46%);
}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.hero-copy h1{
	margin:0 0 8px 0;
	font-size:32px;line-height:1.25;
}
.hero-copy p{color:var(--muted);margin:0 0 20px 0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.hero-points{margin:10px 0 0 0;padding-left:18px;color:var(--muted)}
.hero-media img{width:100%;height:auto;border-radius:14px;box-shadow:0 6px 20px rgba(15,23,42,.08)}

/* Sections */
.section{padding:56px 0}
.section.alt{background:var(--bg-alt)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.card{
	border:1px solid var(--line);border-radius:12px;padding:16px;background:#fff;
}
.grid.two{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.block{border:1px dashed var(--line);border-radius:12px;padding:16px;background:#fff}
.list{margin:8px 0 0 18px;color:var(--muted)}
.note{margin-top:12px;color:var(--muted);font-size:14px}
.tech-figure{margin-top:14px}
.tech-figure img{width:100%;height:auto;border-radius:12px;border:1px solid var(--line);background:#fff}
.steps{margin-top:8px}
.steps li{margin:8px 0}
.process-media{margin-top:14px}
.process-media img{width:100%;height:auto;border-radius:12px;border:1px solid var(--line);background:#fff}

/* Table */
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
.table{width:100%;border-collapse:collapse;min-width:560px}
.table th,.table td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.table thead th{background:#f1f5f9;font-weight:600}
.table tbody tr:last-child td{border-bottom:0}

/* Buttons */
.btn{
	display:inline-flex;align-items:center;justify-content:center;
	height:40px;padding:0 14px;border-radius:10px;border:1px solid var(--line);
	background:#fff;color:var(--ink);cursor:pointer;font-weight:500;
	transition:all .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-600)}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;font-weight:600}
.faq p{margin:8px 0 0 0;color:var(--muted)}

/* Contact */
.contact-form{max-width:560px;margin-top:8px}
.form-row{display:flex;flex-direction:column;margin-bottom:12px}
.form-row label{font-size:14px;color:var(--muted);margin-bottom:6px}
.form-row input,.form-row textarea{
	border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit;
}
.form-row input:focus,.form-row textarea:focus{outline:2px solid var(--brand);outline-offset:2px}
.contact-media{margin-top:14px}
.contact-media img{width:180px;height:auto;border-radius:10px;border:1px solid var(--line);background:#fff}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:#fff}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 0}
.footer-links{display:flex;gap:12px}
.footer-links a{color:var(--muted)}

/* Responsive */
@media (max-width: 960px){
	.cards{grid-template-columns:1fr 1fr}
	.grid.two{grid-template-columns:1fr}
}
@media (max-width: 720px){
	.hero-inner{grid-template-columns:1fr}
	.hero-copy h1{font-size:26px}
	.site-nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line)}
	.site-nav ul{flex-direction:column;padding:10px}
	.nav-toggle{display:block}
	.site-nav.open{display:block}
	.cards{grid-template-columns:1fr}
}