:root{
		--primary:#2563eb;
		--primary-dark:#1d4ed8;
		--primary-light:#eff4ff;
		--accent:#ff8a00;
		--ink:#0f172a;
		--text:#334155;
		--muted:#64748b;
		--bg:#f6f8fc;
		--card:#ffffff;
		--border:#e6ebf2;
		--shadow:0 10px 30px rgba(15,23,42,.08);
		--shadow-lg:0 20px 50px rgba(37,99,235,.18);
		--radius:18px;
		--maxw:1160px;
	}
	*{box-sizing:border-box;margin:0;padding:0}
	html{scroll-behavior:smooth;scroll-padding-top:72px}
	body{
		font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
		color:var(--text);
		background:var(--bg);
		line-height:1.7;
		-webkit-font-smoothing:antialiased;
	}
	a{text-decoration:none;color:inherit}
	img{max-width:100%;display:block}
	.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
	section{padding:84px 0;scroll-margin-top:72px}

	/* ===== 通用标题 ===== */
	.sec-head{text-align:center;max-width:720px;margin:0 auto 54px}
	.sec-tag{
		display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;
		color:var(--primary);background:var(--primary-light);
		padding:6px 16px;border-radius:999px;margin-bottom:16px;
	}
	.sec-head h2{font-size:34px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
	.sec-head p{color:var(--muted);margin-top:14px;font-size:16px}

	/* ===== 顶部导航 ===== */
	.nav{
		position:fixed;top:0;left:0;right:0;z-index:1000;
		display:flex;align-items:center;justify-content:space-between;
		height:64px;padding:0 22px;
		background:rgba(255,255,255,.82);
		backdrop-filter:saturate(180%) blur(14px);
		-webkit-backdrop-filter:saturate(180%) blur(14px);
		border-bottom:1px solid rgba(230,235,242,.7);
		transition:box-shadow .3s,background .3s;
	}
	.nav.scrolled{box-shadow:0 6px 24px rgba(15,23,42,.08)}
	.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:20px}
	.brand .logo-mark{
		width:34px;height:34px;border-radius:10px;flex:none;
		background:linear-gradient(135deg,var(--primary),#38bdf8);
		display:grid;place-items:center;color:#fff;font-size:17px;		box-shadow:0 6px 16px rgba(37,99,235,.4);
	}
	.nav-links{display:flex;align-items:center;gap:6px;list-style:none}
	.nav-links a{
		display:block;padding:8px 14px;border-radius:10px;
		font-size:15px;font-weight:500;color:var(--text);transition:.2s;
	}
	.nav-links a:hover{color:var(--primary);background:var(--primary-light)}
	.nav-links a.active{color:var(--primary);background:var(--primary-light);font-weight:700}
	.nav-links a.nav-cta{
		background:var(--primary);color:#fff;padding:9px 20px;border-radius:999px;
		font-weight:700;font-size:14px;transition:.2s;box-shadow:0 8px 20px rgba(37,99,235,.35);
	}
	.nav-links a.nav-cta:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}
	.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
	.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}

	/* ===== Hero ===== */
	.hero{
		position:relative;min-height:92vh;display:flex;align-items:center;
		color:#fff;overflow:hidden;padding:120px 0 90px;
	}
	.hero-bg{position:absolute;inset:0;background:url('../images/hero.jpg') center/cover no-repeat}
	.hero-bg::after{
		content:"";position:absolute;inset:0;
		background:linear-gradient(115deg,rgba(15,23,42,.92) 0%,rgba(29,78,216,.82) 55%,rgba(37,99,235,.55) 100%);
	}
	.hero .container{position:relative;z-index:2}
	.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
	.hero-badge{
		display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
		background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
		padding:7px 15px;border-radius:999px;margin-bottom:22px;backdrop-filter:blur(6px);
	}
	.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(255,138,0,.3)}
	.hero h1{font-size:clamp(32px,5vw,52px);line-height:1.18;font-weight:800;letter-spacing:-.02em}
	.hero h1 .hl{color:#ffd28a}
	.hero p.lead{margin:22px 0 32px;font-size:17px;color:rgba(255,255,255,.86);max-width:560px}
	.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
	.btn{
		display:inline-flex;align-items:center;gap:9px;padding:14px 28px;border-radius:999px;
		font-weight:700;font-size:15px;transition:.22s;cursor:pointer;border:0;
	}
	.btn-primary{background:#fff;color:var(--primary-dark);box-shadow:0 14px 30px rgba(0,0,0,.2)}
	.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(0,0,0,.28)}
	.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.4)}
	.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}

	/* Hero 右侧数据卡 */
	.hero-card{
		background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
		border-radius:22px;padding:30px;backdrop-filter:blur(14px);box-shadow:0 24px 60px rgba(0,0,0,.3);
	}
	.hero-card h3{font-size:18px;margin-bottom:18px;color:#fff;display:flex;align-items:center;gap:9px}
	.hero-card h3 i{color:var(--accent)}
	.stat-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
	.stat-cell{background:rgba(255,255,255,.1);border-radius:14px;padding:16px 14px;text-align:center}
	.stat-cell .num{font-size:26px;font-weight:800;color:#fff;line-height:1.1}
	.stat-cell .num small{font-size:14px;font-weight:700;color:#ffd28a}
	.stat-cell .lbl{font-size:13px;color:rgba(255,255,255,.8);margin-top:4px}

	/* ===== 信任数据条 ===== */
	.trust{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;padding:46px 0}
	.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
	.trust-item .n{font-size:36px;font-weight:800;letter-spacing:-.02em}
	.trust-item .n small{font-size:18px;font-weight:700;color:#bcd4ff}
	.trust-item .t{margin-top:6px;color:rgba(255,255,255,.85);font-size:15px}

	/* ===== 类目 ===== */
	.cats{background:var(--bg)}
	.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
	.cat-card{
		background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
		padding:34px 28px;transition:.25s;box-shadow:var(--shadow);
	}
	.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
	.cat-ico{
		width:58px;height:58px;border-radius:15px;display:grid;place-items:center;
		background:linear-gradient(135deg,var(--primary-light),#e0ecff);color:var(--primary);
		font-size:24px;margin-bottom:18px;transition:.25s;
	}
	.cat-card:hover .cat-ico{background:linear-gradient(135deg,var(--primary),#38bdf8);color:#fff;transform:scale(1.06)}
	.cat-card h4{font-size:19px;color:var(--ink);margin-bottom:8px;font-weight:700}
	.cat-card p{color:var(--muted);font-size:14.5px}

	/* ===== 交付方式 ===== */
	.deliver{background:#fff}
	.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative}
	.flow-step{text-align:center;position:relative}
	.flow-num{
		width:54px;height:54px;border-radius:50%;margin:0 auto 16px;
		display:grid;place-items:center;font-weight:800;font-size:20px;color:#fff;
		background:linear-gradient(135deg,var(--primary),#38bdf8);box-shadow:0 10px 24px rgba(37,99,235,.35);
		position:relative;z-index:2;
	}
	.flow-step::before{
		content:"";position:absolute;top:27px;left:50%;width:100%;height:2px;
		background:linear-gradient(90deg,var(--primary),#cbd5e1);z-index:1;
	}
	.flow-step:last-child::before{display:none}
	.flow-step .ico{font-size:22px;color:var(--primary);margin-bottom:10px}
	.flow-step h4{font-size:16px;color:var(--ink);margin-bottom:6px;font-weight:700}
	.flow-step p{font-size:13.5px;color:var(--muted)}

	/* ===== 产品展示 ===== */
	.works{background:var(--bg)}
	.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
	.work-card{
		position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
		aspect-ratio:4/3;transition:.3s;cursor:pointer;
	}
	.work-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
	.work-card img{width:100%;height:100%;object-fit:cover;transition:.4s}
	.work-card:hover img{transform:scale(1.06)}
	.work-mask{
		position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
		padding:22px;color:#fff;
		background:linear-gradient(to top,rgba(15,23,42,.85),rgba(15,23,42,.1) 60%,transparent);
	}
	.work-mask .tag{font-size:12px;background:var(--accent);padding:3px 10px;border-radius:999px;align-self:flex-start;font-weight:700}
	.work-mask h4{font-size:19px;margin-top:10px;font-weight:700}
	.work-mask .arrow{position:absolute;top:20px;right:20px;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.2);display:grid;place-items:center;font-size:16px;backdrop-filter:blur(4px)}

	/* ===== 价格套餐 ===== */
	.price{background:#fff}
	.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
	.price-card{
		background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
		padding:38px 30px;display:flex;flex-direction:column;transition:.25s;position:relative;box-shadow:var(--shadow);
	}
	.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
	.price-card.hot{border:2px solid var(--primary);transform:scale(1.04);box-shadow:var(--shadow-lg)}
	.price-card.hot:hover{transform:scale(1.04) translateY(-6px)}
	.hot-badge{
		position:absolute;top:-13px;left:50%;transform:translateX(-50%);
		background:linear-gradient(135deg,var(--accent),#ff6a00);color:#fff;font-size:12px;font-weight:700;
		padding:5px 16px;border-radius:999px;box-shadow:0 8px 18px rgba(255,106,0,.4);
	}
	.price-ico{width:56px;height:56px;border-radius:15px;display:grid;place-items:center;font-size:24px;color:#fff;background:linear-gradient(135deg,var(--primary),#38bdf8);margin-bottom:18px}
	.price-card h3{font-size:21px;color:var(--ink);font-weight:800}
	.price-val{font-size:42px;font-weight:800;color:var(--ink);margin:14px 0 4px}
	.price-val em{font-style:normal;font-size:22px;vertical-align:super;color:var(--muted)}
	.price-val span{font-size:15px;color:var(--muted);font-weight:500}
	.price-card ul{list-style:none;margin:22px 0;flex:1}
	.price-card li{padding:9px 0;border-bottom:1px dashed var(--border);font-size:14.5px;color:var(--text);display:flex;align-items:center;gap:9px}
	.price-card li i{color:var(--primary);font-size:13px}
	.price-btn{
		display:block;text-align:center;padding:13px;border-radius:12px;font-weight:700;transition:.2s;
		background:var(--primary-light);color:var(--primary-dark);
	}
	.price-btn:hover{background:var(--primary);color:#fff}

	/* ===== 关于 ===== */
	.about{background:var(--bg)}
	.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
	.about-grid h2{font-size:30px;color:var(--ink);font-weight:800;margin-bottom:18px}
	.about-grid p{color:var(--text);font-size:16px;margin-bottom:22px}
	.about-facts{display:grid;grid-template-columns:1fr 1fr;gap:16px}
	.about-fact{background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
	.about-fact .k{font-size:13px;color:var(--muted)}
	.about-fact .v{font-size:17px;font-weight:700;color:var(--ink);margin-top:4px}
	.about-visual{
		border-radius:var(--radius);padding:36px;color:#fff;
		background:linear-gradient(135deg,var(--primary-dark),var(--primary));
		box-shadow:var(--shadow-lg);text-align:center;
	}
	.about-visual .big{font-size:60px;font-weight:800;letter-spacing:-.02em}
	.about-visual .sub{opacity:.9;margin-top:6px}

	/* ===== 评价 ===== */
	.reviews{background:#fff}
	.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
	.review-card{
		background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
		padding:30px 28px;box-shadow:var(--shadow);position:relative;
	}
	.review-card .quote{font-size:46px;color:var(--primary-light);line-height:1;font-family:Georgia,serif}
	.review-card p{color:var(--text);font-size:15px;margin:6px 0 20px}
	.review-user{display:flex;align-items:center;gap:13px}
	.review-user img{width:48px;height:48px;border-radius:50%;object-fit:cover;border:2px solid var(--primary-light)}
	.review-user .nm{font-weight:700;color:var(--ink)}
	.review-user .rl{font-size:13px;color:var(--muted)}

	/* ===== 联系 ===== */
	.contact{background:var(--bg)}
	.contact-grid{display:grid;grid-template-columns:1fr 360px;gap:40px;align-items:center}
	.contact-info{display:flex;flex-direction:column;gap:16px}
	.ci-item{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow)}
	.ci-item .ico{width:46px;height:46px;border-radius:12px;flex:none;display:grid;place-items:center;font-size:20px;color:#fff;background:linear-gradient(135deg,var(--primary),#38bdf8)}
	.ci-item h5{font-size:15px;color:var(--ink);margin-bottom:2px}
	.ci-item span{font-size:14px;color:var(--muted)}
	.qr-card{
		background:#fff;border:1px solid var(--border);border-radius:var(--radius);
		padding:30px;text-align:center;box-shadow:var(--shadow-lg);
	}
	.qr-card img{width:200px;height:200px;margin:0 auto 14px;border-radius:12px}
	.qr-card h4{color:var(--ink);font-size:18px;margin-bottom:6px}
	.qr-card p{color:var(--muted);font-size:14px}

	/* ===== 平台优势 ===== */
	.adv{background:var(--bg)}
	.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
	.adv-card{
		background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
		padding:30px 26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s,border-color .3s;
	}
	.adv-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}
	.adv-ico{
		width:54px;height:54px;border-radius:14px;display:grid;place-items:center;font-size:23px;color:#fff;
		background:linear-gradient(135deg,var(--primary),#38bdf8);margin-bottom:18px;
	}
	.adv-card h4{font-size:18px;color:var(--ink);margin-bottom:10px}
	.adv-card p{font-size:14.5px;color:var(--text);line-height:1.7}

	/* ===== 资讯动态 ===== */
	.news{background:#fff}
	.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
	.news-card{
		display:flex;gap:18px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
		padding:22px 24px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;
	}
	.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
	.news-date{flex:none;width:62px;text-align:center;border-right:1px solid var(--border);padding-right:16px}
	.news-date .d{font-size:26px;font-weight:800;color:var(--primary);line-height:1}
	.news-date .m{font-size:12.5px;color:var(--muted);margin-top:5px}
	.news-body h4{font-size:16px;color:var(--ink);margin-bottom:8px;line-height:1.5}
	.news-body p{font-size:14px;color:var(--text);line-height:1.7;margin-bottom:10px}
	.news-body a.more{font-size:13.5px;color:var(--primary);font-weight:600}
	.news-body a.more:hover{text-decoration:underline}

	/* ===== 页脚 ===== */
	.footer{background:var(--ink);color:rgba(255,255,255,.7);padding:54px 0 26px}
	.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:30px;margin-bottom:34px}
	.footer .brand{color:#fff;margin-bottom:14px}
	.footer p.desc{font-size:14px;max-width:320px}
	.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
	.footer-tags span{font-size:12px;color:rgba(255,255,255,.72);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:4px 11px;border-radius:999px}
	.footer h5{color:#fff;font-size:15px;margin-bottom:16px}
	.footer ul{list-style:none}
	.footer ul li{margin-bottom:10px}
	.footer ul a{font-size:14px;color:rgba(255,255,255,.7);transition:.2s}
	.footer ul a:hover{color:#fff;padding-left:4px}
	.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;text-align:center;font-size:13px;color:rgba(255,255,255,.55)}
	.footer-bottom a{color:rgba(255,255,255,.7)}
	.footer-bottom img{width:15px;height:15px;vertical-align:-3px;margin-right:5px}

	/* ===== 返回顶部 ===== */
	#toTop{
		position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:14px;
		background:var(--primary);color:#fff;display:grid;place-items:center;font-size:18px;
		box-shadow:0 10px 26px rgba(37,99,235,.45);opacity:0;pointer-events:none;transform:translateY(12px);
		transition:.3s;z-index:999;cursor:pointer;
	}
	#toTop.show{opacity:1;pointer-events:auto;transform:translateY(0)}
	#toTop:hover{background:var(--primary-dark)}


	/* ===== 适用场景 ===== */
	.scenes{background:linear-gradient(180deg,#f8fafc,#fff)}
	.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
	.scene-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:30px 24px;transition:.25s}
	.scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}
	.scene-ico{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,var(--primary),#38bdf8);display:grid;place-items:center;color:#fff;font-size:22px;margin-bottom:16px;box-shadow:0 8px 20px rgba(37,99,235,.28)}
	.scene-card h4{font-size:17px;margin-bottom:9px;color:var(--ink)}
	.scene-card p{font-size:14px;color:var(--text);line-height:1.75}

	/* ===== 常见问题 ===== */
	.faq{background:#fff}
	.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
	.faq-item{background:#f8fafc;border:1px solid var(--border);border-radius:14px;padding:0 20px;transition:.25s}
	.faq-item[open]{background:#fff;border-color:var(--primary-light);box-shadow:var(--shadow)}
	.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 0;font-size:16px;font-weight:600;color:var(--ink)}
	.faq-item summary::-webkit-details-marker{display:none}
	.faq-item summary i{color:var(--primary);transition:transform .25s;flex:none}
	.faq-item[open] summary i{transform:rotate(180deg)}
	.faq-a{padding:0 0 18px;font-size:14.5px;color:var(--text);line-height:1.85}
	/* ===== 响应式 ===== */
	@media (max-width:980px){
		.hero-grid{grid-template-columns:1fr;gap:32px}
		.cat-grid,.work-grid,.price-grid{grid-template-columns:repeat(2,1fr)}
		.flow{grid-template-columns:repeat(2,1fr);gap:30px}
		.flow-step::before{display:none}
		.about-grid,.contact-grid{grid-template-columns:1fr}
		.trust-grid{grid-template-columns:repeat(2,1fr);gap:30px}
		.adv-grid{grid-template-columns:repeat(2,1fr)}
		.scene-grid{grid-template-columns:repeat(2,1fr)}
		.news-grid{grid-template-columns:1fr}
		.footer-grid{grid-template-columns:1fr 1fr}
	}
	@media (max-width:760px){
		.nav-links{
			position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;
			align-items:stretch;gap:0;padding:10px 16px 18px;box-shadow:0 14px 30px rgba(15,23,42,.12);
			transform:translateY(-12px);opacity:0;pointer-events:none;transition:.25s;
		}
		.nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
		.nav-links a{padding:12px 14px}
		.nav-cta{margin:8px 14px 0;text-align:center}
		.nav-toggle{display:flex}
		.sec-head h2{font-size:27px}
		section{padding:60px 0}
		.cat-grid,.work-grid,.price-grid,.review-grid,.about-facts{grid-template-columns:1fr}
		.adv-grid{grid-template-columns:1fr}
		.scene-grid{grid-template-columns:1fr}
		.price-card.hot{transform:none}
		.price-card.hot:hover{transform:translateY(-6px)}
		.trust-grid{grid-template-columns:1fr 1fr}
		.footer-grid{grid-template-columns:1fr}
	}
	.fade-up{opacity:0;transform:translateY(24px);transition:.6s ease}
	.fade-up.in{opacity:1;transform:none}