/* 视觉增强样式 */
:root{
	--bg: linear-gradient(180deg,#071027 0%, #08142a 70%);
	--text: #FFFFFF;
	--muted: #C5D9F0;
	--accent: #00B4D8;
	--accent-2: #48CAE4;
	--glass: rgba(255,255,255,0.04);
	--card-bg: rgba(255,255,255,0.03);
	--card-strong: rgba(255,255,255,0.06);
	--container:1100px;
	--radius:12px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family: 'Inter', -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;opacity:1;transition:opacity 0.6s ease-out;overflow-x:hidden}

/* Page loading animation */
body.page-loading{opacity:0}
body.page-loaded{opacity:1}

/* Scroll progress indicator */
.scroll-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-2));width:0%;z-index:9999;transition:width 0.1s ease-out;box-shadow:0 0 12px rgba(0,180,216,0.5)}

/* Animated grid background */
.grid-bg{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;opacity:0.4}
.grid-bg::before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(rgba(0,180,216,0.03) 1px, transparent 1px),linear-gradient(90deg, rgba(0,180,216,0.03) 1px, transparent 1px);background-size:50px 50px;animation:grid-move 20s linear infinite}
.grid-bg::after{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 50% 50%, rgba(0,180,216,0.08) 0%, transparent 50%);animation:grid-pulse 8s ease-in-out infinite}

@keyframes grid-move{0%{background-position:0 0}100%{background-position:50px 50px}}
@keyframes grid-pulse{0%,100%{opacity:0.3;transform:scale(1)}50%{opacity:0.6;transform:scale(1.1)}}
.container{max-width:var(--container);margin:0 auto;padding:28px;position:relative;z-index:1}
.topbar{backdrop-filter:saturate(120%) blur(6px);background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));border-bottom:1px solid rgba(255,255,255,0.03);position:relative;z-index:999}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 28px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.logo{width:44px;height:44px}
.brand-name{font-weight:800;font-size:18px;color:var(--text)}
.nav a{color:var(--muted);margin-left:18px;text-decoration:none}
.nav a:hover{color:#ffffff}
.lang-toggle{margin-left:12px;background:transparent;border:1px solid rgba(255,255,255,0.1);color:#fff;padding:6px 10px;border-radius:8px;cursor:pointer}
.lang-toggle:hover{border-color:rgba(255,255,255,0.2)}

.hero{position:relative;padding:56px 0}
.hero-inner{display:flex;gap:40px;align-items:center}
.hero-copy{flex:1}
.hero-media{flex:1;display:flex;justify-content:center;margin-top:10px}
.hero-media img{max-width:100%;border-radius:16px;height:auto;max-height:560px}
.hero-media .device-frame{display:block;border-radius:20px;padding:10px 10px 14px;background:linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.06));border:1px solid rgba(255,255,255,0.28);box-shadow:0 14px 28px rgba(2,6,23,0.5), 0 0 28px rgba(255,255,255,0.08), 0 0 24px rgba(72,202,228,0.08);position:relative}
.hero-media .device-frame::before{content:"";position:absolute;top:10px;left:50%;transform:translateX(-50%);width:5px;height:5px;border-radius:50%;background:rgba(0,0,0,0.55);border:1px solid rgba(255,255,255,0.26);box-shadow:0 0 0 2px rgba(255,255,255,0.08)}
.hero-media .device-frame::after{content:"";position:absolute;bottom:10px;left:50%;transform:translateX(-50%);width:48px;height:2px;border-radius:999px;background:rgba(255,255,255,0.18)}
.hero-media .device-screen{border-radius:16px;overflow:hidden;background:#000}
.hero-media .device-screen img{display:block;width:100%;height:auto}
.hero-copy h1{font-family:'Inter',system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial; font-weight:800}
.lead{color:var(--muted);font-size:18px;margin-top:8px}
.cta{margin-top:18px}
.btn{display:inline-block;padding:12px 20px;border-radius:12px;text-decoration:none;font-weight:700;transition:transform .16s ease,box-shadow .16s ease}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#002B36;box-shadow:0 12px 36px rgba(0,180,216,0.18)}
.btn.primary:hover{transform:translateY(-3px);box-shadow:0 22px 48px rgba(0,180,216,0.24)}
.btn.outline{background:transparent;border:1px solid rgba(255,255,255,0.15);color:#FFFFFF}
.btn.outline:hover{background:rgba(255,255,255,0.02);border-color:var(--card-strong)}
.btn.small{padding:8px 12px;font-size:14px}

/* CTA micro-interaction */
.btn.primary{display:inline-flex;align-items:center;gap:12px}
.btn-icon{display:inline-block;transition:transform .22s cubic-bezier(.2,.9,.2,1);font-weight:800}
.btn.primary:hover .btn-icon{transform:translateX(6px)}
.btn.primary:active{transform:translateY(-1px) scale(.995)}
.btn.primary::before{content:'';position:absolute;left:0;right:0;top:0;bottom:0;border-radius:14px;pointer-events:none;box-shadow:0 8px 30px rgba(0,180,216,0.08);opacity:0;transition:opacity .28s}
.btn.primary:hover::before{opacity:1}

/* small pulsing accent for hero CTA */
.cta .pulse{width:10px;height:10px;border-radius:999px;background:var(--accent);box-shadow:0 0 0 6px rgba(0,180,216,0.1);display:inline-block;margin-left:8px;vertical-align:middle;animation:pulse 2s infinite}
@keyframes pulse{0%{transform:scale(.9);opacity:.9}70%{transform:scale(1.8);opacity:0}100%{transform:scale(1.8);opacity:0}}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(14px) scale(0.995);transition:opacity .6s cubic-bezier(.2,.9,.2,1),transform .6s cubic-bezier(.2,.9,.2,1)}
.reveal.visible{opacity:1;transform:none}

/* Testimonials */
.testimonials{padding:36px 0}
.test-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.test-card{position:relative;background:linear-gradient(180deg, rgba(6,18,40,0.72), rgba(8,20,40,0.52));padding:22px;border-radius:12px;border:1px solid rgba(255,255,255,0.06);backdrop-filter:blur(8px);box-shadow:0 18px 48px rgba(2,6,23,0.6)}
.test-card .quote{font-style:italic;color:#ffffff;font-size:17px;line-height:1.6;text-shadow:0 6px 18px rgba(2,6,23,0.6);margin:0}
.test-card .meta{margin-top:14px;color:rgba(223,236,255,0.9);font-size:13px}
.test-card::after{content:"";position:absolute;left:14px;top:14px;bottom:14px;width:4px;border-radius:6px;background:linear-gradient(180deg,var(--accent),var(--accent-2));opacity:0.98}

/* Animated grid background */
.grid-bg{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;opacity:0.4}
.grid-bg::before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(rgba(0,180,216,0.03) 1px, transparent 1px),linear-gradient(90deg, rgba(0,180,216,0.03) 1px, transparent 1px);background-size:50px 50px;animation:grid-move 20s linear infinite}
.grid-bg::after{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 50% 50%, rgba(0,180,216,0.08) 0%, transparent 50%);animation:grid-pulse 8s ease-in-out infinite}

@keyframes grid-move{0%{background-position:0 0}100%{background-position:50px 50px}}
@keyframes grid-pulse{0%,100%{opacity:0.3;transform:scale(1)}50%{opacity:0.6;transform:scale(1.1)}}

/* Decorative blobs in hero */
.hero::before{content:"";position:absolute;left:0;right:0;top:0;height:360px;background:radial-gradient(600px 200px at 10% 10%, rgba(0,180,216,0.1), transparent 20%), radial-gradient(400px 120px at 90% 30%, rgba(72,202,228,0.06), transparent 32%);pointer-events:none}

/* small screens tweaks for new sections */
@media (max-width:900px){
	.test-grid{grid-template-columns:1fr}
	.hero::before{height:220px}
}

.trust{display:flex;gap:12px;margin-top:18px;list-style:none;padding:0;color:var(--muted)}

.features{padding:36px 0}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:linear-gradient(180deg, var(--card-bg), rgba(255,255,255,0.01));padding:20px;border-radius:12px;border:1px solid var(--card-strong);backdrop-filter:blur(6px)}
.card h3{margin-top:0;color:#ffffff}

.screens{padding:28px 0}
.screens-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;align-items:start}
.screens-grid .device-frame{display:block;border-radius:16px;padding:6px 6px 10px;background:linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));border:1px solid rgba(255,255,255,0.22);box-shadow:0 10px 20px rgba(2,6,23,0.5), 0 0 20px rgba(255,255,255,0.06), 0 0 18px rgba(72,202,228,0.06);position:relative;transition:transform .2s ease, box-shadow .2s ease;will-change:transform}
.screens-grid .device-frame::before{content:"";position:absolute;top:8px;left:50%;transform:translateX(-50%);width:5px;height:5px;border-radius:50%;background:rgba(0,0,0,0.55);border:1px solid rgba(255,255,255,0.26);box-shadow:0 0 0 2px rgba(255,255,255,0.08)}
.screens-grid .device-frame::after{content:"";position:absolute;bottom:8px;left:50%;transform:translateX(-50%);width:44px;height:2px;border-radius:999px;background:rgba(255,255,255,0.18)}
.screens-grid .device-frame:hover{transform:translateY(-1.5px) scale(1.003);box-shadow:0 14px 26px rgba(2,6,23,0.56), 0 0 24px rgba(255,255,255,0.08), 0 0 22px rgba(72,202,228,0.08)}
.screens-grid .device-screen{border-radius:12px;overflow:hidden;background:#000}
.screens-grid .device-screen img{display:block;width:100%;height:auto}

.pricing{padding:28px 0}
.pricing-cards{display:flex;gap:18px}
.pricing .card{flex:1;text-align:center}
.featured{border:1px solid rgba(255,255,255,0.06);box-shadow:0 12px 30px rgba(0,0,0,0.6)}

.contact{padding:28px 0}

.site-footer{border-top:1px solid rgba(255,255,255,0.04);padding:20px 0;margin-top:40px;background:transparent}
.footer-inner{display:flex;justify-content:space-between;align-items:center;color:var(--muted)}
.foot-nav a{color:var(--muted);margin-left:14px;text-decoration:none}

@media (max-width:900px){
	.hero-inner{flex-direction:column-reverse}
	.grid{grid-template-columns:1fr}
	.screens-grid{grid-template-columns:1fr}
	.pricing-cards{flex-direction:column}
	.topbar-inner{padding:10px}
}
.container{max-width:980px;margin:0 auto;padding:24px}
.site-header{background:linear-gradient(90deg,var(--accent),#ff6a00);color:#fff;padding:28px 0}
.brand{margin:0;font-size:28px}
.tag{margin:6px 0 0;font-size:14px;opacity:.95}
.hero{background:var(--card);padding:28px;border-radius:10px;margin-top:-32px;box-shadow:0 6px 18px rgba(0,0,0,0.06)}
.hero h2{margin-top:0}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none;margin-right:12px}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid rgba(255,255,255,0.12)}
.features, .screenshots, .download, .deploy{margin-top:20px;background:var(--card);padding:18px;border-radius:10px}
.features ul{padding-left:18px}
.shots{display:flex;gap:12px;flex-wrap:wrap}
.shot{flex:1 1 200px;height:120px;background:linear-gradient(180deg,rgba(0,0,0,0.03),rgba(0,0,0,0.01));border-radius:8px;display:flex;align-items:center;justify-content:center;color:#666}
.muted{color:#888;font-size:13px}
.site-footer{padding:18px 0;text-align:center;color:#666;margin-top:24px}
@media(max-width:600px){.container{padding:12px}.hero{margin-top:-20px}.shots{flex-direction:column}.btn{display:block;margin-bottom:8px}}