/* Quickq / Telegram Landing - Compressed CSS */
:root{--primary:#229ED9;--primary-dark:#1a7fb0;--bg:#f8fafc;--text:#1e293b;--text-light:#64748b;--white:#fff;--shadow:0 4px 20px rgba(0,0,0,.08);--radius:12px}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* Nav */
nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid rgba(0,0,0,.05);transition:.3s}
nav.scrolled{background:rgba(255,255,255,.98);box-shadow:0 2px 10px rgba(0,0,0,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.4rem;font-weight:700;color:var(--primary)}
.logo img{height:36px;width:auto}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-weight:500;transition:.2s}
.nav-links a:hover{color:var(--primary)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:8px;font-weight:600;transition:.3s;border:none;cursor:pointer;position:relative;overflow:hidden}
.btn-primary{background:linear-gradient(135deg,var(--primary),#1a8cc7);color:#fff;box-shadow:0 4px 15px rgba(34,158,217,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(34,158,217,.4)}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 10px rgba(34,158,217,.3)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-outline:active{transform:scale(0.98)}
.ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.4);transform:scale(0);animation:ripple .6s linear;pointer-events:none}
@keyframes ripple{to{transform:scale(4);opacity:0}}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer}
.hamburger span{width:25px;height:3px;background:var(--text);border-radius:2px;transition:.3s}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(6px,6px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}
/* Hero */
.hero{padding:140px 0 80px;background:linear-gradient(135deg,#f0f9ff 0%,#e0f2fe 100%);position:relative;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero h1{font-size:3.2rem;font-weight:800;line-height:1.2;margin-bottom:20px;background:linear-gradient(135deg,#0f172a,#229ED9);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:1.25rem;color:var(--text-light);margin-bottom:30px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:30px}
.stats{display:flex;gap:30px}
.stat{text-align:center}
.stat strong{display:block;font-size:1.8rem;color:var(--primary);font-weight:700}
.hero-visual{position:relative}
.demo-card{background:#fff;border-radius:20px;box-shadow:0 20px 60px rgba(34,158,217,.15);padding:20px;max-width:400px;margin:0 auto}
.demo-header{display:flex;align-items:center;gap:12px;margin-bottom:20px;padding-bottom:15px;border-bottom:1px solid #eee}
.demo-header img{width:48px;height:48px;border-radius:50%}
.chat-bubble{background:#e3f2fd;padding:12px 16px;border-radius:18px 18px 18px 4px;margin-bottom:12px;max-width:80%}
.chat-bubble.me{background:var(--primary);color:#fff;border-radius:18px 18px 4px 18px;margin-left:auto}
/* Features */
.section{padding:80px 0}
.section h2{font-size:2.4rem;text-align:center;margin-bottom:16px;font-weight:700}
.section .subtitle{text-align:center;color:var(--text-light);margin-bottom:50px;font-size:1.1rem}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.feature-card{background:#fff;border-radius:var(--radius);padding:30px;text-align:center;box-shadow:var(--shadow);transition:.4s cubic-bezier(.25,.8,.25,1);cursor:pointer}
.feature-card:hover{transform:translateY(-10px) scale(1.02);box-shadow:0 16px 48px rgba(34,158,217,.18)}
.feature-card:active{transform:translateY(-4px) scale(0.98)}
.feature-card img{width:80px;height:80px;margin-bottom:20px;object-fit:contain;transition:.4s}
.feature-card:hover img{transform:scale(1.15) rotate(5deg)}
.feature-card h3{font-size:1.3rem;margin-bottom:12px}
.feature-card p{color:var(--text-light);font-size:.95rem}
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.feature-card,.download-card,.faq-item{animation:fadeInUp .6s ease forwards;opacity:0}
.feature-card:nth-child(1){animation-delay:.1s}
.feature-card:nth-child(2){animation-delay:.2s}
.feature-card:nth-child(3){animation-delay:.3s}
.feature-card:nth-child(4){animation-delay:.4s}
.feature-card:nth-child(5){animation-delay:.5s}
.feature-card:nth-child(6){animation-delay:.6s}
.chat-bubble{background:#e3f2fd;padding:12px 16px;border-radius:18px 18px 18px 4px;margin-bottom:12px;max-width:80%;animation:bubbleIn .5s ease forwards;opacity:0}
.chat-bubble.me{background:var(--primary);color:#fff;border-radius:18px 18px 4px 18px;margin-left:auto}
.chat-bubble:nth-child(3){animation-delay:.3s}
.chat-bubble:nth-child(4){animation-delay:.6s}
.chat-bubble:nth-child(5){animation-delay:.9s}
@keyframes bubbleIn{from{opacity:0;transform:translateY(10px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}
.demo-card{background:#fff;border-radius:20px;box-shadow:0 20px 60px rgba(34,158,217,.15);padding:20px;max-width:400px;margin:0 auto;transition:.3s}
.demo-card:hover{transform:translateY(-5px);box-shadow:0 25px 70px rgba(34,158,217,.22)}
.stat strong{display:block;font-size:1.8rem;color:var(--primary);font-weight:700;transition:.3s}
.stat:hover strong{transform:scale(1.1)}
/* Download */
.download-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;margin-top:40px}
.download-card{background:#fff;border-radius:var(--radius);padding:30px;text-align:center;box-shadow:var(--shadow);border:2px solid transparent;transition:.4s cubic-bezier(.25,.8,.25,1)}
.download-card:hover{transform:translateY(-8px);box-shadow:0 16px 40px rgba(34,158,217,.15)}
.download-card.popular{border-color:var(--primary);position:relative}
.download-card.popular::before{content:"最受欢迎";position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;padding:4px 16px;border-radius:20px;font-size:.8rem;font-weight:600;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{transform:translateX(-50%) scale(1)}50%{transform:translateX(-50%) scale(1.05)}}
.download-card h3{font-size:1.4rem;margin-bottom:8px}
.download-card .size{color:var(--text-light);margin-bottom:16px}
.download-card ul{list-style:none;margin-bottom:24px;text-align:left}
.download-card li{padding:8px 0;border-bottom:1px solid #f1f5f9;display:flex;align-items:center;gap:8px}
.download-card li::before{content:"✓";color:var(--primary);font-weight:700}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius);margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden;transition:.3s}
.faq-item:hover{box-shadow:0 8px 30px rgba(0,0,0,.1)}
.faq-q{padding:20px 24px;cursor:pointer;font-weight:600;display:flex;justify-content:space-between;align-items:center;transition:.2s}
.faq-q:hover{background:#f8fafc}
.faq-q::after{content:"+";font-size:1.5rem;color:var(--primary);transition:.3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:.4s ease;color:var(--text-light)}
.faq-item.open .faq-a{padding:0 24px 20px;max-height:400px}
/* Footer */
footer{background:#0f172a;color:#94a3b8;padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-logo{font-size:1.5rem;font-weight:700;color:#fff;margin-bottom:16px;display:flex;align-items:center;gap:10px}
footer a:hover{color:var(--primary)}
.copyright{text-align:center;padding-top:30px;border-top:1px solid #1e293b;font-size:.9rem}
/* Responsive */
@media(max-width:992px){
.hero-inner{grid-template-columns:1fr;text-align:center}
.hero h1{font-size:2.6rem}
.nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;gap:16px;box-shadow:0 10px 30px rgba(0,0,0,.1)}
.nav-links.active{display:flex}
.hamburger{display:flex}
.footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:768px){
.hero{padding:120px 0 60px}
.hero h1{font-size:2.2rem}
.stats{justify-content:center}
.section{padding:60px 0}
.section h2{font-size:2rem}
.footer-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
.hero h1{font-size:1.8rem}
.hero-btns{flex-direction:column}
.btn{width:100%}
}