*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0f1117;--bg2:#161922;--bg3:#1c1f2b;--card:#1a1d27;--border:#2a2d3a;--text:#b8bfc9;--heading:#e2e8f0;--accent:#e07838;--accent2:#c4612a;--link:#5b9bd5;--green:#4ade80;--radius:8px}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:15px}
a{color:var(--link);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:var(--bg2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--heading);letter-spacing:-.5px}
.logo img{width:32px;height:32px;border-radius:6px}
.logo span{color:var(--accent)}
nav{display:flex;gap:6px}
nav a{color:var(--text);padding:8px 14px;border-radius:var(--radius);font-size:14px;transition:all .2s}
nav a:hover,nav a.active{color:var(--heading);background:var(--bg3)}
.mobile-toggle{display:none;background:none;border:none;color:var(--heading);font-size:24px;cursor:pointer}

/* Hero */
.hero{padding:64px 0 48px;border-bottom:1px solid var(--border)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero h1{font-size:32px;color:var(--heading);line-height:1.3;margin-bottom:16px;font-weight:700}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{font-size:15px;margin-bottom:24px;color:var(--text)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-img{position:relative}
.hero-img img{border-radius:12px;border:1px solid var(--border);box-shadow:0 8px 32px rgba(0,0,0,.4)}

/* Page header */
.page-header{padding:48px 0 36px;border-bottom:1px solid var(--border)}
.page-header h1{font-size:28px;color:var(--heading);font-weight:700;margin-bottom:8px}
.page-header p{color:var(--text);font-size:14px;max-width:640px}
.breadcrumb{font-size:12px;color:#666;margin-bottom:16px}
.breadcrumb a{color:#888}
.breadcrumb a:hover{color:var(--accent)}

/* Section */
.section{padding:48px 0;border-bottom:1px solid var(--border)}
.section-title{font-size:22px;color:var(--heading);margin-bottom:8px;font-weight:700}
.section-desc{color:var(--text);margin-bottom:28px;font-size:14px}

/* Content blocks */
.content-block{margin-bottom:32px}
.content-block h2{font-size:20px;color:var(--heading);margin-bottom:12px;font-weight:600}
.content-block h3{font-size:17px;color:var(--heading);margin:20px 0 8px;font-weight:600}
.content-block p{margin-bottom:14px;font-size:14px}
.content-block ul{margin:0 0 16px 20px;font-size:14px}
.content-block li{margin-bottom:6px}

/* Cards */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;margin-bottom:20px}
.card h3{font-size:17px;color:var(--heading);margin-bottom:10px;font-weight:600}
.card p{font-size:14px}

/* Grid */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}

/* Feature cards */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;transition:border-color .3s}
.feature-card:hover{border-color:var(--accent)}
.feature-icon{width:40px;height:40px;background:rgba(224,120,56,.12);border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:20px}
.feature-card h3{font-size:16px;color:var(--heading);margin-bottom:8px;font-weight:600}
.feature-card p{font-size:13px;line-height:1.6}

/* Screenshots */
.screenshots-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.screenshot-item{position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--border)}
.screenshot-item img{width:100%;display:block;transition:transform .4s}
.screenshot-item:hover img{transform:scale(1.03)}
.screenshot-caption{position:absolute;bottom:0;left:0;right:0;padding:10px 14px;background:linear-gradient(transparent,rgba(0,0,0,.75));font-size:12px;color:#ccc}

/* Download section */
.dl-section{background:var(--bg2);border-radius:12px;border:1px solid var(--border);padding:36px}
.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.dl-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;text-align:center}
.dl-card h3{font-size:17px;color:var(--heading);margin-bottom:6px}
.dl-card .dl-type{font-size:12px;color:var(--accent);margin-bottom:16px;display:block}
.qr-wrap{margin:16px auto;width:140px;height:140px;padding:8px;background:#fff;border-radius:var(--radius);position:relative}
.qr-wrap img{width:100%;height:100%;object-fit:contain}
.qr-wrap::after{content:'';position:absolute;inset:-3px;border-radius:10px;border:2px solid var(--accent);opacity:.4;animation:qrBreathe 3s ease-in-out infinite}
.dl-card p{font-size:12px;color:#888;margin-top:10px}
.dl-btn{margin-top:16px}

/* Resource detail */
.resource-detail{display:flex;gap:40px;align-items:flex-start;flex-wrap:wrap}
.resource-info{flex:1;min-width:280px}
.resource-info h3{font-size:18px;color:var(--heading);margin-bottom:16px;font-weight:700}
.resource-list{list-style:none;margin:0;padding:0}
.resource-list li{display:flex;align-items:flex-start;gap:10px;padding:8px 0;font-size:14px;color:var(--text);border-bottom:1px solid var(--border)}
.resource-list li:last-child{border-bottom:none}
.resource-list .check{color:var(--green);flex-shrink:0;margin-top:2px}
.resource-side{width:280px;flex-shrink:0;text-align:center}

/* Info table */
.info-table{width:100%;border-collapse:collapse;margin:16px 0}
.info-table th,.info-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}
.info-table th{color:var(--heading);font-weight:600;width:160px;background:var(--bg3)}
.info-table td{color:var(--text)}

/* Notice */
.notice{background:rgba(224,120,56,.08);border:1px solid rgba(224,120,56,.2);border-radius:var(--radius);padding:16px 20px;margin:24px 0;font-size:13px;color:#d4a574}
.notice strong{color:var(--accent)}

/* FAQ */
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:15px;color:var(--heading);font-weight:500;transition:background .2s}
.faq-q:hover{background:var(--bg3)}
.faq-q::after{content:'+';font-size:20px;color:var(--accent);transition:transform .3s}
.faq-item.open .faq-q::after{content:'−'}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 24px}
.faq-item.open .faq-a{max-height:600px;padding:0 24px 18px}
.faq-a p{font-size:14px;line-height:1.7;color:var(--text)}

/* Spec table */
.spec-table{width:100%;border-collapse:collapse}
.spec-table th{background:var(--bg3);color:var(--heading);font-weight:600;padding:14px 16px;text-align:left;font-size:14px;border-bottom:2px solid var(--border)}
.spec-table td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:14px;color:var(--text)}
.spec-table tr:hover td{background:rgba(255,255,255,.02)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;border:none;transition:all .25s;text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent2);color:#fff;transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--heading);border:1px solid var(--border)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}

/* Hero badges */
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.badge{display:inline-block;padding:4px 12px;background:var(--bg3);border:1px solid var(--border);border-radius:20px;font-size:12px;color:var(--text)}

/* Footer */
.site-footer{padding:32px 0;text-align:center;font-size:12px;color:#555;border-top:1px solid var(--border)}
.site-footer p{margin:4px 0}
.footer-links{margin-bottom:12px;display:flex;justify-content:center;gap:20px;flex-wrap:wrap}
.footer-links a{color:#666;font-size:13px}
.footer-links a:hover{color:var(--accent)}

/* Modal */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:1000;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.modal-overlay.show{display:flex}
.modal-box{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:36px;max-width:420px;width:90%;text-align:center;position:relative}
.modal-close{position:absolute;top:12px;right:16px;background:none;border:none;color:#888;font-size:22px;cursor:pointer}
.modal-close:hover{color:var(--heading)}
.modal-box h3{font-size:18px;color:var(--heading);margin-bottom:6px}
.modal-box .modal-sub{font-size:13px;color:#888;margin-bottom:20px}
.modal-qr{width:160px;height:160px;margin:0 auto 16px;padding:10px;background:#fff;border-radius:var(--radius);position:relative}
.modal-qr img{width:100%;height:100%;object-fit:contain}
.modal-qr::after{content:'';position:absolute;inset:-3px;border-radius:10px;border:2px solid var(--accent);opacity:.4;animation:qrBreathe 3s ease-in-out infinite}
.modal-tips{font-size:12px;color:#888;line-height:1.6}
.modal-tips strong{color:var(--accent)}

@keyframes qrBreathe{0%,100%{opacity:.25;transform:scale(1)}50%{opacity:.6;transform:scale(1.03)}}

/* Responsive */
@media(max-width:768px){
  .hero-grid{grid-template-columns:1fr}
  .hero-img{order:-1}
  .hero h1{font-size:24px}
  .grid-2,.dl-grid,.screenshots-grid{grid-template-columns:1fr}
  .grid-3,.features-grid{grid-template-columns:1fr}
  .resource-detail{flex-direction:column}
  .resource-side{width:100%}
  nav{display:none;position:absolute;top:60px;left:0;right:0;background:var(--bg2);flex-direction:column;padding:12px;border-bottom:1px solid var(--border)}
  nav.open{display:flex}
  .mobile-toggle{display:block}
  .page-header h1{font-size:22px}
}