/* AI开箱即用 - Dark Tech Style */
:root {
  --bg-primary: #0a0a1a;
  --bg-secondary: #111128;
  --bg-card: rgba(30, 30, 50, 0.6);
  --bg-card-hover: rgba(40, 40, 70, 0.8);
  --text-primary: #ffffff;
  --text-secondary: #a0a0c0;
  --text-muted: #6b6b8d;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-gradient: linear-gradient(135deg, #6366f1, #a855f7);
  --border: rgba(99, 102, 241, 0.2);
  --border-hover: rgba(99, 102, 241, 0.4);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --transition: all 0.3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg-primary);color:var(--text-primary);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.6;overflow-x:hidden}
::selection{background:var(--accent);color:#fff}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg-secondary)}
::-webkit-scrollbar-thumb{background:var(--accent);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--accent-light)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,10,26,0.95);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);height:64px}
.nav-container{max-width:1200px;margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-size:1.5rem;font-weight:700;text-decoration:none;display:flex;align-items:center;gap:2px}
.logo-ai{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.logo-text{color:var(--text-primary)}
.nav-links{display:flex;align-items:center;gap:32px;list-style:none}
.nav-links a{text-decoration:none;color:var(--text-secondary);font-size:0.95rem;transition:var(--transition)}
.nav-links a:hover{color:var(--accent-light)}
.nav-right{display:flex;align-items:center}
.nav-admin{color:var(--text-muted);text-decoration:none;font-size:0.85rem;padding:6px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);transition:var(--transition)}
.nav-admin:hover{color:var(--accent-light);border-color:var(--border-hover)}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.hamburger span{display:block;width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:var(--transition)}
.hero{min-height:80vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 24px 80px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 40%,rgba(99,102,241,0.08) 0%,transparent 50%),radial-gradient(circle at 70% 60%,rgba(168,85,247,0.06) 0%,transparent 50%),radial-gradient(circle at 50% 50%,rgba(99,102,241,0.04) 0%,transparent 70%);pointer-events:none}
.hero-particles{position:absolute;inset:0;pointer-events:none}
.particle{position:absolute;border-radius:50%;background:var(--accent);opacity:0.08;animation:float 6s ease-in-out infinite}
.particle:nth-child(1){width:300px;height:300px;top:10%;left:5%;animation-delay:0s}
.particle:nth-child(2){width:200px;height:200px;top:60%;right:10%;animation-delay:1s}
.particle:nth-child(3){width:150px;height:150px;bottom:10%;left:30%;animation-delay:2s}
.particle:nth-child(4){width:100px;height:100px;top:30%;right:25%;animation-delay:3s}
.particle:nth-child(5){width:250px;height:250px;bottom:20%;right:5%;animation-delay:0.5s}
.particle:nth-child(6){width:80px;height:80px;top:20%;left:20%;animation-delay:1.5s}
.particle:nth-child(7){width:120px;height:120px;top:50%;left:10%;animation-delay:2.5s}
.particle:nth-child(8){width:180px;height:180px;bottom:5%;left:50%;animation-delay:3.5s}
.particle:nth-child(9){width:60px;height:60px;top:15%;right:15%;animation-delay:4s}
.particle:nth-child(10){width:90px;height:90px;top:70%;left:40%;animation-delay:0.8s}
.particle:nth-child(11){width:140px;height:140px;bottom:30%;right:20%;animation-delay:1.8s}
.particle:nth-child(12){width:70px;height:70px;top:40%;right:35%;animation-delay:2.8s}
.hero-content{position:relative;z-index:1;max-width:800px}
.hero-title{font-size:3.5rem;font-weight:700;margin-bottom:16px;color:var(--text-primary);line-height:1.2}
.gradient-text{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);margin-bottom:40px;max-width:600px;margin-left:auto;margin-right:auto}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 24px;border-radius:var(--radius-sm);font-size:0.95rem;font-weight:600;cursor:pointer;transition:var(--transition);border:none;text-decoration:none;line-height:1.4}
.btn-primary{background:var(--accent-gradient);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(99,102,241,0.4)}
.btn-outline{background:transparent;color:var(--accent-light);border:1px solid var(--border-hover)}
.btn-outline:hover{background:rgba(99,102,241,0.1);border-color:var(--accent);transform:translateY(-2px)}
.btn-sm{padding:6px 14px;font-size:0.8rem}.btn-gold{color:#ffffff;border-color:rgba(255,255,255,0.3);background:rgba(255,255,255,0.05)}.btn-gold:hover{background:rgba(255,255,255,0.12);border-color:rgba(255,255,255,0.5);transform:translateY(-2px)}
.btn-danger{background:#dc2626;color:#fff}
.btn-danger:hover{background:#ef4444;transform:translateY(-2px)}
.btn-disabled{background:var(--bg-secondary);color:var(--text-muted);border:1px solid var(--border);padding:12px 32px;border-radius:var(--radius-sm);font-size:0.95rem;cursor:not-allowed;opacity:0.6}
.section{padding:80px 0}
.section-title{font-size:2rem;font-weight:700;margin-bottom:40px;display:flex;align-items:center;gap:10px}
.section-icon{font-size:1.5rem}
.glass-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:var(--transition)}
.glass-card:hover{border-color:var(--border-hover);background:var(--bg-card-hover)}
.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.product-card{padding:28px;position:relative;overflow:hidden}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-badge{position:absolute;top:16px;right:16px;background:var(--accent-gradient);color:#fff;font-size:0.7rem;font-weight:600;padding:4px 10px;border-radius:20px;letter-spacing:0.5px}
.card-icon{width:64px;height:64px;border-radius:50%;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.icon-letter{font-size:1.5rem;font-weight:700;color:#fff}
.card-name{font-size:1.2rem;font-weight:600;margin-bottom:8px}
.card-tagline{color:var(--text-secondary);font-size:0.9rem;margin-bottom:16px;line-height:1.5}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.tag-pill{font-size:0.75rem;padding:4px 10px;border-radius:20px;border:1px solid var(--border);color:var(--text-secondary);background:rgba(99,102,241,0.05)}
.community-placeholder{text-align:center;padding:60px 24px;background:var(--bg-card);border:1px dashed var(--border);border-radius:var(--radius)}
.community-text{color:var(--text-secondary);font-size:1.1rem;margin-bottom:24px}
.pulse-text{animation:pulse 2s ease-in-out infinite}
.stats-section{padding:60px 0}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;text-align:center}
.stat-item{padding:24px}
.stat-number{font-size:3rem;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2;display:block}
.stat-label{color:var(--text-secondary);font-size:1rem;margin-top:8px;display:block}
.product-page{padding-top:100px;padding-bottom:60px}
.breadcrumb{margin-bottom:24px;font-size:0.9rem}
.breadcrumb a{color:var(--text-secondary);text-decoration:none;transition:var(--transition)}
.breadcrumb a:hover{color:var(--accent-light)}
.breadcrumb-sep{color:var(--text-muted);margin:0 8px}
.product-header{margin-bottom:32px}
.product-name{font-size:2.5rem;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.version-badge{font-size:0.85rem;font-weight:600;padding:4px 12px;border-radius:20px;background:rgba(99,102,241,0.15);color:var(--accent-light);border:1px solid var(--border)}
.product-tagline{font-size:1.2rem;color:var(--text-secondary)}
.product-desc{margin-bottom:48px;font-size:1.05rem;line-height:1.8;color:var(--text-secondary)}
.section-heading{font-size:1.5rem;font-weight:700;margin-bottom:24px;padding-left:12px;border-left:3px solid var(--accent)}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:48px}
.feature-card{padding:28px 20px;text-align:center}
.feature-card:hover{transform:translateY(-2px)}
.feature-icon{font-size:2rem;margin-bottom:12px;display:block}
.feature-card h3{font-size:1rem;font-weight:600;margin-bottom:8px}
.feature-card p{color:var(--text-secondary);font-size:0.85rem;line-height:1.5}
.product-downloads{margin-bottom:48px}
.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.download-card{padding:24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.dl-info{display:flex;flex-direction:column;gap:4px}
.dl-name{font-weight:600;font-size:1rem}
.dl-size{color:var(--text-muted);font-size:0.85rem}
.download-note{margin-top:16px;color:var(--text-muted);font-size:0.85rem}
.product-install{margin-bottom:48px}
.stepper{display:flex;align-items:flex-start;justify-content:space-between;position:relative;padding:20px 0}
.stepper::before{content:"";position:absolute;top:40px;left:10%;right:10%;height:2px;background:var(--border)}
.step{display:flex;flex-direction:column;align-items:center;text-align:center;flex:1;position:relative;z-index:1}
.step-circle{width:48px;height:48px;border-radius:50%;background:var(--bg-secondary);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;margin-bottom:12px;transition:var(--transition)}
.step-text{font-size:0.9rem;color:var(--text-secondary);max-width:140px}
.product-requirements{margin-bottom:48px}
.req-table{width:100%;border-collapse:collapse;background:var(--bg-card);border-radius:var(--radius);overflow:hidden}
.req-table tr{border-bottom:1px solid var(--border)}
.req-table tr:last-child{border-bottom:none}
.req-table td{padding:14px 20px;font-size:0.95rem}
.req-table td:first-child{color:var(--text-secondary);font-weight:600;width:120px}
.back-home{margin-top:40px}
.admin-page{padding-top:100px;padding-bottom:60px}
.admin-login{max-width:400px;margin:60px auto;padding:40px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius)}
.admin-heading{font-size:1.5rem;font-weight:700;margin-bottom:24px;text-align:center}
.admin-form .form-group{margin-bottom:20px}
.admin-form label{display:block;font-size:0.85rem;font-weight:600;color:var(--text-secondary);margin-bottom:6px}
.admin-form input,.admin-form textarea,.admin-form select{width:100%;padding:10px 14px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:0.95rem;transition:var(--transition);outline:none;font-family:inherit}
.admin-form input:focus,.admin-form textarea:focus,.admin-form select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,102,241,0.15)}
.admin-form input::placeholder,.admin-form textarea::placeholder{color:var(--text-muted)}
.admin-form textarea{min-height:80px;resize:vertical}
.admin-panel{max-width:900px;margin:0 auto}
.admin-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.admin-header .admin-heading{text-align:left;margin-bottom:0}
.admin-table{width:100%;border-collapse:collapse;background:var(--bg-card);border-radius:var(--radius);overflow:hidden}
.admin-table th{background:var(--bg-secondary);padding:14px 16px;text-align:left;font-weight:600;font-size:0.85rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:0.5px;border-bottom:1px solid var(--border)}
.admin-table td{padding:14px 16px;border-bottom:1px solid var(--border);font-size:0.9rem}
.admin-table tr:last-child td{border-bottom:none}
.admin-table tr:hover td{background:rgba(99,102,241,0.05)}
.status-badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:20px;font-size:0.75rem;font-weight:600}
.status-published{background:rgba(34,197,94,0.15);color:#22c55e}
.status-draft{background:rgba(239,68,68,0.15);color:#ef4444}
.modal{position:fixed;inset:0;z-index:2000;display:flex;align-items:center;justify-content:center}
.modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,0.7);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.modal-content{position:relative;padding:32px;width:90%;max-width:600px;max-height:90vh;overflow-y:auto;z-index:1;animation:fadeIn 0.2s ease}
.modal-sm{max-width:400px;text-align:center}
.modal-sm h3{margin-bottom:12px}
.modal-sm p{color:var(--text-secondary);margin-bottom:24px;font-size:0.9rem}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.modal-header h3{font-size:1.3rem}
.modal-close{background:none;border:none;color:var(--text-muted);font-size:1.5rem;cursor:pointer;padding:4px 8px;transition:var(--transition);line-height:1}
.modal-close:hover{color:var(--text-primary)}
.modal-actions{display:flex;gap:12px;justify-content:center;margin-top:24px}
.site-footer{border-top:1px solid var(--border);padding:40px 24px;text-align:center}
.footer-container{max-width:1200px;margin:0 auto}
.footer-brand{font-size:1.2rem;font-weight:700;margin-bottom:8px}
.footer-copy{color:var(--text-muted);font-size:0.85rem;margin-bottom:4px}
.footer-icp{color:var(--text-muted);font-size:0.8rem;margin-top:8px}
.footer-disclaimer{color:var(--text-muted);font-size:0.75rem;margin-top:4px;opacity:0.7}
.toast-container{position:fixed;top:80px;right:24px;z-index:3000;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 20px;border-radius:var(--radius-sm);font-size:0.9rem;font-weight:500;animation:slideIn 0.3s ease;min-width:280px;box-shadow:var(--shadow)}
.toast-success{background:rgba(34,197,94,0.15);border:1px solid rgba(34,197,94,0.3);color:#22c55e}
.toast-error{background:rgba(239,68,68,0.15);border:1px solid rgba(239,68,68,0.3);color:#ef4444}
.empty-state{text-align:center;padding:60px 24px;color:var(--text-muted)}
.empty-state p{font-size:1.1rem}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.5}}
@keyframes slideIn{from{transform:translateX(100%)}to{transform:translateX(0)}}
.fade-in{opacity:0;transform:translateY(20px);transition:opacity 0.6s ease,transform 0.6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}
@media(max-width:768px){
.nav-links{display:none}
.hamburger{display:flex}
.hero-title{font-size:2.5rem}
.hero-subtitle{font-size:1rem}
.products-grid{grid-template-columns:1fr}
.features-grid{grid-template-columns:repeat(2,1fr)}
.download-grid{grid-template-columns:1fr}
.stepper{flex-direction:column;gap:24px;align-items:flex-start}
.stepper::before{display:none}
.step{flex-direction:row;text-align:left;gap:16px}
.step-circle{margin-bottom:0;flex-shrink:0}
.stats-grid{grid-template-columns:1fr;gap:24px}
.section-title{font-size:1.5rem}
.stat-number{font-size:2.5rem}
.product-name{font-size:1.8rem}
.modal-content{width:95%;padding:24px}
}
@media(max-width:480px){
.hero-title{font-size:2rem}
.hero-subtitle{font-size:0.9rem}
.hero-cta{flex-direction:column;align-items:center}
.hero-cta .btn{width:100%;justify-content:center}
.features-grid{grid-template-columns:1fr}
.product-card{padding:20px}
}