:root{--primary: #0f2744;--primary-light: #1a3a5c;--accent: #f59e0b;--accent-hover: #d97706;--accent-soft: rgba(245, 158, 11, .12);--text: #475569;--text-h: #0f172a;--text-muted: #94a3b8;--bg: #ffffff;--bg-alt: #f8fafc;--border: #e2e8f0;--shadow: 0 4px 24px rgba(15, 39, 68, .08);--shadow-lg: 0 20px 50px rgba(15, 39, 68, .15);--radius: 12px;--radius-lg: 20px;--max-w: 1200px;--header-h: 72px;--sans: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--sans);font-size:16px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}h1,h2,h3,h4{color:var(--text-h);font-weight:700;line-height:1.25;margin:0}p{margin:0}a{color:inherit;text-decoration:none}ul{margin:0;padding:0;list-style:none}img{max-width:100%;display:block}.container{width:min(var(--max-w),100% - 48px);margin-inline:auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:8px;font-size:15px;font-weight:600;border:2px solid transparent;cursor:pointer;transition:all .2s;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--accent),#fbbf24);color:var(--primary);border-color:transparent}.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 8px 20px #f59e0b59}.btn-ghost{color:var(--text-h);background:transparent}.btn-ghost:hover{background:var(--bg-alt)}.btn-outline{background:transparent;border-color:var(--border);color:var(--text-h)}.btn-outline:hover{border-color:var(--primary);color:var(--primary)}.btn-lg{padding:14px 28px;font-size:16px;border-radius:10px}.btn-block{width:100%}.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-h);background:#ffffffd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}.site-header.scrolled{border-color:var(--border);box-shadow:var(--shadow)}.header-inner{display:flex;align-items:center;height:var(--header-h);gap:32px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--primary);flex-shrink:0}.brand-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--accent);border-radius:10px;font-size:16px;font-weight:800}.nav{display:flex;gap:28px;margin-right:auto}.nav a{font-size:15px;color:var(--text);font-weight:500;transition:color .2s}.nav a:hover{color:var(--primary)}.header-actions{display:flex;gap:12px}.menu-toggle{display:none;flex-direction:column;gap:5px;padding:8px;background:none;border:none;cursor:pointer}.menu-toggle span{display:block;width:22px;height:2px;background:var(--primary);border-radius:2px}.mobile-nav{display:none;flex-direction:column;gap:12px;padding:16px 24px 24px;background:var(--bg);border-top:1px solid var(--border)}.mobile-nav a{padding:10px 0;font-weight:500;color:var(--text-h)}.hero{position:relative;padding:calc(var(--header-h) + 64px) 0 80px;overflow:hidden}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 80% 60% at 70% 20%,rgba(245,158,11,.08),transparent),radial-gradient(ellipse 60% 50% at 10% 80%,rgba(15,39,68,.06),transparent),linear-gradient(180deg,#f0f4f8 0%,var(--bg) 100%);z-index:-1}.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:var(--accent-soft);border:1px solid rgba(245,158,11,.3);border-radius:100px;font-size:14px;font-weight:600;color:var(--accent-hover);margin-bottom:20px}.pulse-dot{width:8px;height:8px;background:#22c55e;border-radius:50%;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(1.2)}}.hero h1{font-size:clamp(36px,5vw,52px);letter-spacing:-.02em;margin-bottom:20px}.gradient-text{background:linear-gradient(135deg,var(--primary) 30%,var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-desc{font-size:18px;line-height:1.7;color:var(--text);max-width:520px;margin-bottom:32px}.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:28px}.hero-tags{display:flex;flex-wrap:wrap;gap:10px}.hero-tags li{padding:6px 14px;background:var(--bg);border:1px solid var(--border);border-radius:6px;font-size:13px;font-weight:600;color:var(--primary)}.hero-visual{position:relative;min-height:380px}.dashboard-card{background:var(--bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border)}.main-card{padding:24px;position:relative;z-index:1}.card-header{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--text-muted);margin-bottom:8px}.badge-live{padding:2px 8px;background:#dcfce7;color:#16a34a;border-radius:4px;font-size:12px;font-weight:600}.stat-number{font-size:48px;font-weight:800;color:var(--primary);margin:0 0 20px}.stat-number span{font-size:20px;font-weight:600;color:var(--text-muted)}.mini-chart{display:flex;align-items:flex-end;gap:8px;height:80px}.mini-chart span{flex:1;height:var(--h);background:linear-gradient(180deg,var(--accent),rgba(245,158,11,.3));border-radius:4px 4px 0 0}.float-card{position:absolute;display:flex;align-items:center;gap:12px;padding:14px 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p{color:#fffc;margin-bottom:28px;font-size:17px}.site-footer{background:#0a1929;color:#ffffffb3;padding-top:56px}.footer-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;padding-bottom:40px}.footer-brand{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.footer-brand .brand-icon{width:32px;height:32px;font-size:14px}.footer-brand>span:nth-child(2){font-size:18px;font-weight:700;color:#fff}.footer-brand p{width:100%;font-size:14px;margin-top:8px}.footer-links{display:flex;gap:48px}.footer-links h4{color:#fff;font-size:14px;margin-bottom:16px}.footer-links a{display:block;font-size:14px;margin-bottom:10px;transition:color .2s}.footer-links a:hover{color:var(--accent)}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:24px 0;text-align:center;font-size:13px}.footer-bottom p{margin-bottom:8px}.footer-bottom a{color:#fff9}.footer-bottom a:hover{color:var(--accent)}.disclaimer{max-width:640px;margin:12px auto 0!important;font-size:12px;color:#fff6;line-height:1.5}@media (max-width: 1024px){.hero-inner,.platform-inner,.about-inner{grid-template-columns:1fr}.hero-visual{max-width:480px;margin:0 auto}.tools-grid,.peers-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.footer-inner{grid-template-columns:1fr}}@media (max-width: 768px){.nav,.header-actions{display:none}.menu-toggle{display:flex;margin-left:auto}.mobile-nav:not([hidden]){display:flex}.hero{padding-bottom:48px}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.float-card{display:none}.section{padding:56px 0}.footer-links{flex-direction:column;gap:24px}}