:root{--primary: #1677ff;--primary-light: #4096ff;--primary-dark: #0958d9;--primary-bg: #e6f4ff;--primary-glow: rgba(22, 119, 255, .15);--text: #141414;--text-secondary: #595959;--text-muted: #8c8c8c;--border: #eef0f3;--bg: #ffffff;--bg-alt: #f7f9fc;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow: 0 8px 32px rgba(0, 0, 0, .08);--shadow-lg: 0 16px 48px rgba(22, 119, 255, .12);--radius: 16px;--radius-sm: 10px;--max-width: 1140px;--header-h: 68px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:200;height:var(--header-h);background:#ffffffd9;backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);border-bottom:1px solid rgba(0,0,0,.06);transition:box-shadow .25s}.site-header.is-scrolled{box-shadow:0 4px 20px #0000000f}.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;flex-shrink:0}.brand-icon{fill:var(--primary)}.header-nav{display:flex;gap:32px;margin-left:auto}.header-nav a{font-size:14px;font-weight:500;color:var(--text-secondary);position:relative;padding:4px 0;transition:color .2s}.header-nav a:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary);border-radius:1px;transition:width .25s}.header-nav a:hover{color:var(--primary)}.header-nav a:hover:after{width:100%}.header-cta{display:inline-flex;align-items:center;padding:8px 20px;background:var(--primary);color:#fff;font-size:14px;font-weight:500;border-radius:8px;transition:background .2s,transform .15s;flex-shrink:0}.header-cta:hover{background:var(--primary-light);transform:translateY(-1px)}.hero{position:relative;padding:64px 0 96px;overflow:hidden}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.hero-blob{position:absolute;border-radius:50%;filter:blur(80px)}.hero-blob-1{width:520px;height:520px;top:-180px;right:-100px;background:#1677ff1f}.hero-blob-2{width:400px;height:400px;bottom:-120px;left:-80px;background:#722ed114}.hero-grid{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(22,119,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(22,119,255,.04) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,black 20%,transparent 80%);mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,black 20%,transparent 80%)}.hero-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:#fff;border:1px solid rgba(22,119,255,.2);border-radius:24px;font-size:13px;font-weight:500;color:var(--primary);margin-bottom:24px;box-shadow:var(--shadow-sm)}.badge-dot{width:7px;height:7px;background:var(--primary);border-radius:50%;animation:blink 2s ease-in-out infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:.4}}.hero h1{font-size:clamp(36px,5vw,52px);font-weight:800;line-height:1.2;margin-bottom:20px;letter-spacing:-.03em;color:var(--text)}.text-gradient{background:linear-gradient(135deg,var(--primary) 0%,#722ed1 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-desc{font-size:17px;color:var(--text-secondary);max-width:500px;margin-bottom:32px;line-height:1.8}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:40px}.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:10px;font-size:15px;font-weight:600;transition:all .2s;cursor:pointer}.btn-primary{background:var(--primary);color:#fff;border:none;box-shadow:0 4px 16px #1677ff59}.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 6px 24px #1677ff66}.btn-outline{background:#fff;color:var(--text);border:1px solid var(--border);box-shadow:var(--shadow-sm)}.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-bg)}.hero-stats{display:flex;align-items:center;gap:24px;padding:20px 24px;background:#fffc;border:1px solid var(--border);border-radius:var(--radius);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);max-width:fit-content;box-shadow:var(--shadow-sm)}.stat-item{display:flex;flex-direction:column;gap:2px}.stat-item strong{font-size:20px;font-weight:700;color:var(--primary);line-height:1.2}.stat-item span{font-size:12px;color:var(--text-muted)}.stat-divider{width:1px;height:32px;background:var(--border)}.hero-visual{display:flex;justify-content:center;align-items:center}.hero-mockup{position:relative;width:100%;max-width:420px;height:360px}.mockup-card{position:absolute;background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;box-shadow:var(--shadow)}.mockup-card-1{top:20px;left:0;width:200px;animation:float 4s ease-in-out infinite}.mockup-card-2{top:100px;right:0;width:220px;animation:float 4s ease-in-out infinite 1s}.mockup-dot{width:8px;height:8px;background:var(--primary);border-radius:50%;margin-bottom:12px}.mockup-tag{display:inline-block;padding:2px 8px;background:var(--primary-bg);color:var(--primary);font-size:11px;font-weight:600;border-radius:4px;margin-bottom:10px}.mockup-line{height:8px;background:#f0f2f5;border-radius:4px;margin-bottom:8px}.mockup-line-lg{width:80%}.mockup-line-sm{width:50%}.mockup-orbit{position:absolute;bottom:0;left:50%;transform:translate(-50%);width:200px;height:200px}.orbit{position:absolute;border-radius:50%;border:2px solid rgba(22,119,255,.2);animation:pulse 3s ease-in-out infinite}.orbit-1{top:0;right:0;bottom:0;left:0}.orbit-2{top:15%;right:15%;bottom:15%;left:15%;animation-delay:.5s}.orbit-3{top:30%;right:30%;bottom:30%;left:30%;background:#1677ff0f;animation-delay:1s}.ai-label{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:44px;font-weight:800;color:var(--primary);text-shadow:0 0 40px rgba(22,119,255,.3)}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.04);opacity:.75}}.section{padding:96px 0}.section-alt{background:var(--bg-alt)}.section-head{text-align:center;margin-bottom:56px}.section-label{display:inline-block;padding:4px 12px;background:var(--primary-bg);color:var(--primary);font-size:13px;font-weight:600;border-radius:20px;margin-bottom:16px}.section-head h2{font-size:clamp(28px,4vw,36px);font-weight:800;margin-bottom:12px;letter-spacing:-.02em}.section-head p{font-size:16px;color:var(--text-secondary);max-width:480px;margin:0 auto}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.feature-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px 28px;transition:box-shadow .25s,transform .25s,border-color .25s}.feature-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:#1677ff33}.feature-icon-wrap{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:12px;margin-bottom:20px}.feature-icon-wrap svg{width:24px;height:24px}.feature-icon-blue{background:#e6f4ff;color:#1677ff}.feature-icon-cyan{background:#e6fffb;color:#13c2c2}.feature-icon-purple{background:#f9f0ff;color:#722ed1}.feature-icon-green{background:#f6ffed;color:#52c41a}.feature-icon-orange{background:#fff7e6;color:#fa8c16}.feature-icon-pink{background:#fff0f6;color:#eb2f96}.feature-card h3{font-size:17px;font-weight:700;margin-bottom:10px}.feature-card p{font-size:14px;color:var(--text-secondary);line-height:1.75}.workflow-track{display:flex;align-items:flex-start;justify-content:center;gap:0}.workflow-step{display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px;flex:1;min-width:0;max-width:240px}.step-marker{width:56px;height:56px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:50%;box-shadow:0 4px 16px #1677ff59;flex-shrink:0}.step-num{font-size:16px;font-weight:800;color:#fff}.step-card{display:block;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow-sm);width:100%;transition:box-shadow .25s,transform .25s;color:inherit;text-decoration:none}.step-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.step-card h3{font-size:17px;font-weight:700;margin-bottom:10px}.step-card p{font-size:14px;color:var(--text-secondary);line-height:1.75}.step-card strong{color:var(--primary);font-weight:600}.workflow-connector{width:28px;height:2px;background:linear-gradient(90deg,var(--primary),rgba(22,119,255,.3));margin-top:28px;flex-shrink:0;border-radius:1px}.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.app-card{position:relative;border-radius:var(--radius);overflow:hidden;transition:transform .3s}.app-card:hover{transform:translateY(-6px)}.app-card-glow{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;transition:opacity .3s;border-radius:var(--radius)}.app-card-admin .app-card-glow{background:linear-gradient(135deg,#1677ff14,#1677ff05)}.app-card-pc .app-card-glow{background:linear-gradient(135deg,#13c2c214,#13c2c205)}.app-card-mobile .app-card-glow{background:linear-gradient(135deg,#722ed114,#722ed105)}.app-card:hover .app-card-glow{opacity:1}.app-card-inner{position:relative;display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px 28px;transition:border-color .3s,box-shadow .3s}.app-card-admin:hover .app-card-inner{border-color:#1677ff66;box-shadow:var(--shadow-lg)}.app-card-pc:hover .app-card-inner{border-color:#13c2c266;box-shadow:0 16px 48px #13c2c21f}.app-card-mobile:hover .app-card-inner{border-color:#722ed166;box-shadow:0 16px 48px #722ed11f}.app-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.app-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:12px;color:#fff}.app-icon svg{width:24px;height:24px}.app-icon-admin{background:linear-gradient(135deg,#1677ff,#0958d9)}.app-icon-pc{background:linear-gradient(135deg,#13c2c2,#08979c)}.app-icon-mobile{background:linear-gradient(135deg,#722ed1,#531dab)}.app-tag{font-size:12px;font-weight:500;padding:4px 10px;background:var(--bg-alt);border-radius:6px;color:var(--text-muted)}.app-card h3{font-size:20px;font-weight:700;margin-bottom:10px}.app-card p{flex:1;font-size:14px;color:var(--text-secondary);line-height:1.75;margin-bottom:24px}.app-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);transition:gap .2s}.app-card-pc .app-link{color:#08979c}.app-card-mobile .app-link{color:#531dab}.app-card:hover .app-link{gap:10px}.site-footer{padding:40px 0;border-top:1px solid var(--border);background:var(--bg-alt)}.footer-inner{display:flex;flex-direction:column;align-items:center;gap:12px}.footer-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:15px}.footer-brand .brand-icon{fill:var(--primary)}.footer-copy{font-size:13px;color:var(--text-muted)}.footer-beian{margin:0;font-size:12px;line-height:1.5}.footer-beian a{color:var(--text-muted);text-decoration:none}.footer-beian a:hover{color:var(--text)}.footer-links{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px 10px;font-size:12px;line-height:1.5}.footer-links a{color:var(--text-muted);text-decoration:none}.footer-links a:hover{color:var(--text)}.footer-links .sep{color:var(--text-muted)}@media (max-width: 1024px){.workflow-track{flex-direction:column;align-items:stretch;gap:0;max-width:480px;margin:0 auto}.workflow-connector{width:2px;height:32px;margin:0 auto;background:linear-gradient(180deg,var(--primary),rgba(22,119,255,.3))}.workflow-step{max-width:none;flex-direction:row;text-align:left;gap:20px}.step-marker{width:48px;height:48px;flex-shrink:0}}@media (max-width: 960px){.hero-inner{grid-template-columns:1fr;text-align:center;gap:48px}.hero-desc{margin-left:auto;margin-right:auto}.hero-actions{justify-content:center}.hero-stats{margin:0 auto}.hero-visual{order:-1}.hero-mockup{max-width:320px;height:280px;margin:0 auto}.feature-grid,.app-grid{grid-template-columns:1fr}.header-nav{display:none}}@media (max-width: 600px){.section{padding:64px 0}.hero{padding:40px 0 64px}.hero-stats{flex-wrap:wrap;gap:16px;justify-content:center}.stat-divider{display:none}.header-cta{padding:8px 14px;font-size:13px}}