:root{--primary-color: #007AFF;--secondary-color: #5AC8FA;--background-color: #F5F5F7;--surface-color: #FFFFFF;--text-color: #1D1D1F;--text-secondary: #86868B;--border-radius: 18px;--box-shadow: 0 4px 24px rgba(0, 0, 0, .06);--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;--max-width: 1200px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--background-color);color:var(--text-color);line-height:1.5;-webkit-font-smoothing:antialiased}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}header{background-color:#fffc;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);position:sticky;top:0;z-index:1000;border-bottom:1px solid rgba(0,0,0,.05)}nav{display:flex;justify-content:space-between;align-items:center;height:64px}.logo{font-weight:600;font-size:1.2rem;color:var(--text-color);text-decoration:none;display:flex;align-items:center;gap:10px}.nav-links{display:flex;gap:24px}.nav-links a{text-decoration:none;color:var(--text-secondary);font-size:.9rem;transition:color .2s ease}.nav-links a:hover{color:var(--primary-color)}.hero{padding:100px 0 60px;text-align:center;background:radial-gradient(circle at top center,#fff,#f5f5f7)}.hero h1{font-size:3.5rem;font-weight:700;margin-bottom:16px;letter-spacing:-.02em;background:linear-gradient(135deg,#1d1d1f,#434344);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero p{font-size:1.5rem;color:var(--text-secondary);max-width:600px;margin:0 auto 40px;font-weight:400}.btn{display:inline-block;padding:12px 24px;background-color:var(--primary-color);color:#fff;text-decoration:none;border-radius:980px;font-weight:500;font-size:1rem;transition:transform .2s ease,background-color .2s ease}.btn:hover{background-color:#0071e3;transform:scale(1.02)}.btn-secondary{background-color:transparent;color:var(--primary-color);border:1px solid var(--primary-color);margin-left:10px}.btn-secondary:hover{background-color:#007aff1a}.features{padding:100px 0;background-color:var(--surface-color)}.section-title{text-align:center;font-size:2.5rem;font-weight:600;margin-bottom:60px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:40px}.feature-card{background:var(--background-color);padding:40px;border-radius:var(--border-radius);text-align:left;transition:transform .3s ease}.feature-card:hover{transform:translateY(-5px)}.feature-icon{font-size:2rem;margin-bottom:20px;color:var(--primary-color)}.feature-card h3{font-size:1.25rem;margin-bottom:12px;font-weight:600}.feature-card p{color:var(--text-secondary);line-height:1.6}.content-page{padding:60px 0;max-width:800px;margin:0 auto}.content-page h1{font-size:2.5rem;margin-bottom:40px;border-bottom:1px solid #e0e0e0;padding-bottom:20px}.content-page h2{font-size:1.5rem;margin-top:40px;margin-bottom:16px;color:var(--text-color)}.content-page p,.content-page ul{margin-bottom:16px;color:var(--text-secondary);line-height:1.7}.content-page ul{padding-left:20px}.content-page li{margin-bottom:8px}.contact{padding:100px 0;text-align:center;background-color:var(--background-color)}.contact-box{background:var(--surface-color);padding:60px;border-radius:var(--border-radius);box-shadow:var(--box-shadow);max-width:600px;margin:0 auto}footer{background-color:#f5f5f7;padding:40px 0;border-top:1px solid #e0e0e0;font-size:.8rem;color:var(--text-secondary)}.footer-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}.footer-links a{color:var(--text-secondary);text-decoration:none;margin-left:20px}.footer-links a:hover{text-decoration:underline}.hidden{display:none}@media(max-width:768px){.hero h1{font-size:2.5rem}.hero p{font-size:1.1rem}.nav-links{display:none}.container{padding:0 16px}}.mockup-container{width:100%;max-width:900px;height:600px;background-color:#f2f2f7;border-radius:40px;box-shadow:0 0 0 12px #1d1d1f,0 50px 100px -20px #32325d40,0 30px 60px -30px #0000004d;position:relative;overflow:hidden;margin:40px auto;display:flex;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;border:1px solid #d1d1d6}.mockup-sidebar{width:250px;background-color:#fffc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-right:1px solid rgba(0,0,0,.1);display:flex;flex-direction:column;padding:20px}.mockup-nav-item{display:flex;align-items:center;padding:12px;margin-bottom:8px;border-radius:10px;color:var(--primary-color);background-color:#007aff1a;font-weight:500;cursor:pointer;transition:background-color .2s}.mockup-nav-item.active{background-color:var(--primary-color);color:#fff}.mockup-nav-item:hover:not(.active){background-color:#007aff26}.mockup-nav-icon{width:24px;height:24px;margin-right:12px;fill:currentColor}.mockup-content{flex:1;padding:30px;background-color:#fff;overflow-y:auto}.mockup-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;padding-bottom:15px;border-bottom:1px solid #e5e5ea}.mockup-title{font-size:1.5rem;font-weight:700}.mockup-user-avatar{width:40px;height:40px;border-radius:50%;background-color:#e5e5ea}.mockup-form-group{margin-bottom:20px}.mockup-label{display:block;margin-bottom:8px;font-weight:500;font-size:.9rem;color:#8e8e93}.mockup-input{width:100%;padding:12px;border:1px solid #e5e5ea;border-radius:10px;font-size:1rem;background-color:#f2f2f7;transition:border-color .2s}.mockup-input:focus{outline:none;border-color:var(--primary-color);background-color:#fff}.mockup-textarea{width:100%;padding:12px;border:1px solid #e5e5ea;border-radius:10px;font-size:1rem;background-color:#f2f2f7;min-height:100px;resize:vertical}.mockup-row{display:flex;gap:20px}.mockup-col{flex:1}.mockup-btn{padding:10px 20px;background-color:var(--primary-color);color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;float:right}.mockup-list{display:flex;flex-direction:column;gap:15px}.mockup-list-item{display:flex;align-items:center;padding:15px;background-color:#f9f9f9;border-radius:12px;transition:background-color .2s}.mockup-list-item:hover{background-color:#f2f2f7}.mockup-avatar{width:40px;height:40px;border-radius:50%;background-color:#34c759;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.9rem;margin-right:15px}.mockup-info{flex:1}.mockup-name{font-weight:600;font-size:1rem;color:#1d1d1f}.mockup-detail{font-size:.85rem;color:#8e8e93}.mockup-action{color:var(--primary-color);font-weight:500;font-size:.9rem;cursor:pointer}.mockup-timeline{display:flex;flex-direction:column;gap:20px;position:relative;padding-left:10px}.mockup-timeline:before{content:"";position:absolute;left:45px;top:10px;bottom:10px;width:2px;background-color:#e5e5ea;z-index:0}.mockup-event{display:flex;align-items:flex-start;gap:20px;position:relative;z-index:1}.mockup-time{font-weight:600;color:#1d1d1f;min-width:50px;text-align:right;padding-top:12px}.mockup-card{background-color:#fff;border:1px solid #e5e5ea;border-radius:12px;padding:12px 16px;flex:1;box-shadow:0 2px 8px #00000005}.mockup-card .mockup-name{margin-bottom:2px}@media(max-width:768px){.mockup-sidebar{width:60px;padding:10px}.mockup-nav-item span{display:none}.mockup-nav-icon{margin-right:0}.mockup-row{flex-direction:column;gap:0}}