:root{--primary-color: #004aad;--secondary-color: #002554;--accent-color: #00c6ff;--text-color: #333;--bg-light: #f4f7f9;--white: #ffffff}*{margin:0;padding:0;box-sizing:border-box}body{font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:var(--text-color);background-color:var(--white)}a{text-decoration:none;color:inherit}ul{list-style:none}header{background-color:var(--white);box-shadow:0 2px 10px #0000001a;padding:1rem 5%;position:fixed;width:100%;top:0;z-index:1000;display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;color:var(--primary-color)}.nav-btn{background-color:var(--primary-color);color:#fff;padding:.5rem 1.2rem;border-radius:4px;font-size:.9rem;transition:background .3s}.nav-btn:hover{background-color:var(--secondary-color)}.hero{margin-top:60px;background:linear-gradient(135deg,var(--secondary-color) 0%,var(--primary-color) 100%);color:#fff;padding:100px 5%;text-align:center}.hero h1{font-size:2.8rem;margin-bottom:1.5rem;font-weight:700}.hero p{font-size:1.2rem;max-width:800px;margin:0 auto 2rem;opacity:.9}.hero-tag{display:inline-block;border:1px solid var(--accent-color);color:var(--accent-color);padding:5px 15px;border-radius:20px;margin-bottom:20px;font-size:.9rem;letter-spacing:1px}section{padding:80px 5%}.section-title{text-align:center;font-size:2rem;margin-bottom:3rem;color:var(--secondary-color);position:relative}.section-title:after{content:"";display:block;width:60px;height:4px;background-color:var(--primary-color);margin:15px auto 0}.bg-gray{background-color:var(--bg-light)}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.service-card{background:#fff;padding:40px 30px;border-radius:8px;box-shadow:0 5px 15px #0000000d;transition:transform .3s;border-top:4px solid var(--primary-color)}.service-card:hover{transform:translateY(-10px)}.service-card h3{font-size:1.4rem;margin-bottom:15px;color:var(--secondary-color)}.service-card p{color:#666;font-size:1rem}.case-container{display:flex;flex-direction:column;gap:50px}.case-item{display:flex;flex-wrap:wrap;align-items:center;background:#fff;border:1px solid #eee;border-radius:10px;overflow:hidden;box-shadow:0 10px 30px #00000014}.case-content{flex:1;padding:40px;min-width:300px}.case-visual{flex:1;background:#eef2f5;min-height:300px;min-width:300px;display:flex;justify-content:center;align-items:center;color:#999;font-weight:700;font-size:1.2rem;background:linear-gradient(45deg,#f3f4f6 25%,transparent 25%,transparent 75%,#f3f4f6 75%,#f3f4f6),linear-gradient(45deg,#f3f4f6 25%,transparent 25%,transparent 75%,#f3f4f6 75%,#f3f4f6);background-size:20px 20px;background-position:0 0,10px 10px}.case-visual img{width:100%;height:100%;object-fit:cover}.case-tag{background-color:#e3f2fd;color:var(--primary-color);padding:5px 10px;border-radius:4px;font-size:.85rem;font-weight:700;margin-bottom:15px;display:inline-block}.case-content h3{font-size:1.6rem;margin-bottom:15px;color:var(--secondary-color)}.data-points{display:flex;gap:20px;margin-top:20px;padding-top:20px;border-top:1px solid #eee}.data-point{text-align:left}.data-point strong{display:block;font-size:1.5rem;color:var(--primary-color)}.data-point span{font-size:.9rem;color:#666}.cta-section{background-color:var(--secondary-color);color:#fff;text-align:center;padding:80px 5%}.cta-btn{display:inline-block;background-color:var(--accent-color);color:var(--secondary-color);padding:15px 40px;border-radius:30px;font-weight:700;font-size:1.2rem;margin-top:30px;transition:transform .2s}.cta-btn:hover{transform:scale(1.05);background-color:#fff}footer{background-color:#111;color:#777;text-align:center;padding:30px;font-size:.9rem}@media(max-width:768px){.hero h1{font-size:2rem}.section-title{font-size:1.6rem}.data-points{flex-direction:column;gap:10px}.case-item{flex-direction:column}.case-visual{width:100%;min-height:200px}}.survey-section{background-color:var(--white);padding:60px 5%}.survey-container{max-width:900px;margin:0 auto;background:#fff;border-radius:12px;box-shadow:0 10px 40px #0000000d;padding:40px;border:1px solid #eee}.survey-header{text-align:center;margin-bottom:40px}.survey-header h2{font-size:2rem;color:var(--secondary-color);margin-bottom:10px}.survey-header p{color:#666;font-size:1rem}.survey-group{margin-bottom:40px;border-bottom:1px solid #eee;padding-bottom:30px}.survey-group:last-child{border-bottom:none}.survey-group-title{font-size:1.4rem;color:var(--secondary-color);margin-bottom:10px;font-weight:600}.survey-group-desc{color:#666;margin-bottom:20px;font-size:.95rem}.basic-info-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:30px}@media(max-width:768px){.basic-info-grid{grid-template-columns:1fr}}.input-wrapper{display:flex;flex-direction:column}.input-wrapper label{font-weight:700;margin-bottom:8px;color:var(--secondary-color)}.input-wrapper input{padding:12px 15px;border:1px solid #ddd;border-radius:6px;font-size:1rem;transition:border-color .3s}.input-wrapper input:focus{border-color:var(--primary-color);outline:none}.options-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:15px}.option-group-label{font-weight:700;color:var(--text-color);margin:15px 0 10px;display:block;width:100%}.checkbox-card{display:flex;align-items:flex-start;padding:15px;border:1px solid #eee;border-radius:8px;cursor:pointer;transition:all .2s;background:#f9f9f9}.checkbox-card:hover{background:#fff;border-color:var(--accent-color);box-shadow:0 4px 12px #0000000d}.checkbox-card.selected{border-color:var(--primary-color);background-color:#f0f7ff}.checkbox-card input[type=checkbox],.checkbox-card input[type=radio]{margin-top:4px;margin-right:12px;accent-color:var(--primary-color);transform:scale(1.2)}.cards-content strong{display:block;color:var(--text-color);margin-bottom:4px;font-size:1rem}.cards-content span{font-size:.85rem;color:#777;line-height:1.4;display:block}.tech-status-row{margin-bottom:25px}.tech-status-row h4{font-size:1.1rem;margin-bottom:12px;color:var(--secondary-color)}.tech-options{display:flex;gap:15px;flex-wrap:wrap}.tech-option-label{display:flex;align-items:center;background:#f4f7f9;padding:10px 15px;border-radius:20px;cursor:pointer;font-size:.9rem;transition:background .2s}.tech-option-label:hover{background:#e3f2fd}.tech-option-label input{margin-right:8px;accent-color:var(--primary-color)}.submit-container{text-align:center;margin-top:40px}.submit-btn{background-color:var(--primary-color);color:#fff;border:none;padding:15px 50px;font-size:1.2rem;border-radius:30px;cursor:pointer;box-shadow:0 5px 15px #004aad4d;transition:all .3s}.submit-btn:hover{background-color:var(--secondary-color);transform:translateY(-2px);box-shadow:0 8px 20px #004aad66}.success-message{display:none;background-color:#d4edda;color:#155724;padding:15px;border-radius:8px;margin-top:20px;text-align:center;border:1px solid #c3e6cb}.modal-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:#0009;z-index:2000;justify-content:center;align-items:center;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.modal-content{background:#f4f6f9;width:90%;max-width:900px;max-height:90vh;border-radius:12px;overflow-y:auto;position:relative;box-shadow:0 15px 50px #0003;animation:slideUp .4s ease-out}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.report-header{background:linear-gradient(to right,#002554,#004aad);color:#fff;padding:30px;display:flex;justify-content:space-between;align-items:center}.report-title-block h3{font-size:1.5rem;margin-bottom:5px}.report-title-block span{opacity:.8;font-size:.9rem}.close-modal{background:#fff3;border:none;color:#fff;width:40px;height:40px;border-radius:50%;font-size:1.5rem;cursor:pointer;transition:background .2s}.close-modal:hover{background:#fff6}.report-body{padding:30px}.ai-summary-card{background:#fff;border-radius:8px;padding:25px;margin-bottom:30px;border-left:5px solid var(--accent-color);box-shadow:0 2px 10px #00000008;display:flex;gap:30px;align-items:center}.health-score{text-align:center}.score-circle{width:80px;height:80px;border-radius:50%;background:conic-gradient(var(--accent-color) 92%,#eee 0);display:flex;justify-content:center;align-items:center;font-size:1.5rem;font-weight:700;color:var(--primary-color);box-shadow:0 4px 10px #00c6ff33}.summary-text h4{color:var(--secondary-color);margin-bottom:10px;font-size:1.1rem}.summary-text p{color:#555;font-size:.95rem;line-height:1.6}.device-card{background:#fff;border-radius:8px;padding:20px;margin-bottom:20px;box-shadow:0 2px 10px #00000008;border:1px solid #eee;display:flex;flex-wrap:wrap;gap:20px}.device-card.warning{border-left:5px solid #ffcc00}.device-card.run{border-left:5px solid #28a745}.device-info{flex:1;min-width:200px}.device-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.device-name{font-weight:700;font-size:1.1rem;color:#333}.device-badge{font-size:.8rem;padding:3px 8px;border-radius:12px}.badge-run{background:#e6f9ec;color:#28a745}.badge-warning{background:#fff8e1;color:#ffbf00}.device-analysis{font-size:.9rem;color:#666;background:#f8f9fa;padding:10px;border-radius:6px;margin-top:10px}.device-metrics{display:flex;gap:20px;min-width:250px;align-items:center}.metric-item{text-align:center;flex:1;background:#fcfcfc;padding:10px;border-radius:6px;border:1px solid #eee}.metric-label{display:block;font-size:.8rem;color:#999;margin-bottom:5px}.metric-value{font-weight:700;color:var(--secondary-color)}.metric-warning{color:#d9534f}.report-btn{display:inline-block;background:#fff;border:1px solid var(--primary-color);color:var(--primary-color);padding:8px 20px;border-radius:20px;font-size:.9rem;margin-top:20px;cursor:pointer;transition:all .2s;font-weight:600}.report-btn:hover{background:var(--primary-color);color:#fff}@media(max-width:768px){.ai-summary-card{flex-direction:column;text-align:center}.device-metrics{flex-direction:column;align-items:flex-start}}.solutions-section{background:#fdfdfd;padding:80px 5%}.section-title-block{text-align:center;margin-bottom:60px}.section-subtitle{color:#666;font-size:1.1rem;margin-top:-30px;margin-bottom:30px}.solutions-container{max-width:1100px;margin:0 auto;display:flex;flex-direction:column;gap:80px}.solution-card{display:flex;align-items:center;gap:50px}.solution-card.reverse{flex-direction:row-reverse}.solution-content{flex:1;padding:20px}.solution-idx{font-size:4rem;font-weight:700;color:#f0f2f5;line-height:1;margin-bottom:-20px;position:relative;z-index:0;font-family:Impact,sans-serif;opacity:.8}.solution-content h3{font-size:1.8rem;margin-bottom:20px;color:var(--secondary-color);position:relative;z-index:1}.solution-content p{font-size:1.1rem;color:#555;line-height:1.7;position:relative;z-index:1}.solution-image{flex:1;background:#fff;padding:20px;border-radius:20px;box-shadow:0 10px 30px #0000000d;display:flex;justify-content:center;align-items:center;overflow:hidden;border:1px solid #f0f0f0}.solution-image img{max-width:100%;height:auto;transition:transform .3s}.solution-card:hover .solution-image img{transform:scale(1.05)}@media(max-width:768px){.solution-card{flex-direction:column;text-align:center;gap:30px}.solution-card.reverse{flex-direction:column}.solution-idx{font-size:3rem;margin-bottom:0}}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:20px;margin-bottom:30px}.stat-card{background:#fff;padding:20px;border-radius:8px;box-shadow:0 4px 15px #0000000d;border-top:3px solid var(--accent-color);text-align:center}.stat-value{font-size:1.8rem;font-weight:700;color:var(--secondary-color);margin:10px 0}.stat-label{font-size:.9rem;color:#888}.stat-trend{font-size:.85rem;font-weight:700}.trend-up{color:#d9534f}.trend-down{color:#28a745}.chart-section{background:#fff;padding:25px;border-radius:8px;box-shadow:0 4px 15px #0000000d;margin-bottom:30px}.chart-title{font-size:1.1rem;color:var(--secondary-color);margin-bottom:20px}.simple-bar-chart{display:flex;align-items:flex-end;justify-content:space-between;height:200px;padding-top:20px;border-bottom:1px solid #eee}.chart-bar-wrapper{display:flex;flex-direction:column;align-items:center;flex:1;height:100%;justify-content:flex-end}.chart-bar{width:60%;background:var(--primary-color);border-radius:4px 4px 0 0;transition:height 1s ease-out;opacity:.8}.chart-bar:hover{opacity:1}.chart-label{margin-top:10px;font-size:.8rem;color:#666}.gauge-section{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}.gauge-card{background:#fff;padding:20px;border-radius:8px;box-shadow:0 4px 15px #0000000d;text-align:center;display:flex;flex-direction:column;align-items:center}.gauge-circle{width:100px;height:50px;background:#eee;border-radius:100px 100px 0 0;position:relative;overflow:hidden;margin:20px 0 10px}.gauge-fill{position:absolute;top:0;left:0;width:100%;height:100%;background:var(--accent-color);transform-origin:bottom center;transform:rotate(0);transition:transform 1s ease-out}.gauge-cover{position:absolute;bottom:0;left:10%;width:80%;height:160%;background:#fff;border-radius:50%}.gauge-value{font-size:1.5rem;font-weight:700;color:var(--secondary-color)}