*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background:#f5f5f7;color:#111827}a{color:inherit;text-decoration:none}.page{min-height:100vh;display:flex;flex-direction:column}.main{flex:1}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 24px}.header{position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffffff2;border-bottom:1px solid rgba(209,213,219,.7)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}.logo{display:flex;align-items:center;gap:12px}.logo-mark{width:150px;height:56px;border-radius:12px;background:#1118270d;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}.logo-text{display:flex;flex-direction:column}.logo-name{font-weight:600;font-size:17px}.logo-subtitle{font-size:12px;color:#6b7280}.nav{display:flex;gap:24px;font-size:14px}.nav a{color:#4b5563;padding:6px 10px;border-radius:999px;transition:background-color .18s ease,color .18s ease,opacity .18s ease}.nav a:hover{background-color:#e5f3ff;color:#0f766e;opacity:1}.nav .router-link-active,.nav .router-link-exact-active{background-color:#0f766e;color:#fff}.section{padding:72px 0;background:transparent}.section-alt{background:#f9fafb}.section-highlight{background:#ecfdf3}.section-title{text-align:left;font-size:28px;font-weight:700;margin-bottom:12px}.section-subtitle{margin-top:0;margin-bottom:32px;font-size:14px;color:#6b7280}.hero{background:linear-gradient(135deg,#fff,#f5f5f7)}.hero-inner{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center}.hero-title{font-size:36px;line-height:1.2;margin-bottom:16px}.hero-title .highlight{color:#0f766e}.hero-subtitle{font-size:14px;color:#4b5563;max-width:520px}.hero-actions{margin-top:32px;display:flex;gap:32px;flex-wrap:wrap}.hero-qrcode{text-align:center}.qrcode-placeholder{width:150px;height:150px;border-radius:16px;border:1px dashed rgba(148,163,184,.8);display:flex;align-items:center;justify-content:center;font-size:12px;color:#6b7280;padding:8px}.qrcode-tip{margin-top:8px;font-size:12px;color:#6b7280}.hero-meta{font-size:13px;color:#4b5563}.hero-right{display:flex;justify-content:center}.hero-image-card{border-radius:24px;border:1px solid rgba(209,213,219,.9);background:#fff;overflow:hidden;max-width:420px}.hero-image-card img{display:block;width:100%;height:auto}.screen-mock{border-radius:24px;border:1px solid rgba(209,213,219,.9);background:#fff;overflow:hidden}.screen-header{padding:10px 16px;font-size:13px;border-bottom:1px solid rgba(229,231,235,.9);background:#f9fafb}.screen-body{padding:16px}.screen-card{border-radius:18px;background:#f9fafb;padding:16px}.screen-title{font-size:14px;margin-bottom:12px}.screen-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.screen-stat .label{font-size:12px;color:#6b7280}.screen-stat .value{font-size:16px;font-weight:600;margin-top:4px}.features-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.feature-card{padding:20px;border-radius:16px;border:1px solid rgba(229,231,235,.9);background:#fff;box-shadow:0 18px 45px #0f172a0f;font-size:13px}.feature-card h3{margin-top:0;margin-bottom:8px;font-size:16px}.feature-card p{margin:0;color:#6b7280}.usage-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.usage-card{padding:18px;border-radius:16px;background:#fff;border:1px solid rgba(229,231,235,.9);box-shadow:0 18px 45px #0f172a0d;font-size:13px}.usage-card h3{margin-top:0;margin-bottom:8px;font-size:15px}.usage-card p{margin:0;color:#6b7280}.company-banner{margin-top:40px;border-radius:24px;overflow:hidden;border:1px solid rgba(209,213,219,.9)}.company-banner img{display:block;width:100%;height:auto}.download-inner{display:flex;gap:48px;align-items:center}.download-steps{list-style:none;padding:0;margin:0;font-size:14px;color:#4b5563}.download-steps li+li{margin-top:4px}.qrcode-box{padding:12px;border-radius:24px;background:#fff;border:1px solid rgba(209,213,219,.9)}.faq-list{display:flex;flex-direction:column;gap:16px;font-size:13px}.faq-item{padding:16px 18px;border-radius:16px;background:#fff;border:1px solid rgba(229,231,235,.9);box-shadow:0 18px 45px #0f172a0a}.faq-item h3{margin:0 0 6px;font-size:14px}.faq-item p{margin:0;color:#6b7280}.footer{border-top:1px solid rgba(229,231,235,.9);padding:20px 0;background:#fff}.footer-inner{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#6b7280}.footer-brand{font-size:14px;font-weight:600;margin-bottom:4px}.footer-desc{max-width:420px}.icp-placeholder{margin-top:4px}@media (max-width: 960px){.hero-inner{grid-template-columns:1fr}.features-grid,.usage-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.download-inner{flex-direction:column;align-items:flex-start}}@media (max-width: 640px){.header-inner{gap:12px}.nav{display:none}.section{padding:48px 0}.features-grid,.usage-grid{grid-template-columns:1fr}}