:root{--cy-primary: #4F6EF7;--cy-primary-hover: #3B5AE4;--cy-primary-bg: #EEF1FE;--cy-gradient: linear-gradient(135deg, #4F6EF7 0%, #7B5CF0 60%, #A855F7 100%);--cy-gradient-credit: linear-gradient(135deg, #ff9d4d, #ff6b35);--cy-text-main: #1F2329;--cy-text-sub: #646A73;--cy-text-weak: #8A9099;--cy-border: #E5E7EB;--cy-divider: #F0F1F5;--cy-page-bg: #F7F8FC;--cy-card-bg: #FFFFFF;--cy-success: #10B981;--cy-warning: #F59E0B;--cy-error: #EF4444;--cy-info: #3B82F6;--cy-card-radius: 12px;--cy-card-shadow: 0 1px 3px rgba(31, 35, 41, .06), 0 4px 16px rgba(31, 35, 41, .04);--cy-font-family: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--cy-page-bg);color:var(--cy-text-main);font-family:var(--cy-font-family);-webkit-font-smoothing:antialiased}.cy-card-body{padding:24px}.cy-hero{background:var(--cy-gradient);color:#fff;padding:96px 24px 120px;text-align:center;position:relative;overflow:hidden}.cy-hero h1{font-size:48px;margin:0 0 16px;letter-spacing:2px}.cy-hero p{font-size:18px;opacity:.92;max-width:640px;margin:0 auto 32px}.cy-hero .cy-hero-blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.35;background:#fff}.cy-hero .blob-a{width:420px;height:420px;top:-120px;left:-80px}.cy-hero .blob-b{width:360px;height:360px;bottom:-140px;right:-60px}.cy-container{max-width:1080px;margin:0 auto;padding:0 16px}.cy-section-title{text-align:center;font-size:28px;font-weight:600;margin:48px 0 8px}.cy-section-sub{text-align:center;color:#646a73;margin-bottom:24px}.cy-card{background:var(--cy-card-bg);border-radius:var(--cy-card-radius);box-shadow:var(--cy-card-shadow)}.cy-card .cy-card-body,.cy-card-body{padding:24px}.cy-feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.cy-feature-card{background:#fff;border-radius:16px;padding:28px;box-shadow:0 4px 20px #1f23290f;transition:transform .2s}.cy-feature-card:hover{transform:translateY(-4px)}.cy-feature-icon{font-size:32px;margin-bottom:12px}.cy-asset-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.cy-asset-item{border-radius:10px;overflow:hidden;background:#f0f1f5;aspect-ratio:1;display:flex;align-items:center;justify-content:center;cursor:pointer}.cy-asset-item img{width:100%;height:100%;object-fit:cover}.cy-asset-item .cy-asset-video{color:#8a9099;font-size:28px}.cy-auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--cy-gradient)}.cy-auth-card{background:#fff;border-radius:16px;padding:36px;width:380px;box-shadow:0 20px 60px #0000002e}.cy-auth-split{min-height:100vh;display:flex;background:var(--cy-gradient)}.cy-auth-illustration{flex:1;position:relative;overflow:hidden;display:flex;align-items:center;padding:48px}.cy-auth-illustration .cy-hero-blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.35;background:#fff}.cy-auth-illustration .blob-a{width:420px;height:420px;top:-120px;left:-80px}.cy-auth-illustration .blob-b{width:360px;height:360px;bottom:-140px;right:-60px}.cy-auth-illo-inner{position:relative;z-index:1;width:100%;max-width:480px;margin:0 auto}.cy-auth-form{flex:1;display:flex;align-items:center;justify-content:center;padding:32px;background:#ffffff14}.cy-auth-form .cy-auth-card{width:100%;max-width:420px;border-radius:16px;box-shadow:0 20px 60px #0000002e}@media(max-width:767px){.cy-auth-illustration{display:none}.cy-auth-form{background:transparent;padding:16px}}.cy-auth-logo{font-size:26px;font-weight:700;text-align:center;margin-bottom:4px;background:var(--cy-gradient);-webkit-background-clip:text;background-clip:text;color:transparent}.cy-auth-sub{text-align:center;color:#8a9099;margin-bottom:28px}.cy-admin-header{background:#fff;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:56px;border-bottom:1px solid #f0f1f5}.cy-msg-user,.cy-msg-assistant{max-width:76%;padding:10px 14px;border-radius:12px;margin:6px 0;line-height:1.6;word-break:break-word}.cy-msg-user{background:var(--cy-primary);color:#fff;margin-left:auto;border-bottom-right-radius:4px}.cy-msg-assistant{background:#fff;border:1px solid #eef0f4;border-bottom-left-radius:4px}.cy-credit-chip{background:linear-gradient(135deg,#ff9d4d,#ff6b35);color:#fff;border-radius:999px;padding:2px 12px;font-weight:600}