:root{--zs-orange: #ff7a18;--zs-text: #1f2937;--zs-muted: #4b5563;--zs-border: rgba(0, 0, 0, .12);--zs-bg: #ffffff;--zs-surface: #ffffff;--zs-surface-alt: #f5f7fa;--zs-sidebar-bg: #f3f5f8;--zs-input-bg: #ffffff;--zs-btn-bg: #ffffff}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--zs-bg);color:var(--zs-text)}.vc-app{min-height:100vh}.vc-topbar{position:fixed;top:0;left:0;right:0;height:78px;z-index:1000;display:flex;align-items:center;padding:16px 28px;background:var(--zs-surface);border-bottom:1px solid var(--zs-border)}.vc-brand{display:flex;align-items:center;gap:16px}.vc-logo{height:48px}.vc-brand-divider{width:2px;height:44px;background:#9ca3af}.vc-title{font-size:34px;font-weight:800;color:var(--zs-orange);line-height:1.1}.vc-below-header{display:flex;margin-top:78px;height:calc(100vh - 78px)}.vc-sidebar{position:fixed;top:78px;bottom:0;left:0;width:280px;background:var(--zs-sidebar-bg);border-right:1px solid var(--zs-border);overflow-y:auto;padding:12px 14px 16px}.vc-sidebar-auth{font-size:13px;color:var(--zs-muted);line-height:1.4;margin-bottom:10px}.vc-auth-line{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.vc-collapse-btn{border:1px solid var(--zs-border);background:var(--zs-btn-bg);width:34px;height:32px;border-radius:8px;font-weight:700;cursor:pointer}.vc-section{margin-top:16px}.vc-section-title{font-size:22px;font-weight:800;margin:10px 0 14px}.vc-field{margin-bottom:16px}.vc-label{font-size:14px;font-weight:600;margin-bottom:8px}.vc-input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--zs-border);background:var(--zs-input-bg);font-size:14px}.vc-divider{height:1px;background:var(--zs-border);margin:18px 0}.vc-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--zs-btn-bg);border:1px solid var(--zs-border);border-radius:12px;padding:10px 14px;font-weight:600;cursor:pointer}.vc-btn.secondary{background:transparent}.vc-hint{font-size:12px;color:var(--zs-muted);margin-top:6px}.vc-content-wrapper{margin-left:280px;flex:1;display:flex;flex-direction:column;min-width:0}.vc-tabs{display:flex;gap:12px;padding:12px 28px;background:var(--zs-surface-alt);border-bottom:1px solid var(--zs-border)}.vc-tab{background:var(--zs-btn-bg);border:1px solid var(--zs-border);border-radius:14px;padding:10px 18px;font-size:15px;font-weight:600;cursor:pointer}.vc-tab.active{border-color:#00000040}.vc-main{flex:1;overflow-y:auto;padding:24px 28px;background:var(--zs-bg)}.vc-muted{color:var(--zs-muted)}