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web/static/css/style.css

@@ -9,6 +9,10 @@
     --secondary-color: #2d2d2d;
     --accent-color: #0066ff;
     --accent-hover: #0052cc;
+    --brand-core: #141824;
+    --brand-ai-start: #0066ff;
+    --brand-ai-end: #7c3aed;
+    --brand-gradient: linear-gradient(135deg, var(--brand-ai-start) 0%, var(--brand-ai-end) 100%);
     --bg-primary: #ffffff;
     --bg-secondary: #f8f9fa;
     --bg-tertiary: #f1f3f5;
@@ -125,11 +129,19 @@ body {
     color: var(--text-primary);
 }
 
-.main-sidebar-header .logo span {
+.main-sidebar-header .logo span,
+.main-sidebar-header .brand-wordmark {
     font-size: 1.25rem;
-    font-weight: 600;
-    letter-spacing: -0.3px;
-    color: var(--text-primary);
+    font-weight: 700;
+    letter-spacing: -0.04em;
+    color: var(--brand-core);
+}
+
+.main-sidebar-header .brand-wordmark__ai {
+    background: var(--brand-gradient);
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
+    background-clip: text;
 }
 
 .main-sidebar-nav {
@@ -592,37 +604,89 @@ header {
 .logo {
     display: flex;
     align-items: center;
-    gap: 12px;
+    gap: 10px;
 }
 
 .logo svg {
     color: var(--accent-color);
 }
 
-.logo h1 {
+/* 品牌字标：CyberStrike + AI 渐变 */
+.brand-wordmark {
+    display: inline-flex;
+    align-items: baseline;
+    margin: 0;
+    font-size: 1.375rem;
+    font-weight: 700;
+    letter-spacing: -0.04em;
+    line-height: 1;
+    white-space: nowrap;
+}
+
+.brand-wordmark--lg {
     font-size: 1.5rem;
-    font-weight: 600;
-    letter-spacing: -0.5px;
+}
+
+.brand-wordmark--sm {
+    font-size: 1.25rem;
+}
+
+.brand-wordmark__core {
+    color: var(--brand-core);
+}
+
+.brand-wordmark__ai {
+    background: var(--brand-gradient);
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
+    background-clip: text;
+    font-weight: 800;
+}
+
+.brand-logo {
+    width: 36px;
+    height: 36px;
+    border-radius: 10px;
+    box-shadow: 0 2px 10px rgba(0, 102, 255, 0.18);
+    flex-shrink: 0;
+    object-fit: cover;
+}
+
+.logo h1,
+.logo .brand-wordmark {
+    font-size: 1.375rem;
 }
 
 .header-logo-link {
     cursor: pointer;
-    transition: opacity 0.2s ease;
+    transition: transform 0.2s ease, opacity 0.2s ease;
 }
 
 .header-logo-link:hover {
-    opacity: 0.85;
+    opacity: 1;
+    transform: translateY(-1px);
+}
+
+.header-logo-link:hover .brand-logo {
+    box-shadow: 0 4px 14px rgba(0, 102, 255, 0.28);
 }
 
 .version-badge {
-    display: inline-block;
-    margin-left: 6px;
-    font-size: 0.6875rem;
-    font-weight: 400;
-    color: var(--text-muted);
-    letter-spacing: 0.02em;
-    vertical-align: 0.35em;
+    display: inline-flex;
+    align-items: center;
+    margin-left: 4px;
+    padding: 3px 9px;
+    font-size: 0.625rem;
+    font-weight: 600;
+    font-family: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
+    color: var(--brand-ai-start);
+    background: linear-gradient(135deg, rgba(0, 102, 255, 0.08) 0%, rgba(124, 58, 237, 0.08) 100%);
+    border: 1px solid rgba(0, 102, 255, 0.22);
+    border-radius: 999px;
+    letter-spacing: 0.04em;
+    vertical-align: middle;
     user-select: none;
+    line-height: 1.4;
 }
 
 .header-right {
@@ -3091,10 +3155,36 @@ header {
 .login-brand {
     padding: 32px 28px 24px;
     text-align: center;
-    background: linear-gradient(180deg, rgba(0, 102, 255, 0.06) 0%, transparent 100%);
+    background: linear-gradient(180deg, rgba(0, 102, 255, 0.07) 0%, rgba(124, 58, 237, 0.04) 50%, transparent 100%);
     border-bottom: 1px solid var(--border-color);
 }
 
+.login-brand-logo {
+    width: 56px;
+    height: 56px;
+    margin: 0 auto 16px;
+    border-radius: 14px;
+    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.2);
+    object-fit: cover;
+}
+
+.login-title {
+    margin: 0;
+    display: flex;
+    flex-wrap: wrap;
+    align-items: baseline;
+    justify-content: center;
+    gap: 0.35em;
+    font-size: 1.25rem;
+    font-weight: 500;
+    color: var(--text-secondary);
+    letter-spacing: -0.01em;
+}
+
+.login-title .brand-wordmark {
+    font-size: 1.375rem;
+}
+
 .login-brand h2 {
     margin: 0;
     font-size: 1.375rem;
@@ -3530,8 +3620,19 @@ header {
         flex-shrink: 0;
     }
     
-    .logo h1 {
-        font-size: 1.25rem;
+    .logo h1,
+    .logo .brand-wordmark {
+        font-size: 1.2rem;
+    }
+
+    .brand-logo {
+        width: 32px;
+        height: 32px;
+    }
+
+    .version-badge {
+        padding: 2px 7px;
+        font-size: 0.5625rem;
     }
     
     .header-subtitle {