docs: 更新项目文档，完善需求和技术细节

official_website/css/style.css

@@ -150,6 +150,11 @@ body {
     transform: translateY(-3px);
 }
 
+.news-img {
+    height: 200px;
+    object-fit: cover;
+}
+
 /* 页脚样式 */
 /* 修复body样式 */
 body {
@@ -165,6 +170,12 @@ footer {
     background: linear-gradient(135deg, #2E7D32 0%, #388E3C 100%); /* 深绿色渐变 */
 }
 
+/* 页面标题样式 */
+.page-header {
+    background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
+    margin-top: 76px;
+}
+
 footer h5,
 footer h6 {
     color: white;
@@ -247,36 +258,79 @@ footer a:hover {
     height: 1rem;
 }
 
+/* 价格卡片样式 */
+.pricing-card {
+    transition: all 0.3s ease;
+}
+
+.pricing-card:hover {
+    transform: translateY(-10px);
+}
+
+.pricing-price {
+    font-size: 2rem;
+    font-weight: bold;
+}
+
+/* 测试imonial卡片样式 */
+.testimonial-card {
+    transition: all 0.3s ease;
+}
+
+.testimonial-card:hover {
+    transform: translateY(-5px);
+}
+
+.testimonial-avatar {
+    width: 50px;
+    height: 50px;
+    font-weight: bold;
+    font-size: 1.2rem;
+}
+
+/* 联系卡片样式 */
+.contact-card {
+    transition: all 0.3s ease;
+}
+
+.contact-card:hover {
+    transform: translateY(-5px);
+}
+
+.contact-icon {
+    width: 70px;
+    height: 70px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+/* 社交联系样式 */
+.social-contact-links a {
+    transition: all 0.3s ease;
+}
+
+.social-contact-links a:hover {
+    transform: translateY(-3px);
+}
+
 /* 响应式设计 */
 @media (max-width: 768px) {
     .hero-section h1 {
         font-size: 2.5rem;
     }
     
-    .hero-section p {
-        font-size: 1.1rem;
-    }
-    
-    .display-5 {
-        font-size: 2rem;
-    }
-    
-    .feature-icon {
-        width: 60px;
-        height: 60px;
-    }
-    
     .min-vh-75 {
         min-height: 60vh;
     }
     
-    .avatar {
-        width: 60px;
-        height: 60px;
+    .timeline::before {
+        left: 30px;
     }
     
-    .avatar i {
-        font-size: 2rem !important;
+    .timeline-date {
+        width: fit-content;
+        margin-left: 30px;
     }
 }