style: About 页面改左右布局，去掉 ABOUT US badge

- 左侧: 标题 + 三段文案
- 右侧: 联系信息卡片（地址/邮箱/电话）
- 去掉 badge，去掉居中窄栏，利用全宽

css/about.css

@@ -1,5 +1,5 @@
 /* ============================================
-   About 页面 — 极简
+   About 页面 — 左右布局
    ============================================ */
 
 #about {
@@ -13,40 +13,30 @@
   padding: 100px 0 80px;
 }
 
-.about-container {
-  max-width: 680px;
-  margin: 0 auto;
-  padding: 0 24px;
+.about-wrap {
+  display: flex;
+  gap: 80px;
+  max-width: 1200px;
+  width: 100%;
+  padding: 0 40px;
+  align-items: flex-start;
 }
 
-/* Badge */
-.about-badge {
-  display: inline-block;
-  padding: 4px 16px;
-  font-size: 11px;
-  font-weight: 600;
-  letter-spacing: 3px;
-  color: rgba(56, 189, 248, 0.7);
-  border: 1px solid rgba(56, 189, 248, 0.18);
-  border-radius: 20px;
-  margin-bottom: 28px;
+/* ---- 左侧 ---- */
+.about-left {
+  flex: 1;
+  min-width: 0;
 }
 
-/* 标题 */
 .about-title {
-  font-size: 48px;
+  font-size: 40px;
   font-weight: 700;
-  margin-bottom: 48px;
+  margin-bottom: 40px;
   background: linear-gradient(135deg, #fff 20%, #38BDF8 80%);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
-  line-height: 1.15;
-}
-
-/* ---- 文案 ---- */
-.about-text {
-  margin-bottom: 56px;
+  line-height: 1.2;
 }
 
 .about-text p {
@@ -61,34 +51,31 @@
   margin-bottom: 0;
 }
 
-/* 分隔线 */
-.about-divider {
-  width: 48px;
-  height: 2px;
-  background: linear-gradient(90deg, #38BDF8, rgba(99, 102, 241, 0.5));
-  border-radius: 2px;
-  margin-bottom: 48px;
+/* ---- 右侧 ---- */
+.about-right {
+  width: 340px;
+  flex-shrink: 0;
+  padding-top: 8px;
 }
 
-/* ---- 联系我们 ---- */
 .about-contact-title {
   font-size: 18px;
   font-weight: 600;
   color: rgba(226, 232, 240, 0.85);
-  margin-bottom: 28px;
+  margin-bottom: 24px;
 }
 
-.about-contact-grid {
+.contact-list {
   display: flex;
   flex-direction: column;
-  gap: 16px;
+  gap: 14px;
 }
 
 .contact-card {
   display: flex;
-  align-items: center;
-  gap: 16px;
-  padding: 20px 24px;
+  align-items: flex-start;
+  gap: 14px;
+  padding: 18px 20px;
   background: rgba(30, 41, 59, 0.3);
   border: 1px solid rgba(148, 163, 184, 0.05);
   border-radius: 12px;
@@ -101,11 +88,12 @@
 }
 
 .contact-icon {
-  width: 20px;
-  height: 20px;
+  width: 18px;
+  height: 18px;
   flex-shrink: 0;
   color: #38BDF8;
-  opacity: 0.6;
+  opacity: 0.55;
+  margin-top: 2px;
 }
 
 .contact-icon svg {
@@ -114,15 +102,16 @@
 }
 
 .contact-label {
-  font-size: 13px;
-  color: rgba(148, 163, 184, 0.5);
-  min-width: 64px;
-  flex-shrink: 0;
+  font-size: 12px;
+  color: rgba(148, 163, 184, 0.45);
+  margin-bottom: 4px;
+  letter-spacing: 0.3px;
 }
 
 .contact-value {
   font-size: 14px;
   color: rgba(226, 232, 240, 0.8);
+  line-height: 1.4;
 }
 
 /* ---- 移动端 ---- */
@@ -131,22 +120,22 @@
     padding: 70px 0 60px;
   }
 
+  .about-wrap {
+    flex-direction: column;
+    gap: 48px;
+    padding: 0 20px;
+  }
+
+  .about-right {
+    width: 100%;
+  }
+
   .about-title {
-    font-size: 32px;
-    margin-bottom: 32px;
+    font-size: 28px;
+    margin-bottom: 28px;
   }
 
   .about-text p {
     font-size: 14px;
   }
-
-  .contact-card {
-    flex-wrap: wrap;
-    gap: 8px;
-    padding: 16px 18px;
-  }
-
-  .contact-label {
-    min-width: auto;
-  }
 }