refactor: 優化為更純粹的 Apple 風格

- 減少圓角大小 (8px)，更貼近 Apple 官網
- 簡化色彩方案，使用更多白色和淺灰
- 移除過度的漸層和陰影效果
- 調整字體大小，更接近官網比例
- 簡化按鈕設計，減少視覺噪音
- 移除 backdrop-filter 效果
- 整體設計更簡潔、更專業

Author: yulin0629

index.html

@@ -35,7 +35,7 @@
             font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
             line-height: 1.6;
             color: #1a1a1a;
-            background: #fafafa;
+            background: #ffffff;
             min-height: 100vh;
         }
 
@@ -53,15 +53,12 @@
         }
 
         .header h1 {
-            font-size: 5rem;
+            font-size: 3.5rem;
             font-weight: 700;
             margin-bottom: 32px;
             letter-spacing: -0.04em;
             line-height: 1;
-            background: linear-gradient(180deg, #000000 0%, #333333 100%);
-            -webkit-background-clip: text;
-            -webkit-text-fill-color: transparent;
-            background-clip: text;
+            color: #1d1d1f;
         }
 
         @media (max-width: 768px) {
@@ -71,7 +68,7 @@
         }
 
         .header p {
-            font-size: 1.75rem;
+            font-size: 1.25rem;
             color: #6e6e73;
             font-weight: 400;
             letter-spacing: -0.02em;
@@ -95,16 +92,14 @@
         }
 
         .feature-card {
-            background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
-            padding: 48px 40px;
-            border: 1px solid rgba(0,0,0,0.04);
-            border-radius: 28px;
+            background: #f5f5f7;
+            padding: 32px;
+            border: 1px solid rgba(0,0,0,0.06);
+            border-radius: 8px;
             transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
             position: relative;
             overflow: hidden;
-            backdrop-filter: blur(20px);
-            -webkit-backdrop-filter: blur(20px);
-            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
+            box-shadow: none;
             animation: fadeInUp 0.8s ease-out;
             animation-fill-mode: both;
         }
@@ -126,8 +121,8 @@
         }
 
         .feature-card:hover {
-            transform: translateY(-12px) scale(1.02);
-            box-shadow: 0 30px 60px rgba(0,0,0,0.12);
+            transform: translateY(-4px);
+            box-shadow: 0 8px 24px rgba(0,0,0,0.08);
             border-color: rgba(0,0,0,0.08);
         }
 
@@ -170,15 +165,15 @@
         }
 
         .scenario-item {
-            background: linear-gradient(145deg, #ffffff 0%, #fbfbfd 100%);
+            background: #ffffff;
             color: #1d1d1f;
-            padding: 56px 48px;
-            border: 1px solid rgba(0,0,0,0.04);
-            border-radius: 28px;
+            padding: 40px;
+            border: 1px solid rgba(0,0,0,0.06);
+            border-radius: 8px;
             transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
             position: relative;
             overflow: hidden;
-            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
+            box-shadow: none;
         }
 
         .scenario-item::before {
@@ -195,8 +190,8 @@
         }
 
         .scenario-item:hover {
-            transform: translateY(-16px) scale(1.01);
-            box-shadow: 0 30px 80px rgba(0,0,0,0.12);
+            transform: translateY(-6px);
+            box-shadow: 0 12px 32px rgba(0,0,0,0.08);
             border-color: rgba(0,0,0,0.08);
         }
 
@@ -223,7 +218,7 @@
         }
 
         .scenario-description {
-            font-size: 1rem;
+            font-size: 0.9375rem;
             color: #6e6e73;
             line-height: 1.5;
             letter-spacing: -0.01em;
@@ -238,10 +233,10 @@
         }
 
         .btn {
-            padding: 14px 28px;
-            border-radius: 980px;
+            padding: 10px 20px;
+            border-radius: 24px;
             text-decoration: none;
-            font-size: 1rem;
+            font-size: 0.9375rem;
             transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
             display: inline-flex;
             align-items: center;
@@ -274,13 +269,11 @@
             background: rgba(0, 122, 255, 0.08);
             color: #007aff;
             border: none;
-            backdrop-filter: blur(20px);
-            -webkit-backdrop-filter: blur(20px);
         }
 
         .btn-doc:hover {
             background: rgba(0, 122, 255, 0.15);
-            transform: scale(1.05);
+            transform: translateY(-1px);
             box-shadow: 0 4px 20px rgba(0, 122, 255, 0.25);
         }
 
@@ -294,7 +287,7 @@
 
         .btn-demo:hover {
             background: linear-gradient(135deg, #0051d5 0%, #003d9e 100%);
-            transform: scale(1.05);
+            transform: translateY(-1px);
             box-shadow: 0 8px 25px rgba(0, 122, 255, 0.4);
         }
 
@@ -457,8 +450,6 @@
             height: 30px;
             cursor: pointer;
             background: rgba(142, 142, 147, 0.12);
-            backdrop-filter: blur(20px);
-            -webkit-backdrop-filter: blur(20px);
             border-radius: 15px;
             display: flex;
             align-items: center;