diff --git a/20251114160805_20251115030208.png b/20251114160805_20251115030208.png
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diff --git a/index.html b/index.html
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+++ b/index.html
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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Paint Quote System</title>
+    <link rel="stylesheet" href="style.css">
+</head>
+<body>
+    <div class="container">
+        <!--左邊文字-->
+        <div class="left-session">
+            <h1><span>Welcome to Paint Quote System</span></h1>
+            <p>Consequat adipiscing ea do labore irure adipiscing<br>occaecat cupidatat excepteur duis mollit est.</p>
+        </div>
+        <!--右邊卡-->
+        <div class="right-card">
+            <div class="card">
+                <h2>Sign Up</h2>
+                <p class="subtitle">Enter details to create your account</p>
+
+                <form>
+                    <label>Your Name</label>
+                    <input type="text" placeholder="Enter your name">
+                    <br>
+                    <label>Phone number</label>
+                    <input type="text" placeholder="Enter your phone numbere">
+                    <br>
+                    <label>Dulux account</label>
+                    <input type="text" placeholder="Enter your Dulux account">
+                    <br>
+                    <button type="submit">Sign Up</button>
+                </form>
+
+                <p class="signin-text">Already have your Account? <a href="#">Sign in</a></p>
+            </div>
+        </div>
+    </div>
+</body>
+</html>
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diff --git a/style.css b/style.css
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+*{
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+}
+
+body{
+    font-family: sans-serif;
+    height: 100vh;
+    background-image: url("20251114160805_20251115030208.png");
+    background-size: cover;
+    overflow: hidden;
+    display: flex;                /* 用 flex */
+    align-items: center;          /* 垂直居中（最重要） */
+    justify-content: center;      /* 居中整个 container */
+}
+
+.container {
+    width: 100%;
+    display: flex;               
+    justify-content: center;     
+    align-items: center;         
+    gap: 80px;                   
+    padding: 40px;
+}
+
+.left-session{
+    flex-basis: 50%;
+    background-position: center;
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    padding: 80px 60px;
+}
+
+.left-session h1{
+    font-size: 32px;
+    margin-bottom: 20px;
+    font-weight: 400;
+    color: rgb(34, 55, 124);
+}
+
+.left-session h1 span{
+    border-bottom: 2px solid rgb(34, 55, 124);
+    display: inline-block;
+}
+
+.left-session p{
+    font-size: 18px;
+    line-height: 1.6;
+    opacity: 0.7;
+    color: rgb(34, 55, 124);
+}
+
+.right-card{
+    flex-basis: 50%;
+    background-color: white;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    border-radius: 10px;
+}
+
+.card{
+    width: 380px;
+}
+
+.card h2{
+    font-size: 32px;
+    color: rgb(73, 71, 71);
+    font-weight: 400;
+    text-align: center;
+    align-items: center;
+    margin-top: 40px;
+}
+
+.subtitle{
+    font-size: 16px;
+    color: rgb(73, 71, 71);
+    opacity: 0.7;
+    margin-bottom: 40px;
+    text-align: center;
+    margin-top: 20px;
+}
+
+form label{
+    display: block;
+    margin-bottom: 8px;
+    color: rgb(73, 71, 71);
+    opacity: 0.7;
+    font-weight: 400;
+}
+
+form input {
+    width: 100%;
+    padding: 14px 16px;
+    margin-bottom: 20px;
+    border: 2px solid #e0e0e0;
+    border-radius: 10px;
+    font-size: 16px;
+    transition: 0.3s;
+}
+
+form input:focus{
+    outline: none;
+    border-color: black;
+}
+
+button {
+    width: 100%;
+    padding: 14px;
+    background: rgb(52, 52, 235);
+    color: white;
+    border: none;
+    border-radius: 10px;
+    font-size: 18px;
+    font-weight: 600;
+    cursor: pointer;
+    transition: 0.3s;
+    margin-top: 10px;
+}
+
+button:hover {
+    background: blue;
+}
+
+.signin-text{
+    text-align: center;
+    margin-top: 30px;
+    color: #666;
+    margin-bottom: 40px;
+}
+
+.signin-text a{
+    text-align: center;
+    margin-top: 30px;
+    color: blue;
+    text-decoration: none;
+}
+
+.signin-text a:hover{
+    text-decoration: underline;
+}
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