扫码登录，获取cookies

frontend/templates/register.html

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+{% extends "base.html" %}
+
+{% block title %}Register - Weibo-HotSign{% endblock %}
+
+{% block extra_css %}
+<style>
+    .auth-container {
+        max-width: 400px;
+        margin: 60px auto;
+    }
+
+    .auth-card {
+        background: white;
+        border-radius: 8px;
+        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
+        padding: 40px;
+    }
+
+    .auth-title {
+        text-align: center;
+        font-size: 28px;
+        font-weight: bold;
+        margin-bottom: 30px;
+        color: #6366f1;
+    }
+
+    .password-strength {
+        display: flex;
+        gap: 4px;
+        margin-top: 8px;
+    }
+
+    .strength-bar {
+        flex: 1;
+        height: 4px;
+        background-color: #ddd;
+        border-radius: 2px;
+    }
+
+    .strength-bar.active {
+        background-color: #28a745;
+    }
+
+    .strength-text {
+        font-size: 12px;
+        color: #666;
+        margin-top: 8px;
+    }
+
+    .auth-link {
+        text-align: center;
+        margin-top: 20px;
+        color: #666;
+    }
+
+    .auth-link a {
+        color: #6366f1;
+        text-decoration: none;
+        font-weight: 500;
+    }
+
+    .auth-link a:hover {
+        text-decoration: underline;
+    }
+</style>
+{% endblock %}
+
+{% block content %}
+<div class="auth-container">
+    <div class="auth-card">
+        <h1 class="auth-title">Create Account</h1>
+
+        <form method="POST" id="registerForm">
+            <div class="form-group">
+                <label for="username">Username</label>
+                <input type="text" id="username" name="username" required>
+            </div>
+
+            <div class="form-group">
+                <label for="email">Email</label>
+                <input type="email" id="email" name="email" required>
+            </div>
+
+            <div class="form-group">
+                <label for="password">Password</label>
+                <input type="password" id="password" name="password" required onchange="checkPasswordStrength()">
+                <div class="password-strength" id="strengthBars">
+                    <div class="strength-bar"></div>
+                    <div class="strength-bar"></div>
+                    <div class="strength-bar"></div>
+                    <div class="strength-bar"></div>
+                    <div class="strength-bar"></div>
+                </div>
+                <div class="strength-text">
+                    Must contain: uppercase, lowercase, number, special character, 8+ chars
+                </div>
+            </div>
+
+            <div class="form-group">
+                <label for="confirm_password">Confirm Password</label>
+                <input type="password" id="confirm_password" name="confirm_password" required>
+            </div>
+
+            <button type="submit" class="btn btn-primary" style="width: 100%;">Register</button>
+        </form>
+
+        <div class="auth-link">
+            Already have an account? <a href="{{ url_for('login') }}">Login</a>
+        </div>
+    </div>
+</div>
+
+<script>
+function checkPasswordStrength() {
+    const password = document.getElementById('password').value;
+    let strength = 0;
+
+    if (password.length >= 8) strength++;
+    if (/[a-z]/.test(password)) strength++;
+    if (/[A-Z]/.test(password)) strength++;
+    if (/\d/.test(password)) strength++;
+    if (/[!@#$%^&*]/.test(password)) strength++;
+
+    const bars = document.querySelectorAll('.strength-bar');
+    bars.forEach((bar, index) => {
+        if (index < strength) {
+            bar.classList.add('active');
+        } else {
+            bar.classList.remove('active');
+        }
+    });
+}
+</script>
+{% endblock %}