Initial commit: 心理咨询预约系统

PHP 前后端一体：首页咨询师列表、预约表单、管理后台、二维码准入与邮件通知；敏感配置与提交数据通过 .gitignore 排除。

Co-authored-by: Cursor <cursoragent@cursor.com>

css/variables.css

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+:root {
+  --color-primary: #4caf8a;
+  --color-primary-dark: #2d9668;
+  --color-primary-light: #e8f7ef;
+  --color-primary-soft: #f3fbf7;
+  --color-accent: #7ecba8;
+  --color-bg: #f0f5f2;
+  --color-bg-warm: #fafcf9;
+  --color-surface: #ffffff;
+  --color-text: #1a2e24;
+  --color-text-secondary: #5a6f64;
+  --color-text-muted: #8fa396;
+  --color-border: rgba(45, 150, 104, 0.1);
+  --color-border-strong: rgba(45, 150, 104, 0.18);
+  --color-danger: #e54d4d;
+  --color-tag-bg: linear-gradient(135deg, #edf9f2 0%, #e0f3ea 100%);
+  --color-tag-text: #2d9668;
+  --color-hospital: #3a9d72;
+
+  --radius-sm: 10px;
+  --radius-md: 14px;
+  --radius-lg: 20px;
+  --radius-xl: 28px;
+  --radius-full: 9999px;
+
+  --shadow-sm: 0 2px 12px rgba(45, 120, 90, 0.06);
+  --shadow-md: 0 8px 24px rgba(45, 120, 90, 0.08);
+  --shadow-lg: 0 12px 32px rgba(45, 120, 90, 0.14);
+  --shadow-card: 0 4px 20px rgba(26, 46, 36, 0.05);
+  --shadow-glow: 0 8px 32px rgba(76, 175, 138, 0.22);
+
+  --space-xs: 4px;
+  --space-sm: 8px;
+  --space-md: 16px;
+  --space-lg: 24px;
+  --space-xl: 32px;
+
+  --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif;
+  --header-height: 48px;
+  --footer-cta-height: 80px;
+  --safe-bottom: env(safe-area-inset-bottom, 0px);
+
+  --gradient-primary: linear-gradient(135deg, #5ec99a 0%, #3da876 50%, #2d9668 100%);
+  --gradient-hero: linear-gradient(165deg, #e8f7ef 0%, #f5fbf8 45%, #f0f5f2 100%);
+  --gradient-surface: linear-gradient(180deg, #ffffff 0%, #fafdfb 100%);
+}