猜数�?/title>  <meta name="description" content="猜数�? /> <meta name="keywords" content="number-guessing,fun,tools" /> <meta name="author" content="WebUtils" /> <meta name="robots" content="index, follow" /> <link rel="canonical" href="https://essays4u.net/tools/fun/number-guessing.html" />  <meta property="og:title" content="猜数�? /> <meta property="og:description" content="猜数�? /> <meta property="og:type" content="website" /> <meta property="og:url" content="https://essays4u.net/tools/fun/number-guessing.html" /> <meta property="og:site_name" content="WebUtils" /> <meta property="og:locale" content="zh_CN" /> <meta property="og:image" content="https://essays4u.net/social-preview.png" />  <meta name="twitter:card" content="summary" /> <meta name="twitter:title" content="猜数�? /> <meta name="twitter:description" content="猜数�? /> <meta name="twitter:image" content="https://essays4u.net/social-preview.png" /> <style> :root { --bg-deep: #0a0a0f; --bg-surface: #12121a; --bg-card: #1a1a24; --bg-input: #0e0e14; --text-primary: #e8e8ed; --text-secondary: #8888a0; --text-muted: #55556a; --border-subtle: #2a2a3a; --border-strong: #3a3a4a; --accent-cyan: #00f5d4; --accent-magenta: #f72585; --accent-green: #10b981; --accent-red: #f43f5e; --accent-yellow: #fbbf24; --accent-blue: #4cc9f0; --accent-purple: #7b2cbf; --radius-sm: 4px; --radius-md: 8px; --radius-lg: 12px; --font-sans: "Space Grotesk", -apple-system, blinkmacsystemfont, "Segoe UI", roboto, sans-serif; --font-mono: "JetBrains Mono", "Courier New", monospace; --shadow: 0 2px 8px rgba(0, 0, 0, 0.3); } [data-theme="light"] { --bg-deep: #fafafa; --bg-surface: #fff; --bg-card: #fff; --bg-input: #f5f5f5; --text-primary: #1a1a1a; --text-secondary: #666; --text-muted: #999; --border-subtle: #e5e5e5; --border-strong: #d5d5d5; --accent-cyan: #00d4b8; --accent-magenta: #e63975; --shadow: 0 2px 8px rgba(0, 0, 0, 0.08); } * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: var(--font-sans); min-height: 100vh; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); display: flex; align-items: center; justify-content: center; } .container { max-width: 400px; width: 90%; background: white; padding: 30px; border-radius: 15px; text-align: center; } h1 { margin-bottom: 20px; } .info { color: #666; margin-bottom: 20px; } input { width: 100%; padding: 15px; border: 2px solid #e2e8f0; border-radius: 10px; font-size: 1.5rem; text-align: center; margin-bottom: 15px; } .btn { padding: 12px 24px; background: var(--color-accent-cyan); color: var(--color-bg-deep); border: none; border-radius: var(--radius-sm); cursor: pointer; font-weight: 600; transition: all 0.2s ease; } .btn:hover { background: #00dfc4; box-shadow: 0 0 20px var(--glow-cyan); } .hint { margin-top: 20px; padding: 15px; background: #f7fafc; border-radius: 10px; font-size: 1.2rem; } .hint.high { color: #e53e3e; } .hint.low { color: #3182ce; } .hint.win { color: #38a169; font-weight: bold; } .attempts { margin-top: 15px; color: #666; } .breadcrumb { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 0.85rem; padding: 8px 14px; background: var(--color-bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); margin-bottom: 20px; } .breadcrumb a { color: var(--color-text-secondary); text-decoration: none; transition: color 0.2s ease; } .breadcrumb a:hover { color: var(--color-accent-cyan); } .breadcrumb a:hover { text-decoration: underline; } .breadcrumb span { color: #999; margin: 0 5px; } </style>  <link rel="preconnect" href="https://fonts.googleapis.com" /> <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin /> <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap" rel="stylesheet" /> </head> <body> <button class="theme-toggle" onclick="toggleTheme()" aria-label="切换主题"> <span id="theme-icon">🌙</span> </button> <nav class="breadcrumb"> <a href="../../index.html">首页</a> <span>�?/span> 猜数�? </nav> <div class="container"> <h1>🔢 猜数�?/h1> <div class="info">猜一�?-100之间的数�?/div> <input type="number" id="guess" min="1" max="100" placeholder="输入你的猜测" /> <button class="btn" onclick="checkGuess()">�?</button> <div class="hint" id="hint">开始猜测吧!</div> <div class="attempts"> 尝试次数: <span id="attempts">0</span> </div> <button class="btn" style="margin-top: 15px; background: #e2e8f0; color: #4a5568" onclick="newGame()" > 重新开�? </button> </div> <script> let target, attempts; function newGame() { target = Math.floor(Math.random() * 100) + 1; attempts = 0; document.getElementById("attempts").textContent = "0"; document.getElementById("hint").textContent = "开始猜测吧!"; document.getElementById("hint").className = "hint"; document.getElementById("guess").value = ""; } function checkGuess() { const guess = parseInt(document.getElementById("guess").value); if (isNaN(guess) || guess < 1 || guess > 100) { document.getElementById("hint").textContent = "请输�?-100的数�?; return; } attempts++; document.getElementById("attempts").textContent = attempts; const hint = document.getElementById("hint"); if (guess === target) { hint.textContent = "🎉 正确! 用了 " + attempts + " �?; hint.className = "hint win"; } else if (guess > target) { hint.textContent = "太大�? 往小猜"; hint.className = "hint high"; } else { hint.textContent = "太小�? 往大猜"; hint.className = "hint low"; } } document.getElementById("guess").onkeypress = (e) => { if (e.key === "Enter") checkGuess(); }; newGame(); // Theme toggle function toggleTheme() { const html = document.documentElement; const currentTheme = html.getAttribute("data-theme"); const newTheme = currentTheme === "light" ? "dark" : "light"; html.setAttribute("data-theme", newTheme); document.getElementById("theme-icon").textContent = newTheme === "light" ? "☀�? : "🌙"; localStorage.setItem("theme", newTheme); } // Load saved theme const savedTheme = localStorage.getItem("theme") || "dark"; if (savedTheme === "light") { document.documentElement.setAttribute("data-theme", "light"); document.getElementById("theme-icon").textContent = "☀�?; } </script> </body> </html>