CSS渐变生成�?/title>  <meta name="description" content="CSS渐变生成�? /> <meta name="keywords" content="css-gradient-generator,dev,tools" /> <meta name="author" content="WebUtils" /> <meta name="robots" content="index, follow" /> <link rel="canonical" href="https://essays4u.net/tools/dev/css-gradient-generator.html" />  <meta property="og:title" content="CSS渐变生成�? /> <meta property="og:description" content="CSS渐变生成�? /> <meta property="og:type" content="website" /> <meta property="og:url" content="https://essays4u.net/tools/dev/css-gradient-generator.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="CSS渐变生成�? /> <meta name="twitter:description" content="CSS渐变生成�? /> <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); } .theme-toggle { position: fixed; top: 1rem; right: 1rem; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border-subtle); background: var(--color-bg-card); cursor: pointer; font-size: 1.2rem; z-index: 100; transition: all 0.2s; display: flex; align-items: center; justify-content: center; } .theme-toggle:hover { transform: scale(1.1); } * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: var(--font-sans); font-size: 16px; line-height: 1.6; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); min-height: 100vh; padding: 20px; } .container { max-width: 900px; margin: 0 auto; } h1 { color: white; text-align: center; margin-bottom: 20px; text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3); } .card { background: white; border-radius: 16px; padding: 24px; margin-bottom: 20px; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2); } .preview { height: 200px; border-radius: 12px; margin-bottom: 20px; border: 2px solid #e0e0e0; } .controls { display: grid; gap: 16px; } .control-row { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; } label { font-weight: 600; color: #333; min-width: 80px; } select, input[type="number"] { padding: 10px 14px; border: 2px solid #e0e0e0; border-radius: 8px; font-size: 14px; } input[type="color"] { width: 60px; height: 40px; border: none; border-radius: 8px; cursor: pointer; } input[type="range"] { flex: 1; min-width: 150px; } .color-stops { display: flex; flex-wrap: wrap; gap: 12px; margin: 16px 0; } .color-stop { display: flex; align-items: center; gap: 8px; background: var(--color-bg-card); padding: 8px 12px; border-radius: 8px; } .color-stop input[type="number"] { width: 60px; } .btn { padding: 10px 20px; border: none; border-radius: 8px; cursor: pointer; font-size: 14px; font-weight: 600; transition: all 0.3s; } .btn-primary { background: linear-gradient(135deg, #667eea, #764ba2); color: white; } .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4); } .btn-danger { background: #ff4757; color: white; } .btn-danger:hover { background: #f34; } .btn-sm { padding: 6px 12px; font-size: 12px; } .output { background: #1e1e1e; color: #9cdcfe; padding: 16px; border-radius: 8px; font-family: Monaco, Menlo, monospace; font-size: 13px; overflow-x: auto; white-space: pre-wrap; word-break: break-all; } .presets { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; } .preset { width: 50px; height: 50px; border-radius: 8px; cursor: pointer; border: 3px solid transparent; transition: all 0.3s; } .preset:hover { transform: scale(1.1); } .preset.active { border-color: #667eea; } .actions { display: flex; gap: 12px; margin-top: 16px; } .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> <nav class="breadcrumb"> <a href="../../index.html">首页</a> <span>�?/span> CSS渐变生成�? </nav> <div class="container"> <h1>🎨 CSS渐变生成�?/h1> <div class="card"> <h3 style="margin-bottom: 12px">预设渐变</h3> <div class="presets" id="presets"></div> </div> <div class="card"> <div class="preview" id="preview"></div> <div class="controls"> <div class="control-row"> <label>类型</label> <select id="gradientType"> <option value="linear">线性渐�?/option> <option value="radial">径向渐变</option> <option value="conic">锥形渐变</option> </select> <label for="input---">角度</label> <input type="range" id="angle" min="0" max="360" value="135" /> <span id="angleValue">135°</span> </div> <div class="control-row"> <label>颜色节点</label> <button class="btn btn-primary btn-sm" onclick="addColorStop()" aria-label="+ 添加颜色"> + 添加颜色 </button> </div> <div class="color-stops" id="colorStops"></div> </div> <div class="output" id="output"></div> <div class="actions"> <button class="btn btn-primary" onclick="copyCSS()" aria-label="📋 复制CSS"> 📋 复制CSS </button> <button class="btn btn-primary" onclick="randomGradient()" aria-label="🎲 随机生成"> 🎲 随机生成 </button> </div> </div> </div> <script> const presets = [ ["#667eea", "#764ba2"], ["#f093fb", "#f5576c"], ["#4facfe", "#00f2fe"], ["#43e97b", "#38f9d7"], ["#fa709a", "#fee140"], ["#a8edea", "#fed6e3"], ["#ff9a9e", "#fecfef"], ["#ffecd2", "#fcb69f"], ["#667eea", "#764ba2"], ["#11998e", "#38ef7d"], ["#fc466b", "#3f5efb"], ["#ee0979", "#ff6a00"] ]; let colorStops = [ { color: "#667eea", position: 0 }, { color: "#764ba2", position: 100 } ]; function init() { const presetsContainer = document.getElementById("presets"); presets.forEach((colors, i) => { const div = document.createElement("div"); div.className = "preset"; div.style.background = `linear-gradient(135deg, ${colors[0]}, ${colors[1]})`; div.onclick = () => applyPreset(colors); presetsContainer.appendChild(div); }); renderColorStops(); updateGradient(); } function applyPreset(colors) { colorStops = colors.map((c, i) => ({ color: c, position: (i * 100) / (colors.length - 1) })); renderColorStops(); updateGradient(); } function renderColorStops() { const container = document.getElementById("colorStops"); container.innerHTML = ""; colorStops.forEach((stop, i) => { const div = document.createElement("div"); div.className = "color-stop"; div.innerHTML = ` <input type="color" value="${stop.color}" onchange="updateStop(${i}, 'color', this.value)" aria-label="颜色选择�?> <input type="number" value="${stop.position}" min="0" max="100" onchange="updateStop(${i}, 'position', this.value)" aria-label="数字输入�? placeholder="请输入数字输入框">% ${colorStops.length > 2 ? `<button class="btn btn-danger btn-sm" onclick="removeStop(${i})" aria-label="×">×</button>` : ""} `; container.appendChild(div); }); } function updateStop(index, prop, value) { colorStops[index][prop] = prop === "position" ? parseInt(value) : value; updateGradient(); } function addColorStop() { const lastPos = colorStops[colorStops.length - 1].position; colorStops.push({ color: "#" + Math.floor(Math.random() * 16777215) .toString(16) .padStart(6, "0"), position: Math.min(lastPos + 20, 100) }); renderColorStops(); updateGradient(); } function removeStop(index) { if (colorStops.length > 2) { colorStops.splice(index, 1); renderColorStops(); updateGradient(); } } function updateGradient() { const type = document.getElementById("gradientType").value; const angle = document.getElementById("angle").value; document.getElementById("angleValue").textContent = angle + "°"; const stops = colorStops.map((s) => `${s.color} ${s.position}%`).join(", "); let gradient; if (type === "linear") { gradient = `linear-gradient(${angle}deg, ${stops})`; } else if (type === "radial") { gradient = `radial-gradient(circle, ${stops})`; } else { gradient = `conic-gradient(from ${angle}deg, ${stops})`; } document.getElementById("preview").style.background = gradient; document.getElementById("output").textContent = `background: ${gradient};`; } function copyCSS() { const css = document.getElementById("output").textContent; navigator.clipboard.writeText(css); alert("已复制到剪贴�?"); } function randomGradient() { const randomColor = () => "#" + Math.floor(Math.random() * 16777215) .toString(16) .padStart(6, "0"); colorStops = [ { color: randomColor(), position: 0 }, { color: randomColor(), position: 100 } ]; if (Math.random() > 0.5) { colorStops.splice(1, 0, { color: randomColor(), position: 50 }); } document.getElementById("angle").value = Math.floor(Math.random() * 360); renderColorStops(); updateGradient(); } document.getElementById("gradientType").addEventListener("change", updateGradient); document.getElementById("angle").addEventListener("input", updateGradient); init(); </script> </body> </html>