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<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>方差与标准差计算器</title> <style> * { box-sizing: border-box; margin: 0; padding: 0; } :root { --text: #2c2620; --text-soft: #6b6258; --text-faint: #a89e93; --line: rgba(44, 38, 32, 0.08); --line-medium: rgba(44, 38, 32, 0.15); --glass: rgba(255, 252, 247, 0.72); --glass-deep: rgba(255, 252, 247, 0.88); } body { font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: radial-gradient(circle at 20% 20%, rgba(255, 220, 180, 0.4) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(220, 200, 240, 0.4) 0%, transparent 50%), radial-gradient(circle at 50% 50%, rgba(240, 220, 200, 0.3) 0%, transparent 70%), linear-gradient(135deg, #faf6f0 0%, #f5ede0 100%); background-attachment: fixed; min-height: 100vh; padding: 30px 20px; color: var(--text); line-height: 1.6; } .container { max-width: 1000px; margin: 0 auto; background: var(--glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-radius: 28px; border: 1px solid rgba(255, 255, 255, 0.6); box-shadow: 0 30px 80px rgba(80, 60, 40, 0.12), 0 10px 30px rgba(80, 60, 40, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.8); overflow: hidden; animation: fadeIn 0.8s ease; } @keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } } @keyframes popIn { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: scale(1); } } .header { padding: 50px 40px 40px; text-align: center; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, rgba(255,255,255,0.4) 0%, transparent 100%); } .header h1 { font-size: 32px; font-weight: 700; color: var(--text); margin-bottom: 6px; letter-spacing: 1px; } .header h1 .emoji { display: inline-block; font-size: 34px; margin-right: 8px; animation: float 3s ease-in-out infinite; } @keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } } .header .subtitle { color: var(--text-soft); font-size: 12px; letter-spacing: 3px; margin-bottom: 26px; } .formulas { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; } .formula-card { background: rgba(255, 255, 255, 0.5); backdrop-filter: blur(10px); padding: 12px 20px; border-radius: 12px; font-family: "Cambria Math", "Georgia", serif; font-size: 15px; color: var(--text); border: 1px solid var(--line); transition: all 0.3s; } .formula-card:hover { background: rgba(255, 255, 255, 0.7); transform: translateY(-2px); } .formula-card .tag { display: inline-block; background: rgba(44, 38, 32, 0.08); color: var(--text-soft); padding: 2px 9px; border-radius: 7px; font-size: 11px; margin-right: 8px; font-family: sans-serif; letter-spacing: 1px; } .content { padding: 35px; } .input-section { background: var(--glass-deep); padding: 24px; border-radius: 18px; border: 1px solid var(--line); margin-bottom: 25px; } .input-label { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; font-weight: 600; color: var(--text); font-size: 15px; } .input-label::before { content: ''; width: 4px; height: 16px; background: linear-gradient(180deg, #c9a876, #a08354); border-radius: 2px; } textarea { width: 100%; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; font-size: 15px; font-family: "JetBrains Mono", "Consolas", monospace; resize: vertical; min-height: 90px; transition: all 0.3s; background: rgba(255, 255, 255, 0.6); color: var(--text); } textarea:focus { outline: none; border-color: rgba(180, 140, 90, 0.4); background: rgba(255, 255, 255, 0.9); box-shadow: 0 0 0 4px rgba(180, 140, 90, 0.08); } .options-row { display: flex; align-items: center; gap: 14px; margin-top: 14px; padding: 12px 16px; background: rgba(255, 255, 255, 0.4); border-radius: 10px; border: 1px solid var(--line); flex-wrap: wrap; } .option-item { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-soft); } .option-item input[type="number"] { width: 70px; padding: 6px 10px; border: 1px solid var(--line-medium); border-radius: 8px; font-size: 14px; font-family: "JetBrains Mono", monospace; background: rgba(255, 255, 255, 0.8); color: var(--text); text-align: center; transition: all 0.3s; } .option-item input[type="number"]:focus { outline: none; border-color: rgba(180, 140, 90, 0.5); box-shadow: 0 0 0 3px rgba(180, 140, 90, 0.1); } .option-hint { color: var(--text-faint); font-size: 12px; margin-left: auto; } .button-group { display: flex; gap: 10px; margin-top: 14px; } .btn { padding: 11px 26px; border: none; border-radius: 10px; font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.3s; display: inline-flex; align-items: center; gap: 6px; color: #fff; } .btn-calc { background: linear-gradient(135deg, #8b6f47 0%, #6b5235 100%); box-shadow: 0 4px 15px rgba(107, 82, 53, 0.3); } .btn-calc:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(107, 82, 53, 0.4); } .btn-clear { background: linear-gradient(135deg, #b87a6b 0%, #8a5247 100%); box-shadow: 0 4px 15px rgba(138, 82, 71, 0.25); } .btn-clear:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(138, 82, 71, 0.35); } .section-title { display: flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 700; color: var(--text); margin: 25px 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--line); letter-spacing: 0.5px; } .section-title::before { content: ''; width: 4px; height: 18px; background: linear-gradient(180deg, #c9a876, #a08354); border-radius: 2px; } .data-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; } .data-item { background: rgba(255, 255, 255, 0.6); border: 1px solid var(--line); padding: 7px 13px; border-radius: 10px; font-family: "JetBrains Mono", monospace; font-size: 13px; transition: all 0.2s; } .data-item:hover { background: rgba(255, 255, 255,

  • 情报分类：综合情报
  • 分类依据：内容未命中明确的垂直分类规则，归入综合情报
  • 信息来源：服务器 / LINUX DO - 最新话题
  • 发布时间：2026/9/21 11:52:50