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</nav> <div class="container"> <h1>🌡�?压力换算�?/h1> <div class="card"> <div class="input-group"> <label>输入数�?/label> <label for="value" class="visually-hidden">输入数�?/label> <input type="number" id="value" value="1" min="0" step="any" placeholder="输入数�? /> </div> <div class="input-group"> <label>选择单位</label> <select id="unit"> <option value="pa">帕斯�?(Pa)</option> <option value="kpa">千帕 (kPa)</option> <option value="mpa">兆帕 (MPa)</option> <option value="bar">�?(bar)</option> <option value="atm" selected>标准大气�?(atm)</option> <option value="psi">�?平方英寸 (psi)</option> <option value="mmhg">毫米汞柱 (mmHg)</option> <option value="torr">�?(Torr)</option> </select> </div> <div class="results" id="results"></div> </div> </div> <script> const toPa = { pa: 1, kpa: 1000, mpa: 1000000, bar: 100000, atm: 101325, psi: 6894.76, mmhg: 133.322, torr: 133.322 }; const labels = { pa: "帕斯�?(Pa)", kpa: "千帕 (kPa)", mpa: "兆帕 (MPa)", bar: "�?(bar)", atm: "标准大气�?(atm)", psi: "psi", mmhg: "毫米汞柱 (mmHg)", torr: "�?(Torr)" }; function convert() { const value = parseFloat(document.getElementById("value").value) || 0; const unit = document.getElementById("unit").value; const pa = value * toPa[unit]; let html = ""; for (const [key, factor] of Object.entries(toPa)) { const result = pa / factor; const formatted = result < 0.0001 ? result.toExponential(4) : result > 999999 ? result.toExponential(4) : result.toLocaleString("zh-CN", { maximumFractionDigits: 6 }); html += `<div class="result-item"><span class="result-label">${labels[key]}</span><span class="result-value">${formatted}</span></div>`; } document.getElementById("results").innerHTML = html; } document.getElementById("value").addEventListener("input", convert); document.getElementById("unit").addEventListener("change", convert); convert(); // Theme toggle function toggleTheme() { const html = document.documentElement; const currentTheme = html.getAttribute("data-theme"); const newTheme = currentTheme === "light" ? 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