feat: 添加考试提醒功能，更新主题样式并优化配置

Author: MKStoler1024

exam/Scripts/examInfo.js

@@ -67,6 +67,7 @@ document.addEventListener("DOMContentLoaded", () => {
             let currentExam = null;
             let nextExam = null;
             let lastExam = null;
+            let isnotificated = false;
 
             data.examInfos.forEach(exam => {
                 const start = new Date(exam.start);
@@ -79,6 +80,7 @@ document.addEventListener("DOMContentLoaded", () => {
                 }
                 if (now > end && (!lastExam || end > new Date(lastExam.end))) {
                     lastExam = exam;
+                    isnotificated = false;
                 }
             });
 
@@ -97,6 +99,16 @@ document.addEventListener("DOMContentLoaded", () => {
                     remainingTimeElem.style.fontWeight = "bold";
                     statusElem.textContent = "状态: 即将结束";
                     statusElem.style.color = "red";
+                    
+                    // 在剩余15分钟时显示提醒
+                    if (isnotificated === false) {
+                        const overlay = document.getElementById('reminder-overlay');
+                        overlay.classList.add('show');
+                        setTimeout(() => {
+                            overlay.classList.remove('show');
+                        }, 5000);
+                        isnotificated = true;
+                    }
                 } else {
                     remainingTimeElem.textContent = `剩余时间: ${remainingTimeText}`;
                     remainingTimeElem.style.color = "#93b4f7";

exam/Scripts/settings.js

@@ -16,20 +16,17 @@ document.addEventListener("DOMContentLoaded", () => {
     let offsetTime = getCookie("offsetTime") || 0;
     let room = getCookie("room") || "";
     let zoomLevel = getCookie("zoomLevel") || 1;
-    let theme = getCookie("theme") || "dark";
     let currentTheme = getCookie("currentTheme") || "md3";
+    let theme = getCookie("theme") || "dark";
     let themeConfig = [];
 
     offsetTime = parseInt(offsetTime);
     roomElem.textContent = room;
 
-    if (theme === "light") {
-        themeLink.href = "Styles/light.css";
-        themeToggle.checked = true;
-    } else {
-        themeLink.href = "Styles/dark.css";
-        themeToggle.checked = false;
-    }
+    // 初始化主题
+    const currentThemePath = `Styles/${currentTheme}/${theme}.css`;
+    themeLink.href = currentThemePath;
+    themeToggle.checked = theme === "light";
 
     // 加载主题配置
     fetch('Styles/profile.json')
@@ -91,7 +88,7 @@ document.addEventListener("DOMContentLoaded", () => {
             setCookie("currentTheme", currentTheme, 365);
             roomElem.textContent = room;
             document.body.style.zoom = zoomLevel;
-            themeLink.href = theme === "light" ? "Styles/light.css" : "Styles/dark.css";
+            updateThemeLink();
             settingsModal.classList.add("fade-out");
             setTimeout(() => {
                 settingsModal.style.display = "none";

exam/Styles/ealg/dark.css

@@ -456,3 +456,52 @@ input:checked + .slider:before {
     color: #E6E1E5;
     margin-bottom: 8px;
 }
+
+.reminder-overlay {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background-color: rgba(0, 0, 0, 0.95);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    opacity: 0;
+    visibility: hidden;
+    transition: all 0.5s ease;
+    backdrop-filter: blur(8px);
+    z-index: 9999;
+}
+
+.reminder-overlay.show {
+    opacity: 1;
+    visibility: visible;
+}
+
+.reminder-content {
+    text-align: center;
+    animation: fadeIn 0.5s ease;
+}
+
+.reminder-title {
+    font-size: 5rem;
+    color: #FF453A;
+    margin-bottom: 2rem;
+}
+
+.reminder-subtitle {
+    font-size: 3rem;
+    color: #FFD60A;
+}
+
+@keyframes fadeIn {
+    from {
+        opacity: 0;
+        transform: translateY(-20px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}

exam/Styles/ealg/light.css

@@ -456,3 +456,52 @@ input:checked + .slider:before {
     color: #1C1B1F;
     margin-bottom: 8px;
 }
+
+.reminder-overlay {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background-color: rgba(255, 255, 255, 0.95);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    opacity: 0;
+    visibility: hidden;
+    transition: all 0.5s ease;
+    backdrop-filter: blur(8px);
+    z-index: 9999;
+}
+
+.reminder-overlay.show {
+    opacity: 1;
+    visibility: visible;
+}
+
+.reminder-content {
+    text-align: center;
+    animation: fadeIn 0.5s ease;
+}
+
+.reminder-title {
+    font-size: 5rem;
+    color: #FF3B30;
+    margin-bottom: 2rem;
+}
+
+.reminder-subtitle {
+    font-size: 3rem;
+    color: #FF9500;
+}
+
+@keyframes fadeIn {
+    from {
+        opacity: 0;
+        transform: translateY(-20px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}