修改主页跳转逻辑

static/css/style.css

@@ -690,12 +690,6 @@ audio {
     grid-template-columns: repeat(2, minmax(0, 1fr));
   }
 
-  .featured-list {
-    display: grid;
-    grid-template-columns: repeat(2, minmax(0, 1fr));
-    gap: 10px;
-  }
-
   .detail-cover-wrap {
     width: 96px;
   }

static/js/app.js

@@ -7,12 +7,15 @@ const state = {
   albums: [],
   currentView: "home",
   activeAlbumPath: "",
+  featuredAlbums: [],
+  featuredIndex: 0,
 };
 
 const audio = document.getElementById("audioPlayer");
 const progressBar = document.getElementById("progressBar");
 const audioCacheName = "musicweb-audio-cache-v1";
 let toastTimer = null;
+let featuredTimer = null;
 
 const iconMarkup = {
   play: '<svg viewBox="0 0 24 24" aria-hidden="true"><path d="M8 5v14l11-7-11-7z"/></svg>',
@@ -100,6 +103,8 @@ async function fetchLibrary() {
   const response = await fetch("/api/library");
   state.library = await response.json();
   state.albums = buildAlbums(state.library.tree);
+  state.featuredAlbums = buildFeaturedAlbums(state.albums);
+  state.featuredIndex = 0;
 
   document.getElementById("albumCount").textContent = state.albums.length;
   document.getElementById("trackCount").textContent = state.library.all_tracks.length;
@@ -116,22 +121,27 @@ async function fetchLibrary() {
     state.currentQueue = [...state.library.all_tracks];
     renderQueue();
   }
+
+  startFeaturedCarousel();
 }
 
 function buildAlbums(tree) {
   const albums = [];
 
-  function visit(node) {
+  function visit(node, ancestors = []) {
     const tracks = flattenNodeTracks(node);
-    if (node.path && tracks.length) {
+    const childAlbums = node.folders.filter((child) => flattenNodeTracks(child).length);
+    if (node.path && tracks.length && !childAlbums.length) {
+      const nameParts = [...ancestors, node.name].filter(Boolean);
       albums.push({
-        name: node.name || "未命名专辑",
+        name: nameParts.join("") || "未命名专辑",
         path: node.path,
         cover: node.cover || null,
         tracks,
       });
     }
-    node.folders.forEach(visit);
+    const nextAncestors = node.path ? [...ancestors, node.name] : ancestors;
+    node.folders.forEach((child) => visit(child, nextAncestors));
   }
 
   visit(tree);
@@ -191,11 +201,10 @@ function buildCoverMarkup(album, className) {
 }
 
 function renderHome() {
-  const featured = [...state.albums].sort((a, b) => b.tracks.length - a.tracks.length).slice(0, 2);
   const latestTracks = [...state.library.all_tracks].slice(-8).reverse();
   const rankingAlbums = [...state.albums].sort((a, b) => b.tracks.length - a.tracks.length).slice(0, 6);
 
-  renderFeaturedAlbums(featured);
+  renderFeaturedAlbums(state.featuredAlbums);
   renderAlbumGrid(state.albums);
   renderLatestList(latestTracks);
   renderRankingList(rankingAlbums);
@@ -224,28 +233,46 @@ function renderFeaturedAlbums(items) {
     return;
   }
 
-  items.forEach((album) => {
-    const card = document.createElement("article");
-    card.className = "feature-card";
-    card.innerHTML = `
-      <div class="feature-card-inner">
-        ${buildCoverMarkup(album, "feature-cover")}
-        <div class="feature-body">
-          <div>
-            <h3>${album.name}</h3>
-            <p class="meta-row">${album.tracks.length} 首歌曲 · ${album.path}</p>
-          </div>
-          <p class="subtext">点击进入详细目录页，查看歌曲列表并播放。</p>
-          <div class="card-actions">
-            <button class="primary-btn" data-action="detail">进入目录</button>
-            <button class="secondary-btn" data-action="play">播放</button>
-          </div>
+  const album = items[state.featuredIndex] || items[0];
+  container.appendChild(buildFeaturedAlbumCard(album));
+}
+
+function buildFeaturedAlbums(albums) {
+  const sorted = [...albums].sort((a, b) => b.tracks.length - a.tracks.length);
+  if (sorted.length <= 5) return sorted;
+  return sorted.slice(0, 8);
+}
+
+function startFeaturedCarousel() {
+  if (featuredTimer) clearInterval(featuredTimer);
+  if (state.featuredAlbums.length <= 1) return;
+  featuredTimer = setInterval(() => {
+    state.featuredIndex = (state.featuredIndex + 1) % state.featuredAlbums.length;
+    renderFeaturedAlbums(state.featuredAlbums);
+  }, 3000);
+}
+
+function buildFeaturedAlbumCard(album) {
+  const card = document.createElement("article");
+  card.className = "feature-card";
+  card.innerHTML = `
+    <div class="feature-card-inner">
+      ${buildCoverMarkup(album, "feature-cover")}
+      <div class="feature-body">
+        <div>
+          <h3>${album.name}</h3>
+          <p class="meta-row">${album.tracks.length} 首歌曲 · ${album.path}</p>
+        </div>
+        <p class="subtext">点击进入详细目录页，查看歌曲列表并播放。</p>
+        <div class="card-actions">
+          <button class="primary-btn" data-action="detail">进入目录</button>
+          <button class="secondary-btn" data-action="play">播放</button>
         </div>
       </div>
-    `;
-    buildAlbumCardActions(card, album);
-    container.appendChild(card);
-  });
+    </div>
+  `;
+  buildAlbumCardActions(card, album);
+  return card;
 }
 
 function renderAlbumGrid(items) {
@@ -565,6 +592,32 @@ function updateDock(track) {
   }
 }
 
+function clearCurrentTrack() {
+  audio.pause();
+  audio.removeAttribute("src");
+  audio.load();
+  state.currentTrackIndex = -1;
+  state.activeAlbumPath = "";
+  document.getElementById("nowTitle").textContent = "选择一个专辑目录开始播放";
+  document.getElementById("nowMeta").textContent = "点击专辑进入详情页，或直接在卡片上快速播放。";
+  document.getElementById("dockTitle").textContent = "未开始播放";
+  document.getElementById("dockPath").textContent = "点击专辑或歌曲开始播放";
+  document.getElementById("currentTimeLabel").textContent = "00:00";
+  document.getElementById("durationLabel").textContent = "00:00";
+  progressBar.value = 0;
+
+  const coverImg = document.getElementById("dockCoverImage");
+  const fallback = document.getElementById("dockCoverFallback");
+  coverImg.removeAttribute("src");
+  coverImg.classList.add("is-hidden");
+  fallback.classList.remove("is-hidden");
+  fallback.textContent = "乐";
+
+  renderQueue();
+  syncPlayButton();
+  savePlaybackState();
+}
+
 function syncPlayButton() {
   document.getElementById("playToggleBtn").classList.toggle("is-playing", !audio.paused && !audio.ended);
   document.querySelector(".icon-play").classList.toggle("is-hidden", !audio.paused && !audio.ended);
@@ -680,6 +733,7 @@ document.getElementById("closeAlbumMenuBtn").onclick = () => toggleAlbumMenu(fal
 document.getElementById("albumMenuHomeBtn").onclick = () => {
   toggleAlbumMenu(false);
   showView("home");
+  clearCurrentTrack();
   scrollToPageTop();
 };
 document.getElementById("albumMenuOverlay").onclick = (event) => {