* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            background: #f5f5f5;
      font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;            padding-top: 44px;
        }

/* 顶部导航 */
        .top-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 44px;
            display: flex;
            align-items: center;
            padding: 0 16px;
            z-index: 100;    background-color: #ff69b4; /* 粉色导航栏 */
        }

        .back-btn {
            width: 24px;
            height: 24px;
            display: flex;margin-right:18px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: #fff; /* 白色图标 */
        }

        .nav-title {
            flex: 1;
            text-align: left;
            font-size: 17px;
            font-weight: 500;
            color: #fff; /* 白色标题 */
        }
.more-icon {
            width:47px;
            height:24px;
            color: #fff;
        }
    .top-nav a {
      color: white;
      text-decoration: none;
      margin-right: 20px;
      font-size: 16px;
      text-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    }

    .top-nav a.active {
      border-bottom: 2px solid white;
      font-weight: bold;
      padding-bottom: 3px;
      text-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
    }


        .empty-tip {
            text-align: center;
            padding: 30px;
            color: #666;
            font-size: 16px;
            display: none;
        }
        .empty-tip.active {
            display: block;
        }
        .grid-container {
            padding: 15px;
            display: none;
        }
        .top-grid {
            display: flex;
            gap: 12px;
            margin-bottom: 15px;
            height: calc((100vw - 45px) / 3 * 1.1);
        }
        .top-grid .grid-item {
            flex: 1;
            border: 2px solid #ffd700;
        }
        .bottom-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }
        .grid-item {
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 2px 6px rgba(0,0,0,0.08);
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }
        .bottom-grid .grid-item {
            aspect-ratio: 1/1;
        }
        .grid-item::after {
            content: "占领";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: #999;text-align:center;
            font-size: 14px;
        }
        .grid-item.occupied::after {
            display: none;
        }
        .avatar-link {
            display: block;
            width: 100%;
            height: 100%;
        }
        .avatar-link img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }
        .grid-item.occupied:hover img {
            transform: scale(1.05);
        }
        .loading {
            text-align: center;
            padding: 20px;
            color: #666;
            display: none;
        }
        .error-tip {
            text-align: center;
            padding: 20px;
            color: #ff4d4f;
            display: none;
        }