* {
            -webkit-touch-callout: none;
            -webkit-user-select: none;
            user-select: none;
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            padding: 20px;
            min-height: 100vh;
            color: rgba(255, 255, 255, 0.9);
        }

        .page-container {
            max-width: 300px;
            margin: 0 auto;
        }

        .section {
            background: rgba(0, 0, 0, 0.5);
            border-radius: 16px;
            border: 2px solid rgba(0, 0, 0, 1);
            position: relative;
            display: flex;
            flex-direction: column;
            height: auto;
            /* 自动高度 */
            max-height: 500px;
            min-height: 500px;
            /* 最大高度，超出滚动 */
            padding: 20px 25px 0 25px;
        }

        .section#mainSection,
        .section#mapListSection,
        .section#mapSubListSection,
        .section#positionListSection,
        .section#friendListSection {
            display: none;
        }

        .section#mainSection.active,
        .section#mapListSection.active,
        .section#mapSubListSection.active,
        .section#positionListSection.active,
        .section#friendListSection.active {
            display: flex;
        }


        .header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            gap: 15px;
            position: sticky;
            top: 0;
            padding-top: 10px;
            /* padding-bottom: 10px; */
            z-index: 10;
        }

        .avatar {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            object-fit: cover;
        }

        .close-button {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: transparent;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            color: rgba(255, 255, 255, 0.9);
        }

        .close-button i {
            font-size: 24px;
        }

        .close-button:hover {
            background: rgba(255, 255, 255, 0.2);
            color: rgba(255, 255, 255, 0.9);
        }

        .back-button {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: transparent;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            color: rgba(255, 255, 255, 0.9);
        }

        .back-button i {
            font-size: 24px;
        }

        .back-button:hover {
            background: rgba(255, 255, 255, 0.2);
            color: rgba(255, 255, 255, 0.9);
        }

        h2 {
            margin: 0;
            font-size: 20px;
            font-weight: 600;
            background: linear-gradient(90deg, #fff, #e0e0e0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            flex: 1;
            text-align: center;
        }

        .container {
            max-height: 100%;
            min-height: 100%;
            overflow-y: auto;
            /* 隐藏滚动条 */
            scrollbar-width: none;
            /* Firefox */
            -ms-overflow-style: none;
            /* IE and Edge */
            padding-bottom: 25px;
        }

        .container::-webkit-scrollbar {
            display: none;
        }

        .button {
            background: rgba(0, 0, 0, 0.6);
            color: rgba(255, 255, 255, 0.9);
            border: none;
            border-radius: 14px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 15px;
            width: 100%;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .button:hover {
            background: #000;
            transform: translateY(-1px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .button:active {
            transform: translateY(2px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
            background: #000;
        }

        #positionListTitle {
            max-width: 75%;
            /* 预留右侧返回按钮的空间 */
            text-align: left;
            margin-right: auto;
            /* 确保标题靠左 */
            padding-left: 10px;
            /* 左侧留一些空间 */
            line-height: 1.2;
            /* 适当的行距 */
        }