Orienteering
/
mobile_h5


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover">
    <title>月挑战赛</title>
    <!-- 本地调试保留 mock_flutter.js，正式接入时移除 -->
    <!-- <script src="./mock_flutter.js"></script> -->
    <script src="./bridge.js"></script>
    <script src="./api.js"></script>
    <script src="./js/multiavatar.min.js"></script>
    <link href="./css/all.min.css" rel="stylesheet">
    <style>
        :root {
            --primary-purple: #593259; 
            --primary-orange: #fdcb6e;
            --primary-red: #d63031;
            --text-dark: #2d3436;
            --footer-bg: #483055;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            -webkit-tap-highlight-color: transparent;
            user-select: none;
        }

        body {
            background: #f5f6fa;
            width: 100%;
            height: 100vh;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        /* 顶部 Header */
        .header-area {
            height: 280px; 
            background: linear-gradient(to bottom, rgba(72, 48, 85, 0.7), rgba(45, 52, 54, 0.95)), 
                        url('./bg.jpg') center/cover;
            padding: 20px;
            padding-top: max(20px, env(safe-area-inset-top));
            color: white;
            border-bottom-left-radius: 30px; border-bottom-right-radius: 30px;
            position: relative; flex-shrink: 0;
            z-index: 1; 
        }

        .nav-bar { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }
        .icon-btn {
            width: 36px; height: 36px; background: rgba(255,255,255,0.2); backdrop-filter: blur(5px);
            border-radius: 50%; display: flex; align-items: center; justify-content: center;
            cursor: pointer; border: 1px solid rgba(255,255,255,0.3);
        }
        .month-select { font-size: 18px; font-weight: bold; display: flex; align-items: center; gap: 6px; cursor: pointer; text-shadow: 0 2px 4px rgba(0,0,0,0.5); }

        /* 仪表盘卡片 */
        .dashboard-card {
            margin-top: 25px;
            background: rgba(0, 0, 0, 0.4); 
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 15px 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 8px 20px rgba(0,0,0,0.2);
            position: relative;
            z-index: 5; 
        }

        .dash-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
        .dash-title { font-size: 16px; font-weight: bold; display: flex; align-items: center; gap: 8px; color: #fff; }
        .dash-icon { color: var(--primary-orange); }
        .dash-badge { background: var(--primary-orange); color: #2d3436; font-size: 12px; font-weight: 800; padding: 4px 12px; border-radius: 12px; box-shadow: 0 2px 5px rgba(0,0,0,0.2); transition: all 0.3s;}
        
        .dash-badge.completed { background: linear-gradient(135deg, #55efc4, #00b894); color: white; }

        .trophy-track-container { position: relative; display: flex; justify-content: space-between; align-items: center; padding: 0 10px; }
        
        .track-line-bg { position: absolute; top: 50%; left: 10px; right: 10px; height: 4px; background: rgba(255,255,255,0.2); border-radius: 2px; transform: translateY(-50%); z-index: 0; }
        
        .track-line-active { 
            position: absolute; top: 50%; left: 10px; 
            width: 25%; 
            height: 4px; background: var(--primary-orange); border-radius: 2px; transform: translateY(-50%); z-index: 0; 
            box-shadow: 0 0 8px rgba(253, 203, 110, 0.6); 
            transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        .trophy-item { 
            position: relative; z-index: 1; width: 32px; height: 32px; 
            background: #2d3436; border: 2px solid rgba(255,255,255,0.3); border-radius: 50%; 
            display: flex; justify-content: center; align-items: center; 
            color: #636e72; font-size: 12px; 
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
        }
        
        .trophy-item.active { 
            background: #fff; border-color: var(--primary-orange); color: var(--primary-orange); 
            transform: scale(1.15); box-shadow: 0 0 10px rgba(253, 203, 110, 0.5); 
        }

        .trophy-item.final { width: 40px; height: 40px; border-color: rgba(255,255,255,0.5); font-size: 16px; }
        
        .trophy-item.final.active { 
            background: linear-gradient(135deg, #f1c40f, #e67e22); 
            color: white; border: none; 
            transform: scale(1.3); 
            box-shadow: 0 0 20px rgba(241, 196, 15, 0.6);
            animation: pulseTrophy 2s infinite;
        }

        @keyframes pulseTrophy {
            0% { box-shadow: 0 0 0 0 rgba(241, 196, 15, 0.7); }
            70% { box-shadow: 0 0 0 10px rgba(241, 196, 15, 0); }
            100% { box-shadow: 0 0 0 0 rgba(241, 196, 15, 0); }
        }

        /* 领奖台 */
        .podium-wrap {
            height: 140px;
            display: flex; justify-content: center; align-items: flex-end; 
            margin-top: -60px; 
            position: relative; 
            z-index: 10; 
            padding-bottom: 0px; 
        }
        .p-col { display: flex; flex-direction: column; align-items: center; width: 30%; position: relative;}
        .p-2 { z-index: 2; margin-right: -15px; }
        .p-1 { z-index: 3; } 
        .p-3 { z-index: 1; margin-left: -15px; }
        
        .p-img { width: 50px; height: 50px; border-radius: 50%; border: 3px solid white; background: #eee; margin-bottom: -10px; position: relative; z-index: 2; overflow: hidden; box-shadow: 0 4px 6px rgba(0,0,0,0.2);}
        .p-1 .p-img { width: 70px; height: 70px; border-color: #f1c40f; margin-bottom: -15px;}
        .p-img img { width: 100%; height: 100%; object-fit: cover; }

        .crown {
            position: absolute; top: -28px; color: #f1c40f; font-size: 32px;
            filter: drop-shadow(0 2px 4px rgba(0,0,0,0.4));
            animation: crownFloat 2s ease-in-out infinite;
            z-index: 20; 
        }
        @keyframes crownFloat {
            0%, 100% { transform: translateY(0) rotate(-5deg); }
            50% { transform: translateY(-8px) rotate(5deg); }
        }

        .p-box { width: 100%; text-align: center; padding-top: 15px; border-radius: 8px 8px 0 0; color: white; box-shadow: 0 5px 15px rgba(0,0,0,0.2); }
        .p-1 .p-box { height: 90px; background: linear-gradient(180deg, #f1c40f, #f39c12); padding-top: 20px; }
        .p-2 .p-box { height: 70px; background: linear-gradient(180deg, #bdc3c7, #95a5a6); }
        .p-3 .p-box { height: 55px; background: linear-gradient(180deg, #e67e22, #d35400); }
        .p-name { font-size: 12px; margin-bottom: 2px; text-shadow: 0 1px 1px rgba(0,0,0,0.3); white-space: nowrap; overflow: hidden; max-width: 80px; margin: 0 auto; text-overflow: ellipsis;}
        .p-score { font-size: 14px; font-weight: bold; }

        /* 列表容器 */
        .list-container {
            flex: 1; background: white; border-radius: 24px 24px 0 0;
            padding: 0 20px 120px 20px; 
            overflow-y: auto; 
            margin-top: -10px;
            box-shadow: 0 -5px 20px rgba(0,0,0,0.05);
            position: relative; z-index: 8; 
            -webkit-overflow-scrolling: touch; 
        }
        
        .tabs { 
            display: flex; justify-content: center; gap: 15px; 
            position: sticky; top: 0; background: white; z-index: 9;
            padding-top: 20px; padding-bottom: 10px;
        }
        
        .tab { padding: 8px 20px; border-radius: 20px; font-size: 14px; color: #636e72; background: #f1f2f6; cursor: pointer; transition: 0.2s; }
        .tab.active { background: var(--text-dark); color: #fdcb6e; font-weight: bold; }
        
        .list-item { display: flex; align-items: center; padding: 12px 0; border-bottom: 1px solid #f1f2f6; }
        .rank { width: 30px; text-align: center; font-weight: bold; color: #b2bec3; font-style: italic;}
        .avatar { width: 40px; height: 40px; border-radius: 50%; margin: 0 12px; background: #eee; overflow: hidden;}
        .avatar img { width: 100%; height: 100%; object-fit: cover;}
        .info { flex: 1; }
        .name { font-size: 14px; color: #2d3436; font-weight: bold; }
        .team { font-size: 11px; color: #636e72; display: flex; align-items: center; gap: 4px; }
        .score { font-size: 16px; font-weight: bold; color: var(--primary-purple); }

        /* 底部我的排名 */
        .my-rank-bar {
            position: fixed; bottom: 0; left: 0; width: 100%;
            /* 移除固定高度，改用 padding 撑开，更灵活且紧凑 */
            background: var(--footer-bg); color: white;
            display: flex; align-items: center; 
            padding: 0 20px;
            
            /* 上下留出 8px 间距 */
            padding-top: 8px;
            /* 底部间距 = 8px + constant(safe-area-inset-bottom) 用于兼容旧版 iOS */
            padding-bottom: calc(8px + constant(safe-area-inset-bottom));
            /* 底部间距 = 8px + 安全区高度 */
            padding-bottom: calc(8px + env(safe-area-inset-bottom));
            
            box-sizing: border-box;
            
            border-radius: 24px 24px 0 0; box-shadow: 0 -5px 20px rgba(0,0,0,0.2); z-index: 99; 
        }
        .my-rank-bar .rank { font-size: 16px; }
        .my-rank-bar .avatar { width: 34px; height: 34px; border-width: 2px; }
        .my-rank-bar .name { font-size: 14px; }
        .my-rank-bar .team { font-size: 10px; }
        .my-score { font-size: 18px; font-weight: bold; color: #ffffff !important; margin-left: auto; }

        /* 演示按钮样式 (模态框内) */
        .demo-section {
            margin: 20px 0 0 0;
            border-top: 1px dashed #ddd;
            padding-top: 15px;
        }
        .demo-label { font-size: 12px; color: #999; margin-bottom: 10px; }
        .demo-controls {
            display: flex; justify-content: center; gap: 10px;
        }
        .demo-btn {
            background: #eee; border: none; padding: 6px 12px; border-radius: 8px; font-size: 12px; color: #555; cursor: pointer;
        }
        .demo-btn:active { background: #ddd; color: #000; }

        /* 下拉菜单 & 模态框 */
        .dropdown { position: absolute; top: 70px; left: 50%; transform: translateX(-50%); width: 200px; background: white; border-radius: 12px; box-shadow: 0 10px 50px rgba(0,0,0,0.4); display: none; flex-direction: column; overflow: hidden; z-index: 200; }
        .dropdown.show { display: flex; animation: dropIn 0.2s ease-out; }
        .dd-item { padding: 12px; color: #636e72; font-size: 14px; text-align: center; border-bottom: 1px solid #f1f2f6; cursor: pointer; }
        .dd-active { color: var(--primary-purple); font-weight: bold; background: #f9f0ff; }
        @keyframes dropIn { from{opacity:0; transform:translateX(-50%) translateY(-10px);} to{opacity:1; transform:translateX(-50%) translateY(0);} }

        .modal-mask { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); z-index: 999; display: flex; justify-content: center; align-items: center; opacity: 0; pointer-events: none; transition: opacity 0.3s; }
        .modal-mask.show { opacity: 1; pointer-events: auto; }
        .modal-body { width: 80%; max-width: 320px; background: white; border-radius: 24px; padding: 25px; text-align: center; transform: scale(0.8); transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); border: 4px solid var(--primary-purple); box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
        .modal-mask.show .modal-body { transform: scale(1); }
        .m-close { background: var(--primary-purple); color: white; padding: 10px 25px; border-radius: 20px; border: none; font-weight: bold; cursor: pointer; margin-top: 15px; }
        .rule-box { text-align: left; background: #f9f4ff; border: 1px solid #e3d7ff; border-radius: 12px; padding: 12px; color: #4b3a67; font-size: 13px; line-height: 1.6; box-shadow: inset 0 1px 0 rgba(255,255,255,0.7); }
        .rule-item { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 8px; }
        .rule-item:last-child { margin-bottom: 0; }
        .rule-item i { color: var(--primary-orange); margin-top: 2px; }

        .my-rank-bar {
            position: fixed; bottom: 0; left: 0; width: 100%;
            background: var(--footer-bg); color: white;
            display: flex; align-items: center; 
            padding: 0 20px;
            
            /* Android / 默认: 稍大一点的间距以防贴边 */
            padding-top: 6px;
            padding-bottom: 10px;
            
            box-sizing: border-box;
            border-radius: 24px 24px 0 0; box-shadow: 0 -5px 20px rgba(0,0,0,0.2); z-index: 99; 
        }

        /* iOS 专属优化: 极致压缩高度 */
        @supports (-webkit-touch-callout: none) {
            .my-rank-bar {
                /* 顶部仅留 4px */
                padding-top: 4px !important;
                /* 底部严格贴合安全区，不加任何额外间距 */
                padding-bottom: env(safe-area-inset-bottom) !important; 
            }
        }

        .my-rank-bar .rank { font-size: 16px; }
        /* 稍微缩小底部头像以节省高度 */
        .my-rank-bar .avatar { width: 30px; height: 30px; border-width: 2px; }
        .my-rank-bar .name { font-size: 14px; }
            position: fixed; inset: 0; background: rgba(0,0,0,0.35);
            display: none; align-items: center; justify-content: center;
            z-index: 300; color: #fff; font-size: 14px; backdrop-filter: blur(2px);
        }
        .loading-mask.show { display: none !important; }
        .loading-spinner {
            border: 4px solid rgba(255,255,255,0.3);
            border-top-color: #fdcb6e;
            border-radius: 50%;
            width: 36px; height: 36px;
            animation: spin 1s linear infinite;
            margin-right: 10px;
        }
        @keyframes spin { to { transform: rotate(360deg); } }
    </style>
</head>
<body>

    <!-- 头部 -->
    <div class="header-area">
        <div class="nav-bar">
            <div class="icon-btn" onclick="handleBack()"><i class="fa-solid fa-chevron-left" style="color:white"></i></div>
            <div class="month-select" onclick="toggleDropdown()">
                <span id="currentMonthText">11月挑战赛</span> <i class="fa-solid fa-caret-down"></i>
            </div>
            <div class="icon-btn" onclick="openModal()"><i class="fa-solid fa-question" style="color:white"></i></div>
        </div>

        <!-- 仪表盘卡片 -->
        <div class="dashboard-card">
            <div class="dash-header">
                <div class="dash-title">
                    <i class="fa-solid fa-medal dash-icon"></i> 定向达人
                </div>
                <div class="dash-badge" id="dashBadge">挑战 1 / 4</div>
            </div>

            <div class="trophy-track-container">
                <div class="track-line-bg"></div>
                <div class="track-line-active" id="progressLine"></div>
                
                <!-- 图标1 -->
                <div class="trophy-item active" id="t1"><i class="fa-solid fa-check"></i></div>
                <!-- 图标2 -->
                <div class="trophy-item" id="t2"><i class="fa-solid fa-lock"></i></div>
                <!-- 图标3 -->
                <div class="trophy-item" id="t3"><i class="fa-solid fa-lock"></i></div>
                <!-- 图标4 (Final) -->
                <div class="trophy-item final" id="t4"><i class="fa-solid fa-trophy"></i></div>
            </div>
        </div>
    </div>

    <!-- 下拉菜单 -->
    <div class="dropdown" id="dropdown"></div>

    <!-- 领奖台 -->
    <div class="podium-wrap" id="podiumWrap"></div>

    <!-- 列表区 -->
    <div class="list-container">
        <div class="tabs">
            <div class="tab active" onclick="switchTab('score', this)">积分排行</div>
            <div class="tab" onclick="switchTab('venue', this)">场地排行</div>
        </div>
        
        <div id="rankList"></div>
    </div>

    <!-- 底部我的排名 -->
    <div class="my-rank-bar">
        <div class="rank" id="myRankNum">--</div>
        <div class="avatar" id="myAvatar" style="border:2px solid #fdcb6e; overflow:hidden;"></div>
        <div class="info"><div class="name" id="myName" style="color:white">我</div><div class="team" id="myTeam" style="color:#b2bec3">正在加载...</div></div>
        <div class="my-score" id="myScoreValue">--</div>
    </div>

    <!-- 模态框 -->
    <div class="modal-mask" id="infoModal">
        <div class="modal-body">
                        <h3 style="color:#593259; margin-bottom:15px;">📜 规则说明</h3>
            <div id="ruleContent" class="rule-box">
                <div class="rule-item"><i class="fa-solid fa-bullseye"></i><div><strong>积分规则：</strong> 在指定公园找到打卡点，耗时越短积分越高。</div></div>
                <div class="rule-item"><i class="fa-solid fa-map-location-dot"></i><div><strong>场地排行：</strong> 按解锁的公园场地数量排名。</div></div>
                <div class="rule-item"><i class="fa-solid fa-trophy"></i><div><strong>奖杯获取：</strong> 完成4次有效挑战点亮全部奖杯。</div></div>
            </div>

            <!-- 演示功能区 -->
            <div class="demo-section">
                <div class="demo-label">✨ 功能演示</div>
                <div class="demo-controls">
                    <button class="demo-btn" onclick="demoProgress(1);closeModal()">1/4</button>
                    <button class="demo-btn" onclick="demoProgress(3);closeModal()">3/4</button>
                    <button class="demo-btn" onclick="demoProgress(4);closeModal()">4/4</button>
                </div>
            </div>

            <button class="m-close" onclick="closeModal()">知道了</button>
        </div>
    </div>

    <!-- 加载中遮罩 -->
    <div class="loading-mask" id="loadingMask" style="display: none !important;">
        <div class="loading-spinner"></div>
        <div>数据加载中...</div>
    </div>

    <script>
        const dropdown = document.getElementById('dropdown');
        const rankListEl = document.getElementById('rankList');
        const trackLine = document.getElementById('progressLine');
        const podiumWrap = document.getElementById('podiumWrap');
        const ruleContent = document.getElementById('ruleContent');
        const loadingMask = document.getElementById('loadingMask');
        const state = {
            activeTab: 'score',
            scoreList: [],
            scoreListRendered: null,
            venueList: [],
            venueListRendered: null,
            months: [],
            currentYM: null,
            currentMonthData: null,
            allMonthsData: null
        };

        // Logger Utility
        const Logger = {
            _isDev: false, // Will be set by initPage based on useMock

            init: function(isDev) {
                this._isDev = isDev;
            },

            log: function() {
                if (this._isDev) {
                    console.log.apply(console, arguments);
                }
            },

            warn: function() {
                if (this._isDev) {
                    console.warn.apply(console, arguments);
                }
            },

            error: function() {
                // Always log errors, regardless of dev mode
                console.error.apply(console, arguments);
            }
        };

        function getQuery(name) {
            const params = new URLSearchParams(window.location.search);
            return params.get(name);
        }

        function getYearMonth() {
            const now = new Date();
            const year = parseInt(getQuery('year'), 10) || now.getFullYear();
            const month = parseInt(getQuery('month'), 10) || (now.getMonth() + 1);
            return { year: year, month: month };
        }
        
        function getRecentMonths(count) {
            const ym = getYearMonth();
            const list = [];
            let y = ym.year;
            let m = ym.month;
            for (let i = 0; i < (count || 3); i++) {
                list.push({ year: y, month: m });
                m -= 1;
                if (m === 0) { m = 12; y -= 1; }
            }
            return list;
        }

        function handleBack() {
            if (window.Bridge && Bridge.toHome) Bridge.toHome();
            else window.history.back(); // Fallback for web environment
        }

        function openModal() { document.getElementById('infoModal').classList.add('show'); }
        function closeModal() { document.getElementById('infoModal').classList.remove('show'); }
        function toggleDropdown() { dropdown.style.display = (dropdown.style.display === 'flex') ? 'none' : 'flex'; }

        function setLoading(isLoading) {
            rankListEl.style.opacity = isLoading ? '0.4' : '1';
            loadingMask.classList.toggle('show', isLoading);
        }

        function buildAvatar(name, salt) {
            // Use local Multiavatar library (Pure JS, no external requests)
            // It generates high-quality SVG avatars
            const seedBase = name || 'user';
            const seed = seedBase + (salt || '');
            
            // multiavatar(seed) returns an SVG string
            const svgCode = multiavatar(seed);
            
            // We need to wrap it in a container or return it as a data URI or direct HTML
            // Since the existing code expects an <img> tag or innerHTML, putting SVG directly is best for crispness.
            // However, the existing styling puts it inside a small circle div.
            // Multiavatar SVG is square, so we rely on parent CSS (overflow: hidden) to clip it to a circle.
            return svgCode;
        }

        function setProgress(real, target) {
            const badge = document.getElementById('dashBadge');
            const t1 = document.getElementById('t1');
            const t2 = document.getElementById('t2');
            const t3 = document.getElementById('t3');
            const t4 = document.getElementById('t4');
            const safeReal = Math.max(real || 0, 0);
            const safeTarget = target && target > 0 ? target : 4;
            const ratio = Math.min(safeReal / safeTarget, 1);
            const percent = Math.max(0, Math.min(1, ratio)) * 100;
            trackLine.style.width = percent + '%';
            const textReal = safeReal >= safeTarget ? safeTarget : safeReal;
            badge.innerText = safeReal >= safeTarget ? '挑战成功' : `挑战 ${textReal} / ${safeTarget}`;
            badge.classList.toggle('completed', safeReal >= safeTarget);
            function setIconActive(el, active) {
                if (active) {
                    el.classList.add('active');
                    if (!el.classList.contains('final')) el.innerHTML = '<i class="fa-solid fa-check"></i>';
                } else {
                    el.classList.remove('active');
                    if (!el.classList.contains('final')) el.innerHTML = '<i class="fa-solid fa-lock"></i>';
                }
            }
            setIconActive(t1, safeReal >= 1);
            setIconActive(t2, safeReal >= 2);
            setIconActive(t3, safeReal >= 3);
            setIconActive(t4, safeReal >= safeTarget);
        }

        function renderBadge(real, target) {
            setProgress(real, target);
        }

        function findMonthProgress(year, month, currentMonthData, allMonthsData) {
            const result = { realNum: 0, targetNum: 4 };
            const pick = (arr) => {
                if (!arr || !arr.length) return null;
                for (let i = 0; i < arr.length; i++) {
                    if (Number(arr[i].month) === Number(month)) return arr[i];
                }
                return null;
            };
            const fromCurrent = currentMonthData && pick(currentMonthData.monthRs || []);
            if (fromCurrent) return { realNum: fromCurrent.realNum || 0, targetNum: fromCurrent.targetNum || 4 };
            if (allMonthsData && allMonthsData.length) {
                for (let i = 0; i < allMonthsData.length; i++) {
                    const item = allMonthsData[i];
                    if (item.year && Number(item.year) !== Number(year)) continue;
                    const found = pick(item.monthRs || []);
                    if (found) return { realNum: found.realNum || 0, targetNum: found.targetNum || 4 };
                }
            }
            return result;
        }

        function renderMonths(list) {
            dropdown.innerHTML = '';
            if (!list || list.length === 0) {
                dropdown.innerHTML = '<div class="dd-item">暂无月份数据</div>';
                return;
            }
            list.forEach((item, idx) => {
                const title = `${item.month}月挑战赛`;
                const div = document.createElement('div');
                const isCurrent = state.currentYM && state.currentYM.year === item.year && state.currentYM.month === item.month;
                div.className = 'dd-item' + (isCurrent ? ' dd-active' : '');
                div.innerText = (idx === 0 && !isCurrent) ? `${title} (本月)` : title;
                div.onclick = () => {
                    selectMonth(item.year, item.month, title);
                };
                dropdown.appendChild(div);
            });
        }

        function renderPodium(list, tabType) {
            const type = tabType || state.activeTab || 'score';
            podiumWrap.innerHTML = '';
            
            // Ensure we have at least 3 elements for the podium, filling with null if less.
            // This allows the podium structure to always be rendered, even if slots are empty.
            const podiumData = Array(3).fill(null);
            if (list && list.length > 0) {
                list.slice(0, 3).forEach((item, index) => {
                    podiumData[index] = item;
                });
            }

            const p1 = podiumData[0]; // Actual Rank 1
            const p2 = podiumData[1]; // Actual Rank 2
            const p3 = podiumData[2]; // Actual Rank 3

            // Define the visual order for rendering (2nd, 1st, 3rd)
            const podiumItems = [
                { person: p2, className: 'p-2' }, // Left column - Second place
                { person: p1, className: 'p-1' }, // Middle column - First place
                { person: p3, className: 'p-3' }  // Right column - Third place
            ];

            podiumItems.forEach(itemConfig => {
                const person = itemConfig.person;
                const col = document.createElement('div');
                col.className = 'p-col ' + itemConfig.className;
                
                const name = person ? (person.nickName || person.name || person.userName) : '虚位以待';
                const score = person ? (person.score != null ? person.score : (person.inRankNum != null ? person.inRankNum : '')) : '';
                // Placeholder avatar for empty slots or Multiavatar for actual people
                const avatarContent = person ? buildAvatar(name, person.rankNum) : '<div style="width:100%;height:100%;background:#ddd;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#666;font-size:12px;font-weight:bold;">?</div>';

                // Only the actual first place gets the crown, and only if that person exists
                const isActualFirst = (person === p1 && p1 !== null); 

                col.innerHTML = `
                    ${isActualFirst ? '<div class="crown"><i class="fa-solid fa-crown"></i></div>' : ''}
                    <div class="p-img">${avatarContent}</div>
                    <div class="p-box">
                        <div class="p-name">${name}</div>
                        <div class="p-score">${score}</div>
                    </div>
                `;
                podiumWrap.appendChild(col);
            });

            // The remaining items for the list below the podium
            const remaining = list && list.length > 3 ? list.slice(3) : [];
            if (type === 'venue') {
                state.venueListRendered = remaining;
            } else {
                state.scoreListRendered = remaining;
            }
            if (state.activeTab === type) renderRankList(remaining);
        }

        function renderRankList(list) {
            rankListEl.innerHTML = '';
            if (!list || list.length === 0) {
                rankListEl.innerHTML = '<div style="padding:20px; color:#b2bec3; text-align:center;">暂无数据</div>';
                return;
            }
            list.forEach((item, idx) => {
                const rankNum = item.rankNum || idx + 1;
                const name = item.nickName || item.name || item.userName || item.teamName || '选手';
                const scoreVal = (item.score != null ? item.score : item.inRankNum);
                const score = scoreVal != null ? scoreVal : '--';
                const team = item.teamName || item.coiName || '';
                const teamIcon = team ? '<i class="fa-solid fa-user-group"></i> ' : '<i class="fa-solid fa-user"></i> ';
                const row = document.createElement('div');
                row.className = 'list-item';
                row.innerHTML = `
                    <div class="rank">${rankNum}</div>
                    <div class="avatar">${buildAvatar(name, rankNum)}</div>
                    <div class="info">
                        <div class="name">${name}</div>
                        <div class="team">${teamIcon}${team || '个人'}</div>
                    </div>
                    <div class="score">${score}</div>
                `;
                rankListEl.appendChild(row);
            });
        }

        function renderMyInfo(myRank, myScore, userInfo) {
            const rankNumEl = document.getElementById('myRankNum');
            const myScoreEl = document.getElementById('myScoreValue');
            const myNameEl = document.getElementById('myName');
            const myTeamEl = document.getElementById('myTeam');
            const myAvatarEl = document.getElementById('myAvatar');
            const rankVal = myRank && Number(myRank.rankNum);
            const hasRank = rankVal > 0;
            rankNumEl.innerText = hasRank ? rankVal : '--';
            myScoreEl.innerText = hasRank && myScore && myScore.score != null ? myScore.score : '--';
            const name = (userInfo && (userInfo.nickName || userInfo.userName)) || '我';
            myNameEl.innerText = name;
            myTeamEl.innerText = hasRank ? '继续加油' : '';
            myAvatarEl.innerHTML = buildAvatar(name, 'me');
            
            // Remove click listener if exists (clean slate)
            document.querySelector('.my-rank-bar').onclick = null;
        }

        function renderGuestState() {
            const rankNumEl = document.getElementById('myRankNum');
            const myScoreEl = document.getElementById('myScoreValue');
            const myNameEl = document.getElementById('myName');
            const myTeamEl = document.getElementById('myTeam');
            const myAvatarEl = document.getElementById('myAvatar');
            const myRankBar = document.querySelector('.my-rank-bar');

            rankNumEl.innerText = '--';
            myScoreEl.innerText = '';
            myNameEl.innerText = '您还未登录';
            myTeamEl.innerText = '点击去登录';
            myTeamEl.style.color = '#fdcb6e'; 
            
            // Random avatar
            const randomSeed = 'guest_' + Math.floor(Math.random() * 10000);
            myAvatarEl.innerHTML = buildAvatar('Guest', randomSeed);

            // Add click listener
            myRankBar.onclick = function() {
                if (window.Bridge && Bridge.toLogin) {
                    Bridge.toLogin();
                }
            };
        }

        function renderRules(config) {
            if (!config || !config.configJson) return;
            try {
                const parsed = JSON.parse(config.configJson);
                const rules = parsed.popupRuleList || [];
                if (rules.length > 0 && rules[0].data && rules[0].data.content) {
                    ruleContent.innerHTML = rules[0].data.content;
                }
            } catch (err) {
                Logger.warn('[Rule] parse error', err);
            }
        }

        function switchTab(type, tabElement) {
            state.activeTab = type;
            document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
            if (tabElement) tabElement.classList.add('active');
            const baseList = type === 'venue' ? state.venueList : state.scoreList;
            renderPodium(baseList, type);
            const rendered = type === 'venue' ? (state.venueListRendered || baseList.slice(3)) : (state.scoreListRendered || baseList.slice(3));
            renderRankList(rendered);
        }

        function demoProgress(step) {
            setProgress(step, 4);
        }

        async function loadMonthData(year, month) {
            state.currentYM = { year: year, month: month };
            document.getElementById('currentMonthText').innerText = `${month}月挑战赛`;
            renderMonths(state.months);
            setLoading(true);
            try {
                const monthRank = await API.request('MonthRankDetailQuery', { year: year, month: month, dispArrStr: 'grad,mapNum' });
                const monthGrad = monthRank && monthRank.gradRs ? monthRank.gradRs : [];
                const monthMap = monthRank && monthRank.mapNumRs ? monthRank.mapNumRs : [];
                state.scoreList = monthGrad;
                state.venueList = monthMap;
                const prog = findMonthProgress(year, month, state.currentMonthData, state.allMonthsData);
                renderBadge(prog.realNum, prog.targetNum);
                renderPodium(state.activeTab === 'venue' ? state.venueList : state.scoreList, state.activeTab);
                switchTab(state.activeTab, document.querySelector('.tab.active'));
            } catch (err) {
                Logger.error('[Month] 加载失败', err);
                rankListEl.innerHTML = '<div style="padding:20px; color:#d63031;">数据加载失败，请重试</div>';
            } finally {
                setLoading(false);
            }
        }

        function selectMonth(year, month, title) {
            dropdown.style.display = 'none';
            loadMonthData(year, month);
        }

        async function initPage() {
            // Platform detection for CSS adjustments
            if (/iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream) {
                document.body.classList.add('platform-ios');
            }

            const ecId = getQuery('ecId') || '4';
            const token = getQuery('token');
            let baseUrl = getQuery('baseUrl') || undefined;
            const env = (getQuery('env') || '').toLowerCase();
            const useMock = env === 'mock';
            Logger.init(useMock); // Initialize logger based on mock status
            const ym = getYearMonth();
            
            // 1. Initialize with 6 months
            state.months = getRecentMonths(6); 
            
            if (!baseUrl && !useMock) baseUrl = 'https://colormaprun.com/api/card/';
            if (window.Bridge && window.Bridge.onToken) Bridge.onToken(API.setToken);
            API.init({ token: token || '', useMock: useMock, baseUrl: baseUrl });
            const allowLogin = !useMock && token;

            renderMonths(state.months);
            setLoading(true);

            async function safeCall(promiseFactory) {
                try { return await promiseFactory(); }
                catch (err) { Logger.warn('[Optional API] ignore error', err); return null; }
            }

            // Helper to load data for a specific month
            async function fetchMonthData(year, month) {
                return await API.request('MonthRankDetailQuery', { year: year, month: month, dispArrStr: 'grad,mapNum' });
            }

            try {
                // 2. Try loading current month first
                let targetYM = { year: ym.year, month: ym.month };
                let monthRank = await fetchMonthData(targetYM.year, targetYM.month);
                
                // 3. Check if current month has data
                let monthGrad = monthRank && monthRank.gradRs ? monthRank.gradRs : [];
                let monthMap = monthRank && monthRank.mapNumRs ? monthRank.mapNumRs : [];
                let hasData = monthGrad.length > 0 || monthMap.length > 0;

                // 4. If no data, search backwards in the 6-month list
                if (!hasData) {
                    // Start from index 1 because index 0 (current month) is already checked
                    for (let i = 1; i < state.months.length; i++) {
                        const checkYM = state.months[i];
                        const checkRank = await fetchMonthData(checkYM.year, checkYM.month);
                        const checkGrad = checkRank && checkRank.gradRs ? checkRank.gradRs : [];
                        const checkMap = checkRank && checkRank.mapNumRs ? checkRank.mapNumRs : [];
                        
                        if (checkGrad.length > 0 || checkMap.length > 0) {
                            // Found data! Update target and data
                            targetYM = checkYM;
                            monthRank = checkRank;
                            monthGrad = checkGrad;
                            monthMap = checkMap;
                            hasData = true;
                            break; 
                        }
                    }
                }

                // Update state with the found (or original empty) data
                state.currentYM = targetYM;
                state.scoreList = monthGrad;
                state.venueList = monthMap;

                let base, currentMonth, allMonths, myRank, myScore, userInfo, cardConfig;
                if (useMock || allowLogin) {
                    [base, currentMonth, allMonths, myRank, myScore, userInfo, cardConfig] = await Promise.all([
                        safeCall(() => API.getCardBase(ecId, 'rank')),
                        safeCall(() => API.request('CurrentMonthlyChallengeQuery', { ecId: ecId })),
                        safeCall(() => API.getMonthlyChallenge()),
                        safeCall(() => API.getUserCurrentRank(ecId)),
                        safeCall(() => API.getScore(ecId)),
                        safeCall(() => API.getUserInfo()),
                        safeCall(() => API.getCardConfig(ecId, 'rank'))
                    ]);
                } else {
                    base = { ecName: `${targetYM.month}月挑战赛` };
                    currentMonth = { monthRs: [{ month: targetYM.month, realNum: 0, targetNum: 4 }] };
                    allMonths = [];
                    myRank = null;
                    myScore = null;
                    userInfo = null;
                    cardConfig = null;
                }

                const selfRow = monthGrad.find && monthGrad.find(item => item.isSelf === 1);
                if (!base && monthGrad.length) base = { ecName: `${targetYM.month}月挑战赛` };
                state.currentMonthData = currentMonth || null;
                state.allMonthsData = allMonths || null;
                
                // IMPORTANT: Render with the actually selected month (targetYM)
                const prog = findMonthProgress(targetYM.year, targetYM.month, state.currentMonthData, state.allMonthsData);
                document.getElementById('currentMonthText').innerText = `${targetYM.month}月挑战赛`;
                
                // Re-render dropdown to highlight correct month
                renderMonths(state.months);

                renderBadge(prog.realNum, prog.targetNum);
                renderPodium(state.scoreList, 'score');
                switchTab(state.activeTab, document.querySelector('.tab.active'));
                
                if (!token && !useMock) {
                    renderGuestState();
                } else {
                    let hasRenderedMyInfo = false;
                    if (allowLogin && myRank) {
                        const rankVal = Number(myRank.rankNum);
                        if (rankVal > 0) {
                            renderMyInfo({ rankNum: rankVal }, myScore, userInfo);
                        } else {
                            renderMyInfo({ rankNum: null }, null, userInfo);
                        }
                        hasRenderedMyInfo = true;
                    } else if (selfRow) {
                        renderMyInfo({ rankNum: selfRow.rankNum }, { score: selfRow.inRankNum || selfRow.score }, { nickName: selfRow.userName });
                        hasRenderedMyInfo = true;
                    }
                    if (!hasRenderedMyInfo) {
                        renderMyInfo(myRank, myScore, userInfo);
                    }
                }

                renderRules(cardConfig);
            } finally {
                setLoading(false);
                loadingMask.classList.remove('show'); // Force remove show class
            }
        }

        document.addEventListener('click', (e) => {
            if(!e.target.closest('.month-select') && !e.target.closest('.dropdown')) { dropdown.style.display = 'none'; }
        });

        document.addEventListener('DOMContentLoaded', initPage);
    </script>
</body>
</html>