wyoj-raw/app/controllers/index.php

<?php
$blogs = DB::selectAll("select blogs.id, title, poster, post_time from important_blogs, blogs where is_hidden = 0 and important_blogs.blog_id = blogs.id order by level desc, important_blogs.blog_id desc limit 8");
$activateusers = DB::selectAll("select submitter, count(*) as cnt from submissions where datediff(now(), submit_time) <= 30 group by submitter order by cnt desc limit 12;");
$topusers = DB::selectAll("select u.username, u.rating, u.rating_rd, u.rating_vol, u.motto, u.qq, count(*) cnt from user_info u inner join contests_registrants c on u.username = c.username inner join contests s on s.id = c.contest_id where datediff(now(), s.start_time) <= 180 group by c.username having cnt >= 3 order by rating desc, username asc limit 12;");
$hotusers = DB::selectAll("select username, rating, rating_rd, rating_vol, qq, motto from user_info order by rating_vol desc, username asc limit 12;");
$topblogs = DB::selectAll("select id from blogs where is_hidden = false and zan >= 10 order by zan desc limit 10;");
$recentblogs = DB::selectAll("select id from blogs where is_hidden = false and zan < 10 order by post_time desc limit 10;");
$songs_data = htmlspecialchars(json_encode(DB::selectAll("select * from songs;")), ENT_QUOTES, 'UTF-8');

// 最近比赛：未结束的按开始时间升序取，不足 5 场时补最近结束的
$recent_contests = array();
$result = DB::selectAll("select * from contests where status != 'finished' order by start_time asc, id asc limit 5");
foreach ($result as $contest) {
        genMoreContestInfo($contest);
        $recent_contests[] = $contest;
}
if (count($recent_contests) < 5) {
        $need = 5 - count($recent_contests);
        $result = DB::selectAll("select * from contests where status = 'finished' order by start_time desc, id desc limit $need");
        foreach ($result as $contest) {
                genMoreContestInfo($contest);
                $recent_contests[] = $contest;
        }
}

// 随机用户背景图展示用
$rand_users = [];
$rand_users_raw = DB::selectAll("select username, bgurl, motto from user_info where bgurl is not null and bgurl != ''");

foreach ($rand_users_raw as $u) {
    if (!preg_match('#^https?://#i', $u['bgurl'])) continue;
    $u_obj = queryUser($u['username']);
    if (!$u_obj) continue;
    $rand_users[] = [
	'username' => $u['username'],
        'href'     => '/user/profile/' . urlencode($u['username']),
        'bgurl'    => $u['bgurl'],
        'motto'    => $u['motto'],
        'userlink' => getUserLink($u['username']),
        'avatar'   => HTML::avatar_addr($u_obj, 128),
    ];
}

$rand_users_json = htmlspecialchars(json_encode($rand_users), ENT_QUOTES, 'UTF-8');
?>
<?php echoUOJPageHeader(UOJConfig::$data['profile']['oj-name-short']) ?>
<div id="songs-data" data-songs='<?php echo $songs_data; ?>'></div>

<div class="row my-4 wyoj-topcard">
        <div class="card-body">
                <div class="row">
                        <div class="col-sm-12 col-md-9">
                                <table class="table table-sm">
                                        <tbody>
                                        <?php $now_cnt = 0; ?>
                                        <?php foreach ($blogs as $blog): ?>
                                                <?php
                                                        $now_cnt++;
                                                        $new_tag = '';
                                                        if ((time() - strtotime($blog['post_time'])) / 3600 / 24 <= 7) {
                                                                $new_tag = '<sup style="color:red">&nbsp;new</sup>';
                                                        }
                                                ?>
                                                <tr>
                                                        <td><a href="/blogs/<?= $blog['id'] ?>"><?= $blog['title'] ?></a><?= $new_tag ?></td>
                                                        <td>by <?= getUserLink($blog['poster']) ?></td>
                                                        <td><small><?= $blog['post_time'] ?></small></td>
                                                </tr>
                                        <?php endforeach ?>
                                        <?php for ($i = $now_cnt + 1; $i <= 8; $i++): ?>
                                                <tr><td colspan="233">&nbsp;</td></tr>
                                        <?php endfor ?>
                                                <tr><td class="text-right" colspan="233">
                                                        <span>本歌曲由 </span><span id="recommender"></span><span> 推荐</span>
                                                </td></tr>
                                                <tr><td class="text-right" colspan="233">
                                                        <a href="https://git.ryp.org.cn/wyoj/" class="text-info font-weight-bold">WyOJ 以及所有相关项目均为自由软件。</a>
                                                        <a href="/announcements"><?= UOJLocale::get('all the announcements') ?></a>
                                                </td></tr>
                                                <tr>
                                                        <td class="text-right" colspan="233">
                                                                <span class="text-danger font-weight-bold">声明：本网站属个人非经营性网站，仅用于学习交流，无任何盈利目的，与任何组织无关</span>
                                                                <a href="/certs-manage/songs">我要推歌</a>
                                                        </td>
                                                </tr>
                                        </tbody>
                                </table>
                        </div>
                        <div class="col-xs-6 col-sm-4 col-md-3">
        <div class="card" style="max-width:300px; width:100%; border-radius:0; ">
        <div class="image-frame" style="aspect-ratio:1/1; position:relative;">
            <img id="photo" src="" alt="" style="width:100%; height:100%; object-fit:cover; display:block; cursor:pointer; -webkit-tap-highlight-color:transparent;">
        </div>
        <div class="intro" style="padding:1.6rem 1.8rem 1.2rem; text-align:center; background:#ffffff;">
            <p id="name" style="font-size:1.0rem; font-weight:800; letter-spacing:1px; margin-bottom:0.5rem; line-height:1.2; margin-block:0;"></p>
            <p id="amb" style="font-size:0.7rem; font-weight:400; color:#4f5d69; margin-bottom:0.25rem; line-height:1.5; border-top:1px dashed #cdd9e3; padding-top:0.8rem; white-space:pre-wrap; margin-block:0;"></p>
            <p id="writer" style="font-size:0.7rem; font-weight:400; color:#4f5d69; margin-bottom:0.25rem; line-height:1.5; white-space:pre-wrap; margin-block:0;"></p>
        </div>
        <div class="button-wrapper" style="padding:0.2rem 1.8rem 2rem 1.8rem; background:#ffffff;">
            <style>
                #randomBtn{
                    display: inline-flex;
                    align-items: center;
                    justify-content: center;
                    gap: 0.6rem;
                    width: 100%;
                    background: #1f2f3b;
                    color: white;
                    padding: 0.7rem 0;
                    cursor: pointer;
                    transition: all 0.2s ease;
                    letter-spacing: 0.5px;
                    border: 1px solid rgba(255, 255, 255, 0.2);
                    backdrop-filter: blur(4px);
                    font-family: inherit;
                    line-height: 1;
                }
            </style>
            <button id="randomBtn">换一首</button>
        </div>
    </div>
    <script>
        (function() {
            let dataDiv = document.getElementById('songs-data');
            let library = JSON.parse(dataDiv.dataset.songs);

            const photoImg = document.getElementById('photo');
            const nameEl = document.getElementById('name');
            const ambEl = document.getElementById('amb');
            const writerEl = document.getElementById('writer');
            const randomBtn = document.getElementById('randomBtn');
            const recommenderEl = document.getElementById('recommender');

            let lastIndex = -1;
            let currentMusicLink = library[0].musiclink;

            photoImg.addEventListener('mousedown', function(e) {
                this.style.opacity = '0.8';
            });
            photoImg.addEventListener('mouseup', function(e) {
                this.style.opacity = '';
            });
            photoImg.addEventListener('mouseleave', function(e) {
                this.style.opacity = '';
            });
            photoImg.addEventListener('touchstart', function(e) {
                this.style.opacity = '0.8';
            });
            photoImg.addEventListener('touchend', function(e) {
                this.style.opacity = '';
            });
            photoImg.addEventListener('touchcancel', function(e) {
                this.style.opacity = '';
            });
            function setBtnActive() {
                randomBtn.style.background = '#17242e';
                randomBtn.style.transform = 'scale(0.98)';
                randomBtn.style.boxShadow = '0 4px 8px rgba(0,0,0,0.2)';
            }
            function setBtnNormal() {
                randomBtn.style.background = '#1f2f3b';
                randomBtn.style.transform = 'scale(1)';
                randomBtn.style.boxShadow = 'none';
            }
            randomBtn.addEventListener('mousedown', setBtnActive);
            randomBtn.addEventListener('mouseup', setBtnNormal);
            randomBtn.addEventListener('mouseleave', setBtnNormal);
            randomBtn.addEventListener('touchstart', setBtnActive);
            randomBtn.addEventListener('touchend', setBtnNormal);
            randomBtn.addEventListener('touchcancel', setBtnNormal);

            photoImg.addEventListener('click', function() {
                if (currentMusicLink) {
                    window.open(currentMusicLink, '_blank');
                }
            });
            function randmusic() {
                let randid = lastIndex;
                while (randid === lastIndex) {
                    randid = Math.floor(Math.random() * library.length);
                }

                if (lastIndex == -1) randid = 3;

                lastIndex = randid;
                const ys = library[randid];
                photoImg.src = ys.cover;
                photoImg.alt = ys.name;
                nameEl.textContent = ys.name;
                ambEl.textContent = ys.album;
                writerEl.textContent = ys.writer;
                recommenderEl.textContent = ys.user;
                currentMusicLink = ys.click;
            }

            randmusic();

            randomBtn.addEventListener('click', function() {
                randmusic();
            });

        })();
    </script>
</div>
                </div>
        </div>
</div>

<?php
// ---- 日期 ----
$todayTs   = time();
$dayNum    = (int)date('j', $todayTs);
$monthNum  = (int)date('n', $todayTs);
$wday      = (int)date('w', $todayTs);
$monthCN   = ['一','二','三','四','五','六','七','八','九','十','十一','十二'];
$weekCN    = ['日','一','二','三','四','五','六'];

$bigMonths = [1,3,5,7,8,10,12];
if ($monthNum == 2) {
        $sizeChar = '平';           // 闰年可改成 '闰'
} elseif (in_array($monthNum, $bigMonths)) {
        $sizeChar = '大';
} else {
        $sizeChar = '小';
}
$monthText = $monthCN[$monthNum - 1] . '月' . $sizeChar;
$weekText  = '星期' . $weekCN[$wday];

$todayMidnight = strtotime(date('Y-m-d', $todayTs));
$noipTs        = strtotime('2026-11-28');
$daysLeft      = max(0, (int)floor(($noipTs - $todayMidnight) / 86400));
$csp1Ts        = strtotime('2026-09-19');
$csp1daysLeft  = max(0, (int)floor(($csp1Ts - $todayMidnight) / 86400));
$csp2Ts        = strtotime('2026-10-31');
$csp2daysLeft  = max(0, (int)floor(($csp2Ts - $todayMidnight) / 86400));
$gk27Ts        = strtotime('2027-06-07');
$gk27daysLeft  = max(0, (int)floor(($gk27Ts - $todayMidnight) / 86400));
$gk28Ts        = strtotime('2028-06-07');
$gk28daysLeft  = max(0, (int)floor(($gk28Ts - $todayMidnight) / 86400));
?>

<div class="row my-4">
    <!-- ============ 左列：日程 + 博客 ============ -->
    <div class="col-12 col-lg-9">
        <!-- 黑色日期卡片 -->
        <div class="mb-4 wyoj-date-card" id="wyoj-date-card"
             style="position:relative;overflow:hidden;background:#000;color:#fff;padding:2rem 1.5rem;border-radius:0;text-shadow:0 1px 3px rgba(0,0,0,0.75);">

            <!-- 随机方格背景：canvas -->
            <canvas id="wyoj-date-canvas"
                    style="position:absolute;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none;"></canvas>

            <!-- 内容层 -->
            <div style="position:relative;z-index:1;">
                <style>
                    /* 竖排文字：逐字竖直排列，不依赖 writing-mode:vertical-rl（Firefox 下该属性会把汉字压扁/渲染成空白） */
                    .wyoj-vtext {
                        display: flex;
                        flex-direction: column;
                        align-items: center;
                        font-size: 1.5rem;
                        font-weight: bold;
                        line-height: 1;
                    }
                    .wyoj-vtext>span {
                        display: block;
                        line-height: 1.3; /* 等价于原来的 letter-spacing: 0.3em */
                    }
                </style>
                <?php
                    // 把一段文字拆成"每字一个 span"，交给上面的 flex 纵向排列
                    $wyoj_vtext = function ($text) {
                        $html = '';
                        foreach (preg_split('//u', $text, -1, PREG_SPLIT_NO_EMPTY) as $ch) {
                            $html .= '<span>' . htmlspecialchars($ch, ENT_QUOTES, 'UTF-8') . '</span>';
                        }
                        return $html;
                    };
                ?>
                <div class="d-flex justify-content-center align-items-center">
                    <div class="wyoj-vtext"><?= $wyoj_vtext($monthText) ?></div>
                    <div class="mx-4" style="font-size:5rem;font-weight:600;line-height:1;">
                        <?= $dayNum ?>
                    </div>
                    <div class="wyoj-vtext"><?= $wyoj_vtext($weekText) ?></div>
                </div>
                    <div class="text-center mt-4" style="font-size:1rem;letter-spacing:0.05em;">
                        <?php if ($daysLeft > 0): ?>
                            距 <strong>NOIP2026</strong> 还有 <strong><?= $daysLeft ?></strong> 天
                        <?php elseif ($daysLeft === 0): ?>
                            <strong>NOIP2026</strong> 就是今天
                        <?php else: ?>
                            <strong>NOIP2026</strong> 已结束
                        <?php endif; ?>
                        <br/>
                        <?php if ($csp1daysLeft > 0): ?>
                            距 <strong>CSP-J/S 2026 第一轮</strong> 还有 <strong><?= $csp1daysLeft ?></strong> 天
                       <?php elseif ($csp1daysLeft === 0): ?>
                            <strong>CSP-J/S 2026 第一轮</strong> 就是今天
                        <?php else: ?>
                            <strong>CSP-J/S 2026 第一轮</strong> 已结束
                        <?php endif; ?>
                        <br/>
                        <?php if ($csp2daysLeft > 0): ?>
                            距 <strong>CSP-J/S 2026 第二轮</strong> 还有 <strong><?= $csp2daysLeft ?></strong> 天
                        <?php elseif ($csp2daysLeft === 0): ?>
                            <strong>CSP-J/S 2026 第二轮</strong> 就是今天！
                        <?php else: ?>
                            <strong>CSP-J/S 2026 第二轮</strong> 已结束
                        <?php endif; ?>
                        <br/>
                        <?php if ($gk27daysLeft > 0): ?>
                            距 <strong>2027 年普通高等学校招生全国统一考试</strong> 还有 <strong><?= $gk27daysLeft ?></strong> 天
                        <?php elseif ($gk27daysLeft === 0): ?>
                            <strong>2027 年普通高等学校招生全国统一考试</strong> 就是今天！
                        <?php else: ?>
                            <strong>2027 年普通高等学校招生全国统一考试</strong> 已结束
                        <?php endif; ?>
                        <br/>
                        <?php if ($gk28daysLeft > 0): ?>
                            距 <strong>2028 年普通高等学校招生全国统一考试</strong> 还有 <strong><?= $gk28daysLeft ?></strong> 天
                        <?php elseif ($gk28daysLeft === 0): ?>
                            <strong>2028 年普通高等学校招生全国统一考试</strong> 就是今天！
                        <?php else: ?>
                            <strong>2028 年普通高等学校招生全国统一考试</strong> 已结束
                        <?php endif; ?>
                    </div>
                </div>
        </div>

        <script>
        (function () {
            var card   = document.getElementById('wyoj-date-card');
            var canvas = document.getElementById('wyoj-date-canvas');
            if (!card || !canvas) return;

            var ctx = canvas.getContext('2d');

            // ===== 可调参数 =====
            var COLORS   = ['#000000', '#0c0c0c', '#181818', '#242424', '#303030'];
            var CELL     = 26;     // 每格边长（px）
            var P        = 0.3;    // 每格每轮变色概率（期望值）
            var PERIOD   = 3000;   // 刷新间隔（ms）
            var Z        = 1.96;   // 95% 置信区间
            var USE_DPR  = false;  // 是否按设备像素比放大 canvas（false 更省 CPU）
            // ====================

            var dpr = USE_DPR ? (window.devicePixelRatio || 1) : 1;
            var cols = 0, rows = 0, nCells = 0;
            var lastW = 0, lastH = 0;
            var gridColors = [];
            var idx = null;
            var xs = null, ys = null;

            var rafId = null;
            var running = false;
            var lastTick = 0;

            function randColor() {
                return COLORS[(Math.random() * COLORS.length) | 0];
            }

            function computeBounds() {
                var w = card.clientWidth;
                var h = card.clientHeight;
                xs = new Int32Array(cols + 1);
                ys = new Int32Array(rows + 1);
                for (var i = 0; i <= cols; i++) xs[i] = Math.round(i * w / cols);
                for (var j = 0; j <= rows; j++) ys[j] = Math.round(j * h / rows);
            }

            function build() {
                var w = card.clientWidth;
                var h = card.clientHeight;
                if (w === 0 || h === 0) return;
                if (w === lastW && h === lastH) return;   // 尺寸没变就不重建
                lastW = w; lastH = h;

                cols = Math.max(1, Math.ceil(w / CELL));
                rows = Math.max(1, Math.ceil(h / CELL));
                nCells = cols * rows;

                canvas.width  = Math.round(w * dpr);
                canvas.height = Math.round(h * dpr);
                canvas.style.width  = w + 'px';
                canvas.style.height = h + 'px';
                ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
                ctx.imageSmoothingEnabled = false;

                computeBounds();

                gridColors = [];
                for (var y = 0; y < rows; y++) {
                    var row = [];
                    for (var x = 0; x < cols; x++) row.push(randColor());
                    gridColors.push(row);
                }

                idx = new Int32Array(nCells);
                for (var i = 0; i < nCells; i++) idx[i] = i;

                redrawAll();
            }

            function redrawAll() {
                for (var y = 0; y < rows; y++) {
                    var y0 = ys[y], y1 = ys[y + 1];
                    for (var x = 0; x < cols; x++) {
                        ctx.fillStyle = gridColors[y][x];
                        ctx.fillRect(xs[x], y0, xs[x + 1] - xs[x], y1 - y0);
                    }
                }
            }

            function tick() {
                if (nCells === 0) return;

                var mu    = nCells * P;
                var sigma = Math.sqrt(nCells * P * (1 - P));
                var lo    = Math.max(0, Math.floor(mu - Z * sigma));
                var hi    = Math.min(nCells, Math.ceil(mu + Z * sigma));
                var m     = lo + Math.floor(Math.random() * (hi - lo + 1));

                for (var i = 0; i < m; i++) {
                    var j = i + Math.floor(Math.random() * (nCells - i));
                    var t = idx[i]; idx[i] = idx[j]; idx[j] = t;
                }

                for (var k = 0; k < m; k++) {
                    var ci = idx[k];
                    var x  = ci % cols;
                    var y  = (ci / cols) | 0;
                    var c  = randColor();
                    gridColors[y][x] = c;
                    ctx.fillStyle = c;
                    ctx.fillRect(xs[x], ys[y], xs[x + 1] - xs[x], ys[y + 1] - ys[y]);
                }
            }

            function loop(now) {
                rafId = null;
                if (now - lastTick >= PERIOD) {
                    lastTick = now;
                    tick();
                }
                if (running) rafId = requestAnimationFrame(loop);
            }

            function start() {
                if (running) return;
                running = true;
                lastTick = performance.now();
                rafId = requestAnimationFrame(loop);
            }

            function stop() {
                running = false;
                if (rafId) { cancelAnimationFrame(rafId); rafId = null; }
            }

            build();

            if (window.ResizeObserver) {
                new ResizeObserver(function () { build(); }).observe(card);
            } else {
                window.addEventListener('resize', build);
            }

            if (window.IntersectionObserver) {
                new IntersectionObserver(function (entries) {
                    if (entries[0].isIntersecting) start(); else stop();
                }, { threshold: 0 }).observe(card);
            } else {
                start();
            }

            document.addEventListener('visibilitychange', function () {
                if (document.hidden) stop(); else start();
            });
        })();
        </script>

	<?php if (!empty($rand_users)): ?>
	<div class="mb-4" id="wyoj-random-user-wrap">
	    <div class="wyoj-random-user" id="wyoj-random-user-link">
	        <div class="wyoj-random-img-wrap">
	            <img class="wyoj-rand-img" id="wyoj-rand-img-a" src="" alt="">
	            <img class="wyoj-rand-img" id="wyoj-rand-img-b" src="" alt="">
	            <button type="button" class="wyoj-rand-arrow wyoj-rand-arrow-left"
	                    id="wyoj-rand-prev" aria-label="上一个">‹</button>
	            <button type="button" class="wyoj-rand-arrow wyoj-rand-arrow-right"
	                    id="wyoj-rand-next" aria-label="下一个">›</button>
	            <button type="button" class="wyoj-rand-pin pinned"
	                    id="wyoj-rand-pin" aria-label="固定" title="已固定，点击恢复自动切换">📌</button>
	        </div>
	        <div class="wyoj-random-info">
	            <span class="wyoj-rand-motto" id="wyoj-rand-motto"></span>
	            <span class="wyoj-rand-userlink" id="wyoj-rand-userlink"></span>
	            <img class="wyoj-rand-avatar" id="wyoj-rand-avatar" src="" alt="">
	        </div>
	    </div>
	    <div id="wyoj-random-user-data" data-users='<?= $rand_users_json ?>' style="display:none;"></div>
	</div>

	<script>
	(function () {
	    var wrap = document.getElementById('wyoj-random-user-wrap');
	    if (!wrap) return;
	    var dataEl = document.getElementById('wyoj-random-user-data');
	    if (!dataEl) return;

	    var users;
	    try { users = JSON.parse(dataEl.dataset.users); } catch (e) { wrap.style.display = 'none'; return; }
	    if (!users || users.length === 0) { wrap.style.display = 'none'; return; }

	    var link     = document.getElementById('wyoj-random-user-link');
	    var imgA     = document.getElementById('wyoj-rand-img-a');
	    var imgB     = document.getElementById('wyoj-rand-img-b');
	    var mottoEl  = document.getElementById('wyoj-rand-motto');
	    var userEl   = document.getElementById('wyoj-rand-userlink');
	    var avatarEl = document.getElementById('wyoj-rand-avatar');
	    var prevBtn  = document.getElementById('wyoj-rand-prev');
	    var nextBtn  = document.getElementById('wyoj-rand-next');
	    var pinBtn   = document.getElementById('wyoj-rand-pin');

	    var frontImg = imgA;
	    var backImg  = imgB;
	    var currentIdx = -1;
	    var currentUrl = '';
	    var timer = null;
	    var pinned = true;
	    var SWAP_MS = 5000;

	    function preload(url) {
	        return new Promise(function (resolve, reject) {
	            var im = new Image();
	            im.onload = function () { resolve(); };
	            im.onerror = function () { reject(); };
	            im.src = url;
	        });
	    }

	    function applyInfo(u) {
	        mottoEl.textContent = u.motto || '';
	        userEl.innerHTML = u.userlink;
	        avatarEl.src = u.avatar;
	        currentUrl = u.href;
	    }

	    function showImage(u) {
	        backImg.src = u.bgurl;
	        requestAnimationFrame(function () {
	            backImg.classList.add('active');
	            frontImg.classList.remove('active');
	            var t = frontImg; frontImg = backImg; backImg = t;
	        });
	    }

	    // 展示指定索引；如果图挂了就往同方向继续找
	    function goTo(idx, dir, tries) {
	        dir = dir || 1;
	        tries = tries || 0;
	        if (tries >= users.length) return;
	        var realIdx = ((idx % users.length) + users.length) % users.length;
	        var u = users[realIdx];
	        preload(u.bgurl).then(function () {
	            currentIdx = realIdx;
	            applyInfo(u);
	            showImage(u);
	        }, function () {
	            goTo(realIdx + dir, dir, tries + 1);
	        });
	    }

	    function schedule() {
	        clearTimeout(timer);
	        timer = null;
	        if (pinned) return;
	        if (users.length <= 1) return;
	        timer = setTimeout(function () {
	            goTo(currentIdx + 1, 1, 0);
	            schedule();
	        }, SWAP_MS);
	    }

	    function pickRandom() {
	        if (users.length === 1) return 0;
	        var i = currentIdx;
	        while (i === currentIdx) i = Math.floor(Math.random() * users.length);
	        return i;
	    }

	    // 初始化
	    (function init() {
	        var tries = 0;
		var idx = -1;
		for (var i = 0; i < users.length; i++)
			if (users[i].username == 'ryp') { idx = i; break; }
		// 夹带私货了
		if (idx < 0) idx = Math.floor(Math.random() * users.length);
	        function attempt() {
	            if (tries >= users.length) { wrap.style.display = 'none'; return; }
	            tries++;
	            var u = users[idx];
	            preload(u.bgurl).then(function () {
	                currentIdx = idx;
	                frontImg.src = u.bgurl;
	                frontImg.classList.add('active');
	                applyInfo(u);
	                schedule();
	            }, function () {
	                idx = (idx + 1) % users.length;
	                attempt();
	            });
	        }
	        attempt();
	    })();

	    // 点击卡片主体（非按钮、非内部链接）跳转
	    link.addEventListener('click', function (e) {
	        if (e.target.closest('button')) return;
	        if (e.target.closest('a')) return;
	        if (currentUrl) window.location.href = currentUrl;
	    });
	
	    // 上一个
	    prevBtn.addEventListener('click', function (e) {
	        e.stopPropagation();
	        e.preventDefault();
	        goTo(currentIdx - 1, -1, 0);
	        schedule();
	    });

	    // 下一个
	    nextBtn.addEventListener('click', function (e) {
	        e.stopPropagation();
	        e.preventDefault();
	        goTo(currentIdx + 1, 1, 0);
	        schedule();
	    });

	    // 固定 / 取消固定
	    pinBtn.addEventListener('click', function (e) {
	        e.stopPropagation();
	        e.preventDefault();
	        pinned = !pinned;
	        pinBtn.classList.toggle('pinned', pinned);
	        pinBtn.title = pinned ? '已固定，点击恢复自动切换' : '固定当前';
	        if (pinned) {
	            clearTimeout(timer);
	            timer = null;
	        } else {
	            schedule();
	        }
	    });

	    document.addEventListener('visibilitychange', function () {
	        if (document.hidden) {
	            clearTimeout(timer);
	            timer = null;
	        } else {
	            schedule();
	        }
	    });
	})();
	</script>
	<?php endif ?>

        
        <!-- 博客列表 -->
        <div class="row">
            <?php foreach ($recentblogs as $blog): ?>
                <?= echoBlogCard(queryBlog($blog['id'])) ?>
            <?php endforeach ?>
            <?php foreach ($topblogs as $blog): ?>
                <?= echoBlogCard(queryBlog($blog['id'])) ?>
            <?php endforeach ?>
        </div>
    </div>

    <!-- ============ 右列：排行榜 ============ -->
    <div class="col-12 col-lg-3">

        <!-- 活跃 -->
        <div class="card shadow-sm border-0 mb-3">
            <div class="card-body p-3">
                <h6 class="font-weight-bold mb-3">活跃排行榜</h6>
                <?php foreach ($activateusers as $username): ?>
                    <?php $user = queryUser($username['submitter']); ?>
                    <div class="d-flex align-items-start border-bottom pb-2 mb-2">
                        <img class="uoj-avatar rounded-circle flex-shrink-0 mr-2"
                             style="width:36px;height:36px;object-fit:cover;"
                             src="https://q.qlogo.cn/g?b=qq&nk=<?= $user['qq'] ?>&s=100" alt="...">
                        <div class="flex-grow-1" style="min-width:0;">
                            <div class="text-truncate font-weight-bold" style="font-size:0.9rem;">
                                <?= getUserLink($user['username']) ?>
                            </div>
                            <div class="text-truncate" style="font-size:0.8rem;font-family:'SimSun','宋体','Songti SC','STSong',serif;">
                                <?= $user['motto'] ?>
                            </div>
                        </div>
                    </div>
                <?php endforeach ?>
            </div>
        </div>

        <!-- 比赛 -->
        <div class="card shadow-sm border-0 mb-3">
            <div class="card-body p-3">
                <h6 class="font-weight-bold mb-1">比赛排行榜</h6>
                <div class="mb-3" style="font-size:0.75rem;">
                    <span class="text-muted">180 天内三场及以上</span>
                    <a href="/ranklist" class="ml-1">全部排名</a>
                </div>
                <?php foreach ($topusers as $user): ?>
                    <div class="d-flex align-items-start border-bottom pb-2 mb-2">
                        <img class="uoj-avatar rounded-circle flex-shrink-0 mr-2"
                             style="width:36px;height:36px;object-fit:cover;"
                             src="https://q.qlogo.cn/g?b=qq&nk=<?= $user['qq'] ?>&s=100" alt="...">
                        <div class="flex-grow-1" style="min-width:0;">
                            <div class="d-flex justify-content-between align-items-baseline">
                                <span class="text-truncate font-weight-bold" style="font-size:0.9rem;">
                                    <?= getUserLink($user['username']) ?>
                                </span>
                                <strong class="text-danger ml-1 flex-shrink-0" style="font-size:0.75rem;">
                                    <?= $user['rating'] ?> <small>(±<?= round($user['rating_rd']) * 2 ?>)</small>
                                </strong>
                            </div>
                            <div class="text-truncate" style="font-size:0.8rem;font-family:'SimSun','宋体','Songti SC','STSong',serif;">
                                <?= $user['motto'] ?>
                            </div>
                        </div>
                    </div>
                <?php endforeach ?>
            </div>
        </div>

        <!-- 黑马 -->
        <div class="card shadow-sm border-0 mb-3">
            <div class="card-body p-3">
                <h6 class="font-weight-bold mb-3">黑马 / 爆冷榜</h6>
                <?php foreach ($hotusers as $user): ?>
                    <div class="d-flex align-items-start border-bottom pb-2 mb-2">
                        <img class="uoj-avatar rounded-circle flex-shrink-0 mr-2"
                             style="width:36px;height:36px;object-fit:cover;"
                             src="https://q.qlogo.cn/g?b=qq&nk=<?= $user['qq'] ?>&s=100" alt="...">
                        <div class="flex-grow-1" style="min-width:0;">
                            <div class="d-flex justify-content-between align-items-baseline">
                                <span class="text-truncate font-weight-bold" style="font-size:0.9rem;">
                                    <?= getUserLink($user['username']) ?>
                                </span>
                                <strong class="text-danger ml-1 flex-shrink-0" style="font-size:0.75rem;">
                                    Vol <?= round(1000 * $user['rating_vol']) / 1000 ?>
                                </strong>
                            </div>
                            <div class="text-truncate" style="font-size:0.8rem;font-family:'SimSun','宋体','Songti SC','STSong',serif;">
                                <?= $user['motto'] ?>
                            </div>
                        </div>
                    </div>
                <?php endforeach ?>
            </div>
        </div>

    </div>
</div>

<!-- 博客卡片悬停效果 -->
<style>
.wyoj-blog-card {
    transition: box-shadow .2s ease;
}
.wyoj-blog-card:hover {
    box-shadow: 0 4px 14px rgba(0,0,0,.10) !important;
}
.wyoj-blog-card .wyoj-blog-title {
    font-size: 1.05rem;
    line-height: 1.5;
}


/* ---------- 随机用户背景图卡片 ---------- */
.wyoj-random-user {
    display: block;
    background: #fff;
    border: 0;
    border-radius: 0;
    overflow: hidden;
    color: inherit;
    box-shadow: 0 .125rem .25rem rgba(0,0,0,.075);
    transition: box-shadow 0.2s ease;
    cursor: pointer;
}
.wyoj-random-user:hover {
    box-shadow: 0 .25rem .75rem rgba(0,0,0,.10);
}
.wyoj-random-img-wrap {
    position: relative;
    aspect-ratio: 16 / 7;
    background: #f8f9fa;
    overflow: hidden;
}
.wyoj-rand-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.6s ease;
}
.wyoj-rand-img.active { opacity: 1; }

/* 左右箭头 */
.wyoj-rand-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.85);
    color: #333;
    font-size: 20px;
    line-height: 1;
    padding: 0 0 2px 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    opacity: 0.4;
    transition: opacity 0.2s ease, background 0.2s ease, transform 0.1s ease;
    -webkit-tap-highlight-color: transparent;
}
.wyoj-random-user:hover .wyoj-rand-arrow { opacity: 1; }
.wyoj-rand-arrow:hover {
    background: #fff;
    transform: translateY(-50%) scale(1.08);
}
.wyoj-rand-arrow:active { transform: translateY(-50%) scale(0.96); }
.wyoj-rand-arrow-left  { left: 10px; }
.wyoj-rand-arrow-right { right: 10px; }

/* 固定按钮 */
.wyoj-rand-pin {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    border: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.85);
    font-size: 13px;
    line-height: 1;
    padding: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    opacity: 0.4;
    transition: opacity 0.2s ease, background 0.2s ease, transform 0.1s ease;
    -webkit-tap-highlight-color: transparent;
}
.wyoj-random-user:hover .wyoj-rand-pin { opacity: 1; }
.wyoj-rand-pin:hover { background: #fff; }
.wyoj-rand-pin:active { transform: scale(0.94); }
.wyoj-rand-pin.pinned {
    opacity: 1;
    background: #ffc107;
}
.wyoj-rand-pin.pinned:hover { background: #ffb300; }

/* 信息行 */
.wyoj-random-info {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}
.wyoj-rand-motto {
    color: #6c757d;
    font-size: 0.85rem;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex-shrink: 1;
    min-width: 0;
}
.wyoj-rand-userlink {
    font-size: 0.9rem;
    line-height: 1.3;
    flex-shrink: 0;
    white-space: nowrap;
}
.wyoj-rand-avatar {
    width: 24px;
    height: 24px;
    object-fit: cover;
    border-radius: 50%;
    border: 1px solid #dee2e6;
    flex-shrink: 0;
    margin-left: auto;
}
</style>

<?php echoUOJPageFooter() ?>