Bangumi Topic Share

Bangumi 分享工具:生成分享卡片,支持图片复制/下载、一键复制分享文案、可选 AI 标签

スクリプトをインストールするには、Tampermonkey, GreasemonkeyViolentmonkey のような拡張機能のインストールが必要です。

You will need to install an extension such as Tampermonkey to install this script.

スクリプトをインストールするには、TampermonkeyViolentmonkey のような拡張機能のインストールが必要です。

スクリプトをインストールするには、TampermonkeyUserscripts のような拡張機能のインストールが必要です。

このスクリプトをインストールするには、Tampermonkeyなどの拡張機能をインストールする必要があります。

このスクリプトをインストールするには、ユーザースクリプト管理ツールの拡張機能をインストールする必要があります。

(ユーザースクリプト管理ツールは設定済みなのでインストール!)

このスタイルをインストールするには、Stylusなどの拡張機能をインストールする必要があります。

このスタイルをインストールするには、Stylus などの拡張機能をインストールする必要があります。

このスタイルをインストールするには、Stylus tなどの拡張機能をインストールする必要があります。

このスタイルをインストールするには、ユーザースタイル管理用の拡張機能をインストールする必要があります。

このスタイルをインストールするには、ユーザースタイル管理用の拡張機能をインストールする必要があります。

このスタイルをインストールするには、ユーザースタイル管理用の拡張機能をインストールする必要があります。

(ユーザースタイル管理ツールは設定済みなのでインストール!)

このスクリプトの質問や評価の投稿はこちら通報はこちらへお寄せください
// ==UserScript==
// @name         Bangumi Topic Share
// @namespace    http://tampermonkey.net/
// @version      6.2
// @description  Bangumi 分享工具:生成分享卡片,支持图片复制/下载、一键复制分享文案、可选 AI 标签
// @author       Stardream
// @contributor  Chang ji, Mewtw0
// @match        *://bgm.tv/group/topic/*
// @match        *://bangumi.tv/group/topic/*
// @match        *://chii.in/group/topic/*
// @match        *://bgm.tv/blog/*
// @match        *://bangumi.tv/blog/*
// @match        *://chii.in/blog/*
// @match        *://bgm.tv/ep/*
// @match        *://bangumi.tv/ep/*
// @match        *://chii.in/ep/*
// @match        *://bgm.tv/character/*
// @match        *://bangumi.tv/character/*
// @match        *://chii.in/character/*
// @match        *://bgm.tv/person/*
// @match        *://bangumi.tv/person/*
// @match        *://chii.in/person/*
// @match        *://bgm.tv/subject/*
// @match        *://bangumi.tv/subject/*
// @match        *://chii.in/subject/*
// @match        *://bgm.tv/rakuen*
// @match        *://bangumi.tv/rakuen*
// @match        *://chii.in/rakuen*
// @match        *://bgm.tv/anime/list/*
// @match        *://bangumi.tv/anime/list/*
// @match        *://chii.in/anime/list/*
// @match        *://bgm.tv/music/list/*
// @match        *://bangumi.tv/music/list/*
// @match        *://chii.in/music/list/*
// @match        *://bgm.tv/game/list/*
// @match        *://bangumi.tv/game/list/*
// @match        *://chii.in/game/list/*
// @match        *://bgm.tv/real/list/*
// @match        *://bangumi.tv/real/list/*
// @match        *://chii.in/real/list/*
// @match        *://bgm.tv/book/list/*
// @match        *://bangumi.tv/book/list/*
// @match        *://chii.in/book/list/*
// @match        *://bgm.tv/user/*/timeline/status/*
// @match        *://bangumi.tv/user/*/timeline/status/*
// @match        *://chii.in/user/*/timeline/status/*
// @match        *://bgm.tv/user/*/timeline
// @match        *://bangumi.tv/user/*/timeline
// @match        *://chii.in/user/*/timeline
// @match        *://bgm.tv/timeline
// @match        *://bangumi.tv/timeline
// @match        *://chii.in/timeline
// @match        *://bgm.tv/
// @match        *://bangumi.tv/
// @match        *://chii.in/
// @grant        GM_xmlhttpRequest
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_registerMenuCommand
// @connect      *
// @require      https://cdn.jsdelivr.net/npm/[email protected]/dist/html2canvas.min.js
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    const CARD_CONTENT_IMAGE_LIMIT = 3;


    // ================= Bangumi OAuth =================
    const BGM_CLIENT_ID = 'bgm600069e7caaa1d2ba';
    const BGM_REDIRECT_URI = 'https://bgm.tv/rakuen';
    const BGM_TOKEN_PROXY = 'https://bgm-topic-share.stdm.workers.dev';
    const getBgmToken = () => GM_getValue('bgm_share_token', '');
    const setBgmToken = t => GM_setValue('bgm_share_token', t);
    const clearBgmToken = () => {
        GM_setValue('bgm_share_token', '');
        GM_setValue('bgm_share_refresh_token', '');
        GM_setValue('bgm_share_token_expiry', 0);
    };
    function _refreshAuthStatusUI() {
        const statusEl = document.getElementById('bgm-share-auth-status');
        const authBtn = document.getElementById('bgm-share-auth-btn');
        const deauthBtn = document.getElementById('bgm-share-deauth-btn');
        if (!statusEl) return;
        const hasToken = !!getBgmToken();
        statusEl.textContent = hasToken ? '✓ 已授权,API 请求将携带 Token' : '未授权 - NSFW 条目数据将降级为 DOM 抓取';
        statusEl.style.color = hasToken ? '#4caf50' : '#aaa';
        if (authBtn) authBtn.style.display = hasToken ? 'none' : '';
        if (deauthBtn) deauthBtn.style.display = hasToken ? '' : 'none';
    }

    const startBgmOAuth = () => {
        const w = 600, h = 600;
        const left = Math.round(window.screenX + (window.outerWidth - w) / 2);
        const top = Math.round(window.screenY + (window.outerHeight - h) / 2);
        window.open(
            `https://bgm.tv/oauth/authorize?client_id=${BGM_CLIENT_ID}&response_type=code&redirect_uri=${encodeURIComponent(BGM_REDIRECT_URI)}`,
            'bgm_oauth',
            `width=${w},height=${h},left=${left},top=${top},popup=1`
        );
        const onFocus = () => {
            window.removeEventListener('focus', onFocus);
            _refreshAuthStatusUI();
        };
        window.addEventListener('focus', onFocus);
    };
    GM_registerMenuCommand('Bangumi Topic Share 授权', startBgmOAuth);
    GM_registerMenuCommand('Bangumi Topic Share 清除授权', () => { clearBgmToken(); alert('已清除授权'); });

    function _saveBgmTokenResponse(data) {
        if (!data?.access_token) return false;
        setBgmToken(data.access_token);
        if (data.refresh_token) GM_setValue('bgm_share_refresh_token', data.refresh_token);
        if (data.expires_in) GM_setValue('bgm_share_token_expiry', Date.now() + data.expires_in * 1000);
        return true;
    }

    function _showOAuthToast(msg, ok = true) {
        const toast = document.createElement('div');
        toast.textContent = msg;
        toast.style.cssText = `position:fixed;top:20px;right:20px;background:${ok ? '#F09199' : '#888'};color:#fff;padding:10px 20px;border-radius:8px;font-size:14px;z-index:100002;box-shadow:0 4px 12px rgba(0,0,0,0.3);`;
        document.body.appendChild(toast);
        setTimeout(() => toast.remove(), 3000);
    }

    function checkOAuthCallback() {
        if (window.location.pathname !== '/rakuen') return;
        const params = new URLSearchParams(window.location.search);
        const code = params.get('code');
        if (!code) return;
        history.replaceState(null, '', '/rakuen');
        GM_xmlhttpRequest({
            method: 'POST',
            url: BGM_TOKEN_PROXY,
            headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
            data: new URLSearchParams({
                grant_type: 'authorization_code',
                code,
            }).toString(),
            onload: res => {
                try {
                    const data = JSON.parse(res.responseText);
                    if (_saveBgmTokenResponse(data)) {
                        window.close();
                    } else {
                        _showOAuthToast('✗ 授权失败:' + (data.error_description || data.error || '未知错误'), false);
                    }
                } catch { _showOAuthToast('✗ 授权响应解析失败', false); }
            },
            onerror: () => _showOAuthToast('✗ 授权请求失败', false)
        });
    }

    function refreshBgmTokenIfNeeded() {
        const expiry = GM_getValue('bgm_share_token_expiry', 0);
        const refreshToken = GM_getValue('bgm_share_refresh_token', '');
        if (!refreshToken || !expiry) return;
        if (Date.now() < expiry - 86400000) return; // 超过剩余 1 天才刷新
        GM_xmlhttpRequest({
            method: 'POST',
            url: BGM_TOKEN_PROXY,
            headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
            data: new URLSearchParams({
                grant_type: 'refresh_token',
                refresh_token: refreshToken,
            }).toString(),
            onload: res => {
                try { _saveBgmTokenResponse(JSON.parse(res.responseText)); } catch {}
            }
        });
    }
    // =================================================

    const style = document.createElement('style');
    style.innerHTML = `
        #bgm-share-overlay {
            position: fixed; top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(0,0,0,0.85); display: none; justify-content: center;
            align-items: flex-start; overflow-y: auto; z-index: 100000;
            box-sizing: border-box;
        }
        .share-card {
            width: 420px; background: #fff; border-radius: 20px; overflow: hidden;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            box-shadow: 0 25px 60px rgba(0,0,0,0.5);
        }
        .card-top-bar { height: 6px; background: #F09199; }
        .card-header { padding: 25px 25px 15px; display: flex; align-items: center; gap: 15px; text-align: left; border-bottom: 1px solid #eee; }
        .avatar-img { width: 54px; height: 54px; border-radius: 12px; background: #eee; background-size: cover; background-position: center; border: 1px solid #f0f0f0; flex-shrink: 0; }
        .user-meta { text-align: left; }
        .user-meta .name { display: block; font-weight: bold; color: #F09199; font-size: 17px; line-height: 1.2; }
        .user-meta .time { font-size: 12px; color: #aaa; margin-top: 4px; display: block; }
        .card-body { padding: 15px 25px 25px; text-align: left; }
        .main-title { font-size: 20px; color: #111; margin: 0 0 15px 0; line-height: 1.5; font-weight: 800; }
        .topic-sub-title { font-size: 16px; color: #333; margin: 0 0 14px; font-weight: 700; line-height: 1.4; }
        .content-box { background: #fdfafb; padding: 18px; border-radius: 12px; border-left: 5px solid #F09199; }
        .content-text { font-size: 14px; color: #333; line-height: 1.8; margin: 0; word-break: break-all; font-kerning: none; }
        .tags-container { display: flex; flex-wrap: wrap; gap: 8px; }
        .share-card .tags-container { margin-top: 15px; }
        .tag-item { background: #FEEFF0; color: #F09199; font-size: 11px; padding: 4px 12px; border-radius: 20px; font-weight: bold; border: 1px solid #F0919944; }
        .card-footer { background: #f9f9f9; padding: 20px 25px; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid #eee; }
        .qr-img { width: 55px; height: 55px; background: #fff; }
        #loading-info { position: fixed; top: 55%; left: 50%; transform: translateX(-50%); color: #fff; font-size: 14px; z-index: 100001; }
        .bgm-btn-row { display: flex; gap: 16px; margin: 20px auto 0; justify-content: center; }
        .bgm-action-btn {
            width: 48px; height: 48px; padding: 0;
            background: rgba(255,255,255,0.15); color: #fff;
            border: 1.5px solid rgba(255,255,255,0.35);
            border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center;
            transition: background 0.2s, transform 0.15s, opacity 0.2s;
            position: relative;
        }
        .bgm-action-btn:hover:not(:disabled) { background: rgba(255,255,255,0.3); transform: scale(1.1); }
        .bgm-action-btn:disabled { opacity: 0.3; cursor: default; }
        .bgm-action-btn svg { display: block; }
        .bgm-action-btn::after {
            content: attr(data-tip);
            position: absolute;
            top: calc(100% + 10px);
            left: 50%;
            transform: translateX(-50%) translateY(-6px);
            background: rgba(20,20,20,0.82);
            color: #fff;
            font-size: 12px;
            padding: 5px 12px;
            border-radius: 8px;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.18s ease, transform 0.18s ease;
        }
        .bgm-action-btn:hover:not(:disabled)::after {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }

        /* ===== 暗色主题 ===== */
        .share-card.dark { background: #1e1e1e; }
        .share-card.dark .card-header { border-bottom: 1px solid rgba(255,255,255,0.1); }
        .share-card.dark .card-body { background: #1e1e1e; padding-top: 15px; }
        .share-card.dark .main-title { color: #f0f0f0; }
        .share-card.dark .topic-sub-title { color: #e0e0e0; }
        .share-card.dark .content-box { background: #2a2a2a; border-left: 5px solid #F09199; }
        .share-card.dark .content-text { color: #ddd; }
        .share-card.dark .tags-container { margin-top: 15px; }
        .share-card.dark .tag-item { background: #2a2a2a; border: 1px solid #F0919966; }
        .share-card.dark .card-footer { background: #181818; border-top: 1px solid rgba(255,255,255,0.1); }
        .share-card.dark .qr-img { background: #2a2a2a; }
        .content-text img[data-bgm-emoji]:not(.smile-dynamic) { height: 1.5em; width: auto; vertical-align: baseline; }
        .content-text img.bmoji-image { display: inline; vertical-align: baseline; }
        .content-text img.smile-dynamic { display: inline !important; height: 3em !important; width: auto !important; vertical-align: baseline; }
        .content-text img:not([data-bgm-emoji]):not(.bmoji-image):not(.smile-dynamic) { max-width: 100%; height: auto; border-radius: 4px; margin: 4px 0; display: block; }
        [data-bgm-mask] { display: inline; background-color: #555; color: #555; border-radius: 2px; padding: 0 5px; position: relative; transition: color 0.5s linear; }
    `;
    document.head.appendChild(style);

    function fetchAsBase64(url) {
        return new Promise((resolve) => {
            if (!url) { resolve(""); return; }
            const finalUrl = url.startsWith('//') ? 'https:' + url : url;
            GM_xmlhttpRequest({
                method: "GET", url: finalUrl, responseType: "blob",
                onload: (res) => {
                    const reader = new FileReader();
                    reader.onloadend = () => resolve(reader.result);
                    reader.readAsDataURL(res.response);
                },
                onerror: () => resolve("")
            });
        });
    }

    async function inlineImages(html) {
        if (!html) return html;
        const div = document.createElement('div');
        div.innerHTML = html;
        div.querySelectorAll('.embed-play-btn, .embed-player-wrapper, iframe, #catfish_likes_grid').forEach(el => el.remove());
        div.querySelectorAll('p').forEach(el => { if (!el.textContent.trim() && !el.querySelector('img')) el.remove(); });
        // Remove <br> immediately after non-emoji images (avoids blank line below image)
        div.querySelectorAll('img:not([smileid]):not([data-bgm-emoji])').forEach(img => {
            let next = img.nextSibling;
            while (next && next.nodeType === 3 && !next.textContent.trim()) next = next.nextSibling;
            if (next && next.nodeName === 'BR') next.remove();
        });
        div.querySelectorAll('.text_mask').forEach(el => { el.removeAttribute('style'); el.classList.remove('text_mask'); el.dataset.bgmMask = '1'; });
        let imgs = [...div.querySelectorAll('img')];
        imgs.forEach(img => {
            if (img.hasAttribute('smileid') || /\/smiles\//.test(img.src)) {
                img.setAttribute('data-bgm-emoji', '1');
            }
        });
        const contentImgs = imgs.filter(img =>
            !img.hasAttribute('data-bgm-emoji') &&
            !img.classList.contains('bmoji-image') &&
            !img.classList.contains('smile-dynamic')
        );
        if (CARD_CONTENT_IMAGE_LIMIT >= 0 && contentImgs.length > CARD_CONTENT_IMAGE_LIMIT) {
            const omitted = contentImgs.length - CARD_CONTENT_IMAGE_LIMIT;
            contentImgs.slice(CARD_CONTENT_IMAGE_LIMIT).forEach(img => img.remove());
            const omittedTip = document.createElement('div');
            omittedTip.style.cssText = 'font-size:12px;color:#999;margin-top:6px;';
            omittedTip.textContent = `还有 ${omitted} 张图片已省略`;
            div.appendChild(omittedTip);
            imgs = [...div.querySelectorAll('img')];
        }
        if (imgs.length > 0) {
            const base64s = await Promise.all(imgs.map(img => fetchAsBase64(img.src)));
            imgs.forEach((img, i) => { if (base64s[i]) img.src = base64s[i]; });
        }
        return div.innerHTML;
    }

    async function getPageTags(contentDoc) {
        const contentWin = contentDoc.defaultView || window;
        const pathname = contentWin.location.pathname;
        const isBlog = /\/blog\/\d+/.test(pathname);
        const isEpisode = /\/ep\/\d+/.test(pathname);
        const isCharacter = /\/character\/\d+|\/rakuen\/topic\/crt\/\d+/.test(pathname);
        const isPerson = /\/person\/\d+|\/rakuen\/topic\/prsn\/\d+/.test(pathname);
        const isSubject = /^\/subject\/\d+$/.test(pathname);
        if (isSubject) {
            const subjectIdMatch = pathname.match(/\/subject\/(\d+)/);
            if (subjectIdMatch) {
                const subjectData = await fetchSubjectDataById(subjectIdMatch[1]);
                if (subjectData?.type) return [subjectData.type];
            }
            return ['作品'];
        }
        if (isEpisode) {
            const epIdMatch = pathname.match(/\/ep\/(\d+)/);
            const replyCount = contentDoc.querySelectorAll('[id^="post_"]').length;
            if (epIdMatch) {
                const epData = await fetchEpisodeData(epIdMatch[1]);
                if (epData?.subjectName) return [epData.subjectName, `${replyCount} 回复`];
            }
            return [`${replyCount} 回复`];
        }
        if (isBlog) {
            const subjectNames = [...new Set(
                [...contentDoc.querySelectorAll('a')]
                    .filter(a => /\/subject\/\d+$/.test(a.href) && a.textContent.trim())
                    .map(a => a.textContent.trim())
            )];
            const replyCount = contentDoc.querySelectorAll('[id^="post_"]').length;
            // Single subject: name moves to main title, skip it from tags
            const tagSubjects = subjectNames.length === 1 ? [] : subjectNames;
            return [...tagSubjects, `${replyCount} 回复`, '日志'];
        }
        if (isCharacter) {
            const replyCount = contentDoc.querySelectorAll('[id^="post_"]').length;
            const crtMatch = pathname.match(/\/rakuen\/topic\/crt\/(\d+)/);
            if (crtMatch) {
                const [subjects, persons] = await Promise.all([
                    fetchBangumiAPI(`characters/${crtMatch[1]}/subjects`),
                    fetchBangumiAPI(`characters/${crtMatch[1]}/persons`)
                ]);
                const staffPriority = { '主角': 0, '配角': 1, '客串': 2 };
                const typePriorityApi = { 2: 0, 4: 1 };
                const scored = (subjects || []).map(s => ({
                    name: s.name_cn || s.name,
                    rp: staffPriority[s.staff] ?? 99,
                    tp: typePriorityApi[s.type] ?? 99
                })).sort((a, b) => a.rp !== b.rp ? a.rp - b.rp : a.tp - b.tp);
                const subjectNames = [...new Set(scored.map(s => s.name))].slice(0, 2);
                const cvNames = [...new Set((persons || []).filter(p => p.type === 1).map(p => p.name))];
                const tags = [];
                if (cvNames.length) tags.push('!CV: ' + cvNames.join(' / '));
                tags.push(...subjectNames);
                tags.push(`${replyCount} 回复`);
                return tags;
            }
            const cvNames = [...new Set(
                [...contentDoc.querySelectorAll('.browserList .badge_actor h3 a')]
                    .map(a => a.textContent.trim()).filter(Boolean)
            )];
            const rolePriority = { '1': 0, '2': 1, '3': 2 };
            const typePriority = { '2': 0, '3': 1 };
            const scoredItems = [...contentDoc.querySelectorAll('.browserList .item')].map(item => {
                const nameEl = item.querySelector('.innerLeftItem h3 a.l');
                if (!nameEl) return null;
                const roleAttr = item.querySelector('.badge_job[attr-crt-type]')?.getAttribute('attr-crt-type') || '99';
                const typeMatch = item.querySelector('.ico_subject_type')?.className.match(/subject_type_(\d+)/);
                const typeNum = typeMatch ? typeMatch[1] : '99';
                return { name: nameEl.textContent.trim(), rp: rolePriority[roleAttr] ?? 99, tp: typePriority[typeNum] ?? 99 };
            }).filter(Boolean);
            scoredItems.sort((a, b) => a.rp !== b.rp ? a.rp - b.rp : a.tp - b.tp);
            const subjectNames = [...new Set(scoredItems.map(s => s.name))].slice(0, 2);
            const tags = [];
            if (cvNames.length) tags.push('!CV: ' + cvNames.join(' / '));
            tags.push(...subjectNames);
            tags.push(`${replyCount} 回复`);
            return tags;
        }
        if (isPerson) {
            const replyCount = contentDoc.querySelectorAll('[id^="post_"]').length;
            const personIdMatch = pathname.match(/\/rakuen\/topic\/prsn\/(\d+)/) || pathname.match(/\/person\/(\d+)/);
            if (personIdMatch) {
                const workTags = await fetchPersonWorkTags(personIdMatch[1]);
                return [...workTags, `${replyCount} 回复`];
            }
        }
        const groupLink = contentDoc.querySelector('a.avatar[href^="/group/"]');
        let groupName = '';
        if (groupLink) {
            groupLink.childNodes.forEach(n => { if (n.nodeType === 3) groupName += n.textContent.trim(); });
        }
        if (!groupName) {
            const subjectLink = contentDoc.querySelector('#pageHeader a[href^="/subject/"]')
                || contentDoc.querySelector('a[href^="/subject/"]');
            if (subjectLink) groupName = subjectLink.textContent.trim();
        }
        const replyCount = Math.max(0, contentDoc.querySelectorAll('[id^="post_"]').length - 1);
        return [groupName || 'Bangumi', `${replyCount} 回复`];
    }

    async function getAITags(title, content, contentDoc) {
        const apiKey = GM_getValue('bgm_share_ai_key', '');
        const apiUrl = GM_getValue('bgm_share_ai_url', '');
        const model = GM_getValue('bgm_share_ai_model', '') || 'gpt-3.5-turbo';
        if (!apiKey || !apiUrl) return getPageTags(contentDoc);
        return new Promise((resolve) => {
            const prompt = `根据标题和内容生成3个短标签,只要标签名,空格隔开。内容:${title} ${content.substring(0, 150)}`;
            GM_xmlhttpRequest({
                method: "POST", url: apiUrl,
                headers: { "Content-Type": "application/json", "Authorization": `Bearer ${apiKey}` },
                data: JSON.stringify({ model, messages: [{ role: "user", content: prompt }], temperature: 0.5 }),
                onload: (res) => {
                    try {
                        const tags = JSON.parse(res.responseText).choices[0].message.content.trim().split(/\s+/).slice(0, 3);
                        resolve(tags);
                    } catch (e) { resolve(getPageTags(contentDoc)); }
                },
                onerror: () => resolve(getPageTags(contentDoc))
            });
        });
    }

    // contentDoc: the document containing the topic (may be an iframe's doc on Rakuen)
    // Overlay is always rendered in the outer document (where GM functions are available)
    async function _doShareCard({ username, postTime, avatarUrl, contentEl, pureTitle, contentDoc, contentWin, dark,
                                   replies = [], replyId = '', charImageUrl = '', badgeLabel = '', overrideTags = null, topicTitle = '', noCardTitle = false, shareTitle = '' }) {
        if (document.getElementById('bgm-share-overlay')) return;
        if (typeof html2canvas === 'undefined') {
            alert("截图库加载失败,请刷新页面或检查网络。");
            return;
        }

        const loading = document.createElement('div');
        loading.innerHTML = '<div id="bgm-share-overlay" style="display:flex"><div id="loading-info">AI 正在提炼标签...</div></div>';
        document.body.appendChild(loading);

        let fullContent = "";
        let displayContentHtml = "";
        if (contentEl) {
            const toHide = contentEl.querySelectorAll('.forum_category, #catfish_likes_grid, .embed-play-btn');
            toHide.forEach(el => el.style.display = 'none');
            const computedHidden = [...contentEl.querySelectorAll('*')].filter(el => {
                const cs = getComputedStyle(el);
                return cs.display === 'none' || cs.visibility === 'hidden';
            });
            computedHidden.forEach(el => { el.dataset.hiddenSnapshot = '1'; el.style.display = 'none'; });
            fullContent = contentEl.innerText?.trim() || "";
            const fullHtml = contentEl.innerHTML?.trim() || "";
            computedHidden.forEach(el => { delete el.dataset.hiddenSnapshot; el.style.display = ''; });
            toHide.forEach(el => el.style.display = '');
            const lim = replies.length > 0 ? 200 : 300;
            displayContentHtml = fullContent.length > lim ? truncateHtml(fullHtml, lim) : fullHtml;
        }
        const currentFullUrl = contentWin.location.origin + contentWin.location.pathname;
        const shareUrl = replyId ? currentFullUrl + '#' + replyId : currentFullUrl;
        const displayUrl = currentFullUrl.replace(/^https?:\/\//, '');

        const [tags, base64Avatar, base64CharImage, base64QR, ...base64ReplyAvatars] = await Promise.all([
            overrideTags ? Promise.resolve(overrideTags) : getAITags(pureTitle, fullContent, contentDoc),
            fetchAsBase64(avatarUrl),
            fetchAsBase64(charImageUrl),
            fetchAsBase64(`https://api.qrserver.com/v1/create-qr-code/?size=150x150&data=${encodeURIComponent(shareUrl)}${dark ? '&color=F09199&bgcolor=2a2a2a' : ''}`),
            ...replies.map(r => fetchAsBase64(r.avatarUrl))
        ]);

        const [inlinedMainContent, ...inlinedReplyContents] = await Promise.all([
            inlineImages(displayContentHtml),
            ...replies.map(r => inlineImages(r.contentHtml || r.content))
        ]);

        const tagsHtml = tags.map(tag => tag.startsWith('!') ? `<span class="tag-item">${tag.slice(1)}</span>` : `<span class="tag-item"># ${tag}</span>`).join('');
        const divider = dark ? 'rgba(255,255,255,0.1)' : '#eee';
        const hasMainContent = !!inlinedMainContent || !!username;
        const renderLevel = (idx) => {
            if (idx >= replies.length) return '';
            const r = replies[idx];
            const b64 = base64ReplyAvatars[idx];
            const avatarSize = Math.max(24, 36 - idx * 4);
            const suppressGap = base64CharImage && !topicTitle && !inlinedMainContent && !username;
            const topStyle = idx === 0
                ? `margin-top:${suppressGap ? '0' : '14'}px;padding-top:${suppressGap ? '0' : '14'}px;${hasMainContent ? `border-top:1px solid ${divider};` : ''}`
                : `margin-top:10px;padding-left:14px;border-left:3px solid ${dark ? '#F0919955' : '#F0919933'};`;
            const inner = idx + 1 < replies.length ? `<div style="margin-top:10px;">${renderLevel(idx + 1)}</div>` : '';
            return `<div style="${topStyle}">
                <div style="display:flex;align-items:center;gap:8px;margin-bottom:8px;">
                    <img src="${b64}" style="width:${avatarSize}px;height:${avatarSize}px;border-radius:${idx === 0 ? '9' : '7'}px;object-fit:cover;border:1px solid ${dark ? '#444' : '#f0f0f0'};">
                    <span style="font-weight:bold;color:#F09199;font-size:${15 - idx}px;">${r.username}</span>
                    ${r.rating ? `<span style="color:${dark ? '#f5c842' : '#e6a800'};font-size:${12 - idx}px;font-weight:bold;">★ ${r.rating}</span>` : ''}
                    <span style="color:#aaa;font-size:${12 - idx}px;">${r.time}</span>
                </div>
                <div class="content-box"><div class="content-text" style="font-size:${14 - idx}px;">${inlinedReplyContents[idx]}</div></div>
                ${inner}
            </div>`;
        };
        const replySection = replies.length > 0 ? renderLevel(0) : '';
        loading.remove();

        const overlay = document.createElement('div');
        overlay.id = 'bgm-share-overlay';
        overlay.style.display = 'flex';
        const notice = _shareNotice;
        _shareNotice = '';
        overlay.innerHTML = `
            <div style="display:flex; flex-direction:column; align-items:center; margin: auto; padding: 30px 0 50px;">
            <div style="position:relative;">
            ${notice ? `<div id="bgm-share-notice" style="position:absolute;bottom:calc(100% + 14px);left:50%;transform:translateX(-50%);background:rgba(30,30,30,0.9);border:1px solid #F09199;color:#F09199;padding:10px 20px;border-radius:10px;font-size:13px;white-space:nowrap;opacity:0;transition:opacity 0.4s;pointer-events:none;">⚠ ${notice}</div>` : ''}
            <div id="capture-area" style="padding: 4px; background: transparent;">
                <div class="share-card${dark ? ' dark' : ''}">
                    <div class="card-top-bar"></div>
                    ${base64CharImage ? `<div style="display:flex;align-items:stretch;"><div style="flex:1;padding:22px 20px 14px 25px;display:flex;flex-direction:column;justify-content:center;min-height:150px;position:relative;"><div style="font-size:22px;font-weight:800;color:${dark ? '#f0f0f0' : '#111'};line-height:1.3;">${pureTitle}</div><div style="margin-top:10px;"><span style="background:${dark ? '#2a2a2a' : '#FEEFF0'};color:#F09199;font-size:11px;padding:3px 10px;border-radius:20px;font-weight:bold;border:1px solid ${dark ? '#F0919966' : '#F0919944'};">${badgeLabel}</span></div><div style="position:absolute;bottom:0;left:25px;right:0;height:1px;background:linear-gradient(to right,${dark ? 'rgba(255,255,255,0.15)' : '#ddd'} 0%,${dark ? 'rgba(255,255,255,0.15)' : '#ddd'} 60%,transparent 100%);"></div></div><div style="position:relative;width:130px;flex-shrink:0;min-height:150px;overflow:hidden;background-color:${dark ? '#2a2a2a' : '#f9f5f5'};"><div style="position:absolute;top:0;left:0;right:0;bottom:0;background-image:url('${base64CharImage}');background-size:cover;background-position:center top;background-repeat:no-repeat;"></div><div style="position:absolute;top:0;left:-1px;right:0;bottom:-1px;background:linear-gradient(to right,${dark ? '#1e1e1e' : '#fff'} 0%,${dark ? 'rgba(30,30,30,0)' : 'rgba(255,255,255,0)'} 20%),linear-gradient(to top,${dark ? '#1e1e1e' : '#fff'} 0%,${dark ? 'rgba(30,30,30,0)' : 'rgba(255,255,255,0)'} 20%);"></div></div></div>` : badgeLabel ? `<div style="padding:22px 25px 14px;position:relative;"><div style="font-size:22px;font-weight:800;color:${dark ? '#f0f0f0' : '#111'};line-height:1.3;">${pureTitle}</div><div style="margin-top:10px;"><span style="background:${dark ? '#2a2a2a' : '#FEEFF0'};color:#F09199;font-size:11px;padding:3px 10px;border-radius:20px;font-weight:bold;border:1px solid ${dark ? '#F0919966' : '#F0919944'};">${badgeLabel}</span></div><div style="position:absolute;bottom:0;left:25px;right:25px;height:1px;background:${dark ? 'rgba(255,255,255,0.1)' : '#eee'};"></div></div>` : ''}
                    ${username ? `<div class="card-header" style="">
                        <img class="avatar-img" src="${base64Avatar}">
                        <div class="user-meta">
                            <span class="name">${username}</span>
                            <span class="time">${postTime}</span>
                        </div>
                    </div>` : ''}
                    <div class="card-body">
                        ${(base64CharImage || badgeLabel || noCardTitle) ? '' : `<h1 class="main-title">${pureTitle}</h1>`}
                        ${topicTitle ? `<h2 class="topic-sub-title">${topicTitle}</h2>` : ''}
                        ${inlinedMainContent ? `<div class="content-box"><div class="content-text">${inlinedMainContent}</div></div>` : ''}
                        ${replySection}
                        <div class="tags-container">${tagsHtml}</div>
                    </div>
                    <div class="card-footer">
                        <div style="text-align:left">
                            <div style="font-size:14px; font-weight:bold; color:#F09199">Bangumi 番组计划</div>
                            <div style="font-size:10px; color:${dark ? '#888' : '#aaa'}; margin-top:2px;">${displayUrl}</div>
                        </div>
                        <img class="qr-img" src="${base64QR}">
                    </div>
                </div>
            </div>
            </div>
            <div class="bgm-btn-row">
                <button id="bgm-copy-btn" class="bgm-action-btn" disabled data-tip="复制图片">
                    <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="9" y="9" width="13" height="13" rx="2"/><path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"/></svg>
                </button>
                <button id="bgm-download-btn" class="bgm-action-btn" disabled data-tip="下载图片">
                    <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
                </button>
                <button id="bgm-text-btn" class="bgm-action-btn" data-tip="复制文案">
                    <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="16" y1="13" x2="8" y2="13"/><line x1="16" y1="17" x2="8" y2="17"/><polyline points="10 9 9 9 8 9"/></svg>
                </button>
                <button id="bgm-mask-btn" class="bgm-action-btn" data-tip="显示剧透">
                    <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"/><circle cx="12" cy="12" r="3"/></svg>
                </button>
            </div>
            </div>
        `;
        document.body.appendChild(overlay);
        const noticeEl = document.getElementById('bgm-share-notice');
        if (noticeEl) {
            requestAnimationFrame(() => requestAnimationFrame(() => { noticeEl.style.opacity = '1'; }));
            setTimeout(() => { noticeEl.style.opacity = '0'; setTimeout(() => noticeEl.remove(), 400); }, 4000);
        }

        let cancelled = false;
        let maskRevealed = false;
        let currentCanvas = null;

        const maskPreviewStyle = document.createElement('style');
        document.head.appendChild(maskPreviewStyle);

        const copyBtn = document.getElementById('bgm-copy-btn');
        const downloadBtn = document.getElementById('bgm-download-btn');

        const hasMask = !!document.querySelector('#capture-area [data-bgm-mask]');
        if (!hasMask) document.getElementById('bgm-mask-btn').style.display = 'none';

        const updateMaskPreview = () => {
            maskPreviewStyle.textContent = maskRevealed
                ? '#capture-area [data-bgm-mask] { color: #fff !important; }'
                : '';
            const btn = document.getElementById('bgm-mask-btn');
            if (btn) btn.setAttribute('data-tip', maskRevealed ? '遮住剧透' : '显示剧透');
        };
        updateMaskPreview();

        overlay.addEventListener('click', (e) => {
            if (e.target === overlay) {
                cancelled = true;
                maskPreviewStyle.remove();
                overlay.remove();
            }
        });

        const showToast = (msg) => {
            const toast = document.createElement('div');
            toast.textContent = msg;
            toast.style.cssText = 'position:fixed;bottom:40px;left:50%;transform:translateX(-50%);background:#333;color:#fff;padding:8px 20px;border-radius:20px;font-size:14px;z-index:100002;opacity:1;transition:opacity 0.5s';
            document.body.appendChild(toast);
            setTimeout(() => { toast.style.opacity = '0'; setTimeout(() => toast.remove(), 500); }, 1800);
        };

        document.getElementById('bgm-text-btn').addEventListener('click', async () => {
            const shareText = `【链接】${shareTitle || topicTitle || pureTitle} | Bangumi番组计划\n${shareUrl}`;
            try {
                await navigator.clipboard.writeText(shareText);
                showToast('✓ 文案已复制');
            } catch (e) {
                showToast('✗ 复制失败');
            }
        });

        document.getElementById('bgm-mask-btn').addEventListener('click', () => {
            maskRevealed = !maskRevealed;
            updateMaskPreview();
            doCapture();
        });

        copyBtn.addEventListener('click', async () => {
            if (!currentCanvas) return;
            try {
                const blob = await new Promise(resolve => currentCanvas.toBlob(resolve, 'image/png'));
                await navigator.clipboard.write([new ClipboardItem({ 'image/png': blob })]);
                showToast('✓ 已复制到剪贴板');
            } catch (e) {
                showToast('✗ 复制失败,请改用下载');
            }
        });

        downloadBtn.addEventListener('click', () => {
            if (!currentCanvas) return;
            const link = document.createElement('a');
            link.download = `BGM_Share_${username}.png`;
            link.href = currentCanvas.toDataURL('image/png');
            link.click();
        });

        const doCapture = async () => {
            if (cancelled) return;
            copyBtn.disabled = true;
            downloadBtn.disabled = true;
            let canvas;
            let iframe = null;
            try {
                const timeout = new Promise((_, reject) => setTimeout(() => reject(new Error('timeout')), 10000));
                const captureEl = document.querySelector('#capture-area');

                iframe = document.createElement('iframe');
                iframe.style.cssText = 'position:fixed;top:0;left:0;border:0;opacity:0;pointer-events:none;z-index:99999;';
                iframe.style.width = captureEl.offsetWidth + 'px';
                iframe.style.height = captureEl.offsetHeight + 'px';
                document.body.appendChild(iframe);

                const iDoc = iframe.contentDocument;
                const iStyle = iDoc.createElement('style');
                const maskCss = maskRevealed ? '[data-bgm-mask] { color: #fff !important; }' : '';
                const sampleLink = contentDoc.querySelector('.topic_content a[href], #entry_content a[href], .message a[href], .statusContent .text a[href], .subReply a.l[href]')
                    || contentDoc.querySelector('a[href^="http"]')
                    || contentDoc.querySelector('a[href]');
                const rawLinkColor = sampleLink ? getComputedStyle(sampleLink).color : '';
                const linkColor = rawLinkColor && rawLinkColor !== 'rgba(0, 0, 0, 0)' && rawLinkColor !== 'transparent'
                    ? rawLinkColor : (dark ? '#8ec8e8' : '#0066cc');
                const sampleLinkDecoration = sampleLink ? getComputedStyle(sampleLink).textDecorationLine : 'none';
                let quoteCss = '';
                try {
                    for (const sheet of document.styleSheets) {
                        try {
                            for (const rule of sheet.cssRules) {
                                if (rule.selectorText && /\.quote/.test(rule.selectorText)) {
                                    quoteCss += rule.cssText + '\n';
                                    // Also add ancestor-stripped version to ensure match inside card
                                    const sel = rule.selectorText.split(',').map(s => {
                                        const i = s.indexOf('.quote');
                                        return i >= 0 ? s.slice(i).trim() : s.trim();
                                    }).join(',');
                                    if (sel !== rule.selectorText.trim()) {
                                        quoteCss += `${sel}{${rule.style.cssText}}\n`;
                                    }
                                }
                            }
                        } catch (e) { /* cross-origin sheet */ }
                    }
                } catch (e) {}
                // Sync quote and body text colors from actual page computed styles
                try {
                    const cw = contentDoc.defaultView || window;
                    const sampleQuoteQ = contentDoc.querySelector('.quote q');
                    const sampleBody = contentDoc.querySelector('.cmt_sub_content') || contentDoc.querySelector('.reply_content .message') || contentDoc.querySelector('.topic_content');
                    if (sampleQuoteQ) {
                        const quoteColor = cw.getComputedStyle(sampleQuoteQ).color;
                        if (quoteColor) quoteCss += `.quote,.quote q{color:${quoteColor} !important;}`;
                    }
                    if (sampleBody) {
                        const bodyColor = cw.getComputedStyle(sampleBody).color;
                        if (bodyColor) quoteCss += `.content-text{color:${bodyColor} !important;}`;
                    }
                } catch (e) {}
                iStyle.textContent = style.innerHTML + maskCss + quoteCss + ` a { color: ${linkColor} !important; text-decoration: ${sampleLinkDecoration}; } span[style*="line-through"], span[style*="line-through"] * { text-decoration: line-through !important; text-decoration-color: white !important; }`;
                iDoc.head.appendChild(iStyle);
                iDoc.body.style.cssText = 'margin:0;padding:0;background:transparent;display:inline-block;';
                iDoc.body.innerHTML = captureEl.innerHTML;

                await new Promise(r => requestAnimationFrame(() => requestAnimationFrame(r)));

                // html2canvas renders inline backgrounds as full-width blocks; replace each
                // [data-bgm-mask] background with precisely-positioned absolute overlays
                // matching the actual per-line text rects from getClientRects().
                const captureRoot = iDoc.body.firstElementChild;
                captureRoot.style.position = 'relative';
                const rootRect = captureRoot.getBoundingClientRect();
                iDoc.querySelectorAll('[data-bgm-mask]').forEach(el => {
                    Array.from(el.getClientRects()).forEach(rect => {
                        const ov = iDoc.createElement('div');
                        ov.style.cssText = `position:absolute;left:${rect.left - rootRect.left}px;top:${rect.top - rootRect.top}px;width:${rect.width}px;height:${rect.height}px;background-color:#555;border-radius:2px;pointer-events:none;`;
                        // Revealed: overlay behind text (prepend); Hidden: overlay on top (append)
                        if (maskRevealed) captureRoot.insertBefore(ov, captureRoot.firstChild);
                        else captureRoot.appendChild(ov);
                    });
                    el.style.backgroundColor = 'transparent';
                    el.style.backgroundImage = 'none';
                });

                // html2canvas undercounts advance widths for full-width CJK punctuation (《(【etc.)
                // because canvas.measureText() returns only the glyph width, not the full advance.
                // Wrapping each as display:inline-block with width:1em forces html2canvas to read
                // the DOM layout box instead of measureText, giving the correct advance.
                const CJK_PUNCT_RE = /[《》〈〉「」【】〔〕〖〗(){}]/;
                const CJK_PUNCT_SPLIT_RE = /(《|》|〈|〉|「|」|【|】|〔|〕|〖|〗|(|)|{|})/u;
                iDoc.querySelectorAll('.content-text').forEach(contentEl => {
                    const walker = document.createTreeWalker(contentEl, NodeFilter.SHOW_TEXT, null);
                    const textNodes = [];
                    let tn;
                    while (tn = walker.nextNode()) {
                        if (CJK_PUNCT_RE.test(tn.textContent)) textNodes.push(tn);
                    }
                    textNodes.forEach(tn => {
                        const parts = tn.textContent.split(CJK_PUNCT_SPLIT_RE);
                        if (parts.length <= 1) return;
                        const frag = iDoc.createDocumentFragment();
                        parts.forEach(part => {
                            if (!part) return;
                            if (CJK_PUNCT_RE.test(part) && part.length === 1) {
                                const sp = iDoc.createElement('span');
                                sp.style.cssText = 'display:inline-block;width:1em;text-align:center;';
                                sp.textContent = part;
                                frag.appendChild(sp);
                            } else {
                                frag.appendChild(iDoc.createTextNode(part));
                            }
                        });
                        tn.parentNode.replaceChild(frag, tn);
                    });
                });

                canvas = await Promise.race([
                    html2canvas(iDoc.body.firstElementChild, { scale: 2, backgroundColor: null }),
                    timeout
                ]);

                // 裁掉底部全透明行(inline-block baseline gap 产生的透明条)
                const imgData = canvas.getContext('2d').getImageData(0, 0, canvas.width, canvas.height).data;
                let trimH = canvas.height;
                for (let y = canvas.height - 1; y >= 0; y--) {
                    let opaque = false;
                    for (let x = 0; x < canvas.width; x++) {
                        if (imgData[(y * canvas.width + x) * 4 + 3] > 0) { opaque = true; break; }
                    }
                    if (opaque) { trimH = y + 1; break; }
                }
                if (trimH < canvas.height) {
                    const trimmed = document.createElement('canvas');
                    trimmed.width = canvas.width;
                    trimmed.height = trimH;
                    trimmed.getContext('2d').drawImage(canvas, 0, 0);
                    canvas = trimmed;
                }
            } catch (e) {
                iframe?.remove();
                showToast('✗ 截图失败,请刷新后重试');
                return;
            }
            iframe?.remove();
            if (cancelled) return;
            currentCanvas = canvas;
            copyBtn.disabled = false;
            downloadBtn.disabled = false;
        };

        setTimeout(() => doCapture(), 800);
    }

    function extractCharImageUrl(contentDoc) {
        const link = contentDoc.querySelector('#columnCrtA a.thickbox')
            || contentDoc.querySelector('a.thickbox[href*="/pic/crt/"]')
            || contentDoc.querySelector('a.thickbox[href*="/pic/user/"]');
        if (link?.href) return link.href;
        const img = contentDoc.querySelector('#columnCrtA img')
            || contentDoc.querySelector('#crt_cover img')
            || contentDoc.querySelector('img[src*="/pic/crt/l/"]')
            || contentDoc.querySelector('img[src*="/pic/user/l/"]')
            || contentDoc.querySelector('img[src*="/pic/crt/m/"]');
        return img?.src || '';
    }

    async function fetchPersonWorkTags(personId) {
        const staffPriority = { '主角': 0, '配角': 1, '客串': 2 };
        const typePriority = { 2: 0, 4: 1 };
        const chars = await fetchBangumiAPI(`persons/${personId}/characters`);
        if (chars && chars.length) {
            const charMap = new Map();
            for (const c of chars) {
                const rp = staffPriority[c.staff] ?? 99;
                const tp = typePriority[c.subject_type] ?? 99;
                const existing = charMap.get(c.id);
                if (!existing || rp < existing.rp || (rp === existing.rp && tp < existing.tp)) {
                    charMap.set(c.id, { charName: c.name, workName: c.subject_name_cn || c.subject_name, rp, tp });
                }
            }
            return [...charMap.values()]
                .sort((a, b) => a.rp !== b.rp ? a.rp - b.rp : a.tp - b.tp)
                .slice(0, 2)
                .map(c => `${c.charName} - ${c.workName}`);
        }
        const subjects = await fetchBangumiAPI(`persons/${personId}/subjects`);
        if (subjects && subjects.length) {
            const staffOrder = [
                // 核心创作
                '监督', '原案', '原作', '系列构成', '脚本', '剧本', '编剧', '企画',
                // 人设/美术
                '人物设计', '总作画监督', '作画监督', '作画监督助理', '监修', '设定协力',
                // 动画制作
                '演出', '分镜', '原画', '主动画师', '作画', '第二原画', '补间动画', '动画',
                // 音乐
                '音乐', '作曲', '编曲', '作词', '主题歌演出', '主题歌作曲', '主题歌编曲', '母带制作', '艺术家',
                // 技术/制作
                '音响监督', '摄影监督', '色彩设计', '美术监督', '制作人', '监制', '执行制片人', '协力',
                // 出演
                '主演', '配角', '出演', '客串'
            ];
            const staffRank = (staff) => { const i = staffOrder.indexOf(staff); return i === -1 ? staffOrder.length : i; };
            const seen = new Set();
            const seenStaff = new Set();
            const result = [];
            for (const s of [...subjects].sort((a, b) => {
                const sr = staffRank(a.staff) - staffRank(b.staff);
                if (sr !== 0) return sr;
                return (typePriority[a.type] ?? 99) - (typePriority[b.type] ?? 99);
            })) {
                const name = s.name_cn || s.name;
                if (name && !seen.has(s.id) && !seenStaff.has(s.staff)) {
                    seen.add(s.id);
                    seenStaff.add(s.staff);
                    result.push(s.staff ? `${s.staff} - ${name}` : name);
                }
                if (result.length >= 2) break;
            }
            return result;
        }
        return [];
    }

    function fetchBangumiAPI(path) {
        const token = getBgmToken();
        return new Promise(resolve => {
            GM_xmlhttpRequest({
                method: 'GET',
                url: 'https://api.bgm.tv/v0/' + path,
                headers: { 'Accept': 'application/json', ...(token ? { 'Authorization': `Bearer ${token}` } : {}) },
                onload: res => {
                    if (res.status === 401) clearBgmToken();
                    if (res.status !== 200) { resolve(null); return; }
                    try { resolve(JSON.parse(res.responseText)); } catch { resolve(null); }
                },
                onerror: () => resolve(null)
            });
        });
    }

    async function getRakuenCharPersonData(pathname) {
        const crtMatch = pathname.match(/\/rakuen\/topic\/crt\/(\d+)/);
        const prsnMatch = pathname.match(/\/rakuen\/topic\/prsn\/(\d+)/);
        if (!crtMatch && !prsnMatch) return null;
        const id = (crtMatch || prsnMatch)[1];
        const type = crtMatch ? 'characters' : 'persons';
        const data = await fetchBangumiAPI(`${type}/${id}`);
        if (!data) return null;
        const imageUrl = data.images?.large || data.images?.medium || '';
        const name = data.name || '';
        const careerMap = { producer: '制作人', mangaka: '漫画家', artist: '画师', seiyu: '声优', writer: '作者', illustrator: '插画师', actor: '演员' };
        const badgeLabel = crtMatch ? '角色' : ((data.career || []).map(c => careerMap[c]).filter(Boolean).join(' ') || '人物');
        return { imageUrl, name, badgeLabel, id, type };
    }

    const _episodeDataCache = {};
    async function fetchEpisodeData(episodeId) {
        if (_episodeDataCache[episodeId]) {
            if (_episodeDataCache[episodeId]._domFallback) _shareNotice = 'NSFW 条目 API 无权访问,已降级为页面数据,部分信息可能不完整';
            return _episodeDataCache[episodeId];
        }
        const ep = await fetchBangumiAPI(`episodes/${episodeId}`);
        if (!ep) {
            _shareNotice = 'NSFW 条目 API 无权访问,已降级为页面数据,部分信息可能不完整';
            let episodeName = '', epNumber = null;
            const epH2 = document.querySelector('h2.title');
            if (epH2) {
                let rawText = '';
                epH2.childNodes.forEach(n => { if (n.nodeType === 3) rawText += n.textContent; });
                rawText = rawText.trim();
                const epMatch = rawText.match(/^ep\.(\d+)\s*(.*)$/i);
                if (epMatch) { epNumber = parseInt(epMatch[1]); episodeName = epMatch[2].trim() || rawText; }
                else episodeName = rawText;
            }
            if (!episodeName) {
                const h1Node = document.querySelector('#pageHeader h1') || document.querySelector('h1');
                if (h1Node) h1Node.childNodes.forEach(n => { if (n.nodeType === 3) episodeName += n.textContent; });
                episodeName = episodeName.replace(/[»\n]/g, '').trim();
            }
            const subjectLink = document.querySelector('#headerSubject a[href*="/subject/"]')
                || document.querySelector('#pageHeader a[href*="/subject/"]')
                || document.querySelector('a.cover[href*="/subject/"]');
            const subjectName = subjectLink?.textContent?.trim() || '';
            const subjectImg = document.querySelector('img[src*="/pic/cover/l/"]') || document.querySelector('img[src*="/pic/cover/m/"]');
            const subjectImageUrl = subjectImg?.src || '';
            const result = { episodeName, subjectName, subjectImageUrl, epNumber, _domFallback: true };
            _episodeDataCache[episodeId] = result;
            return result;
        }
        const subject = await fetchBangumiAPI(`subjects/${ep.subject_id}`);
        let subjectName = subject?.name_cn || subject?.name || '';
        let subjectImageUrl = subject?.images?.medium || subject?.images?.common || '';
        if (!subject) {
            _shareNotice = 'NSFW 条目 API 无权访问,已降级为页面数据,部分信息可能不完整';
            const subjectLink = document.querySelector('#headerSubject a[href*="/subject/"]') || document.querySelector('a.cover[href*="/subject/"]');
            if (subjectLink) subjectName = subjectLink.textContent?.trim() || '';
            const subjectImg = document.querySelector('img[src*="/pic/cover/l/"]') || document.querySelector('img[src*="/pic/cover/m/"]');
            if (subjectImg) subjectImageUrl = subjectImg.src;
        }
        const result = {
            episodeName: ep.name_cn || ep.name || '',
            subjectName,
            subjectImageUrl,
            epNumber: ep.ep,
            _domFallback: !subject
        };
        _episodeDataCache[episodeId] = result;
        return result;
    }

    function extractSubjectDataFromDOM(subjectId, doc) {
        const h1 = doc.querySelector('#pageHeader h1');
        let name = '';
        if (h1) h1.childNodes.forEach(n => { if (n.nodeType === 3) name += n.textContent; });
        name = name.trim() || doc.title?.split(/\s*[|//]\s*/)[0].trim() || '';
        const coverA = doc.querySelector('a.thickbox[href*="/pic/cover/"]');
        const coverImg = doc.querySelector('img[src*="/pic/cover/l/"]') || doc.querySelector('img[src*="/pic/cover/m/"]') || doc.querySelector('#bangumiInfo img');
        const imageUrl = coverA?.href || coverImg?.src || '';
        const navTypeMap = { '/anime': ['动画', 2], '/book': ['书籍', 1], '/music': ['音乐', 3], '/game': ['游戏', 4], '/real': ['三次元', 6] };
        let type = '作品', typeNum = 0;
        for (const [href, [t, n]] of Object.entries(navTypeMap)) {
            if (doc.querySelector(`#navMenuNeue a[href="${href}"].focus, #navMenuNeue a[href="${href}"][class*="selected"]`)) {
                type = t; typeNum = n; break;
            }
        }
        return { name, imageUrl, type, typeNum, infobox: [] };
    }

    function getSubjectIdFromTopicPage(pathname, contentDoc) {
        const direct = pathname.match(/\/subject\/(\d+)\/topic\/\d+/);
        if (direct) return direct[1];
        if (/\/subject\/topic\/\d+/.test(pathname) || /\/rakuen\/topic\/subject\/\d+/.test(pathname)) {
            const link = contentDoc.querySelector('#pageHeader a[href^="/subject/"]')
                || contentDoc.querySelector('a.cover[href^="/subject/"]')
                || contentDoc.querySelector('a[href^="/subject/"]');
            const m = link?.getAttribute('href')?.match(/\/subject\/(\d+)/);
            if (m) return m[1];
        }
        return null;
    }

    let _shareNotice = '';
    const _subjectDataCache = {};
    async function fetchSubjectDataById(subjectId) {
        if (_subjectDataCache[subjectId]) {
            if (_subjectDataCache[subjectId]._domFallback) _shareNotice = 'NSFW 条目 API 无权访问,已降级为页面数据,部分信息可能不完整';
            return _subjectDataCache[subjectId];
        }
        const data = await fetchBangumiAPI(`subjects/${subjectId}`);
        if (!data) {
            if (new RegExp(`/subject/${subjectId}(/|$)`).test(window.location.pathname)) {
                _shareNotice = 'NSFW 条目 API 无权访问,已降级为页面数据,部分信息可能不完整';
                const result = extractSubjectDataFromDOM(subjectId, document);
                result._domFallback = true;
                _subjectDataCache[subjectId] = result;
                return result;
            }
            return null;
        }
        const typeMap = { 1: '书籍', 2: '动画', 3: '音乐', 4: '游戏', 6: '三次元' };
        const result = {
            name: data.name_cn || data.name || '',
            imageUrl: data.images?.medium || data.images?.common || '',
            type: typeMap[data.type] || '作品',
            typeNum: data.type,
            infobox: data.infobox || []
        };
        _subjectDataCache[subjectId] = result;
        return result;
    }

    function getInfoboxValue(infobox, key) {
        const entry = (infobox || []).find(e => e.key === key);
        if (!entry) return null;
        if (typeof entry.value === 'string') {
            const parts = entry.value.split(/[、\/]/).map(s => s.trim()).filter(Boolean);
            if (parts.length > 3) return parts.slice(0, 3).join(' / ') + ' 等';
            return entry.value;
        }
        if (Array.isArray(entry.value)) {
            const vals = entry.value.map(v => v.v || v).filter(Boolean);
            const limited = vals.slice(0, 3);
            return limited.join(' / ') + (vals.length > 3 ? ' 等' : '');
        }
        return null;
    }

    const SUBJECT_INFOBOX_KEYS = {
        1: ['作者', '出版社'],
        2: ['导演', '原作'],
        3: ['艺术家', '厂牌'],
        4: ['游戏类型', '开发'],
        6: ['导演', '主演']
    };

    function extractCommentItemInfo(itemEl, contentWin) {
        const userLink = itemEl.querySelector('a[href*="/user/"]');
        const username = userLink ? userLink.textContent.trim() : '未知用户';
        const userSlug = userLink ? (userLink.getAttribute('href') || '').replace('/user/', '').replace(/^\//, '') : '';
        const avatarEl = itemEl.querySelector('.avatarNeue') || itemEl.querySelector('[class*="avatar"]');
        let avatarUrl = '';
        if (avatarEl) {
            const bg = contentWin.getComputedStyle(avatarEl).backgroundImage;
            if (bg && bg !== 'none') avatarUrl = bg.replace(/url\(["']?([^"']+)["']?\)/, '$1');
            if (!avatarUrl) {
                const m = (avatarEl.getAttribute('style') || '').match(/background-image:\s*url\(["']?([^"']+)["']?\)/);
                if (m) avatarUrl = m[1];
            }
        }
        const commentEl = itemEl.querySelector('p.comment');
        const rawText = commentEl?.innerText?.trim() || '';
        const truncated = rawText.length > 150;
        const contentHtml = truncated ? rawText.substring(0, 150) + '...' : (commentEl?.innerHTML?.trim() || '');
        const greyEls = [...itemEl.querySelectorAll('small.grey')];
        const timeEl = greyEls.find(el => el.textContent.trim().startsWith('@'));
        const domTime = timeEl ? timeEl.textContent.trim().replace(/^@\s*/, '') : '';
        const statusEl = greyEls.find(el => !el.textContent.trim().startsWith('@'));
        const collectionStatus = statusEl ? statusEl.textContent.trim() : '';
        return {
            username, userSlug, avatarUrl,
            time: domTime, rating: 0, collectionStatus,
            content: truncated ? rawText.substring(0, 150) + '...' : rawText,
            contentHtml
        };
    }

    async function createSubjectCommentShareImage(itemEl, contentDoc = document) {
        const dark = contentDoc.documentElement.getAttribute('data-theme') === 'dark';
        const contentWin = contentDoc.defaultView || window;
        const subjectIdMatch = contentWin.location.pathname.match(/\/subject\/(\d+)/);
        if (!subjectIdMatch) return;
        const subjectId = subjectIdMatch[1];
        const subjectData = await fetchSubjectDataById(subjectId);
        const pureTitle = subjectData?.name || contentDoc.title?.split(/\s*[|//]\s*/)[0].trim() || '作品';
        const charImageUrl = subjectData?.imageUrl || '';
        const badgeLabel = subjectData?.type || '作品';
        const commentInfo = extractCommentItemInfo(itemEl, contentWin);
        let userTags = null;
        if (commentInfo.userSlug) {
            const collection = await fetchBangumiAPI(`users/${commentInfo.userSlug}/collections/${subjectId}`);
            if (collection) {
                commentInfo.rating = collection.rate || 0;
                if (collection.updated_at) {
                    const d = new Date(collection.updated_at);
                    const pad = n => String(n).padStart(2, '0');
                    commentInfo.time = `${d.getFullYear()}-${pad(d.getMonth()+1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}`;
                }
                if (collection.tags?.length > 0) userTags = collection.tags;
            }
        }
        if (!commentInfo.time) commentInfo.time = '未知时间';
        const infoboxTags = (SUBJECT_INFOBOX_KEYS[subjectData?.typeNum] || [])
            .map(key => getInfoboxValue(subjectData?.infobox, key))
            .filter(Boolean);
        const fallbackTags = [commentInfo.collectionStatus, ...infoboxTags].filter(Boolean);
        const overrideTags = userTags
            ? [commentInfo.collectionStatus, ...userTags].filter(Boolean)
            : fallbackTags;
        await _doShareCard({
            username: '', postTime: '', avatarUrl: '', contentEl: null,
            pureTitle, contentDoc, contentWin, dark,
            replies: [commentInfo], replyId: itemEl.id || '',
            charImageUrl, badgeLabel, overrideTags
        });
    }

    function extractCollectionPageItemInfo(itemEl, contentWin) {
        const userLink = itemEl.querySelector('a.avatar[href*="/user/"]');
        const userSlug = userLink?.getAttribute('href')?.match(/\/user\/([^\/\?]+)/)?.[1] || '';
        let username = '';
        if (userLink) {
            userLink.childNodes.forEach(n => { if (n.nodeType === 3) username += n.textContent; });
            username = username.trim();
        }
        if (!username) username = '未知用户';
        const avatarEl = itemEl.querySelector('.avatarNeue');
        let avatarUrl = '';
        if (avatarEl) {
            const bg = contentWin.getComputedStyle(avatarEl).backgroundImage;
            if (bg && bg !== 'none') avatarUrl = bg.replace(/url\(["']?([^"']+)["']?\)/, '$1');
            if (!avatarUrl) {
                const m = (avatarEl.getAttribute('style') || '').match(/background-image:\s*url\(["']?([^"']+)["']?\)/);
                if (m) avatarUrl = m[1];
            }
        }
        const ratingMatch = itemEl.querySelector('.starlight')?.className.match(/stars(\d+)/);
        const rating = ratingMatch ? parseInt(ratingMatch[1]) : 0;
        const timeEl = itemEl.querySelector('p.info');
        const time = timeEl ? (timeEl.textContent.trim().match(/\d{4}-\d+-\d+\s+\d+:\d+/)?.[0] || timeEl.textContent.trim()) : '';
        const container = itemEl.querySelector('.userContainer');
        let rawText = '';
        if (container) {
            let afterInfo = false;
            container.childNodes.forEach(n => {
                if (n.nodeType === 1 && n.tagName === 'P' && n.classList.contains('info')) { afterInfo = true; return; }
                if (afterInfo) rawText += n.nodeType === 3 ? n.textContent : (n.innerText || n.textContent || '');
            });
            rawText = rawText.trim();
        }
        const truncated = rawText.length > 150;
        const contentHtml = truncated ? rawText.substring(0, 150) + '...' : rawText;
        return { username, userSlug, avatarUrl, rating, time, content: contentHtml, contentHtml };
    }

    const COLLECTION_PAGE_STATUS = { collections: '看过', wishes: '想看', doings: '在看', on_hold: '搁置', dropped: '抛弃' };

    async function createCollectionPageShareImage(itemEl, contentDoc = document) {
        const dark = contentDoc.documentElement.getAttribute('data-theme') === 'dark';
        const contentWin = contentDoc.defaultView || window;
        const subjectIdMatch = contentWin.location.pathname.match(/\/subject\/(\d+)/);
        if (!subjectIdMatch) return;
        const subjectId = subjectIdMatch[1];
        const subjectData = await fetchSubjectDataById(subjectId);
        const pureTitle = subjectData?.name || contentDoc.title?.split(/\s*[|//]\s*/)[0].trim() || '作品';
        const charImageUrl = subjectData?.imageUrl || '';
        const badgeLabel = subjectData?.type || '作品';
        const commentInfo = extractCollectionPageItemInfo(itemEl, contentWin);
        let userTags = null;
        if (commentInfo.userSlug) {
            const collection = await fetchBangumiAPI(`users/${commentInfo.userSlug}/collections/${subjectId}`);
            if (collection) {
                if (!commentInfo.rating) commentInfo.rating = collection.rate || 0;
                if (!commentInfo.time && collection.updated_at) {
                    const d = new Date(collection.updated_at);
                    const pad = n => String(n).padStart(2, '0');
                    commentInfo.time = `${d.getFullYear()}-${pad(d.getMonth()+1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}`;
                }
                if (collection.tags?.length > 0) userTags = collection.tags;
            }
        }
        if (!commentInfo.time) commentInfo.time = '未知时间';
        const pageType = contentWin.location.pathname.match(/\/subject\/\d+\/(\w+)/)?.[1] || '';
        const collectionStatus = COLLECTION_PAGE_STATUS[pageType] || '';
        const infoboxTags = (SUBJECT_INFOBOX_KEYS[subjectData?.typeNum] || [])
            .map(key => getInfoboxValue(subjectData?.infobox, key))
            .filter(Boolean);
        const overrideTags = userTags
            ? [collectionStatus, ...userTags].filter(Boolean)
            : [collectionStatus, ...infoboxTags].filter(Boolean);
        await _doShareCard({
            username: '', postTime: '', avatarUrl: '', contentEl: null,
            pureTitle, contentDoc, contentWin, dark,
            replies: [commentInfo], replyId: '',
            charImageUrl, badgeLabel, overrideTags
        });
    }

    async function createShareImage(contentDoc = document) {
        const dark = contentDoc.documentElement.getAttribute('data-theme') === 'dark';
        const contentWin = contentDoc.defaultView || window;

        const isBlog = /\/blog\/\d+/.test(contentWin.location.pathname);
        const isEpisode = /\/ep\/\d+/.test(contentWin.location.pathname);
        const isCharacter = /\/character\/\d+|\/rakuen\/topic\/crt\/\d+/.test(contentWin.location.pathname);
        const isPerson = /\/person\/\d+|\/rakuen\/topic\/prsn\/\d+/.test(contentWin.location.pathname);
        const subjectTopicId = getSubjectIdFromTopicPage(contentWin.location.pathname, contentDoc);
        const isSubjectTopic = !!subjectTopicId;

        let username, postTime, avatarUrl, contentEl;
        if (isEpisode || isCharacter || isPerson) {
            username = ""; postTime = ""; avatarUrl = ""; contentEl = null;
        } else if (isBlog) {
            const authorLink = contentDoc.querySelector('.author.user-card .title p a')
                || contentDoc.querySelector('.author.user-card a.avatar');
            username = authorLink ? authorLink.textContent.trim() : "未知用户";
            const timeEl = contentDoc.querySelector('.header .tools .time');
            postTime = timeEl ? (timeEl.innerText.match(/\d{4}-\d{1,2}-\d{1,2}\s\d{1,2}:\d{1,2}/)?.[0] || "未知时间") : "未知时间";
            const avatarImg = contentDoc.querySelector('.author.user-card a.avatar img');
            avatarUrl = avatarImg ? avatarImg.src : "";
            contentEl = contentDoc.querySelector('#entry_content');
        } else {
            const firstPost = contentDoc.querySelector('.postTopic') || contentDoc.querySelector('[id^="post_"]');
            const idNode = firstPost?.querySelector('strong a') || firstPost?.querySelector('.author strong a');
            username = idNode ? idNode.innerText.trim() : "未知用户";
            const timeNode = firstPost?.querySelector('small');
            postTime = timeNode ? (timeNode.innerText.match(/\d{4}-\d{1,2}-\d{1,2}\s\d{1,2}:\d{1,2}/)?.[0] || "未知时间") : "未知时间";
            const avatarBox = firstPost?.querySelector('.avatarSize48');
            avatarUrl = avatarBox ? contentWin.getComputedStyle(avatarBox).backgroundImage.replace(/url\(["']?([^"']+)["']?\)/, '$1') : "";
            contentEl = firstPost?.querySelector('.topic_content') || firstPost?.querySelector('.inner');
        }

        const h1Node = contentDoc.querySelector('#pageHeader h1') || contentDoc.querySelector('h1.title') || contentDoc.querySelector('h1.nameSingle a') || contentDoc.querySelector('h1');
        let pureTitle = "";
        if (h1Node) h1Node.childNodes.forEach(n => { if (n.nodeType === 3) pureTitle += n.textContent; });
        pureTitle = pureTitle.replace(/[»\n]/g, '').trim();
        if (!pureTitle) {
            const rawTitle = (contentDoc.title || '').split(/\s*[|//]\s*/)[0].trim();
            pureTitle = rawTitle || "分享话题";
        }

        let charImageUrl = (isCharacter || isPerson) ? extractCharImageUrl(contentDoc) : '';
        let badgeLabel = '';
        let topicTitle = '';
        if (isCharacter) badgeLabel = '角色';
        if (isPerson) {
            const subtitleEl = contentDoc.querySelector('h2.subtitle');
            const subtitleText = subtitleEl ? subtitleEl.textContent.trim() : '';
            badgeLabel = subtitleText.replace(/^[^::]*[::]\s*/, '').trim() || '人物';
        }
        if ((isCharacter || isPerson) && (!charImageUrl || /\/rakuen\/topic\/(crt|prsn)\//.test(contentWin.location.pathname))) {
            const apiData = await getRakuenCharPersonData(contentWin.location.pathname);
            if (apiData) {
                if (!charImageUrl) charImageUrl = apiData.imageUrl;
                if (!badgeLabel || badgeLabel === '人物') badgeLabel = apiData.badgeLabel;
            }
        }
        if (isEpisode) {
            const epIdMatch = contentWin.location.pathname.match(/\/ep\/(\d+)/);
            if (epIdMatch) {
                const epData = await fetchEpisodeData(epIdMatch[1]);
                if (epData) {
                    if (epData.episodeName) pureTitle = epData.episodeName;
                    if (epData.subjectImageUrl) charImageUrl = epData.subjectImageUrl;
                    badgeLabel = epData.epNumber ? `第${epData.epNumber}话` : '章节';
                }
            }
        }
        if (isSubjectTopic) {
            const subjectData = await fetchSubjectDataById(subjectTopicId);
            if (subjectData) {
                topicTitle = pureTitle;
                pureTitle = subjectData.name || pureTitle;
                charImageUrl = subjectData.imageUrl || '';
                badgeLabel = subjectData.type || '';
            }
        }
        if (isBlog) {
            const blogSubjectIds = [...new Set(
                [...contentDoc.querySelectorAll('a[href]')]
                    .map(a => (a.getAttribute('href') || '').match(/\/subject\/(\d+)$/)?.[1])
                    .filter(Boolean)
            )];
            if (blogSubjectIds.length === 1) {
                const subjectData = await fetchSubjectDataById(blogSubjectIds[0]);
                if (subjectData) {
                    topicTitle = pureTitle;
                    pureTitle = subjectData.name || pureTitle;
                    charImageUrl = subjectData.imageUrl || '';
                    badgeLabel = subjectData.type || '';
                }
            }
        }
        await _doShareCard({ username, postTime, avatarUrl, contentEl, pureTitle, contentDoc, contentWin, dark, charImageUrl, badgeLabel, topicTitle });
    }

    function truncateHtml(html, limit) {
        const tmp = document.createElement('div');
        tmp.innerHTML = html;
        let count = 0, done = false;
        const walk = (node) => {
            if (done) { node.remove(); return; }
            if (node.nodeType === 3) {
                const rem = limit - count;
                if (node.textContent.length > rem) {
                    node.textContent = node.textContent.substring(0, rem) + '...';
                    done = true;
                } else { count += node.textContent.length; }
                return;
            }
            if (node.nodeType !== 1) return;
            [...node.childNodes].forEach(c => walk(c));
        };
        [...tmp.childNodes].forEach(c => walk(c));
        return tmp.innerHTML;
    }

    function extractPostInfo(postEl, contentWin) {
        const idNode = postEl.querySelector('.userInfo strong a') || postEl.querySelector('.userName a') || postEl.querySelector('strong a');
        const username = idNode ? idNode.innerText.trim() : "未知用户";
        const timeNode = postEl.querySelector('.post_actions.re_info small');
        const time = timeNode ? (timeNode.innerText.match(/\d{4}-\d{1,2}-\d{1,2}\s\d{1,2}:\d{1,2}/)?.[0] || "未知时间") : "未知时间";
        const avatarBox = postEl.querySelector('.avatarReSize40') || postEl.querySelector('.avatarReSize32') || postEl.querySelector('.avatarSize48');
        let avatarUrl = "";
        if (avatarBox) {
            const bg = contentWin.getComputedStyle(avatarBox).backgroundImage;
            if (bg && bg !== 'none') avatarUrl = bg.replace(/url\(["']?([^"']+)["']?\)/, '$1');
            if (!avatarUrl) {
                const m = (avatarBox.getAttribute('style') || '').match(/background-image:\s*url\(["']?([^"']+)["']?\)/);
                if (m) avatarUrl = m[1];
            }
        }
        if (!avatarUrl) {
            const anyBg = postEl.querySelector('[style*="background-image"]');
            if (anyBg) {
                const m = (anyBg.getAttribute('style') || '').match(/background-image:\s*url\(["']?([^"']+)["']?\)/);
                if (m) avatarUrl = m[1];
            }
        }
        if (!avatarUrl) {
            const avatarImg = postEl.querySelector('a.avatar img') || postEl.querySelector('[href*="/user/"] img') || postEl.querySelector('img[src*="/pic/user"]');
            if (avatarImg) avatarUrl = avatarImg.src;
        }
        const contentEl = postEl.querySelector('.reply_content .message') || postEl.querySelector('.cmt_sub_content') || postEl.querySelector('.topic_content');
        const contentClone = contentEl ? contentEl.cloneNode(true) : null;
        contentClone?.querySelectorAll('.embed-play-btn, .embed-player-wrapper, iframe').forEach(el => el.remove());
        const quoteEl = contentClone?.querySelector('.quote');
        const savedQuoteHtml = quoteEl ? quoteEl.outerHTML : '';
        const bodyClone = contentClone?.cloneNode(true);
        bodyClone?.querySelector('.quote')?.remove();
        const bodyText = bodyClone?.innerText?.trim() || "";
        const rawText = contentClone?.innerText?.trim() || "";
        const truncated = bodyText.length > 150;
        const contentHtml = truncated
            ? savedQuoteHtml + truncateHtml(bodyClone?.innerHTML?.trim() || "", 150)
            : (contentEl?.innerHTML?.trim() || "");
        return { username, time, avatarUrl, content: truncated ? rawText.substring(0, 150) + "..." : rawText, contentHtml };
    }

    async function createReplyShareImage(replyEl, contentDoc = document) {
        const dark = contentDoc.documentElement.getAttribute('data-theme') === 'dark';
        const contentWin = contentDoc.defaultView || window;

        // Main post (楼主) data
        const isBlog = /\/blog\/\d+/.test(contentWin.location.pathname);
        const isEpisode = /\/ep\/\d+/.test(contentWin.location.pathname);
        const isCharacter = /\/character\/\d+|\/rakuen\/topic\/crt\/\d+/.test(contentWin.location.pathname);
        const isPerson = /\/person\/\d+|\/rakuen\/topic\/prsn\/\d+/.test(contentWin.location.pathname);
        const subjectTopicId = getSubjectIdFromTopicPage(contentWin.location.pathname, contentDoc);
        const isSubjectTopic = !!subjectTopicId;
        let username, postTime, avatarUrl, contentEl;
        if (isEpisode || isCharacter || isPerson) {
            username = ""; postTime = ""; avatarUrl = ""; contentEl = null;
        } else if (isBlog) {
            const authorLink = contentDoc.querySelector('.author.user-card .title p a') || contentDoc.querySelector('.author.user-card a.avatar');
            username = authorLink ? authorLink.textContent.trim() : "未知用户";
            const timeEl = contentDoc.querySelector('.header .tools .time');
            postTime = timeEl ? (timeEl.innerText.match(/\d{4}-\d{1,2}-\d{1,2}\s\d{1,2}:\d{1,2}/)?.[0] || "未知时间") : "未知时间";
            const avatarImg = contentDoc.querySelector('.author.user-card a.avatar img');
            avatarUrl = avatarImg ? avatarImg.src : "";
            contentEl = contentDoc.querySelector('#entry_content');
        } else {
            const firstPost = contentDoc.querySelector('.postTopic') || contentDoc.querySelector('[id^="post_"]');
            const mainIdNode = firstPost?.querySelector('strong a') || firstPost?.querySelector('.author strong a');
            username = mainIdNode ? mainIdNode.innerText.trim() : "未知用户";
            const mainTimeNode = firstPost?.querySelector('small');
            postTime = mainTimeNode ? (mainTimeNode.innerText.match(/\d{4}-\d{1,2}-\d{1,2}\s\d{1,2}:\d{1,2}/)?.[0] || "未知时间") : "未知时间";
            const mainAvatarBox = firstPost?.querySelector('.avatarSize48');
            avatarUrl = mainAvatarBox ? contentWin.getComputedStyle(mainAvatarBox).backgroundImage.replace(/url\(["']?([^"']+)["']?\)/, '$1') : "";
            contentEl = firstPost?.querySelector('.topic_content') || firstPost?.querySelector('.inner');
        }

        // Build replies chain: if sub-reply, prepend the parent reply first
        const replies = [];
        const parentPost = replyEl.closest('.topic_sub_reply')?.closest('[id^="post_"]');
        if (parentPost) {
            replies.push(extractPostInfo(parentPost, contentWin));
        }
        replies.push(extractPostInfo(replyEl, contentWin));

        const h1Node = contentDoc.querySelector('#pageHeader h1') || contentDoc.querySelector('h1.title') || contentDoc.querySelector('h1.nameSingle a') || contentDoc.querySelector('h1');
        let pureTitle = "";
        if (h1Node) h1Node.childNodes.forEach(n => { if (n.nodeType === 3) pureTitle += n.textContent; });
        pureTitle = pureTitle.replace(/[»\n]/g, '').trim();
        if (!pureTitle) {
            const rawTitle = (contentDoc.title || '').split(/\s*[|//]\s*/)[0].trim();
            pureTitle = rawTitle || "分享话题";
        }

        let charImageUrl = (isCharacter || isPerson) ? extractCharImageUrl(contentDoc) : '';
        let badgeLabel = '';
        let topicTitle = '';
        if (isCharacter) badgeLabel = '角色';
        if (isPerson) {
            const subtitleEl = contentDoc.querySelector('h2.subtitle');
            const subtitleText = subtitleEl ? subtitleEl.textContent.trim() : '';
            badgeLabel = subtitleText.replace(/^[^::]*[::]\s*/, '').trim() || '人物';
        }
        if ((isCharacter || isPerson) && (!charImageUrl || /\/rakuen\/topic\/(crt|prsn)\//.test(contentWin.location.pathname))) {
            const apiData = await getRakuenCharPersonData(contentWin.location.pathname);
            if (apiData) {
                if (!charImageUrl) charImageUrl = apiData.imageUrl;
                if (!badgeLabel || badgeLabel === '人物') badgeLabel = apiData.badgeLabel;
            }
        }
        if (isEpisode) {
            const epIdMatch = contentWin.location.pathname.match(/\/ep\/(\d+)/);
            if (epIdMatch) {
                const epData = await fetchEpisodeData(epIdMatch[1]);
                if (epData) {
                    if (epData.episodeName) pureTitle = epData.episodeName;
                    if (epData.subjectImageUrl) charImageUrl = epData.subjectImageUrl;
                    badgeLabel = epData.epNumber ? `第${epData.epNumber}话` : '章节';
                }
            }
        }
        if (isSubjectTopic) {
            const subjectData = await fetchSubjectDataById(subjectTopicId);
            if (subjectData) {
                topicTitle = pureTitle;
                pureTitle = subjectData.name || pureTitle;
                charImageUrl = subjectData.imageUrl || '';
                badgeLabel = subjectData.type || '';
            }
        }
        if (isBlog) {
            const blogSubjectIds = [...new Set(
                [...contentDoc.querySelectorAll('a[href]')]
                    .map(a => (a.getAttribute('href') || '').match(/\/subject\/(\d+)$/)?.[1])
                    .filter(Boolean)
            )];
            if (blogSubjectIds.length === 1) {
                const subjectData = await fetchSubjectDataById(blogSubjectIds[0]);
                if (subjectData) {
                    topicTitle = pureTitle;
                    pureTitle = subjectData.name || pureTitle;
                    charImageUrl = subjectData.imageUrl || '';
                    badgeLabel = subjectData.type || '';
                }
            }
        }
        await _doShareCard({ username, postTime, avatarUrl, contentEl, pureTitle, contentDoc, contentWin, dark,
            replies, replyId: replyEl.id, charImageUrl, badgeLabel, topicTitle });
    }

    const REPLY_SHARE_BTN_CLASS = 'bgm-reply-share-btn';
    const SHARE_SVG = '<svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round" style="vertical-align:middle;"><circle cx="18" cy="5" r="3"/><circle cx="6" cy="12" r="3"/><circle cx="18" cy="19" r="3"/><line x1="8.59" y1="13.51" x2="15.42" y2="17.49"/><line x1="15.41" y1="6.51" x2="8.59" y2="10.49"/></svg>';

    const insertReplyButtons = (targetDoc = document) => {
        targetDoc.querySelectorAll('[id^="post_"]').forEach(post => {
            if (post.classList.contains('postTopic')) return;
            const reInfo = post.querySelector('.post_actions.re_info');
            if (!reInfo || post.querySelector('.' + REPLY_SHARE_BTN_CLASS)) return;
            const wrap = targetDoc.createElement('span');
            wrap.className = 'action';
            wrap.innerHTML = `<a href="javascript:void(0);" class="${REPLY_SHARE_BTN_CLASS} icon" title="分享回复" style="display:inline-flex;align-items:center;gap:3px;">${SHARE_SVG}<span class="title">分享</span></a>`;
            const dropdowns = reInfo.querySelectorAll('.action.dropdown');
            const moreMenu = dropdowns[dropdowns.length - 1];
            moreMenu ? reInfo.insertBefore(wrap, moreMenu) : reInfo.appendChild(wrap);
            wrap.querySelector('a').addEventListener('click', () => createReplyShareImage(post, targetDoc));
        });
    };

    const insertButton = (targetDoc = document) => {
        if (targetDoc.getElementById('gen-card-btn')) return;

        const postActions = targetDoc.querySelector('.entry-actions .post_actions')
            || targetDoc.querySelector('.postTopic .post_actions:not(.re_info)')
            || targetDoc.querySelector('[id^="post_"] .post_actions:not(.re_info)')
            || [...targetDoc.querySelectorAll('.post_actions:not(.re_info)')].find(el => !el.closest('#sliderContainer') && !el.closest('#comment_box') && !el.closest('#timeline') && !el.closest('.statusContent'));
        if (postActions) {
            const wrap = targetDoc.createElement('span');
            wrap.className = 'action';
            wrap.innerHTML = '<a href="javascript:void(0);" id="gen-card-btn" class="icon" title="分享话题" style="display:inline-flex;align-items:center;gap:3px;"><svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round" style="vertical-align:middle;"><circle cx="18" cy="5" r="3"/><circle cx="6" cy="12" r="3"/><circle cx="18" cy="19" r="3"/><line x1="8.59" y1="13.51" x2="15.42" y2="17.49"/><line x1="15.41" y1="6.51" x2="8.59" y2="10.49"/></svg><span class="title">分享</span></a>';
            postActions.appendChild(wrap);
            targetDoc.getElementById('gen-card-btn').addEventListener('click', () => createShareImage(targetDoc));
            return;
        }

        // 降级:插入普通页面侧栏(仅非 Rakuen 场景)
        if (targetDoc === document) {
            const menuInner = document.querySelector('#columnInSubjectB .menu_inner')
                || document.querySelector('#columnSubjectB .menu_inner');
            if (menuInner) {
                const br = document.createElement('br');
                const btn = document.createElement('a');
                btn.id = 'gen-card-btn';
                btn.href = 'javascript:void(0);';
                btn.className = 'l';
                btn.textContent = '/ 分享';
                menuInner.appendChild(br);
                menuInner.appendChild(btn);
                btn.addEventListener('click', () => createShareImage(document));
            }
        }
    };

    async function createMyCollectionShareImage(targetDoc) {
        const dark = targetDoc.documentElement.getAttribute('data-theme') === 'dark';
        const contentWin = targetDoc.defaultView || window;
        const subjectIdMatch = contentWin.location.pathname.match(/\/subject\/(\d+)/);
        if (!subjectIdMatch) return;
        const subjectId = subjectIdMatch[1];

        const commentText = (targetDoc.querySelector('textarea#comment')?.value || '').trim();
        if (!commentText) return;

        const collectLink = targetDoc.querySelector('.shareBtn a[href*="/user/"]');
        const userSlug = collectLink?.getAttribute('href').match(/\/user\/([^\/\?]+)/)?.[1] || '';

        let avatarUrl = '';
        let username = userSlug;
        if (userSlug) {
            const userInfo = await fetchBangumiAPI(`users/${userSlug}`);
            if (userInfo) {
                avatarUrl = userInfo.avatar?.medium || userInfo.avatar?.large || userInfo.avatar?.small || '';
                username = userInfo.nickname || userInfo.username || userSlug;
            }
        }

        const ratedInput = targetDoc.querySelector('#panelInterestWrapper input[name="rate"]:checked');
        const rating = ratedInput ? parseInt(ratedInput.value) : 0;

        const timeEl = targetDoc.querySelector('#panelInterestWrapper p.tip');
        const timeText = timeEl ? (timeEl.textContent.match(/\d{4}-\d+-\d+\s+\d+:\d+/)?.[0] || '') : '';

        const interestNow = targetDoc.querySelector('.interest_now')?.textContent.trim() || '';
        const statusKeys = ['看过', '在看', '想看', '玩过', '在玩', '想玩', '读过', '在读', '想读', '听过', '在听', '想听', '搁置', '抛弃'];
        const collectionStatus = statusKeys.find(k => interestNow.includes(k)) || '';

        const subjectData = await fetchSubjectDataById(subjectId);
        const pureTitle = subjectData?.name || targetDoc.title?.split(/\s*[|//]\s*/)[0].trim() || '作品';
        const charImageUrl = subjectData?.imageUrl || '';
        const badgeLabel = subjectData?.type || '作品';

        const domTagsRaw = (targetDoc.querySelector('#collectBoxForm input[name="tags"]')?.value || '').trim();
        const domTags = domTagsRaw ? domTagsRaw.split(/[\s,,]+/).map(t => t.trim()).filter(Boolean) : [];
        const infoboxTags = (SUBJECT_INFOBOX_KEYS[subjectData?.typeNum] || [])
            .map(key => getInfoboxValue(subjectData?.infobox, key))
            .filter(Boolean);
        const overrideTags = domTags.length > 0
            ? [collectionStatus, ...domTags].filter(Boolean)
            : [collectionStatus, ...infoboxTags].filter(Boolean);

        const truncated = commentText.length > 150;
        const contentHtml = truncated ? commentText.substring(0, 150) + '...' : commentText;

        await _doShareCard({
            username: '', postTime: '', avatarUrl: '', contentEl: null,
            pureTitle, contentDoc: targetDoc, contentWin, dark,
            replies: [{ username, time: timeText, avatarUrl, rating, content: contentHtml, contentHtml }],
            charImageUrl, badgeLabel, overrideTags
        });
    }

    const insertMyCollectionShareButton = (targetDoc = document) => {
        if (targetDoc.getElementById('bgm-my-collection-share-btn')) return;
        const shareBtn = targetDoc.querySelector('.shareBtn');
        if (!shareBtn) return;
        const commentText = (targetDoc.querySelector('textarea#comment')?.value || '').trim();
        if (!commentText) return;
        shareBtn.querySelector('.share_pasteboard')?.closest('.action')?.remove();
        shareBtn.querySelector('.shareText')?.remove();
        shareBtn.querySelectorAll('a.share').forEach(el => el.remove());
        const wrap = targetDoc.createElement('span');
        wrap.className = 'action';
        wrap.innerHTML = `<a href="javascript:void(0);" id="bgm-my-collection-share-btn" class="icon" title="分享我的吐槽" style="display:inline-flex;align-items:center;gap:3px;">${SHARE_SVG}<span class="title">分享</span></a>`;
        shareBtn.appendChild(wrap);
        wrap.querySelector('a').addEventListener('click', () => createMyCollectionShareImage(targetDoc));
    };

    const SUBJECT_COMMENT_SHARE_BTN_CLASS = 'bgm-subject-comment-share-btn';

    const insertSubjectCommentButtons = (targetDoc = document) => {
        targetDoc.querySelectorAll('#comment_box .item.clearit').forEach(item => {
            if (item.querySelector('.' + SUBJECT_COMMENT_SHARE_BTN_CLASS)) return;
            const postActions = item.querySelector('.post_actions');
            if (!postActions) return;
            const wrap = targetDoc.createElement('span');
            wrap.className = 'action';
            wrap.innerHTML = `<a href="javascript:void(0);" class="${SUBJECT_COMMENT_SHARE_BTN_CLASS} icon" title="分享吐槽" style="display:inline-flex;align-items:center;gap:3px;">${SHARE_SVG}<span class="title">分享</span></a>`;
            postActions.appendChild(wrap);
            wrap.querySelector('a').addEventListener('click', () => createSubjectCommentShareImage(item, targetDoc));
        });
    };

    const COLLECTION_PAGE_SHARE_BTN_CLASS = 'bgm-collection-page-share-btn';

    const insertCollectionPageButtons = (targetDoc = document) => {
        if (!Object.keys(COLLECTION_PAGE_STATUS).some(k =>
            new RegExp(`/subject/\\d+/${k}`).test((targetDoc.defaultView || window).location.pathname)
        )) return;
        targetDoc.querySelectorAll('#memberUserList li.user').forEach(item => {
            if (item.querySelector('.' + COLLECTION_PAGE_SHARE_BTN_CLASS)) return;
            const container = item.querySelector('.userContainer');
            if (!container) return;
            let hasComment = false;
            let afterInfo = false;
            container.childNodes.forEach(n => {
                if (n.nodeType === 1 && n.tagName === 'P' && n.classList.contains('info')) { afterInfo = true; return; }
                if (afterInfo && n.nodeType === 3 && n.textContent.trim()) hasComment = true;
            });
            if (!hasComment) return;
            const infoEl = item.querySelector('p.info');
            if (!infoEl) return;
            const btn = targetDoc.createElement('a');
            btn.href = 'javascript:void(0);';
            btn.className = COLLECTION_PAGE_SHARE_BTN_CLASS + ' icon';
            btn.title = '分享吐槽';
            btn.style.cssText = 'display:inline-flex;align-items:center;gap:4px;margin-left:8px;font-size:12px;';
            btn.innerHTML = SHARE_SVG + '<span class="title">分享</span>';
            infoEl.appendChild(btn);
            btn.addEventListener('click', () => createCollectionPageShareImage(item, targetDoc));
        });
    };

    const BROWSER_LIST_CATEGORY_STATUS = {
        anime: { do: '在看', collect: '看过', wish: '想看', on_hold: '搁置', dropped: '抛弃' },
        music: { do: '在听', collect: '听过', wish: '想听', on_hold: '搁置', dropped: '抛弃' },
        game:  { do: '在玩', collect: '玩过', wish: '想玩', on_hold: '搁置', dropped: '抛弃' },
        real:  { do: '在看', collect: '看过', wish: '想看', on_hold: '搁置', dropped: '抛弃' },
        book:  { do: '在读', collect: '读过', wish: '想读', on_hold: '搁置', dropped: '抛弃' }
    };

    function extractBrowserListItemInfo(itemEl, contentWin) {
        const subjectId = itemEl.id?.replace('item_', '') || '';
        const ratingMatch = itemEl.querySelector('.starlight')?.className.match(/stars(\d+)/);
        const rating = ratingMatch ? parseInt(ratingMatch[1]) : 0;
        const time = itemEl.querySelector('.tip_j')?.textContent.trim() || '';
        const tagsRaw = itemEl.querySelector('p.collectInfo .tip')?.textContent.replace(/^[^::]*[::]\s*/, '').trim() || '';
        const domTags = tagsRaw ? tagsRaw.split(/\s+/).filter(Boolean) : [];
        const commentEl = itemEl.querySelector('#comment_box .text');
        const rawText = commentEl?.textContent.trim() || '';
        const truncated = rawText.length > 150;
        const contentHtml = truncated ? rawText.substring(0, 150) + '...' : rawText;
        return { subjectId, rating, time, domTags, content: contentHtml, contentHtml };
    }

    async function createBrowserListShareImage(itemEl, contentDoc = document) {
        const dark = contentDoc.documentElement.getAttribute('data-theme') === 'dark';
        const contentWin = contentDoc.defaultView || window;
        const m = contentWin.location.pathname.match(/\/(anime|music|game|real|book)\/list\/([^\/]+)\/(do|collect|wish|on_hold|dropped)/);
        if (!m) return;
        const [, category, userSlug, statusKey] = m;
        const collectionStatus = BROWSER_LIST_CATEGORY_STATUS[category]?.[statusKey] || '';
        const itemInfo = extractBrowserListItemInfo(itemEl, contentWin);
        if (!itemInfo.subjectId) return;
        const [subjectData, userInfo] = await Promise.all([
            fetchSubjectDataById(itemInfo.subjectId),
            fetchBangumiAPI(`users/${userSlug}`)
        ]);
        const categoryTypeMap = { anime: '动画', music: '音乐', game: '游戏', real: '三次元', book: '书籍' };
        let pureTitle = subjectData?.name || '';
        let charImageUrl = subjectData?.imageUrl || '';
        let badgeLabel = subjectData?.type || '';
        if (!subjectData) {
            _shareNotice = 'NSFW 条目 API 无权访问,已降级为页面数据,部分信息可能不完整';
            pureTitle = itemEl.querySelector('h3 a.l')?.textContent.trim() || '';
            const coverImg = itemEl.querySelector('.subjectCover img');
            charImageUrl = coverImg?.src || coverImg?.dataset.src || '';
            badgeLabel = categoryTypeMap[category] || '作品';
        }
        if (!badgeLabel) badgeLabel = categoryTypeMap[category] || '作品';
        let username = userInfo?.nickname || userInfo?.username || userSlug;
        let avatarUrl = userInfo?.avatar?.medium || userInfo?.avatar?.large || '';
        let userTags = null;
        if (userSlug) {
            const collection = await fetchBangumiAPI(`users/${userSlug}/collections/${itemInfo.subjectId}`);
            if (collection) {
                if (!itemInfo.rating) itemInfo.rating = collection.rate || 0;
                if (!itemInfo.time && collection.updated_at) {
                    const d = new Date(collection.updated_at);
                    const pad = n => String(n).padStart(2, '0');
                    itemInfo.time = `${d.getFullYear()}-${pad(d.getMonth()+1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}`;
                }
                if (collection.tags?.length > 0) userTags = collection.tags;
            }
        }
        if (!itemInfo.time) itemInfo.time = '未知时间';
        const infoboxTags = (SUBJECT_INFOBOX_KEYS[subjectData?.typeNum] || [])
            .map(key => getInfoboxValue(subjectData?.infobox, key))
            .filter(Boolean);
        const effectiveTags = userTags || (itemInfo.domTags.length > 0 ? itemInfo.domTags : null);
        const overrideTags = effectiveTags
            ? [collectionStatus, ...effectiveTags].filter(Boolean)
            : [collectionStatus, ...infoboxTags].filter(Boolean);
        await _doShareCard({
            username: '', postTime: '', avatarUrl: '', contentEl: null,
            pureTitle, contentDoc, contentWin, dark,
            replies: [{ username, time: itemInfo.time, avatarUrl, rating: itemInfo.rating, content: itemInfo.content, contentHtml: itemInfo.contentHtml }],
            charImageUrl, badgeLabel, overrideTags
        });
    }

    const BROWSER_LIST_SHARE_BTN_CLASS = 'bgm-browser-list-share-btn';

    const insertBrowserListButtons = (targetDoc = document) => {
        const pathname = (targetDoc.defaultView || window).location.pathname;
        if (!/\/(anime|music|game|real|book)\/list\/[^\/]+\/(do|collect|wish|on_hold|dropped)/.test(pathname)) return;
        targetDoc.querySelectorAll('#browserItemList li.item').forEach(item => {
            if (item.querySelector('.' + BROWSER_LIST_SHARE_BTN_CLASS)) return;
            const commentEl = item.querySelector('#comment_box .text');
            if (!commentEl?.textContent.trim()) return;
            const modifyP = item.querySelector('p.collectModify');
            if (!modifyP) return;
            modifyP.appendChild(targetDoc.createTextNode(' | '));
            const btn = targetDoc.createElement('a');
            btn.href = 'javascript:void(0);';
            btn.className = BROWSER_LIST_SHARE_BTN_CLASS + ' l';
            btn.style.cssText = 'display:inline-flex;align-items:center;gap:3px;vertical-align:middle;';
            btn.innerHTML = SHARE_SVG + '<span>分享</span>';
            modifyP.appendChild(btn);
            btn.addEventListener('click', () => createBrowserListShareImage(item, targetDoc));
        });
    };

    function injectShareSettingsTab() {
        const panel = document.getElementById('customize-panel');
        if (!panel || panel.querySelector('[data-tab="bgm-topic-share"]')) return;
        const tabList = panel.querySelector('.panel-tabs .scrollable');
        const contentArea = panel.querySelector('.content');
        if (!tabList || !contentArea) return;

        tabList.style.overflowX = 'auto';
        tabList.style.scrollbarWidth = 'thin';
        tabList.style.flexWrap = 'nowrap';

        const tabLi = document.createElement('li');
        tabLi.innerHTML = '<a href="javascript:void(0);" class="tab-item" data-tab="bgm-topic-share">番组分享</a>';
        tabList.appendChild(tabLi);

        const token = getBgmToken();
        const aiUrl = GM_getValue('bgm_share_ai_url', '');
        const aiKey = GM_getValue('bgm_share_ai_key', '');
        const aiModel = GM_getValue('bgm_share_ai_model', '') || 'gpt-3.5-turbo';

        const tabDiv = document.createElement('div');
        tabDiv.className = 'tab-content';
        tabDiv.id = 'bgm-topic-share-tab';
        tabDiv.innerHTML = `
            <div class="section">
                <div class="title">Bangumi 授权(解锁 NSFW 数据)</div>
                <div class="options-container" style="flex-direction:column;align-items:flex-start;gap:10px;padding-top:8px;">
                    <div id="bgm-share-auth-status" style="font-size:13px;color:${token ? '#4caf50' : '#aaa'};">
                        ${token ? '✓ 已授权,API 请求将携带 Token' : '未授权 - NSFW 条目数据将降级为 DOM 抓取'}
                    </div>
                    <div style="display:flex;gap:8px;">
                        <a id="bgm-share-auth-btn" href="javascript:void(0);" class="btnPink" style="${token ? 'display:none' : ''}">立即授权</a>
                        <a id="bgm-share-deauth-btn" href="javascript:void(0);" class="btnGraySmall" style="${token ? '' : 'display:none'}">撤销授权</a>
                    </div>
                </div>
            </div>
            <div class="section">
                <div class="title">AI 标签配置(可选)</div>
                <div style="display:flex;flex-direction:column;gap:10px;padding-top:8px;padding-right:10px;font-size:13px;">
                    <label>API URL<br><input id="bgm-share-ai-url" type="text" class="inputtext" style="width:100%;margin-top:4px;" value="${aiUrl}" placeholder="https://api.openai.com/v1/chat/completions"></label>
                    <label>API Key<br><input id="bgm-share-ai-key" type="password" class="inputtext" style="width:100%;margin-top:4px;" value="${aiKey}" placeholder="sk-..."></label>
                    <label>模型<br><input id="bgm-share-ai-model" type="text" class="inputtext" style="width:100%;margin-top:4px;" value="${aiModel}"></label>
                    <div style="display:flex;align-items:center;gap:10px;">
                        <a id="bgm-share-ai-save" href="javascript:void(0);" class="btnPink">保存</a>
                        <span id="bgm-share-ai-saved" style="color:#4caf50;display:none;font-size:12px;">✓ 已保存</span>
                    </div>
                </div>
            </div>`;
        contentArea.appendChild(tabDiv);

        const tabLink = tabLi.querySelector('a');
        tabLink.addEventListener('click', () => {
            panel.querySelectorAll('.tab-item').forEach(t => t.classList.remove('focus'));
            tabLink.classList.add('focus');
            panel.querySelectorAll('.tab-content').forEach(c => c.classList.remove('active'));
            tabDiv.classList.add('active');
        });
        tabDiv.querySelector('#bgm-share-auth-btn').addEventListener('click', startBgmOAuth);
        tabDiv.querySelector('#bgm-share-deauth-btn').addEventListener('click', () => {
            clearBgmToken();
            tabDiv.querySelector('#bgm-share-auth-status').textContent = '未授权 - NSFW 条目数据将降级为 DOM 抓取';
            tabDiv.querySelector('#bgm-share-auth-status').style.color = '#aaa';
            tabDiv.querySelector('#bgm-share-auth-btn').style.display = '';
            tabDiv.querySelector('#bgm-share-deauth-btn').style.display = 'none';
        });
        tabDiv.querySelector('#bgm-share-ai-save').addEventListener('click', () => {
            GM_setValue('bgm_share_ai_url', tabDiv.querySelector('#bgm-share-ai-url').value);
            GM_setValue('bgm_share_ai_key', tabDiv.querySelector('#bgm-share-ai-key').value);
            GM_setValue('bgm_share_ai_model', tabDiv.querySelector('#bgm-share-ai-model').value);
            const s = tabDiv.querySelector('#bgm-share-ai-saved');
            s.style.display = '';
            setTimeout(() => s.style.display = 'none', 2000);
        });
    }

    function _getStatusAuthorInfo(doc) {
        const usernameEl = doc.querySelector('.statusHeader h3 a');
        const username = usernameEl?.textContent.trim() || '';
        const avatarSpan = doc.querySelector('.statusHeader .avatarNeue');
        let avatarUrl = '';
        const bgImg = avatarSpan?.style.backgroundImage;
        if (bgImg) {
            const m = bgImg.match(/url\(['"]?([^'"]+)['"]?\)/);
            if (m) avatarUrl = m[1].replace(/^\/\//, 'https://');
        }
        const timeEl = doc.querySelector('.statusContent .post_actions .tip_j');
        const postTime = timeEl?.textContent.trim() || '';
        return { username, avatarUrl, postTime };
    }

    async function _buildCollectionStatusInfo(doc, contentWin, username, avatarUrl, postTime) {
        const statusContent = doc.querySelector('.statusContent');
        const subjectLink = statusContent?.querySelector('a[data-subject-id]');
        const subjectId = subjectLink?.getAttribute('data-subject-id');
        const collectComment = statusContent?.querySelector('.comment');
        if (!subjectId || !collectComment) return null;

        const userSlug = contentWin.location.pathname.match(/\/user\/([^\/]+)\//)?.[1] || '';
        let collectionStatus = '';
        if (subjectLink) {
            let node = subjectLink.previousSibling;
            while (node) {
                if (node.nodeType === 3 && node.textContent.trim()) { collectionStatus = node.textContent.trim().replace(/了$/, ''); break; }
                node = node.previousSibling;
            }
        }
        const ratingEl = collectComment.querySelector('.starstop-s .starlight');
        const domRating = parseInt(ratingEl?.className.match(/stars(\d+)/)?.[1] || '0');
        const cleanCommentHtml = (() => {
            const tmp = document.createElement('div');
            tmp.innerHTML = collectComment.innerHTML;
            tmp.querySelector('.starstop-s')?.remove();
            return tmp.innerHTML.trim();
        })();
        const subjectData = await fetchSubjectDataById(subjectId);
        const subjectName = subjectData?.name || subjectLink?.textContent.trim() || '作品';
        let rating = domRating, userTags = null, apiTime = postTime;
        if (userSlug) {
            const collection = await fetchBangumiAPI(`users/${userSlug}/collections/${subjectId}`);
            if (collection) {
                rating = collection.rate || rating;
                if (collection.updated_at) {
                    const d = new Date(collection.updated_at);
                    const pad = n => String(n).padStart(2, '0');
                    apiTime = `${d.getFullYear()}-${pad(d.getMonth()+1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}`;
                }
                if (collection.tags?.length > 0) userTags = collection.tags;
            }
        }
        const infoboxTags = (SUBJECT_INFOBOX_KEYS[subjectData?.typeNum] || [])
            .map(key => getInfoboxValue(subjectData?.infobox, key)).filter(Boolean);
        const overrideTags = userTags
            ? [collectionStatus, ...userTags].filter(Boolean)
            : [collectionStatus, ...infoboxTags].filter(Boolean);
        return { subjectData, subjectName, collectComment, cleanCommentHtml, username, avatarUrl, apiTime, rating, overrideTags };
    }

    async function createStatusShareImage(doc = document) {
        const dark = doc.documentElement.getAttribute('data-theme') === 'dark';
        const contentWin = doc.defaultView || window;
        const { username, avatarUrl, postTime } = _getStatusAuthorInfo(doc);
        const replyCount = doc.querySelectorAll('.subReply .reply_item').length;

        const collectInfo = await _buildCollectionStatusInfo(doc, contentWin, username, avatarUrl, postTime);
        if (collectInfo) {
            const { subjectData, subjectName, collectComment, cleanCommentHtml, apiTime, rating, overrideTags } = collectInfo;
            await _doShareCard({
                username: '', postTime: '', avatarUrl: '', contentEl: null,
                pureTitle: subjectName,
                shareTitle: `${username}的收藏 - ${subjectName}`,
                contentDoc: doc, contentWin, dark,
                replies: [{ username, avatarUrl, content: collectComment.innerText?.trim() || '', contentHtml: cleanCommentHtml, time: apiTime, rating }],
                charImageUrl: subjectData?.imageUrl || '',
                badgeLabel: subjectData?.type || '作品',
                overrideTags,
            });
        } else {
            const contentEl = doc.querySelector('.statusContent .text');
            await _doShareCard({
                username, postTime, avatarUrl, contentEl,
                pureTitle: username + '的吐槽', contentDoc: doc, contentWin, dark,
                noCardTitle: true,
                overrideTags: replyCount ? [`${replyCount} 回复`, '吐槽'] : ['吐槽'],
            });
        }
    }

    async function createStatusReplyShareImage(replyLi, doc = document) {
        const dark = doc.documentElement.getAttribute('data-theme') === 'dark';
        const contentWin = doc.defaultView || window;
        const { username, avatarUrl, postTime } = _getStatusAuthorInfo(doc);

        const replyUserEl = replyLi.querySelector('a.l[href*="/user/"]');
        const replyUsername = replyUserEl?.textContent.trim() || '';
        const replySlug = replyUserEl?.getAttribute('href')?.match(/\/user\/([^\/]+)/)?.[1] || '';
        let replyAvatarUrl = '';
        if (replySlug) {
            const userInfo = await fetchBangumiAPI(`users/${replySlug}`);
            replyAvatarUrl = userInfo?.avatar?.medium || userInfo?.avatar?.large || '';
        }
        let replyHtml = '';
        let afterDash = false;
        replyLi.childNodes.forEach(n => {
            if (!afterDash) {
                if (n.nodeType === 1 && n.tagName === 'SPAN' && n.classList.contains('tip_j')) afterDash = true;
                return;
            }
            if (n.nodeType === 1 && n.classList?.contains(STATUS_REPLY_SHARE_BTN_CLASS)) return;
            replyHtml += n.nodeType === 3 ? n.textContent : n.outerHTML;
        });

        const replyCount = doc.querySelectorAll('.subReply .reply_item').length;
        const collectInfo = await _buildCollectionStatusInfo(doc, contentWin, username, avatarUrl, postTime);
        if (collectInfo) {
            const { subjectData, subjectName, collectComment, cleanCommentHtml, apiTime, rating, overrideTags } = collectInfo;
            await _doShareCard({
                username: '', postTime: '', avatarUrl: '', contentEl: null,
                pureTitle: subjectName,
                shareTitle: `${username}的收藏 - ${subjectName}`,
                contentDoc: doc, contentWin, dark,
                replies: [
                    { username, avatarUrl, content: collectComment.innerText?.trim() || '', contentHtml: cleanCommentHtml, time: apiTime, rating },
                    { username: replyUsername, avatarUrl: replyAvatarUrl, content: replyHtml.trim(), contentHtml: replyHtml.trim(), time: '' },
                ],
                charImageUrl: subjectData?.imageUrl || '',
                badgeLabel: subjectData?.type || '作品',
                overrideTags,
            });
        } else {
            const contentEl = doc.querySelector('.statusContent .text');
            await _doShareCard({
                username, postTime, avatarUrl, contentEl,
                pureTitle: username + '的吐槽', contentDoc: doc, contentWin, dark,
                noCardTitle: true,
                replies: [{ username: replyUsername, avatarUrl: replyAvatarUrl, content: replyHtml.trim(), contentHtml: replyHtml.trim(), time: '' }],
                overrideTags: replyCount ? [`${replyCount} 回复`, '吐槽'] : ['吐槽'],
            });
        }
    }

    const STATUS_REPLY_SHARE_BTN_CLASS = 'bgm-status-reply-share-btn';

    const insertStatusReplyButtons = (doc = document) => {
        if (!/\/user\/[^\/]+\/timeline\/status\/\d+/.test((doc.defaultView || window).location.pathname)) return;
        doc.querySelectorAll('.subReply .reply_item').forEach(li => {
            if (li.querySelector('.' + STATUS_REPLY_SHARE_BTN_CLASS)) return;
            const btn = doc.createElement('a');
            btn.href = 'javascript:void(0);';
            btn.className = STATUS_REPLY_SHARE_BTN_CLASS;
            btn.title = '分享回复';
            btn.style.cssText = 'display:inline-flex;align-items:center;gap:3px;margin-left:6px;vertical-align:middle;opacity:0.6;';
            btn.innerHTML = SHARE_SVG;
            li.appendChild(btn);
            btn.addEventListener('click', () => createStatusReplyShareImage(li, doc));
        });
    };

    const insertStatusShareButton = (doc = document) => {
        if (!/\/user\/[^\/]+\/timeline\/status\/\d+/.test((doc.defaultView || window).location.pathname)) return;
        if (doc.getElementById('bgm-status-share-btn')) return;
        const postActions = doc.querySelector('.statusContent .post_actions');
        if (!postActions) return;
        const btn = doc.createElement('a');
        btn.id = 'bgm-status-share-btn';
        btn.href = 'javascript:void(0);';
        btn.title = '分享吐槽';
        btn.style.cssText = 'color:inherit;display:inline-flex;align-items:center;margin-right:6px;opacity:0.75;';
        btn.innerHTML = SHARE_SVG;
        const dropdown = postActions.querySelector('.action.dropdown');
        dropdown ? dropdown.after(btn) : postActions.appendChild(btn);
        btn.addEventListener('click', () => createStatusShareImage(doc));
    };

    const TML_SHARE_BTN_CLASS = 'bgm-tml-share-btn';

    function fetchStatusReplyCount(statusUrl) {
        return new Promise(resolve => {
            GM_xmlhttpRequest({
                method: 'GET',
                url: statusUrl,
                onload: res => {
                    if (res.status !== 200) { resolve(0); return; }
                    const statusDoc = new DOMParser().parseFromString(res.responseText, 'text/html');
                    resolve(statusDoc.querySelectorAll('.subReply .reply_item').length);
                },
                onerror: () => resolve(0),
            });
        });
    }

    function extractTimelineVia(postActionsEl) {
        if (!postActionsEl) return '';
        const smallEl = postActionsEl.querySelector('small.grey');
        if (smallEl) return smallEl.textContent.trim();
        const titleTip = postActionsEl.querySelector('.titleTip');
        let node = titleTip ? titleTip.nextSibling : null;
        while (node) {
            if (node.nodeType === 3) {
                const text = node.textContent.replace(/[\u00B7·\s]/g, '').trim();
                if (text) return text;
            }
            node = node.nextSibling;
        }
        return '';
    }

    async function createTimelineShareImage(item, doc = document) {
        const dark = doc.documentElement.getAttribute('data-theme') === 'dark';
        const contentWin = doc.defaultView || window;
        let userSlug = item.getAttribute('data-item-user') || '';
        if (!userSlug) {
            // Own-user timeline has data-item-user="" — extract from tml_comment href or page URL
            userSlug = item.querySelector('.tml_comment')?.href?.match(/\/user\/([^\/]+)\/timeline/)?.[1]
                || (doc.defaultView || window).location.pathname.match(/\/user\/([^\/]+)\/timeline/)?.[1]
                || '';
        }

        const userLink = item.querySelector('.info a.l[href*="/user/"], .info_full a.l[href*="/user/"]');
        let username = userLink?.textContent.trim() || '';

        const _extractNeueAvatar = el => {
            if (!el) return '';
            const m = el.style.backgroundImage?.match(/url\(['"]?([^'"]+)['"]?\)/);
            return m ? m[1].replace(/^\/\//, 'https://') : '';
        };
        let avatarUrl = _extractNeueAvatar(item.querySelector('.avatar .avatarNeue'));
        if (!avatarUrl && userSlug) {
            const siblingNeue = doc.querySelector(`.tml_item[data-item-user="${CSS.escape(userSlug)}"] .avatar .avatarNeue`);
            avatarUrl = _extractNeueAvatar(siblingNeue);
        }
        // For .info_full items (timeline owner's entries), there is no username link or avatar span —
        // always fetch from API so username is authoritative (not a stale DOM fallback).
        const isInfoFull = !!item.querySelector('.info_full');
        if ((isInfoFull || !avatarUrl || !username) && userSlug) {
            const userInfo = await fetchBangumiAPI(`users/${userSlug}`);
            if (!avatarUrl) avatarUrl = userInfo?.avatar?.medium || userInfo?.avatar?.large || '';
            if (isInfoFull || !username) username = userInfo?.nickname || userInfo?.username || username;
        }

        const timeTip = item.querySelector('.post_actions .titleTip');
        const postTimeRaw = timeTip?.getAttribute('data-original-title') || timeTip?.textContent.trim() || '';
        const via = extractTimelineVia(item.querySelector('.post_actions'));
        const postTime = postTimeRaw + (via ? `  via ${via}` : '');

        const statusP = item.querySelector('.info p.status, .info_full p.status');
        const collectComment = item.querySelector('.collectInfo .comment');
        const blogLink = item.querySelector('.info a[href*="/blog/"], .info_full a[href*="/blog/"]');

        if (statusP && statusP.textContent.trim()) {
            const statusUrl = item.querySelector('.tml_comment')?.href;
            const replyCount = statusUrl ? await fetchStatusReplyCount(statusUrl) : 0;
            await _doShareCard({
                username, postTime, avatarUrl,
                contentEl: statusP,
                pureTitle: username + '的吐槽',
                contentDoc: doc, contentWin, dark,
                noCardTitle: true,
                overrideTags: replyCount ? [`${replyCount} 回复`, '吐槽'] : ['吐槽'],
            });
        } else if (collectComment && collectComment.textContent.trim()) {
            // Subject link is in .info, carries data-subject-id attribute
            const subjectLink = item.querySelector('a[data-subject-id]');
            const subjectId = subjectLink?.getAttribute('data-subject-id');

            // Collection status ("看过"/"在看" etc.) is in the text node just before the subject link
            let collectionStatus = '';
            if (subjectLink) {
                let node = subjectLink.previousSibling;
                while (node) {
                    if (node.nodeType === 3 && node.textContent.trim()) {
                        collectionStatus = node.textContent.trim().replace(/了$/, '');
                        break;
                    }
                    node = node.previousSibling;
                }
            }

            // Extract user rating and clean comment HTML (remove star span)
            const ratingEl = collectComment.querySelector('.starstop-s .starlight');
            const domRating = parseInt(ratingEl?.className.match(/stars(\d+)/)?.[1] || '0');
            const cleanCommentHtml = (() => {
                const tmp = document.createElement('div');
                tmp.innerHTML = collectComment.innerHTML;
                tmp.querySelector('.starstop-s')?.remove();
                return tmp.innerHTML.trim();
            })();

            const statusUrl = item.querySelector('.tml_comment')?.href;
            const statusUrlParsed = statusUrl ? new URL(statusUrl) : null;

            if (subjectId) {
                const subjectData = await fetchSubjectDataById(subjectId);
                const subjectName = subjectData?.name || subjectLink?.textContent.trim() || '作品';

                let rating = domRating;
                let userTags = null;
                let apiTime = postTime;

                if (userSlug) {
                    const collection = await fetchBangumiAPI(`users/${userSlug}/collections/${subjectId}`);
                    if (collection) {
                        rating = collection.rate || rating;
                        if (collection.updated_at) {
                            const d = new Date(collection.updated_at);
                            const pad = n => String(n).padStart(2, '0');
                            apiTime = `${d.getFullYear()}-${pad(d.getMonth()+1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}` + (via ? `  via ${via}` : '');
                        }
                        if (collection.tags?.length > 0) userTags = collection.tags;
                    }
                }

                const infoboxTags = (SUBJECT_INFOBOX_KEYS[subjectData?.typeNum] || [])
                    .map(key => getInfoboxValue(subjectData?.infobox, key))
                    .filter(Boolean);
                const overrideTags = userTags
                    ? [collectionStatus, ...userTags].filter(Boolean)
                    : [collectionStatus, ...infoboxTags].filter(Boolean);

                await _doShareCard({
                    username: '', postTime: '', avatarUrl: '', contentEl: null,
                    pureTitle: subjectName,
                    shareTitle: `${username}的收藏 - ${subjectName}`,
                    contentDoc: doc,
                    contentWin: statusUrlParsed
                        ? { location: { origin: statusUrlParsed.origin, pathname: statusUrlParsed.pathname } }
                        : { location: { origin: contentWin.location.origin, pathname: `/subject/${subjectId}` } },
                    dark,
                    replies: [{ username, avatarUrl, content: collectComment.innerText?.trim() || '', contentHtml: cleanCommentHtml, time: apiTime, rating }],
                    charImageUrl: subjectData?.imageUrl || '',
                    badgeLabel: subjectData?.type || '作品',
                    overrideTags,
                });
            } else {
                await _doShareCard({
                    username, postTime, avatarUrl,
                    contentEl: collectComment,
                    pureTitle: username + '的收藏',
                    contentDoc: doc, contentWin, dark,
                    noCardTitle: true,
                    overrideTags: ['收藏'],
                });
            }
        } else if (blogLink) {
            const blogUrl = blogLink.href;
            const blogHtml = await new Promise(resolve => {
                GM_xmlhttpRequest({
                    method: 'GET', url: blogUrl,
                    onload: res => resolve(res.status === 200 ? res.responseText : null),
                    onerror: () => resolve(null),
                });
            });
            const blogDoc = blogHtml ? new DOMParser().parseFromString(blogHtml, 'text/html') : null;
            const entryContent = blogDoc?.querySelector('#entry_content');
            let contentEl = null;
            if (entryContent) {
                contentEl = document.createElement('div');
                contentEl.innerHTML = entryContent.innerHTML;
            }
            let pureTitle = blogLink.textContent.trim();
            let topicTitle = '';
            let charImageUrl = '';
            let badgeLabel = '';
            const blogSubjectIds = blogDoc ? [...new Set(
                [...blogDoc.querySelectorAll('a[href]')]
                    .map(a => (a.getAttribute('href') || '').match(/\/subject\/(\d+)$/)?.[1])
                    .filter(Boolean)
            )] : [];
            if (blogSubjectIds.length === 1) {
                const subjectData = await fetchSubjectDataById(blogSubjectIds[0]);
                if (subjectData) {
                    topicTitle = pureTitle;
                    pureTitle = subjectData.name || pureTitle;
                    charImageUrl = subjectData.imageUrl || '';
                    badgeLabel = subjectData.type || '';
                }
            }
            const blogReplyCount = blogDoc?.querySelectorAll('[id^="post_"]').length || 0;
            const subjectNamesFromBlog = blogDoc ? [...new Set(
                [...blogDoc.querySelectorAll('a')]
                    .filter(a => /\/subject\/\d+$/.test(a.getAttribute('href') || '') && a.textContent.trim())
                    .map(a => a.textContent.trim())
            )] : [];
            const tagSubjects = subjectNamesFromBlog.length === 1 ? [] : subjectNamesFromBlog;
            const overrideTags = [...tagSubjects, `${blogReplyCount} 回复`, '日志'];
            const blogUrlParsed = new URL(blogUrl);
            await _doShareCard({
                username, postTime, avatarUrl,
                contentEl,
                pureTitle,
                contentDoc: doc,
                contentWin: { location: { origin: blogUrlParsed.origin, pathname: blogUrlParsed.pathname } },
                dark,
                charImageUrl, badgeLabel, topicTitle,
                overrideTags,
            });
        }
    }

    const TML_REPLY_SHARE_BTN_CLASS = 'bgm-tml-reply-share-btn';

    async function createTimelineReplyShareImage(replyLi, tmlItem, doc = document) {
        const dark = doc.documentElement.getAttribute('data-theme') === 'dark';
        const contentWin = doc.defaultView || window;

        let userSlug = tmlItem.getAttribute('data-item-user') || '';
        if (!userSlug) {
            userSlug = tmlItem.querySelector('.tml_comment')?.href?.match(/\/user\/([^\/]+)\/timeline/)?.[1]
                || (doc.defaultView || window).location.pathname.match(/\/user\/([^\/]+)\/timeline/)?.[1]
                || '';
        }
        const userLink = tmlItem.querySelector('.info a.l[href*="/user/"], .info_full a.l[href*="/user/"]');
        let username = userLink?.textContent.trim() || '';
        const _extractNeueAvatar = el => {
            if (!el) return '';
            const m = el.style.backgroundImage?.match(/url\(['"]?([^'"]+)['"]?\)/);
            return m ? m[1].replace(/^\/\//, 'https://') : '';
        };
        let avatarUrl = _extractNeueAvatar(tmlItem.querySelector('.avatar .avatarNeue'));
        if (!avatarUrl && userSlug) {
            const siblingNeue = doc.querySelector(`.tml_item[data-item-user="${CSS.escape(userSlug)}"] .avatar .avatarNeue`);
            avatarUrl = _extractNeueAvatar(siblingNeue);
        }
        const isInfoFull = !!tmlItem.querySelector('.info_full');
        if ((isInfoFull || !avatarUrl || !username) && userSlug) {
            const userInfo = await fetchBangumiAPI(`users/${userSlug}`);
            if (!avatarUrl) avatarUrl = userInfo?.avatar?.medium || userInfo?.avatar?.large || '';
            if (isInfoFull || !username) username = userInfo?.nickname || userInfo?.username || username;
        }

        const statusP = tmlItem.querySelector('.info p.status, .info_full p.status');
        const collectComment = tmlItem.querySelector('.collectInfo .comment');
        const contentEl = statusP || collectComment;
        const isCollect = !statusP && !!collectComment;

        const timeTip = tmlItem.querySelector('.post_actions .titleTip');
        const postTimeRaw = timeTip?.getAttribute('data-original-title') || timeTip?.textContent.trim() || '';
        const via = extractTimelineVia(tmlItem.querySelector('.post_actions'));
        const postTime = postTimeRaw + (via ? `  via ${via}` : '');

        const replyUserEl = replyLi.querySelector('a.l[href*="/user/"]');
        const replyUsername = replyUserEl?.textContent.trim() || '';
        const replySlug = replyUserEl?.getAttribute('href')?.match(/\/user\/([^\/]+)/)?.[1] || '';
        let replyAvatarUrl = '';
        if (replySlug) {
            const userInfo = await fetchBangumiAPI(`users/${replySlug}`);
            replyAvatarUrl = userInfo?.avatar?.medium || userInfo?.avatar?.large || '';
        }

        let replyHtml = '';
        let afterDash = false;
        replyLi.childNodes.forEach(n => {
            if (!afterDash) {
                if (n.nodeType === 1 && n.tagName === 'SPAN' && n.classList.contains('tip_j')) afterDash = true;
                return;
            }
            if (n.nodeType === 1 && n.classList?.contains(TML_REPLY_SHARE_BTN_CLASS)) return;
            replyHtml += n.nodeType === 3 ? n.textContent : n.outerHTML;
        });

        const statusUrl = tmlItem.querySelector('.tml_comment')?.href;
        const statusUrlParsed = statusUrl ? new URL(statusUrl) : null;
        const replyCount = tmlItem.querySelectorAll('.subReply .reply_item').length;

        if (isCollect) {
            const subjectLink = tmlItem.querySelector('a[data-subject-id]');
            const subjectId = subjectLink?.getAttribute('data-subject-id');
            let collectionStatus = '';
            if (subjectLink) {
                let node = subjectLink.previousSibling;
                while (node) {
                    if (node.nodeType === 3 && node.textContent.trim()) { collectionStatus = node.textContent.trim().replace(/了$/, ''); break; }
                    node = node.previousSibling;
                }
            }
            const ratingEl = collectComment.querySelector('.starstop-s .starlight');
            const domRating = parseInt(ratingEl?.className.match(/stars(\d+)/)?.[1] || '0');
            const cleanCommentHtml = (() => {
                const tmp = document.createElement('div');
                tmp.innerHTML = collectComment.innerHTML;
                tmp.querySelector('.starstop-s')?.remove();
                return tmp.innerHTML.trim();
            })();

            if (subjectId) {
                const subjectData = await fetchSubjectDataById(subjectId);
                const subjectName = subjectData?.name || subjectLink?.textContent.trim() || '作品';
                let rating = domRating;
                let userTags = null;
                let apiTime = postTime;
                if (userSlug) {
                    const collection = await fetchBangumiAPI(`users/${userSlug}/collections/${subjectId}`);
                    if (collection) {
                        rating = collection.rate || rating;
                        if (collection.updated_at) {
                            const d = new Date(collection.updated_at);
                            const pad = n => String(n).padStart(2, '0');
                            apiTime = `${d.getFullYear()}-${pad(d.getMonth()+1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}` + (via ? `  via ${via}` : '');
                        }
                        if (collection.tags?.length > 0) userTags = collection.tags;
                    }
                }
                const infoboxTags = (SUBJECT_INFOBOX_KEYS[subjectData?.typeNum] || [])
                    .map(key => getInfoboxValue(subjectData?.infobox, key))
                    .filter(Boolean);
                const overrideTags = userTags
                    ? [collectionStatus, ...userTags].filter(Boolean)
                    : [collectionStatus, ...infoboxTags].filter(Boolean);
                await _doShareCard({
                    username: '', postTime: '', avatarUrl: '', contentEl: null,
                    pureTitle: subjectName,
                    shareTitle: `${username}的收藏 - ${subjectName}`,
                    contentDoc: doc,
                    contentWin: statusUrlParsed
                        ? { location: { origin: statusUrlParsed.origin, pathname: statusUrlParsed.pathname } }
                        : { location: { origin: contentWin.location.origin, pathname: `/subject/${subjectId}` } },
                    dark,
                    replies: [
                        { username, avatarUrl, content: collectComment.innerText?.trim() || '', contentHtml: cleanCommentHtml, time: apiTime, rating },
                        { username: replyUsername, avatarUrl: replyAvatarUrl, content: replyHtml.trim(), contentHtml: replyHtml.trim(), time: '' },
                    ],
                    charImageUrl: subjectData?.imageUrl || '',
                    badgeLabel: subjectData?.type || '作品',
                    overrideTags,
                });
            } else {
                await _doShareCard({
                    username, postTime, avatarUrl,
                    contentEl: collectComment,
                    pureTitle: username + '的收藏',
                    contentDoc: doc,
                    contentWin: statusUrlParsed
                        ? { location: { origin: statusUrlParsed.origin, pathname: statusUrlParsed.pathname } }
                        : contentWin,
                    dark, noCardTitle: true,
                    replies: [{ username: replyUsername, avatarUrl: replyAvatarUrl, content: replyHtml.trim(), contentHtml: replyHtml.trim(), time: '' }],
                    overrideTags: ['收藏'],
                });
            }
        } else {
            await _doShareCard({
                username, postTime, avatarUrl,
                contentEl,
                pureTitle: username + '的吐槽',
                contentDoc: doc,
                contentWin: statusUrlParsed
                    ? { location: { origin: statusUrlParsed.origin, pathname: statusUrlParsed.pathname } }
                    : contentWin,
                dark, noCardTitle: true,
                replies: [{ username: replyUsername, avatarUrl: replyAvatarUrl, content: replyHtml.trim(), contentHtml: replyHtml.trim(), time: '' }],
                overrideTags: replyCount ? [`${replyCount} 回复`, '吐槽'] : ['吐槽'],
            });
        }
    }

    const insertTimelineShareButtons = (doc = document) => {
        doc.querySelectorAll('.tml_item').forEach(item => {
            if (item.querySelector('.' + TML_SHARE_BTN_CLASS)) return;

            const statusP = item.querySelector('.info p.status, .info_full p.status');
            const collectComment = item.querySelector('.collectInfo .comment');
            const blogLink = item.querySelector('.info a[href*="/blog/"], .info_full a[href*="/blog/"]');
            const hasContent = (statusP?.textContent.trim()) || (collectComment?.textContent.trim()) || blogLink;
            if (!hasContent) return;

            const postActions = item.querySelector('.post_actions');
            if (!postActions) return;

            const btn = doc.createElement('a');
            btn.href = 'javascript:void(0);';
            btn.className = TML_SHARE_BTN_CLASS;
            btn.title = '分享';
            btn.style.cssText = 'color:inherit;display:inline-flex;align-items:center;margin-right:6px;opacity:0.75;cursor:pointer;';
            btn.innerHTML = SHARE_SVG;

            const dropdown = postActions.querySelector('.action.dropdown');
            dropdown ? dropdown.after(btn) : postActions.prepend(btn);

            btn.addEventListener('click', () => createTimelineShareImage(item, doc));
        });

        doc.querySelectorAll('.tml_item').forEach(item => {
            if (!item.querySelector('.info p.status, .info_full p.status') && !item.querySelector('.collectInfo .comment')) return;
            item.querySelectorAll('.subReply .reply_item').forEach(li => {
                if (li.querySelector('.' + TML_REPLY_SHARE_BTN_CLASS)) return;
                const btn = doc.createElement('a');
                btn.href = 'javascript:void(0);';
                btn.className = TML_REPLY_SHARE_BTN_CLASS;
                btn.title = '分享回复';
                btn.style.cssText = 'display:inline-flex;align-items:center;gap:3px;margin-left:6px;vertical-align:middle;opacity:0.6;cursor:pointer;';
                btn.innerHTML = SHARE_SVG;
                li.appendChild(btn);
                btn.addEventListener('click', () => createTimelineReplyShareImage(li, item, doc));
            });
        });
    };

    const observeTimeline = (doc = document) => {
        const root = doc.querySelector('#columnTimelineA') || doc.querySelector('#main') || doc.body;
        if (!root) return;
        let debounce = null;
        const obs = new MutationObserver(() => {
            clearTimeout(debounce);
            debounce = setTimeout(() => insertTimelineShareButtons(doc), 150);
        });
        obs.observe(root, { childList: true, subtree: true });
    };

    const observeReplies = (targetDoc) => {
        const observer = new MutationObserver(() => {
            insertReplyButtons(targetDoc);
            insertSubjectCommentButtons(targetDoc);
        });
        const root = targetDoc.getElementById('comment_list') || targetDoc.getElementById('reply_list')
            || targetDoc.getElementById('comment_box') || targetDoc.body;
        if (root) observer.observe(root, { childList: true, subtree: true });
    };

    // 超展开:在外层页面监听 #right iframe 导航,注入按钮
    const rightFrame = document.getElementById('right');
    if (rightFrame && rightFrame.tagName === 'IFRAME') {
        const onRightFrameLoad = () => {
            setTimeout(() => {
                try {
                    const iDoc = rightFrame.contentDocument;
                    const iUrl = rightFrame.contentWindow.location.href;
                    if (/\/(group\/topic|subject(?:\/\d+)?\/topic)\//.test(iUrl) || /\/blog\/\d+/.test(iUrl) || /\/ep\/\d+/.test(iUrl) || /\/character\/\d+/.test(iUrl) || /\/person\/\d+/.test(iUrl)) {
                        insertButton(iDoc);
                        insertReplyButtons(iDoc);
                        observeReplies(iDoc);
                    }
                } catch (e) {}
            }, 800);
        };
        rightFrame.addEventListener('load', onRightFrameLoad);
    } else {
        setTimeout(() => { insertButton(); insertReplyButtons(); insertSubjectCommentButtons(); insertCollectionPageButtons(); insertBrowserListButtons(); insertMyCollectionShareButton(); insertStatusShareButton(); insertStatusReplyButtons(); insertTimelineShareButtons(); observeTimeline(); observeReplies(document); }, 500);
    }

    checkOAuthCallback();
    refreshBgmTokenIfNeeded();

    if (document.getElementById('customize-panel')) {
        injectShareSettingsTab();
    } else {
        const _panelObs = new MutationObserver(() => {
            if (document.getElementById('customize-panel')) {
                _panelObs.disconnect();
                injectShareSettingsTab();
            }
        });
        _panelObs.observe(document.body, { childList: true, subtree: true });
    }
})();