/* استایل‌های اصلی مشابه */
        :root {
            --primary: #0f172a;
            --accent: #3b82f6;
            --bg-body: #f8fafc;
            --bg-white: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius: 12px;
            --container: 1100px;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Vazirmatn', sans-serif; background-color: var(--bg-body); color: var(--text-main); line-height: 1.8; }
        a { text-decoration: none; color: inherit; transition: 0.3s; }
        img { max-width: 100%; display: block; border-radius: var(--radius); }
        .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

        /* هدر ساده */
        header { position: sticky; top: 0; z-index: 1000; background-color: var(--bg-white); border-bottom: 1px solid var(--border); height: 70px; display: flex; align-items: center; box-shadow: 0 1px 2px rgba(0,0,0,0.05); }
        .navbar { display: flex; justify-content: space-between; align-items: center; width: 100%; }
        .brand { font-size: 1.5rem; font-weight: 800; color: var(--primary); display: flex; align-items: center; gap: 10px; }
        .back-btn { display: inline-flex; align-items: center; gap: 5px; color: var(--text-muted); cursor: pointer; font-size: 0.9rem; }
        .back-btn:hover { color: var(--accent); }

        /* --- 1. بخش هیرو مقاله (تصویر + عنوان) --- */
        .article-hero { margin-bottom: 60px; }
        .featured-image {
            width: 100%;
            height: 500px;
            object-fit: cover;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg); /* سایه زیر عکس */
            margin-bottom: 30px;
        }
        
        .article-header-text { text-align: center; max-width: 800px; margin: 0 auto; }
        .article-title { font-size: 2.5rem; font-weight: 800; color: var(--primary); margin-bottom: 20px; line-height: 1.4; }
        .article-meta { display: flex; justify-content: center; gap: 30px; color: var(--text-muted); font-size: 0.9rem; border-bottom: 1px solid var(--border); padding-bottom: 20px; }
        .meta-item i { margin-left: 8px; color: var(--accent); }

        /* --- 2. متن مقاله --- */
        .article-content-wrapper {
            background: var(--bg-white);
            padding: 60px;
            border-radius: var(--radius);
            margin-bottom: 60px;
            box-shadow: var(--shadow-sm);
        }
        .article-body p { margin-bottom: 25px; font-size: 1.15rem; color: #334155; text-align: justify; }
        .article-body h3 { font-size: 1.8rem; color: var(--primary); margin: 50px 0 20px; }
        .article-body ul { margin-bottom: 25px; padding-right: 25px; }
        .article-body li { margin-bottom: 12px; color: #334155; }

        /* --- 3. بخش مقالات اخیر/مرتبط --- */
        .section-title { font-size: 1.8rem; font-weight: 800; color: var(--primary); margin-bottom: 30px; position: relative; display: inline-block; }
        .section-title::after { content: ''; position: absolute; bottom: -8px; right: 0; width: 50px; height: 4px; background: var(--accent); border-radius: 2px; }
        
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 80px;
        }
        .related-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: 0.3s;
            cursor: pointer;
        }
        .related-card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.05); border-color: var(--accent); }
        .related-card img { height: 180px; width: 100%; object-fit: cover; border-radius: 0; }
        .related-body { padding: 20px; }
        .related-title { font-weight: 700; font-size: 1.1rem; margin-bottom: 10px; color: var(--primary); }

        /* --- 4. بخش نظرات --- */
        .comments-section { background: var(--bg-white); padding: 40px; border-radius: var(--radius); margin-bottom: 60px; border: 1px solid var(--border); }
        
        /* فرم نظر */
        .comment-form { margin-bottom: 50px; padding-bottom: 30px; border-bottom: 1px solid var(--border); }
        .form-group { margin-bottom: 20px; }
        .form-control { width: 100%; padding: 15px; border: 1px solid var(--border); border-radius: 8px; font-family: inherit; transition: 0.3s; }
        .form-control:focus { border-color: var(--accent); outline: none; }
        textarea.form-control { resize: vertical; height: 120px; }
        .btn-submit { background-color: var(--primary); color: white; padding: 12px 30px; border: none; border-radius: 6px; font-weight: 600; cursor: pointer; transition: 0.3s; }
        .btn-submit:hover { background-color: var(--accent); }

        /* لیست نظرات */
        .comment-list { display: flex; flex-direction: column; gap: 30px; }
        .comment-item { display: flex; gap: 20px; }
        .user-avatar { width: 60px; height: 60px; background: #e2e8f0; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--text-muted); flex-shrink: 0; }
        .comment-content-box { flex-grow: 1; background: #f8fafc; padding: 20px; border-radius: 12px; position: relative; }
        .comment-content-box::before { content: ''; position: absolute; top: 20px; right: -10px; border-width: 10px; border-style: solid; border-color: transparent #f8fafc transparent transparent; }
        .comment-header { display: flex; justify-content: space-between; margin-bottom: 10px; }
        .user-name { font-weight: 700; color: var(--primary); }
        .comment-date { font-size: 0.8rem; color: var(--text-muted); }
        .comment-text { color: #475569; line-height: 1.6; }

        @media(max-width: 768px) {
            .featured-image { height: 250px; }
            .article-content-wrapper { padding: 30px 20px; }
            .article-title { font-size: 1.8rem; }
            .related-grid { grid-template-columns: 1fr; }
            .comment-item { flex-direction: column; }
        }
        
        .captcha-group {
            margin-top: 20px;
        }

        .captcha-container {
            display: flex;
            align-items: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .captcha-image img {
            border-radius: var(--radius);
            border: 1px solid var(--border);
            height: 50px;
            width: auto;
        }

        /* استایل اینپوت کپچا */
        .captcha-container input[type="text"] {
            flex: 1;
            min-width: 150px;
            padding: 10px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            font-family: 'Vazirmatn', sans-serif;
            font-size: 1rem;
            background: var(--bg-body);
            transition: border-color 0.3s ease;
        }

        .captcha-container input[type="text"]:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }

        /* استایل هیدن فیلدها */
        .captcha-container input[type="hidden"] {
            display: none;
        }