.profile-hero { padding: 140px 0 0; }
        .profile-header {
            display: flex;
            gap: 48px;
            align-items: flex-start;
            max-width: 960px;
            margin: 0 auto;
            padding: 48px 0 0;
        }
        .profile-photo-wrap {
            flex-shrink: 0;
            width: 220px;
            height: 220px;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .profile-photo-wrap img { width: 100%; height: 100%; object-fit: cover; }
        .profile-intro { flex: 1; }
        .profile-back { color: var(--primary); text-decoration: none; font-size: 0.9rem; display: inline-block; margin-bottom: 14px; }
        .profile-back:hover { text-decoration: underline; }
        .profile-name { font-family: var(--font-heading); font-size: 2.5rem; font-weight: 800; color: var(--text-dark); margin-bottom: 4px; }
        .profile-role { color: var(--primary); font-weight: 700; font-size: 1.1rem; margin-bottom: 6px; }
        .profile-location { color: var(--text-gray); font-size: 0.9rem; margin-bottom: 16px; }
        .profile-headline { color: var(--text-gray); font-size: 1rem; line-height: 1.7; margin-bottom: 18px; }
        .profile-social { display: flex; gap: 12px; align-items: center; }
        .profile-social a { display: inline-flex; align-items: center; gap: 6px; color: #0A66C2; text-decoration: none; font-weight: 600; font-size: 0.9rem; padding: 8px 16px; border-radius: 10px; border: 1px solid #0A66C2; transition: var(--transition); }
        .profile-social a:hover { background: #0A66C2; color: white; }
        .profile-social svg { width: 18px; height: 18px; }
        .profile-social-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); text-decoration: none; font-weight: 600; font-size: 0.9rem; padding: 8px 16px; border-radius: 10px; border: 1px solid var(--primary); transition: var(--transition); }
        .profile-social-link:hover { background: var(--primary); color: white; }

        .profile-body { max-width: 960px; margin: 0 auto; padding: 48px 0 0; }
        .profile-section { margin-bottom: 48px; }
        .profile-section h2 { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--text-dark); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--border-color); }
        .profile-section p { color: var(--text-gray); line-height: 1.85; font-size: 1rem; margin-bottom: 14px; }

        .expertise-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .expertise-tag { background: var(--bg-light); color: var(--text-dark); padding: 6px 14px; border-radius: 8px; font-size: 0.85rem; font-weight: 500; border: 1px solid var(--border-color); }

        .timeline { list-style: none; padding: 0; margin: 0; }
        .timeline li { position: relative; padding: 0 0 24px 28px; border-left: 2px solid var(--border-color); }
        .timeline li:last-child { border-left-color: transparent; padding-bottom: 0; }
        .timeline li::before { content: ''; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); }
        .timeline-role { font-weight: 700; color: var(--text-dark); font-size: 1rem; }
        .timeline-company { color: var(--text-gray); font-size: 0.9rem; }
        .timeline-dates { color: var(--text-light); font-size: 0.85rem; margin-top: 2px; }

        .edu-item { margin-bottom: 16px; }
        .edu-degree { font-weight: 700; color: var(--text-dark); }
        .edu-school { color: var(--text-gray); font-size: 0.9rem; }

        .articles-list { list-style: none; padding: 0; margin: 0; }
        .articles-list li { margin-bottom: 12px; }
        .articles-list a { color: var(--primary); text-decoration: none; font-weight: 500; font-size: 1rem; }
        .articles-list a:hover { text-decoration: underline; }
        .articles-list .placeholder { color: var(--text-light); font-style: italic; }

        @media (max-width: 768px) {
            .profile-header { flex-direction: column; align-items: center; text-align: center; gap: 24px; }
            .profile-photo-wrap { width: 160px; height: 160px; }
            .profile-name { font-size: 2rem; }
            .profile-social { justify-content: center; }
        }