*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
            background: #f5f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            text-decoration: none;
            color: #2563eb;
            transition: color 0.2s;
        }
        a:hover {
            color: #1e40af;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.04);
            border-radius: 24px;
            padding: 20px 24px 40px;
        }
        @media (min-width: 768px) {
            .container {
                padding: 32px 48px 60px;
            }
            body {
                padding: 24px 32px;
            }
        }
        h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 12px 0;
            color: #0f172a;
        }
        h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 40px 0 16px 0;
            padding-bottom: 6px;
            border-bottom: 3px solid #e2e8f0;
            color: #0f172a;
        }
        h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 28px 0 12px 0;
            color: #1e293b;
        }
        h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 20px 0 8px 0;
            color: #334155;
        }
        p {
            margin-bottom: 18px;
            color: #1e293b;
        }
        .lead {
            font-size: 1.15rem;
            color: #334155;
            font-weight: 400;
        }
        strong {
            color: #0f172a;
        }
        .emoji {
            font-style: normal;
        }
        .header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            border-bottom: 2px solid #eef2f7;
            margin-bottom: 20px;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #2563eb, #7c3aed);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            -webkit-text-fill-color: #2563eb;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .nav-toggle {
            display: block;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: #1e293b;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #eef2f7;
        }
        .nav-menu {
            display: none;
            width: 100%;
            flex-direction: column;
            gap: 6px;
            padding: 16px 0 8px;
            border-top: 1px solid #eef2f7;
            margin-top: 12px;
        }
        .nav-menu.active {
            display: flex;
        }
        .nav-menu a {
            padding: 10px 14px;
            border-radius: 10px;
            font-weight: 500;
            color: #1e293b;
            transition: background 0.2s, color 0.2s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-menu a i {
            width: 20px;
            color: #2563eb;
        }
        .nav-menu a:hover {
            background: #eef2f7;
            color: #2563eb;
            text-decoration: none;
        }
        @media (min-width: 768px) {
            .nav-toggle {
                display: none;
            }
            .nav-menu {
                display: flex !important;
                width: auto;
                flex-direction: row;
                border-top: none;
                margin-top: 0;
                padding: 0;
                gap: 4px;
            }
            .nav-menu a {
                padding: 8px 16px;
                border-radius: 20px;
                font-size: 0.95rem;
            }
            .header {
                flex-wrap: nowrap;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 10px;
            font-size: 0.85rem;
            color: #64748b;
            padding: 8px 0 16px;
            margin-bottom: 8px;
        }
        .breadcrumb a {
            color: #64748b;
            font-weight: 400;
        }
        .breadcrumb a:hover {
            color: #2563eb;
        }
        .breadcrumb span.sep {
            color: #94a3b8;
        }
        .breadcrumb .current {
            color: #0f172a;
            font-weight: 500;
        }
        .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 0.9rem;
            color: #64748b;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid #eef2f7;
        }
        .meta-line i {
            margin-right: 6px;
            color: #2563eb;
        }
        .meta-line .update-badge {
            background: #dbeafe;
            color: #1e40af;
            padding: 2px 14px;
            border-radius: 20px;
            font-weight: 500;
            font-size: 0.8rem;
        }
        .featured-image-wrap {
            margin: 20px 0 32px;
            border-radius: 16px;
            overflow: hidden;
            background: #f1f5f9;
        }
        .featured-image-wrap img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image-wrap figcaption {
            padding: 10px 16px;
            font-size: 0.85rem;
            color: #64748b;
            background: #f8fafc;
            border-top: 1px solid #e2e8f0;
        }
        .content-section {
            margin-bottom: 32px;
        }
        .highlight-box {
            background: #f0f4ff;
            border-left: 4px solid #2563eb;
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .highlight-box p {
            margin-bottom: 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .stat-card {
            background: #f8fafc;
            border-radius: 16px;
            padding: 20px 16px;
            text-align: center;
            border: 1px solid #e2e8f0;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #2563eb;
            display: block;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #475569;
            margin-top: 4px;
        }
        .interview-block {
            background: #faf5ff;
            border-radius: 16px;
            padding: 20px 24px;
            margin: 24px 0;
            border: 1px solid #e9d5ff;
        }
        .interview-block .speaker {
            font-weight: 700;
            color: #6b21a8;
        }
        .interview-block .quote {
            font-style: italic;
            margin: 8px 0 0 0;
            padding-left: 16px;
            border-left: 3px solid #a855f7;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            margin: 16px 0 20px;
            padding: 0;
            list-style: none;
        }
        .link-list-inline li a {
            background: #f1f5f9;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #1e293b;
            transition: background 0.2s, color 0.2s;
        }
        .link-list-inline li a:hover {
            background: #2563eb;
            color: #fff;
            text-decoration: none;
        }
        .search-wrap {
            background: #f8fafc;
            border-radius: 16px;
            padding: 24px 20px;
            margin: 32px 0 20px;
            border: 1px solid #e2e8f0;
        }
        .search-wrap form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .search-wrap input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 1px solid #d1d5db;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s, box-shadow 0.2s;
        }
        .search-wrap input[type="text"]:focus {
            border-color: #2563eb;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
        }
        .search-wrap button {
            padding: 12px 28px;
            background: #2563eb;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-wrap button:hover {
            background: #1e40af;
            transform: scale(1.02);
        }
        .comments-wrap {
            background: #f8fafc;
            border-radius: 16px;
            padding: 24px 20px;
            margin: 28px 0;
            border: 1px solid #e2e8f0;
        }
        .comments-wrap h3 {
            margin-top: 0;
        }
        .comments-wrap form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 12px;
        }
        .comments-wrap input,
        .comments-wrap textarea {
            width: 100%;
            padding: 12px 18px;
            border: 1px solid #d1d5db;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.2s, box-shadow 0.2s;
        }
        .comments-wrap input:focus,
        .comments-wrap textarea:focus {
            border-color: #2563eb;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }
        .comments-wrap textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comments-wrap button {
            align-self: flex-start;
            padding: 12px 32px;
            background: #2563eb;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comments-wrap button:hover {
            background: #1e40af;
            transform: scale(1.02);
        }
        .rating-wrap {
            background: #fffbeb;
            border-radius: 16px;
            padding: 24px 20px;
            margin: 28px 0;
            border: 1px solid #fde68a;
        }
        .rating-wrap .stars {
            display: flex;
            gap: 6px;
            font-size: 2rem;
            color: #f59e0b;
            cursor: pointer;
            margin: 8px 0 12px;
            flex-wrap: wrap;
        }
        .rating-wrap .stars i {
            transition: transform 0.15s, color 0.15s;
        }
        .rating-wrap .stars i:hover {
            transform: scale(1.25);
            color: #d97706;
        }
        .rating-wrap form {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
        }
        .rating-wrap form input[type="hidden"] {
            display: none;
        }
        .rating-wrap form button {
            padding: 10px 24px;
            background: #f59e0b;
            color: #1a1a2e;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .rating-wrap form button:hover {
            background: #d97706;
            transform: scale(1.02);
        }
        .footer {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 2px solid #eef2f7;
            font-size: 0.9rem;
            color: #64748b;
        }
        .footer friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            padding: 12px 0 16px;
            font-style: normal;
        }
        .footer friend-link a {
            font-weight: 500;
            color: #2563eb;
        }
        .footer friend-link a:hover {
            color: #1e40af;
        }
        .footer .copyright {
            padding-top: 12px;
            border-top: 1px solid #eef2f7;
            font-size: 0.85rem;
            color: #94a3b8;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
        }
        .footer .copyright a {
            color: #94a3b8;
        }
        .footer .copyright a:hover {
            color: #2563eb;
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .container {
                padding: 12px 12px 28px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .meta-line {
                font-size: 0.8rem;
                gap: 8px 16px;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 40px 64px 70px;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .text-sm {
            font-size: 0.9rem;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }