*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a2a3a;
            --secondary: #c8962e;
            --accent: #e8d5a3;
            --bg: #faf7f0;
            --text: #2c2c2c;
            --light: #ffffff;
            --gray: #6b6b6b;
            --border: #ddd8ce;
            --radius: 8px;
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #a87a1e;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--primary);
            color: var(--light);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--secondary);
            background: linear-gradient(135deg, #f5d37c, #c8962e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: var(--light);
            color: var(--light);
            display: block;
            font-weight: 400;
            letter-spacing: 0.5px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            transition: opacity 0.2s;
        }
        .hamburger:hover {
            opacity: 0.8;
        }
        nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        nav a:hover {
            background: var(--secondary);
            color: var(--primary);
        }
        .nav-open {
            display: flex !important;
        }
        .breadcrumb {
            background: var(--light);
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: var(--gray);
            margin-right: 10px;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }
        main {
            padding: 30px 0 50px;
        }
        .article-header {
            margin-bottom: 30px;
        }
        .article-header h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .article-header .meta {
            color: var(--gray);
            font-size: 0.95rem;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .article-header .meta i {
            margin-right: 4px;
        }
        .featured-image {
            margin: 24px 0 30px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: var(--light);
            padding: 10px 16px;
            font-size: 0.85rem;
            color: var(--gray);
            border-top: 1px solid var(--border);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-main {
            min-width: 0;
        }
        .content-main h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 6px;
            border-bottom: 3px solid var(--secondary);
        }
        .content-main h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .content-main h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .content-main p {
            margin-bottom: 18px;
            font-size: 1.05rem;
        }
        .content-main ul,
        .content-main ol {
            margin: 10px 0 20px 24px;
        }
        .content-main li {
            margin-bottom: 6px;
            font-size: 1.02rem;
        }
        .content-main blockquote {
            background: var(--light);
            border-left: 4px solid var(--secondary);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
            font-style: italic;
            color: #444;
            box-shadow: var(--shadow);
        }
        .content-main .highlight-box {
            background: linear-gradient(135deg, #fdf8ee, #faf3e0);
            border: 1px solid var(--accent);
            padding: 20px 24px;
            border-radius: var(--radius);
            margin: 24px 0;
        }
        .content-main .highlight-box strong {
            color: var(--secondary);
        }
        .content-main table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            background: var(--light);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .content-main table th {
            background: var(--primary);
            color: var(--light);
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .content-main table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border);
        }
        .content-main table tr:last-child td {
            border-bottom: none;
        }
        .content-main .interview {
            background: var(--light);
            border-radius: var(--radius);
            padding: 24px;
            margin: 24px 0;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .content-main .interview .speaker {
            font-weight: 700;
            color: var(--primary);
        }
        .content-main .interview .speaker::after {
            content: ": ";
            color: var(--secondary);
        }
        .content-main .stat {
            display: inline-block;
            background: var(--primary);
            color: var(--light);
            padding: 2px 12px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
        }
        .sidebar {
            position: sticky;
            top: 90px;
            align-self: start;
        }
        .sidebar-card {
            background: var(--light);
            border-radius: var(--radius);
            padding: 20px;
            margin-bottom: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 6px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            margin-bottom: 8px;
            font-size: 0.95rem;
        }
        .sidebar-card li a {
            color: var(--text);
            display: block;
            padding: 4px 0;
            border-bottom: 1px solid #f0ece4;
            transition: color 0.2s, padding-left 0.2s;
        }
        .sidebar-card li a:hover {
            color: var(--secondary);
            padding-left: 6px;
        }
        .sidebar-card li a i {
            color: var(--secondary);
            width: 20px;
            text-align: center;
            margin-right: 6px;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 20px 0 30px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s;
            background: var(--light);
        }
        .search-form input:focus {
            border-color: var(--secondary);
        }
        .search-form button {
            padding: 12px 28px;
            background: var(--secondary);
            color: var(--primary);
            border: none;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-form button:hover {
            background: #dba82a;
            transform: scale(1.02);
        }
        .feedback-section {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px solid var(--border);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .feedback-card {
            background: var(--light);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .feedback-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: border-color 0.2s;
            background: #fefcf8;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: var(--secondary);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .star-rating {
            display: flex;
            gap: 4px;
            direction: rtl;
            justify-content: flex-end;
        }
        .feedback-card .star-rating input {
            display: none;
        }
        .feedback-card .star-rating label {
            font-size: 1.7rem;
            color: var(--border);
            cursor: pointer;
            transition: color 0.2s;
        }
        .feedback-card .star-rating input:checked~label,
        .feedback-card .star-rating label:hover,
        .feedback-card .star-rating label:hover~label {
            color: var(--secondary);
        }
        .feedback-card .btn-submit {
            padding: 12px 20px;
            background: var(--primary);
            color: var(--light);
            border: none;
            border-radius: 6px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .feedback-card .btn-submit:hover {
            background: #243b4f;
        }
        friend-link {
            display: block;
            background: var(--light);
            border-top: 2px solid var(--border);
            padding: 30px 0;
            margin-top: 40px;
        }
        friend-link .friend-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        friend-link h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            padding: 0;
        }
        friend-link li a {
            color: var(--secondary);
            font-weight: 500;
            font-size: 0.95rem;
        }
        friend-link li a:hover {
            color: #a87a1e;
            text-decoration: underline;
        }
        footer {
            background: var(--primary);
            color: var(--accent);
            padding: 30px 0 20px;
            font-size: 0.9rem;
        }
        footer .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        footer .copyright {
            opacity: 0.8;
            font-size: 0.85rem;
        }
        footer .footer-links a {
            color: var(--accent);
            margin: 0 8px;
        }
        footer .footer-links a:hover {
            color: var(--secondary);
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .article-header h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 8px;
            }
            nav a {
                width: 100%;
                padding: 10px 0;
                border-radius: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .nav-open {
                display: flex !important;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .article-header h1 {
                font-size: 1.6rem;
            }
            .content-main h2 {
                font-size: 1.5rem;
            }
            .content-main h3 {
                font-size: 1.2rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
            .header-inner .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .article-header h1 {
                font-size: 1.4rem;
            }
            .content-main p {
                font-size: 0.98rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .tag {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }