*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a4a2e;
            --primary-light: #2d6a4f;
            --primary-dark: #0f2d1c;
            --accent: #d4a017;
            --accent-light: #e8b84b;
            --accent-dark: #b8860b;
            --bg: #f5f2eb;
            --bg-card: #ffffff;
            --text: #1e1e1e;
            --text-light: #4a4a4a;
            --text-muted: #6b6b6b;
            --border: #d6cdb8;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.14);
            --radius: 12px;
            --radius-sm: 6px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding-top: var(--header-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: var(--primary-dark);
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            gap: 20px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 1px;
            text-transform: uppercase;
            text-decoration: none;
            flex-shrink: 0;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
            color: var(--accent-light);
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-main li a {
            color: #f0f0f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.25s, color 0.25s;
            text-decoration: none;
        }
        .nav-main li a:hover {
            border-bottom-color: var(--accent);
            color: var(--accent);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 8px;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
            transition: transform 0.3s, opacity 0.3s;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }
        .nav-mobile {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--primary-dark);
            padding: 20px 24px 30px;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
            z-index: 999;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }
        .nav-mobile.open {
            display: block;
        }
        .nav-mobile ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-mobile ul li a {
            display: block;
            color: #f0f0f0;
            font-size: 1.1rem;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }
        .nav-mobile ul li a:hover {
            color: var(--accent);
        }
        .breadcrumb {
            background: var(--bg);
            padding: 14px 0 6px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 12px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            color: #fff;
            padding: 60px 0 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "♠ ♥ ♦ ♣";
            position: absolute;
            bottom: -10px;
            right: -10px;
            font-size: 8rem;
            opacity: 0.04;
            letter-spacing: 20px;
            pointer-events: none;
            font-weight: 700;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            color: var(--accent);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 720px;
            margin: 0 auto 8px;
            opacity: 0.92;
            line-height: 1.6;
        }
        .hero .badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.85rem;
            margin-top: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-body h2 {
            font-size: 1.9rem;
            color: var(--primary);
            margin-top: 2.2rem;
            margin-bottom: 0.8rem;
            padding-bottom: 6px;
            border-bottom: 3px solid var(--accent);
            display: inline-block;
        }
        .article-body h3 {
            font-size: 1.4rem;
            color: var(--primary-light);
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        .article-body h4 {
            font-size: 1.15rem;
            color: var(--text);
            margin-top: 1.4rem;
            margin-bottom: 0.4rem;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .article-body .highlight {
            background: #fef9e7;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .article-body blockquote {
            border-left: 5px solid var(--accent);
            background: var(--bg-card);
            padding: 18px 24px;
            margin: 1.6rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
            box-shadow: var(--shadow);
        }
        .article-body .insight-box {
            background: var(--primary);
            color: #fff;
            padding: 20px 24px;
            border-radius: var(--radius);
            margin: 1.6rem 0;
            box-shadow: var(--shadow);
        }
        .article-body .insight-box strong {
            color: var(--accent-light);
        }
        .content-image {
            margin: 2rem 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .content-image figcaption {
            background: var(--bg-card);
            padding: 10px 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
            text-align: center;
            border-top: 1px solid var(--border);
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.6rem 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-card);
            font-size: 0.95rem;
        }
        .table-wrap th {
            background: var(--primary);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .table-wrap td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border);
        }
        .table-wrap tr:nth-child(even) {
            background: #faf8f4;
        }
        .table-wrap tr:hover {
            background: #f5efe4;
        }
        .sidebar {
            position: sticky;
            top: calc(var(--header-height) + 24px);
            align-self: start;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 1.15rem;
            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 ul li {
            padding: 6px 0;
            border-bottom: 1px solid #f0ede6;
        }
        .sidebar-card ul li a {
            color: var(--text-light);
            font-size: 0.92rem;
        }
        .sidebar-card ul li a:hover {
            color: var(--primary-light);
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 1.2rem 0;
        }
        .search-form input {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 1rem;
            background: var(--bg-card);
            transition: border-color 0.25s;
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--accent);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
        }
        .search-form button:hover {
            background: var(--primary-light);
        }
        .feedback-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid var(--border);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .comment-form textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-family: var(--font);
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            transition: border-color 0.25s;
        }
        .comment-form textarea:focus {
            outline: none;
            border-color: var(--accent);
        }
        .comment-form input {
            width: 100%;
            padding: 10px 16px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            margin-top: 10px;
            transition: border-color 0.25s;
        }
        .comment-form input:focus {
            outline: none;
            border-color: var(--accent);
        }
        .comment-form .btn {
            margin-top: 12px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
        }
        .comment-form .btn:hover {
            background: var(--primary-light);
        }
        .rating-box {
            background: var(--bg-card);
            padding: 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .rating-box .stars {
            display: flex;
            gap: 8px;
            font-size: 1.8rem;
            color: var(--border);
            cursor: pointer;
            margin: 10px 0;
        }
        .rating-box .stars i {
            transition: color 0.2s, transform 0.15s;
        }
        .rating-box .stars i:hover,
        .rating-box .stars i.active {
            color: var(--accent);
            transform: scale(1.15);
        }
        .rating-box .stars i.selected {
            color: var(--accent-dark);
        }
        .rating-box .btn {
            background: var(--accent);
            color: var(--primary-dark);
            border: none;
            padding: 8px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            cursor: pointer;
            transition: background 0.25s;
        }
        .rating-box .btn:hover {
            background: var(--accent-light);
        }
        .site-footer {
            background: var(--primary-dark);
            color: #e0ddd5;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .site-footer h4 {
            color: var(--accent);
            margin-bottom: 12px;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #c8c4b8;
        }
        .site-footer a:hover {
            color: var(--accent-light);
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            padding: 4px 0;
        }
        .friend-link {
            display: block;
            padding: 6px 0;
            font-size: 0.92rem;
        }
        .friend-link a {
            color: #c8c4b8;
        }
        .friend-link a:hover {
            color: var(--accent-light);
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-main {
                display: none;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .breadcrumb ol {
                font-size: 0.78rem;
                gap: 4px 8px;
            }
            .breadcrumb ol li+li::before {
                margin-right: 8px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .container {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .rating-box .stars {
                font-size: 1.5rem;
            }
        }
        .text-accent {
            color: var(--accent);
        }
        .text-primary {
            color: var(--primary);
        }
        .fw-700 {
            font-weight: 700;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .gap-2 {
            gap: 0.5rem;
        }
        .align-center {
            align-items: center;
        }
        .last-updated {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 8px;
            display: block;
        }