*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #8B0000;
            --primary-light: #B22222;
            --secondary: #DAA520;
            --accent: #1E3A5F;
            --bg: #FDF8F0;
            --bg-card: #FFFFFF;
            --text: #2C2C2C;
            --text-light: #5A5A5A;
            --border: #E8DCCF;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            --radius: 12px;
            --font: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--accent);
            color: #fff;
            padding: 12px 0;
            border-radius: 0 0 var(--radius) var(--radius);
            margin-bottom: 20px;
            position: relative;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 2px;
            color: var(--secondary);
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
            transition: transform 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #FFD966;
        }
        .my-logo span {
            font-size: 1.8rem;
        }
        .my-logo i {
            font-size: 2rem;
            color: #FFD700;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid var(--secondary);
            color: var(--secondary);
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: var(--secondary);
            color: var(--accent);
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 18px;
            align-items: center;
        }
        .main-nav a {
            color: #f0e6d3;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--secondary);
            border-bottom-color: var(--secondary);
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 4px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: var(--bg-card);
            padding: 10px 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-bottom: 24px;
            font-size: 0.9rem;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary-light);
        }
        .breadcrumb .sep {
            color: var(--border);
            font-weight: 300;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        .page-wrap {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            margin: 28px 0;
        }
        @media(max-width:1024px) {
            .page-wrap {
                grid-template-columns: 1fr;
            }
        }
        .main-content {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px 28px;
            overflow: hidden;
        }
        .main-content h1 {
            font-size: 2.4rem;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.2;
            border-left: 6px solid var(--secondary);
            padding-left: 18px;
        }
        .main-content h2 {
            font-size: 1.8rem;
            color: var(--accent);
            margin: 40px 0 16px 0;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--border);
        }
        .main-content h3 {
            font-size: 1.35rem;
            color: var(--primary-light);
            margin: 28px 0 12px 0;
        }
        .main-content h4 {
            font-size: 1.1rem;
            color: var(--text);
            margin: 20px 0 8px 0;
            font-weight: 600;
        }
        .main-content p {
            margin-bottom: 18px;
            font-size: 1.02rem;
        }
        .main-content .meta-line {
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
        }
        .main-content .meta-line i {
            margin-right: 6px;
        }
        .main-content ul,
        .main-content ol {
            margin: 12px 0 20px 28px;
        }
        .main-content li {
            margin-bottom: 6px;
        }
        .main-content .highlight-box {
            background: #FEF9E7;
            border-left: 5px solid var(--secondary);
            padding: 18px 22px;
            border-radius: 8px;
            margin: 24px 0;
        }
        .main-content .highlight-box strong {
            color: var(--primary);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 22px 18px;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            color: var(--accent);
            margin-bottom: 14px;
            border-bottom: 2px solid var(--border);
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card li {
            margin-bottom: 8px;
            padding: 4px 0;
        }
        .sidebar-card li a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
        }
        .sidebar-card li a i {
            color: var(--secondary);
            width: 18px;
            text-align: center;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 18px 0 10px;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
            background: #fcf9f5;
        }
        .search-form input[type="text"]:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(218, 165, 32, 0.15);
        }
        .search-form button {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .search-form button:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }
        .feedback-section {
            margin-top: 40px;
            padding-top: 28px;
            border-top: 3px solid var(--border);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        @media(max-width:700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #f9f5ee;
            padding: 20px 22px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }
        .feedback-card h3 {
            font-size: 1.2rem;
            color: var(--accent);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card label {
            display: block;
            font-weight: 500;
            margin: 10px 0 4px;
            font-size: 0.92rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-family: var(--font);
            font-size: 0.95rem;
            background: #fff;
            transition: 0.2s;
            outline: none;
        }
        .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 .btn-submit {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            margin-top: 12px;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .feedback-card .btn-submit:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 4px;
            justify-content: flex-end;
            margin: 6px 0 10px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--secondary);
        }
        .feature-image {
            margin: 28px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .feature-image figcaption {
            background: var(--accent);
            color: #f0e6d3;
            padding: 8px 16px;
            font-size: 0.85rem;
            text-align: center;
            font-style: italic;
        }
        .site-footer {
            background: var(--accent);
            color: #e0d6c8;
            border-radius: var(--radius) var(--radius) 0 0;
            padding: 32px 20px 24px;
            margin-top: 40px;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        @media(max-width:768px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        .footer-inner h4 {
            color: var(--secondary);
            margin-bottom: 12px;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #d4cbbe;
        }
        .footer-inner a:hover {
            color: var(--secondary);
        }
        .footer-inner ul {
            list-style: none;
        }
        .footer-inner li {
            margin-bottom: 6px;
        }
        .footer-inner .copyright {
            grid-column: 1/-1;
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 16px;
            font-size: 0.9rem;
        }
        friend-link {
            display: block;
            padding: 8px 0;
        }
        friend-link a {
            color: var(--secondary);
            font-weight: 500;
        }
        friend-link a:hover {
            color: #FFD966;
        }
        @media(max-width:768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0 4px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 8px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            }
            .main-content {
                padding: 20px 16px;
            }
            .main-content h1 {
                font-size: 1.8rem;
                padding-left: 12px;
            }
            .main-content h2 {
                font-size: 1.4rem;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            .my-logo span {
                font-size: 1.3rem;
            }
        }
        @media(max-width:480px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 0 10px;
            }
            .main-content h1 {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 8px 12px;
            }
            .feedback-card {
                padding: 14px;
            }
        }
        .text-muted {
            color: var(--text-light);
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .gap-1 {
            gap: 8px;
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--border);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary-light);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }