* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --accent: #e8b830;
            --accent-hover: #d4a520;
            --bg: #faf8f4;
            --card-bg: #ffffff;
            --text: #1e1e1e;
            --text-light: #555;
            --border: #e0ddd8;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            --radius: 16px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--primary);
            color: #fff;
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, var(--accent), #f5d94e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: var(--transition);
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: rgba(255, 255, 255, 0.7);
            display: block;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.5rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .main-nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: rgba(255, 255, 255, 0.85);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--accent);
            color: #fff;
            text-decoration: none;
        }
        .main-nav a.active {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
            font-size: 0.85rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            list-style: none;
            align-items: center;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #aaa;
            font-size: 1.1rem;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary-light);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        .content-wrapper {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .main-article h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 12px;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        .main-article .meta {
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            border-bottom: 1px solid var(--border);
            padding-bottom: 16px;
        }
        .main-article .meta i {
            margin-right: 6px;
            color: var(--accent);
        }
        .main-article h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin: 42px 0 14px;
            color: var(--primary);
            border-left: 5px solid var(--accent);
            padding-left: 16px;
        }
        .main-article h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin: 32px 0 10px;
            color: var(--primary-light);
        }
        .main-article h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 22px 0 8px;
            color: var(--text);
        }
        .main-article p {
            margin-bottom: 18px;
            color: var(--text);
        }
        .main-article ul,
        .main-article ol {
            margin: 12px 0 22px 24px;
        }
        .main-article li {
            margin-bottom: 8px;
        }
        .main-article .highlight-box {
            background: #f1f7fe;
            border-left: 4px solid var(--primary-light);
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .main-article .highlight-box strong {
            color: var(--primary);
        }
        .main-article .emoji-big {
            font-size: 1.4rem;
            margin-right: 6px;
        }
        .featured-image {
            margin: 28px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image figcaption {
            background: #fff;
            padding: 10px 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            border-bottom: 1px solid var(--border);
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--primary);
            border-bottom: 2px solid var(--accent);
            padding-bottom: 8px;
        }
        .sidebar-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-link-list li {
            padding: 6px 0;
            border-bottom: 1px solid #f0ede8;
        }
        .sidebar-link-list li:last-child {
            border-bottom: none;
        }
        .sidebar-link-list a {
            font-size: 0.9rem;
            display: block;
            padding: 4px 0;
        }
        .sidebar-link-list a:hover {
            padding-left: 6px;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin-top: 6px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 0.9rem;
            outline: none;
            transition: var(--transition);
            background: #f9f9f9;
        }
        .search-form input:focus {
            border-color: var(--primary-light);
            background: #fff;
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 0 18px;
            border-radius: 30px;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--primary-light);
        }
        .comment-section {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 2px solid var(--border);
        }
        .comment-section h2 {
            margin-top: 0 !important;
        }
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 600px;
            margin: 16px 0 30px;
        }
        .comment-form input,
        .comment-form textarea,
        .rating-form select {
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: var(--transition);
            background: #fff;
        }
        .comment-form input:focus,
        .comment-form textarea:focus,
        .rating-form select:focus {
            border-color: var(--primary-light);
        }
        .comment-form textarea {
            min-height: 110px;
            resize: vertical;
        }
        .comment-form button,
        .rating-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #ddd;
            cursor: pointer;
        }
        .rating-stars .star {
            transition: var(--transition);
        }
        .rating-stars .star.active,
        .rating-stars .star:hover {
            color: var(--accent);
        }
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 24px;
        }
        .footer-inner h4 {
            color: var(--accent);
            margin-bottom: 12px;
            font-size: 1rem;
            font-weight: 700;
        }
        .footer-inner a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 4px;
        }
        .footer-inner a:hover {
            color: var(--accent);
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.06);
            padding: 16px 20px;
            border-radius: 12px;
            margin-top: 12px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        friend-link a {
            display: inline-block;
            margin: 0 12px 8px 0;
            padding: 2px 0;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            font-size: 0.85rem;
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
        }
        .copyright strong {
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .sidebar .sidebar-card:last-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 12px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 8px;
                width: 100%;
            }
            .main-article h1 {
                font-size: 1.8rem;
            }
            .main-article h2 {
                font-size: 1.4rem;
            }
            .header-inner {
                gap: 8px;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .breadcrumb-wrap {
                font-size: 0.78rem;
            }
            .comment-form button,
            .rating-form button {
                width: 100%;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .main-article h1 {
                font-size: 1.5rem;
            }
            .main-article .meta {
                font-size: 0.8rem;
                gap: 8px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                padding: 10px;
            }
        }