*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #004d99;
            --primary-dark: #003366;
            --primary-light: #0066cc;
            --accent: #ff6b00;
            --accent-hover: #e65c00;
            --bg: #f4f7fc;
            --card-bg: #ffffff;
            --text: #1a1a2e;
            --text-light: #4a4a6a;
            --border: #dde3ed;
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --radius: 12px;
            --font: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            --header-bg: linear-gradient(135deg, #003366 0%, #004d99 60%, #0066cc 100%);
            --gold: #f5b342;
            --green-bg: #e8f5e9;
            --red-bg: #fbe9e7;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .site-header {
            background: var(--header-bg);
            color: #fff;
            padding: 0 20px;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            max-width: 1240px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.88;
            color: #fff;
        }
        .my-logo span {
            color: var(--accent);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            gap: 8px;
            align-items: center;
            list-style: none;
        }
        .nav-menu li a {
            color: rgba(255, 255, 255, 0.88);
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu li a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }
        .breadcrumb-wrap {
            max-width: 1240px;
            margin: 0 auto;
            padding: 12px 20px 0;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 0.85rem;
            color: var(--text-light);
            list-style: none;
            padding: 8px 16px;
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #aaa;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .main-wrap {
            max-width: 1240px;
            margin: 0 auto;
            padding: 20px 20px 40px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 32px;
        }
        .content-area {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 88px;
            align-self: start;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 8px;
            color: var(--primary-dark);
        }
        h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin: 2rem 0 12px;
            color: var(--primary-dark);
            border-bottom: 3px solid var(--accent);
            padding-bottom: 6px;
            display: inline-block;
        }
        h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 1.6rem 0 10px;
            color: var(--primary);
        }
        h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 1.2rem 0 6px;
            color: var(--text);
        }
        p {
            margin: 0 0 1rem;
            color: var(--text);
        }
        .lead {
            font-size: 1.15rem;
            color: var(--text-light);
            margin-bottom: 1.4rem;
        }
        .meta-date {
            font-size: 0.88rem;
            color: var(--text-light);
            background: #eef2f7;
            display: inline-block;
            padding: 2px 14px;
            border-radius: 20px;
            margin-bottom: 1rem;
        }
        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px 28px;
            margin-bottom: 24px;
            transition: box-shadow 0.2s;
        }
        .card:hover {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .highlight-box {
            background: #eef6ff;
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 1.2rem 0;
        }
        .tip-box {
            background: var(--green-bg);
            border-left: 4px solid #2e7d32;
            padding: 14px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 1rem 0;
        }
        .warning-box {
            background: var(--red-bg);
            border-left: 4px solid #c62828;
            padding: 14px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 1rem 0;
        }
        .search-form {
            display: flex;
            gap: 10px;
            margin: 1.2rem 0;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: var(--primary-light);
        }
        .search-form button {
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-form button:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #ccc;
            cursor: pointer;
            direction: rtl;
            unicode-bidi: bidi-override;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            transition: color 0.15s;
            color: #ccc;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: var(--gold);
        }
        .rating-form button {
            margin-top: 10px;
            padding: 10px 24px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .rating-form button:hover {
            background: var(--accent-hover);
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid var(--border);
            border-radius: var(--radius);
            font-size: 1rem;
            font-family: var(--font);
            resize: vertical;
            min-height: 100px;
            transition: border 0.2s;
        }
        .comment-form textarea:focus {
            border-color: var(--primary-light);
            outline: none;
        }
        .comment-form button {
            margin-top: 10px;
            padding: 10px 28px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-form button:hover {
            background: var(--primary-dark);
        }
        .sidebar .card h3 {
            font-size: 1.1rem;
            margin-top: 0;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            padding: 6px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar ul li:last-child {
            border-bottom: none;
        }
        .sidebar ul li a {
            font-weight: 500;
        }
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 32px 20px 20px;
            margin-top: 20px;
        }
        .footer-inner {
            max-width: 1240px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        .site-footer h4 {
            color: #fff;
            margin-bottom: 12px;
            font-size: 1.05rem;
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.75);
        }
        .site-footer a:hover {
            color: var(--accent);
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
        }
        .site-footer ul li {
            padding: 4px 0;
        }
        .friend-link {
            display: block;
            padding: 12px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 20px;
            font-size: 0.92rem;
        }
        .friend-link a {
            margin: 0 8px 0 4px;
        }
        .copyright {
            text-align: center;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 16px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }
        @media (max-width: 900px) {
            .main-wrap {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 640px) {
            .header-inner {
                height: 56px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--primary-dark);
                flex-direction: column;
                padding: 12px 20px 20px;
                gap: 4px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
                border-radius: 0 0 var(--radius) var(--radius);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 10px 14px;
                font-size: 1rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .card {
                padding: 18px 16px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
                padding: 6px 12px;
            }
            .search-form input {
                min-width: 120px;
                padding: 10px 14px;
            }
            .search-form button {
                padding: 10px 18px;
            }
        }
        @media (max-width: 400px) {
            .main-wrap {
                padding: 12px 12px 30px;
            }
            .card {
                padding: 14px 12px;
            }
            h1 {
                font-size: 1.35rem;
            }
        }
        .flex {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .gap-sm {
            gap: 6px;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .text-center {
            text-align: center;
        }
        .emoji-lg {
            font-size: 1.5rem;
        }
        .badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }
        @media (min-width: 901px) {
            .sidebar .card:first-child {
                margin-top: 0;
            }
        }
        .img-wrap {
            margin: 1.4rem 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .img-wrap figcaption {
            padding: 8px 14px;
            font-size: 0.85rem;
            color: var(--text-light);
            background: #f0f4fa;
        }