* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --bg: #f8fafc;
            --card-bg: #ffffff;
            --text: #1e293b;
            --text-light: #475569;
            --border: #e2e8f0;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --radius: 16px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 70px;
        }
        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);
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--card-bg);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            height: var(--header-height);
            display: flex;
            align-items: center;
            border-bottom: 2px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: var(--accent);
            font-size: 1.4rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            color: var(--primary-light);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: var(--border);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }
        .nav-menu li a {
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text);
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu li a:hover {
            background: var(--primary);
            color: #fff;
        }
        .nav-menu li a i {
            margin-right: 6px;
            font-size: 0.8rem;
        }
        .breadcrumb {
            background: var(--card-bg);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.85rem;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .breadcrumb ul li+li::before {
            content: "›";
            margin-right: 12px;
            color: var(--text-light);
        }
        .breadcrumb ul li a {
            color: var(--text-light);
        }
        .breadcrumb ul li a:hover {
            color: var(--primary);
        }
        .breadcrumb ul li:last-child {
            color: var(--primary);
            font-weight: 600;
        }
        .hero {
            padding: 48px 0 32px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            border-radius: 0 0 var(--radius) var(--radius);
            margin: 0 0 40px;
        }
        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero h1 i {
            color: var(--accent);
            margin-right: 12px;
        }
        .hero p {
            font-size: 1.1rem;
            opacity: 0.92;
            max-width: 540px;
            line-height: 1.6;
        }
        .hero-image {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            background: #fff3e0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--accent);
            overflow: hidden;
        }
        .hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        main {
            padding-bottom: 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .article-body {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 36px 40px;
            box-shadow: var(--shadow);
        }
        .article-body h2 {
            font-size: 1.8rem;
            margin: 48px 0 16px;
            color: var(--primary);
            border-bottom: 3px solid var(--accent);
            padding-bottom: 8px;
            display: inline-block;
        }
        .article-body h2:first-of-type {
            margin-top: 0;
        }
        .article-body h3 {
            font-size: 1.35rem;
            margin: 32px 0 12px;
            color: var(--primary-light);
        }
        .article-body h4 {
            font-size: 1.1rem;
            margin: 24px 0 8px;
            color: var(--text);
            font-weight: 700;
        }
        .article-body p {
            margin-bottom: 18px;
            font-size: 1rem;
            color: var(--text);
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 20px 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body .highlight-box {
            background: #fef9e7;
            border-left: 4px solid var(--accent);
            padding: 18px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .article-body .highlight-box strong {
            color: var(--primary);
        }
        .article-body .stat-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 6px;
        }
        .article-body .emoji-lg {
            font-size: 1.4rem;
            margin-right: 6px;
        }
        .article-body .inline-img {
            margin: 24px 0;
            border-radius: var(--radius);
            overflow: hidden;
        }
        .article-body .inline-img img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .article-body .inline-img figcaption {
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-light);
            padding: 8px 0 0;
            font-style: italic;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.15rem;
            color: var(--primary);
            margin-bottom: 16px;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.92rem;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card ul li a i {
            color: var(--accent);
            font-size: 0.85rem;
            width: 18px;
            text-align: center;
        }
        .sidebar-card ul li a:hover {
            color: var(--accent-hover);
        }
        .search-form {
            display: flex;
            border-radius: 10px;
            overflow: hidden;
            border: 2px solid var(--border);
            transition: border-color 0.2s;
        }
        .search-form:focus-within {
            border-color: var(--accent);
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 12px 16px;
            font-size: 0.95rem;
            outline: none;
            background: var(--card-bg);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 20px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: var(--primary-light);
        }
        .comment-box,
        .rating-box {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 32px;
            box-shadow: var(--shadow);
            margin-top: 40px;
        }
        .comment-box h3,
        .rating-box h3 {
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-box textarea,
        .rating-box textarea {
            width: 100%;
            border: 2px solid var(--border);
            border-radius: 10px;
            padding: 14px 16px;
            font-size: 0.95rem;
            font-family: var(--font);
            resize: vertical;
            min-height: 100px;
            transition: border-color 0.2s;
        }
        .comment-box textarea:focus,
        .rating-box textarea:focus {
            border-color: var(--accent);
            outline: none;
        }
        .comment-box input,
        .rating-box input {
            width: 100%;
            border: 2px solid var(--border);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 0.95rem;
            margin: 8px 0 14px;
            transition: border-color 0.2s;
        }
        .comment-box input:focus,
        .rating-box input:focus {
            border-color: var(--accent);
            outline: none;
        }
        .comment-box .btn,
        .rating-box .btn {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .comment-box .btn:hover,
        .rating-box .btn:hover {
            background: var(--primary-light);
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 2rem;
            color: #d1d5db;
            cursor: pointer;
            margin: 8px 0 16px;
            flex-wrap: wrap;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.1s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: var(--accent);
            transform: scale(1.1);
        }
        .rating-stars i.fa-solid {
            color: var(--accent);
        }
        .rating-stars i.fa-regular {
            color: #d1d5db;
        }
        friend-link {
            display: block;
            background: var(--card-bg);
            border-top: 3px solid var(--accent);
            padding: 32px 20px;
            margin-top: 20px;
        }
        friend-link .container {
            max-width: var(--max-width);
            margin: 0 auto;
        }
        friend-link h3 {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
        }
        friend-link ul li a {
            color: var(--text-light);
            font-size: 0.92rem;
            transition: color 0.2s;
        }
        friend-link ul li a:hover {
            color: var(--accent);
        }
        footer {
            background: var(--primary);
            color: #fff;
            padding: 28px 20px;
            text-align: center;
        }
        footer p {
            font-size: 0.9rem;
            opacity: 0.85;
            margin: 4px 0;
        }
        footer a {
            color: var(--accent);
        }
        footer a:hover {
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 62px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--card-bg);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                border-bottom: 2px solid var(--border);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 12px 16px;
                width: 100%;
                border-radius: 8px;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-image {
                aspect-ratio: 16/9;
            }
            .content-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-body {
                padding: 24px 18px;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                order: -1;
            }
            .sidebar-card {
                padding: 18px;
            }
            .comment-box,
            .rating-box {
                padding: 20px 18px;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
            friend-link ul {
                flex-direction: column;
                gap: 8px;
            }
            .breadcrumb ul {
                font-size: 0.78rem;
                gap: 4px 8px;
            }
            .breadcrumb ul li+li::before {
                margin-right: 8px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .article-body {
                padding: 18px 14px;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 12px;
            }
            .rating-stars {
                font-size: 1.4rem;
                gap: 4px;
            }
        }
        .mt-0 {
            margin-top: 0 !important;
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .text-accent {
            color: var(--accent);
        }
        .fw-700 {
            font-weight: 700;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-light);
            background: var(--bg);
            padding: 8px 16px;
            border-radius: 8px;
            margin-bottom: 24px;
        }
        .last-updated i {
            color: var(--accent);
        }